The months of May and June are considered to be the summer season in Kalimpong. The temperature varies from 25 degree C to 16 degree C. Although the sky remains clear, it might get cloudy at some time.
The monsoon time in Kalimpong is in the months of July to September. Peak of rainfall can be experienced at around 22 inches while it comes down to 19.6 inches in the month of August and further down in the month of September. The rejuvenated lush greens of the area are breathtaking during this timeof the year. The temperature ranges from 18-24 degree C.
The winter time in Kalimpong is December through February. The temperature varies from 7 to 16 degree C but the sky is usually clear and offers a good view of the surrounding mountains. Rainfall ranges from 0.2- 1.2 inches during this season.