The climate of Dehradun is generally temperate, although it varies from tropical: from hot in summers to severely cold, depending upon the season and the altitude. The nearby hilly regions often get snowfall during winter. Although the temperature in Dehradun can reach below freezing during severe cold waves, this is not common. Summer temperatures can reach up to 40°C for a few days, whereas winter temperatures are usually between 1 and 20°C. During the monsoon season, there is often heavy and protracted rainfall. Dehradun and other plains areas of Uttarakhand see almost as much rainfall as coastal Maharashtra and more than Assam. The weather is considered to be good during winter in the hilly regions, and it is often hot in the “Doon” valley.
Agriculture benefits from fertile alluvial soil, adequate drainage and plentiful rain. Mountain areas are also used for agriculture. Dehradoon is known internationally for its variety of Basmati rice and Lychees.