Best Time to Visit Delhi

January is the coldest month and the heart of the tourist peak, with comfortable 19°C afternoons but raw 8°C nights and dense morning fog. The cold and fog keep casual visitors away early in the month, then crowds build toward Republic Day on 26 January. The air is at its worst, with AQI regularly over 300, so pack an N95 mask. Walk the monuments mid-morning once the fog lifts.

The vibe This is postcard Delhi weather, sweaters and chai and golden afternoon light, but do not romanticise it. The same still, cold air that feels crisp at noon traps hazardous smog, and the fog that blankets the city until 10 am can ground your onward flight. Beautiful and complicated in equal measure.

Don't miss The New Delhi World Book Fair at Bharat Mandapam (10-18 January) is the world's largest B2C book fair, with 1,000-plus publishers from 35 nations. On 13 January, wander any Punjabi colony after dark for Lohri bonfires and til-gur sweets, then watch the all-India kite display at Baansera Park (16-18 January).

Crowd drivers European and domestic peak-winter tourism, the New Delhi World Book Fair (10-18 January), and Republic Day spiking the final week.

In season Winter is gajar ka halwa season, the slow-cooked carrot pudding sold hot from Old Delhi sweet shops. Pair it with a glass of hot badam milk against the cold.

Heads up The Red Fort is closed 20-31 January for Republic Day security; visit Qutub Minar or Humayun's Tomb instead. ASI monuments and the National Museum are shut on Mondays.

Peak-winter rates; Republic Day weekend pushes hotels 25-35% above standard peak. The 2-9 January window is the cheapest, kept quiet by fog and cold.

February is Delhi at its most pleasant: dry, clear, and warming from 23°C highs toward the end of the month, with humidity dropping and the worst of the fog gone. The post-Republic Day tourist wave keeps the city busy but not overwhelming. This is the best air-quality window of the cool season before heat and dust build. Mornings around 11°C still call for a light layer.

The vibe If you want Delhi without the extremes, this is your month. No lethal heat, no smog crisis, no monsoon, just clear blue skies and a city in a good mood. The downside is that everyone knows it, so the Taj Mahal day trip to Agra and the major monuments stay busy. Worth it.

Don't miss The India Art Fair (5-8 February), South Asia's largest contemporary art event with 123 exhibitors at the NSIC grounds, anchors the month. A 20-minute drive away, the Surajkund Crafts Mela (31 January-15 February) gathers 50,000-plus craftspeople from every Indian state with evening folk dances under open sky.

Crowd drivers The continuing post-Republic Day tourist wave, the India Art Fair (5-8 February) filling boutique hotels, and the Surajkund crafts mela drawing day crowds.

In season The last of the winter citrus and gajar ka halwa lingers, while Old Delhi's nihari and kebab stalls are at their best before the heat thins appetites.

Heads up ASI monuments and the National Museum close on Mondays. No major closures otherwise.

Mid-range hotels ₹4,000-8,000 a night. Luxury rates spike 3-5x during major summit windows; the India Art Fair fills boutique South Delhi hotels.

March is the bridge month, starting comfortable around 29°C and warming fast toward the end. Holi (3-4 March) is the headline, a city-wide explosion of colour, after which the crowds retreat quickly. The first two weeks are some of the year's best value-to-weather days. By late March the dust storms (andhi) begin and the first real heat arrives, so plan morning sightseeing.

The vibe Holi is the most visceral festival experience Delhi offers, and also the messiest. If you join in, your clothes will never be the same and that is the point. If colour and crowds are not your thing, the days after Holi are gloriously calm: warm, quiet monuments and easy restaurant tables before the heat sets in.

Don't miss Holi (Holika Dahan bonfires on 3 March, Rangwali colour-throwing on 4 March) takes over the entire city. Mathura and Vrindavan, 150 km and 2.5 hours away, are the epicentre for the most intense Braj Holi. Post-Holi, the gardens of Lodhi and Mehrauli are still green and walkable before the heat.

Crowd drivers Holi (3-4 March) draws domestic and international visitors, then the crowd thins fast as the weather starts to warm.

In season Post-Holi is peak street-food season before the heat kills the appetite: gujiya (sweet fried dumplings) are everywhere around the festival, and Chandni Chowk's chaat stalls are at their liveliest.

Heads up Most shops shut and many restaurants stay closed until late afternoon on Holi (4 March). ASI monuments close on Mondays.

Rates drop 15-20% after Holi; the shoulder-value window opens from 10 March as foreign tourist numbers begin to thin.

April is when the heat takes over, with highs climbing to 36°C and humidity dropping to a parched 36%. Foreign tourist numbers fall away and prices ease 20-25% below peak. Dust storms can cut visibility to near zero for half an hour at a time. The walking window narrows to early morning and after 4:30 pm, when the light turns golden and the monuments empty out.

The vibe This is the start of the long, hard Delhi summer, and it separates the heat-tolerant from everyone else. The trade-off is real space: Qutub Minar and Humayun's Tomb without the October crush, at noticeably lower prices. Just respect the heat, carry two litres of water, and treat the midday hours as indoor time.

Don't miss The Qutub Festival (6-10 April) stages classical Indian music and dance inside the Qutub complex by moonlight, with Sufi qawwali and Bharatanatyam against a UNESCO monument at night. Early-morning walks through Lodhi Garden before the heat are the way to see the city this month.

Crowd drivers Heat builds and foreign tourist numbers fall sharply; the Qutub Festival is a local-focused draw rather than a crowd magnet.

In season Cooling drinks come into their own: shikanji (Indian lemonade), sugarcane juice from roadside presses, and the first aam panna (raw-mango cooler) as mango season approaches.

Heads up Ramadan daytime (around 20 March to 18 April) means reduced hours in the lanes around Jama Masjid and Matia Mahal; the evening iftar there is spectacular. ASI monuments close on Mondays.

20-25% below peak prices, good value for heat-tolerant visitors as foreign arrivals fall sharply.

May is the cheapest and quietest month, and a genuine heat emergency. Afternoons hit 40-47°C with a hot dry wind (the loo), and the UV index tops 11. Walking any unshaded monument between 11 am and 4 pm is punishing, and most guides refuse to operate midday. If you come, you do it for the rock-bottom prices and the near-empty sights, sightseeing only at dawn and dusk.

The vibe Let nobody sell you May as a clever off-season hack. The heat is dangerous, not just uncomfortable, and the city is emptied of foreign visitors for a reason. The only honest pitch is budget: the year's lowest prices and monuments you can have almost to yourself, if your body can handle 45°C and you plan every hour around the sun.

Don't miss This is when the monuments are emptiest. A 7 am visit to Humayun's Tomb or the Qutub complex, finished before the heat peaks, is the whole strategy. Afternoons belong indoors at the air-conditioned National Museum or the National Gallery of Modern Art.

Crowd drivers Nothing drives crowds. Heatwave conditions of 40-47°C keep nearly all foreign tourists away, which is exactly why it is the quietest month.

In season Mango season arrives: Dasheri, Langra and Chausa varieties pile up at Dilli Haat and the markets, eaten cold, and aam panna becomes a survival drink against the heat.

Heads up No festival closures, but the midday heat effectively closes outdoor sightseeing 11 am to 4 pm. ASI monuments close on Mondays.

The cheapest month of the year: hotel rates 30-50% below October-February, with budget beds from ₹500-800 in Paharganj.

June stays brutally hot at 38°C-plus until the monsoon breaks, usually between 29 June and 5 July, when the air turns heavy and humid. It is one of the two cheapest months, with almost no foreign arrivals. Pre-monsoon dust storms are common. The one local draw is the Mango Festival in late June. Like May, this is dawn-and-dusk sightseeing only, with midday spent indoors.

The vibe June is a waiting game. The heat is relentless and the humidity climbs as the month goes on, the whole city visibly willing the monsoon to arrive. The payoff, if your timing is lucky, is the first monsoon downpour breaking the heat, a moment of collective relief you can feel on the streets. Cheap, quiet, and only for the heat-hardened.

Don't miss The International Mango Festival often opens in late June at Dilli Haat Janakpuri, with 500-plus mango varieties, chef demos and cook-off contests, free to enter. Catching the first monsoon rain turn the dust-grey city green is the unplanned highlight.

Crowd drivers Pre-monsoon heat of 38-45°C means few foreign arrivals. The monsoon arrives mid-to-late June, and the Mango Festival is the one local draw.

In season Peak mango month: the festival showcases hundreds of varieties, and aam ras (mango pulp) with puri appears on Old Delhi menus.

Heads up Midday heat shuts down outdoor sightseeing until the monsoon breaks. ASI monuments close on Mondays.

Tied for the cheapest month for accommodation; rates stay at their annual low until the monsoon arrives mid-to-late month.

July is full monsoon: the wettest month at 231mm over 22 rainy days, with highs easing to a muggy 34°C. The rain comes as intense, episodic bursts, a storm dumping 80mm in two hours then stopping, not all-day drizzle. Streets flood fast, and Chandni Chowk's low lanes go ankle-deep. Prices sit 30-40% below peak and the monuments are quiet, which is the trade for wet feet and humidity.

The vibe Monsoon Delhi is a deliberate choice that most visitors never consider, and the few who do are rewarded. Humayun's Tomb and Lodhi Garden glow a saturated green, peacocks display in the rain, and you share the gardens with almost no one. The catch is the chaos: waterlogging, traffic jams, and storms that can strand you. Pack a poncho, not an umbrella.

Don't miss The International Mango Festival at Dilli Haat Janakpuri (around 5-10 July) is free, quirky and very local. Heritage walks at Humayun's Tomb and Lodhi Garden in light rain are genuinely recommended, with the gardens at their lushest and the red sandstone at its moodiest.

Crowd drivers The monsoon is in full swing, so foreign tourists stay away; some domestic visitors come for the International Mango Festival (around 5-10 July).

In season Monsoon street food peaks: hot pakoras and samosas fried fresh against the rain, washed down with masala chai at Old Delhi tea stalls.

Heads up Humayun's Tomb garden has last entry at 5 pm; expect wet grass and mosquitoes, so carry repellent. ASI monuments close on Mondays.

30-40% below peak pricing; monsoon keeps monuments quiet despite the rain.

August is the heaviest rainfall month after July and the greenest time in Delhi, with highs around 33°C and humidity near 78%. Independence Day on 15 August closes the Red Fort entirely for security as the PM hoists the flag. The city is lush, with Lodhi Garden, Mehrauli Archaeological Park and the Central Ridge at their most verdant. Domestic visitors come for the holiday; foreign tourists stay rare.

The vibe August is Delhi at its greenest and most overlooked. The rain is still heavy and the humidity sticky, but the parks and ridge forests are jungle-lush, peacocks are everywhere, and the monuments are nearly yours alone. It is a slower, more local Delhi. Just build flexibility into your days for the downpours and the waterlogging they bring.

Don't miss The Red Fort flag-hoisting on 15 August is watched on public screens at Connaught Place since the fort itself is closed. With the city at its greenest, the Mehrauli Archaeological Park and the Central Ridge sanctuaries are the rewarding August walks, ideally between showers.

Crowd drivers Independence Day (15 August) draws domestic visitors for the holiday; the rest of the month stays quiet under heavy monsoon rain.

In season Independence Day brings tricolour-themed sweets to halwai shops, and the rains keep the hot pakora-and-chai street culture going strong.

Heads up The Red Fort is fully closed 14-15 August for Independence Day; central Delhi transport is disrupted. ASI monuments close on Mondays.

Mid-range hotels ₹2,500-5,000 a night; the Independence Day weekend brings a slight bump.

September is the monsoon winding down, still warm at 33°C and humid, with rain easing through the month. The heat is more bearable than summer but the air is sticky until the dry weather returns. From late September the weather and value start to align, and Navratri preparations begin in the Bengali enclaves. The gardens are still green from the rains, making it a quietly rewarding shoulder month before the October rush.

The vibe September is the calm before the October storm. The crowds have not arrived, prices are still soft, and the post-monsoon green lingers on the lawns of Lodhi Garden. The humidity is the price you pay. If you want October's atmosphere without October's prices and queues, the last week of September is the smart play, just before everything fills up.

Don't miss Late September is when the gardens are still rain-green but the rain itself is fading, ideal for unhurried walks at Lodhi Garden and Humayun's Tomb. The first Durga Puja pandals start going up in CR Park toward month-end, a quiet preview of October's full festivities.

Crowd drivers The monsoon is winding down and humidity stays high; Navratri preparations begin in Bengali enclaves toward month-end, hinting at the October surge.

In season The end of mango season overlaps with the first autumn sweets, and CR Park's Bengali sweet shops gear up for Durga Puja with mishti and rosogolla.

Heads up No major closures. ASI monuments close on Mondays.

Shoulder pricing continues; the best value-to-weather ratio of the year starts emerging from late September.

October is the single best and busiest month. Ideal weather (22-32°C) arrives with cool 18-22°C mornings that feel like perfect spring elsewhere, and the air is at its cleanest in the first two weeks before stubble burning starts. Navratri, Dussehra and the half marathon all overlap, so the city buzzes every evening. It is also the most expensive month, with hotels peaking, so book well ahead.

The vibe This is Delhi at its absolute best, and it knows it. Perfect weather, every monument open and golden in the morning light, and a cultural calendar so packed the city hums after dark. Yes, it is the priciest and most crowded month, and yes you queue. But October is what people mean when they say Delhi is unmissable. Just book everything early.

Don't miss Navratri (11-20 October) fills CR Park with Durga Puja pandals that rival Kolkata's. Dussehra (20 October) burns a 65-foot Ravana effigy at Ramlila Maidan around 7:30 pm with the PM in attendance. The Vedanta Delhi Half Marathon (18 October) sends 30,000 runners past Lodhi Garden and India Gate.

Crowd drivers Navratri (11-20 October), Dussehra (20 October) and the Vedanta Delhi Half Marathon (18 October) overlap perfectly as the ideal weather begins, the year's biggest crowd surge.

In season Durga Puja brings Bengali bhog and CR Park's sweet shops to their festive peak, while the cooling weather revives the full sweep of Chandni Chowk street food.

Heads up On 2 October (Gandhi Jayanti) no alcohol is sold city-wide. Central Delhi roads close around Ramlila Maidan for Dussehra (20 October) and along the half-marathon route (18 October, 5-11 am). ASI monuments close on Mondays.

The busiest and most expensive month: mid-range hotels ₹7,000-15,000 a night. Book 8-10 weeks ahead.

November is a tale of two halves. The first ten days have ideal weather (27°C highs, crisp evenings) and Diwali (8 November) as the highlight, the most atmospheric night of the Delhi year. Then from mid-month the smog intensifies as crop-burning smoke settles, and AQI climbs into the hazardous range. The post-Diwali window (15-30 November) is quieter and pleasant, but the air is the catch you have to weigh.

The vibe Early November is romantic Delhi at its peak: warm evenings, Diwali lamps everywhere, the whole city glowing. Then comes the trap. The morning after Diwali the AQI spikes above 350, and by mid-month the smog season sets in for real. Time it for the first half if you can, and have an exit plan if your lungs are sensitive.

Don't miss Diwali (Dhanteras opens the season on 6 November, main puja 8 November) turns the city into a sea of lamps, with regulated fireworks 8-10 pm. Chandni Chowk and Sarojini Nagar are packed for two weeks of shopping beforehand. On 27 November, Guru Nanak Jayanti brings huge night processions and 24-hour langar at Gurdwara Bangla Sahib.

Crowd drivers Diwali (8 November) is the highlight, drawing domestic and international visitors; the first ten days have ideal weather before smog intensifies from mid-month.

In season Diwali is mithai season: halwai shops pile high with barfi, laddoo and kaju katli, and Chandni Chowk's Natraj, Old Famous Jalebi and Karim's are at their festive best.

Heads up AQI often exceeds 400 the morning after Diwali (8 November). ASI monuments close on Mondays.

Diwali week runs 20-30% above normal; the post-Diwali window (15-30 November) is the sweet spot, quieter and slightly cheaper.

December brings Christmas and New Year tourism, cold 7-14°C nights, and the year's worst logistical headache: dense fog from mid-month that grounds flights and delays trains by hours. Highs sit around 21°C, pleasant by day, but the smog window is in full force and the air is hazardous. Families travel over the school holidays. Build buffer days into any onward journey for the fog.

The vibe December days can be lovely, soft sun and sweater weather, but the month is defined by what you cannot see: the fog that swallows the airport and the smog that hangs over everything. Christmas in Khan Market and Hauz Khas is fun, and New Year's Eve is lively, but the air and the flight delays are a genuine drag. Travel with flexible tickets.

Don't miss Christmas Eve and New Year revolve around Khan Market, Hauz Khas and the five-star hotels, which hold events without widespread city closures. Sacred Heart Cathedral near Connaught Place holds midnight mass. The cold, clear early afternoons (once the fog lifts) are the best window for the monuments.

Crowd drivers Christmas and New Year tourism, plus families travelling over the school holidays. Dense fog from mid-December disrupts flights and trains.

In season Winter brings back gajar ka halwa and hot badam milk, and the Old Delhi nihari stalls simmering since dawn are the perfect antidote to the cold mornings.

Heads up Dense fog (the DGCA window runs 10 December to 10 February) cancels flights and delays trains by 2-6 hours. ASI monuments close on Mondays.

The most expensive month overall (average room around £124 a night by UK booking data); book flights with maximum flexibility for fog disruptions.