Average annual temperature is 9.2 °C
Absolute maximum temperature: 21.9 °C
Absolute minimum temperature: -14.5 °C
Number of sunny days: 73 days
Number of rainy days: 209 days
Number of snow days: 83 days
Look at detailed online map of Sikkim
* Weather data for Sikkim India is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 11.2 | 10.6 | 9.9 | 14.0 | 18.5 | 21.9 | 20.2 | 20.7 | 21.0 | 18.8 | 13.8 | 12.1 |
| Average daytime temperature (°C) | 4.9 | 6.6 | 8.0 | 10.7 | 12.8 | 18.9 | 19.0 | 19.3 | 18.6 | 14.1 | 11.4 | 8.3 |
| Average temperature (°C) | -1.9 | 2.6 | 5.1 | 8.1 | 9.9 | 15.8 | 16.6 | 17.0 | 15.9 | 11.0 | 7.7 | 2.7 |
| Average night temperature (°C) | -8.7 | -2.0 | 1.9 | 5.5 | 7.1 | 12.7 | 15.0 | 15.3 | 13.2 | 8.3 | 4.1 | -3.5 |
| Absolute minimum temperature (°C) | -14.5 | -7.5 | -3.2 | 2.7 | 3.2 | 8.5 | 13.0 | 12.9 | 11.2 | 3.4 | 2.9 | -11.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.6 | 11.2 | 12.0 | 12.8 | 13.5 | 13.9 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.4 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.7 | 6.7 | 7.5 | 7.8 | 6.3 | 9.0 | 6.2 | 6.7 | 9.2 | 7.8 | 9.0 | 8.6 |
| Precipitation (mm) | 36 | 218 | 196 | 281 | 261 | 401 | 380 | 261 | 93 | 110 | 34 | 43 |
| Sunny days | 20 | 11 | 3 | 1 | 0 | 0 | 0 | 1 | 3 | 5 | 15 | 14 |
| Rainy days | 0 | 1 | 4 | 16 | 30 | 30 | 31 | 30 | 27 | 23 | 8 | 9 |
| Snow days | 11 | 16 | 24 | 13 | 1 | 0 | 0 | 0 | 0 | 3 | 7 | 8 |
The largest precipitation sum in Sikkim is at