Darjeeling 's temperate climate has five distinct seasons: spring, summer, autumn, winter, and the monsoons. Summers (lasting from May to June) are mild, with maximum temperatures rarely crossing 25 °C (77 °F). The monsoon season from June to September is characterised by intense torrential rains often causing landslides that block Darjeeling 's land access to the rest of the country. In winter temperature averages 5–7 °C (41–44 °F). Occasionally the temperatures drop below freezing; snowfalls are rare. During the monsoon and winter seasons, Darjeeling is often shrouded in mist and fog. The annual mean temperature is 12 °C (53 °F); monthly mean temperatures range from 5–17 °C (41–62 °F). The highest temperature ever recorded in the district was 26.7 °C (80.1 °F) on 23 August 1957 ; the lowest-ever temperature recorded was -5 °C (23 °F) on 11 February 1905 . The average annual precipitation is 281.8 cm (110.9 in), with the highest incidence occurring in July (75.3 cm or 29.6 in)

The best season to visit Darjeeling is between April and June. The weather during this period is generally clear and the chilling biting cold gets subsided. But one can also go to Darjeeling between September and November. During these months the mountains are clearly visible and one can enjoy the golden sunrise over the Himalayan peaks. Being a mountain city Darjeeling experiences rains throughout the year. Often heavy down pours wash away the roads and the place is totally cut off from rest of the country. The temperature range is not very large here with the maximum in summers being 15 degrees and 1.5 degrees in winters. This place requires warm cloths any time of the year and do not forget to carry a umbrella to this place.