Average annual temperature is 16.5 °C
Absolute maximum temperature: 27.3 °C
Absolute minimum temperature: 5.3 °C
Number of sunny days: 69 days
Number of rainy days: 296 days
Look at detailed online map of Chummāṅ
* Weather data for Chummāṅ Nepal is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 18.9 | 18.9 | 20.6 | 24.4 | 24.9 | 27.3 | 26.5 | 27.1 | 26.7 | 24.5 | 20.8 | 18.2 |
| Average daytime temperature (°C) | 15.5 | 16.6 | 17.6 | 20.6 | 21.3 | 24.2 | 23.6 | 23.6 | 24.1 | 20.6 | 18.4 | 16.0 |
| Average temperature (°C) | 10.6 | 12.5 | 13.5 | 16.2 | 17.6 | 20.8 | 21.0 | 21.0 | 20.9 | 17.2 | 14.5 | 11.8 |
| Average night temperature (°C) | 6.7 | 9.1 | 10.1 | 12.6 | 14.5 | 18.3 | 19.2 | 19.5 | 18.5 | 14.6 | 11.4 | 8.6 |
| Absolute minimum temperature (°C) | 5.3 | 6.5 | 9.1 | 8.9 | 12.3 | 15.8 | 18.4 | 18.5 | 17.2 | 11.4 | 9.6 | 6.7 |
| 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 | 13.8 | 13.7 | 13.1 | 12.3 | 11.5 | 10.8 | 10.5 |
| 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) | 8.9 | 8.0 | 8.8 | 10.1 | 10.1 | 9.2 | 7.2 | 6.9 | 9.5 | 9.0 | 9.5 | 8.6 |
| Precipitation (mm) | 20 | 212 | 563 | 464 | 552 | 761 | 624 | 1012 | 213 | 260 | 138 | 43 |
| Sunny days | 19 | 6 | 2 | 0 | 2 | 0 | 0 | 0 | 5 | 7 | 12 | 16 |
| Rainy days | 12 | 22 | 29 | 30 | 29 | 30 | 31 | 31 | 25 | 24 | 18 | 15 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Chummāṅ is at