Dehradun has a sub-tropical climate with cool winters, warm and crisp springs, hot summers and a strong monsoon. The mountains around Dehradun receive sustained snowfall in winter, but the temperature in the city hardly ever drops below freezing. Given below is complete information on the weather.
Summers in Dehradun generally lasts from mid-April to mid-June. The temperature rises to a maximum of 36o C and the days remain dry, sunny and hot. Periodic rainfalls are experienced and the temperature falls down to a minimum of 16.7o C. Due to its close vicinity to the neighboring hill station of Mussoorie, the summers see a huge influx of tourists to the place from the hot and seething plains below.
Monsoons generally last from the month of July to September. With the onset of this season, the place experiences the monsoon showers from the Arabian Sea. The rain is very assuaging after the hot and dry summer months, and the weather is warm. The humidity remains very high, especially in the month of July and early August.
Winters last from November to February and are very cold; with the temperature falling down to a minimum of 5.2o C. Days generally remain dry. The maximum temperature during winters is recorded at 23.4o C. Due to snowfall in the nearby mountain ranges and cold winter rains, the months of December and January are the coldest of the winter months. Winters remain ideal for enjoying snowfall in the Garhwal Himalayas.
Summer Temperature: Minimum: 16.7o C, Maximum: 36o C
Winter Temperature: Minimum: 5.2o C, Maximum: 23.4o C
Average Rainfall: 2073.3 mm