Average annual temperature is 20.8 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: 1.5 °C
Number of sunny days: 193 days
Number of rainy days: 172 days
Look at detailed online map of Byas
* Weather data for Byas 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) | 26.1 | 28.4 | 29.3 | 36.2 | 35.7 | 37.4 | 34.0 | 33.5 | 32.7 | 31.4 | 26.9 | 23.0 |
| Average daytime temperature (°C) | 21.0 | 24.7 | 26.6 | 30.8 | 31.4 | 33.5 | 31.0 | 30.1 | 31.0 | 27.2 | 24.4 | 20.8 |
| Average temperature (°C) | 12.2 | 16.2 | 18.7 | 22.1 | 24.1 | 27.0 | 26.2 | 25.8 | 25.7 | 21.4 | 17.1 | 13.1 |
| Average night temperature (°C) | 5.6 | 9.7 | 11.5 | 14.0 | 17.5 | 21.6 | 23.1 | 23.1 | 22.1 | 16.9 | 11.3 | 7.4 |
| Absolute minimum temperature (°C) | 1.5 | 6.7 | 9.6 | 11.5 | 14.7 | 18.5 | 22.1 | 21.3 | 20.1 | 12.5 | 10.2 | 5.3 |
| 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) | 8.4 | 9.0 | 9.7 | 10.1 | 10.5 | 11.0 | 9.1 | 7.4 | 9.7 | 8.9 | 8.9 | 8.3 |
| Precipitation (mm) | 0 | 3 | 59 | 6 | 71 | 298 | 396 | 429 | 79 | 94 | 1 | 2 |
| Sunny days | 30 | 25 | 16 | 24 | 15 | 9 | 0 | 0 | 3 | 14 | 28 | 29 |
| Rainy days | 1 | 3 | 15 | 6 | 16 | 21 | 31 | 31 | 27 | 17 | 2 | 2 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Byas is at