Climate Overview
The climate in Dehra Dūn is warm and mild. The average annual temperature is 21°C and approximately 1371mm of precipitation falls per year. July is the wettest month, receiving around 445mm of rainfall. Dehra Dūn is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: June, May, April. The coldest months are January, December, February, when temperatures can drop to 6°C.
Temperature
Temperatures in Dehra Dūn vary considerably across the year, with a 27°C difference between the coldest and warmest months. The warmest month is June, when average highs reach 33°C and the mean temperature sits around 28°C. January is the coolest month, with minimum temperatures around 6°C and an average of 11°C. On average, daily temperatures fluctuate by about 11°C between overnight lows and afternoon highs. The sharpest temperature change occurs between October and November, with a 5°C shift in average temperatures.
Precipitation
Dehra Dūn is a fairly wet location, receiving approximately 1371mm of precipitation annually, which averages out to around 114mm per month. The wettest month is July, averaging 445mm of rainfall. August and September also tend to see above-average precipitation. The driest month is November, with just 6mm. That's 439mm less than July, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.
Wind
Dehra Dūn is relatively calm, with an average annual wind speed of 5km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is April, averaging 7km/h, though still comfortable for most outdoor activities. The calmest conditions occur in August, with average winds dropping to 4km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 3km/h gap between the calmest and windiest months.
Seasons
3 days until Autumn
It is currently summer in Dehra Dūn, which began on June 21, 2026. Dehra Dūn is in the Northern Hemisphere, where spring begins in March, summer in June, autumn in September, and winter in December. The warmest period peaks in June at around 33°C, while the coldest stretch bottoms out in January near 6°C. Autumn is next, beginning on September 23, 2026 (3 days from now).
Spring
Temperatures range from 13 to 33°C. Rainfall is relatively light, with around 115mm over the season and a monthly average of 38mm. Winds are generally light, averaging 7km/h. Light layers work well as temperatures warm through the season. It is a great time to be outdoors.
Summer
Temperatures range from 24 to 33°C. Rainfall is heavy, totalling around 927mm across the season with a monthly average of 309mm. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.
Autumn
Temperatures range from 11 to 29°C. Precipitation is moderate at around 217mm for the season, averaging 72mm per month. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.
Winter
Temperatures range from 6 to 21°C. Rainfall is relatively light, with around 111mm over the season and a monthly average of 37mm. Winds are generally light, averaging 5km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.
Best Time to Visit
The best time to visit Dehra Dūn is during March, April, October and November, when the weather is most comfortable for travellers. During these months, average temperatures hover around 21°C with modest rainfall averaging 23mm per month. By contrast, June can be uncomfortably hot with highs reaching 33°C, while January is the coldest period with lows dropping to 6°C. With minimal rainfall expected, you can pack light and plan outdoor activities with confidence.
Monthly Climate Data
The table below shows monthly climate averages for Dehra Dūn based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.