Average annual temperature is 24.5 °C
Absolute maximum temperature: 38.9 °C
Absolute minimum temperature: 7.5 °C
Number of sunny days: 197 days
Number of rainy days: 168 days
Look at detailed online map of Koshi
* Weather data for Koshi 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) | 26.2 | 29.1 | 31.7 | 36.4 | 37.8 | 38.9 | 34.6 | 34.8 | 35.1 | 31.8 | 31.0 | 27.9 |
| Average daytime temperature (°C) | 20.8 | 25.9 | 29.2 | 32.8 | 33.6 | 34.1 | 32.0 | 31.6 | 32.0 | 30.2 | 28.7 | 24.5 |
| Average temperature (°C) | 14.9 | 19.7 | 23.1 | 26.4 | 28.1 | 29.7 | 28.7 | 28.2 | 28.5 | 25.5 | 22.4 | 18.2 |
| Average night temperature (°C) | 10.5 | 14.0 | 17.4 | 20.3 | 22.9 | 25.5 | 25.8 | 25.5 | 25.5 | 21.3 | 16.9 | 13.1 |
| Absolute minimum temperature (°C) | 7.5 | 10.8 | 15.2 | 16.9 | 20.7 | 23.9 | 24.6 | 24.1 | 23.2 | 18.3 | 15.3 | 10.4 |
| 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) | 10.7 | 11.3 | 12.0 | 12.8 | 13.4 | 13.8 | 13.6 | 13.1 | 12.3 | 11.5 | 10.9 | 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) | 8.3 | 9.7 | 10.1 | 10.6 | 10.9 | 10.7 | 9.0 | 7.7 | 9.0 | 9.5 | 9.7 | 8.4 |
| Precipitation (mm) | 0 | 1 | 58 | 16 | 87 | 273 | 440 | 408 | 288 | 69 | 0 | 5 |
| Sunny days | 30 | 25 | 21 | 22 | 16 | 7 | 1 | 0 | 3 | 12 | 30 | 30 |
| Rainy days | 1 | 3 | 10 | 8 | 15 | 23 | 30 | 31 | 27 | 19 | 0 | 1 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koshi is at