Delhi has a semi-arid steppe climate, classified as BSh in the Köppen system. The warmest month is May with an average high of 40°C, while the coldest month is January with lows dropping to 7°C. The annual temperature range of 33°C is typical of continental climates with distinct seasons.
The driest month is December with only 1 rain days and 7mm of precipitation. For travellers, December through to the following month typically offers the best balance of warm temperatures and dry conditions. Average humidity ranges from 70% to 70% throughout the year.
Best Time to Visit Delhi
Based on temperature and rainfall data, the best months to visit Delhi are January, February, November. These months offer the most comfortable temperatures with relatively low rainfall, ideal for sightseeing and outdoor activities.
In May, Delhi experiences average highs of 40°C (104°F) and lows of 25°C (77°F). Expect around 5 rainy days and 12 hours of sunshine per day, with humidity averaging 70%. The 15°C gap between daytime and overnight temperatures is worth planning around: light layers work for most visitors during the day, but an overshirt or cardigan handles the cooler evenings. UV index averages 9, so sun protection is advisable on clear days.
Delhi typically sees 5 rainy days in May, with total precipitation of around 17mm. This makes May one of the drier months of the year, and a reliable window for outdoor sightseeing and day trips. Rain showers tend to be brief when they do occur. For context, the driest month in Delhi typically sees 4-6 fewer rain days than May.
Pack lightweight, breathable clothing (linen or cotton), a wide-brim sun hat, SPF 50+ sunscreen, and a refillable water bottle for Delhi in May. The 40°C daytime heat demands sun protection during midday hours, typically 11am to 4pm. Rain is unlikely with only 5 wet days, so leave the umbrella at home and use the bag space for sunscreen. Quick-dry synthetic fabrics are preferable to cotton in 70% humidity.
Yes, May is an excellent time to visit Delhi. With 12 daily sunshine hours and only 5 rainy days, conditions are ideal for sightseeing and outdoor activities. Temperatures averaging 40°C during the day are comfortable for long walks and outdoor dining. This is peak travel season, so booking accommodation in advance and arriving at popular attractions early in the morning helps avoid the busiest periods.
The average high temperature in Delhi in May is 40°C (104°F), and the average low is 25°C (77°F). The mean daily temperature is approximately 33°C (91°F). The day-to-night range of 15°C is significant and requires layering. These are 30-year climate normals based on the 1991 to 2020 reference period; individual years will vary, particularly in transitional months like spring and autumn.
The best month to visit Delhi is generally April. April offers the most sunshine at 12 hours per day and only 3 rainy days. Average temperatures reach 36°C, making it comfortable for sightseeing, outdoor dining, and exploring the city. If your travel dates are flexible, planning your trip around April gives you the best chance of dry, bright weather.
May is shoulder or low season in Delhi, meaning fewer tourists and generally lower prices than peak months. With 12 sunshine hours and 5 rainy days, the weather is less of a draw for mass tourism. This is an advantage for travellers who prefer a quieter, more relaxed experience with shorter queues and easier accommodation availability.
In May, Delhi suits a range of activities thanks to warm temperatures of 40°C. With few rainy days, outdoor activities are highly recommended. Top options include exploring historic neighbourhoods, visiting museums and galleries, local food markets, and day trips to surrounding areas. With 12 hours of sunshine, parks and waterfront walks are particularly enjoyable.