Average annual temperature is 1.5 °C
Absolute maximum temperature: 12.4 °C
Absolute minimum temperature: -13.1 °C
Number of sunny days: 82 days
Number of rainy days: 282 days
Number of snow days: 1 day
Look at detailed online map of Koyān
* Weather data for Koyān 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) | 4.2 | 4.8 | 4.4 | 8.8 | 9.6 | 12.4 | 10.9 | 10.9 | 11.1 | 9.0 | 5.4 | 3.7 |
| Average daytime temperature (°C) | 0.4 | 1.9 | 2.1 | 5.1 | 6.5 | 9.8 | 9.3 | 9.0 | 8.8 | 4.8 | 2.6 | 0.6 |
| Average temperature (°C) | -3.6 | -2.3 | -2.5 | 0.5 | 2.6 | 6.6 | 6.8 | 6.8 | 6.0 | 1.8 | -1.0 | -3.5 |
| Average night temperature (°C) | -7.9 | -6.5 | -7.1 | -4.8 | -1.7 | 3.6 | 4.9 | 5.2 | 3.6 | -1.1 | -4.9 | -7.9 |
| Absolute minimum temperature (°C) | -13.1 | -11.1 | -10.6 | -8.4 | -7.0 | -0.3 | 3.9 | 3.0 | 0.8 | -5.2 | -8.4 | -11.4 |
| 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) | 10.6 | 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) | 9.6 | 10.0 | 9.7 | 10.7 | 10.5 | 10.8 | 7.9 | 6.5 | 10.3 | 9.3 | 9.6 | 9.1 |
| Precipitation (mm) | 0 | 13 | 140 | 96 | 158 | 398 | 619 | 598 | 294 | 155 | 29 | 8 |
| Sunny days | 30 | 20 | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 7 | 22 |
| Rainy days | 1 | 8 | 31 | 28 | 30 | 30 | 31 | 31 | 30 | 31 | 23 | 8 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Koyān is at