Average annual temperature is 6.7 °C
Absolute maximum temperature: 21.2 °C
Absolute minimum temperature: -15.3 °C
Number of sunny days: 102 days
Number of rainy days: 188 days
Number of snow days: 75 days
Look at detailed online map of Chhā̃chu
* Weather data for Chhā̃chu 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) | 10.1 | 14.9 | 10.5 | 14.1 | 17.5 | 20.4 | 21.2 | 19.8 | 20.8 | 18.9 | 12.2 | 13.2 |
| Average daytime temperature (°C) | 5.6 | 8.2 | 7.5 | 9.9 | 12.6 | 17.4 | 18.4 | 18.2 | 17.4 | 12.8 | 9.8 | 7.8 |
| Average temperature (°C) | -0.2 | 0.2 | 1.2 | 3.4 | 6.9 | 12.5 | 14.9 | 14.5 | 13.4 | 7.3 | 5.0 | 0.4 |
| Average night temperature (°C) | -7.3 | -7.1 | -6.0 | -3.5 | 0.8 | 7.3 | 11.8 | 10.8 | 9.7 | 1.7 | 0.4 | -6.7 |
| Absolute minimum temperature (°C) | -15.3 | -12.7 | -9.6 | -9.7 | -5.0 | -0.6 | 9.2 | 6.3 | 5.0 | -4.1 | -4.6 | -14.2 |
| 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 | 14.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.2 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| 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) | 8.5 | 10.3 | 9.4 | 9.5 | 10.7 | 11.3 | 9.2 | 7.8 | 9.9 | 9.8 | 9.4 | 9.1 |
| Precipitation (mm) | 58 | 14 | 100 | 123 | 139 | 208 | 428 | 316 | 168 | 88 | 11 | 37 |
| Sunny days | 19 | 20 | 4 | 4 | 1 | 3 | 0 | 0 | 1 | 5 | 19 | 26 |
| Rainy days | 1 | 0 | 3 | 14 | 28 | 27 | 31 | 31 | 29 | 20 | 2 | 2 |
| Snow days | 11 | 8 | 24 | 12 | 2 | 0 | 0 | 0 | 0 | 6 | 9 | 3 |
The largest precipitation sum in Chhā̃chu is at