Average annual temperature is 21.5 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: 7.1 °C
Number of sunny days: 170 days
Number of rainy days: 195 days
Look at detailed online map of Arun
* Weather data for Arun 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) | 24.7 | 25.4 | 27.9 | 31.8 | 32.3 | 34.9 | 31.5 | 31.9 | 31.3 | 29.6 | 27.0 | 24.9 |
| Average daytime temperature (°C) | 20.4 | 22.1 | 24.2 | 27.5 | 28.0 | 30.1 | 28.5 | 28.1 | 29.1 | 26.1 | 24.7 | 22.0 |
| Average temperature (°C) | 15.3 | 17.4 | 19.2 | 22.1 | 23.0 | 25.7 | 25.2 | 25.1 | 25.2 | 22.2 | 20.1 | 17.1 |
| Average night temperature (°C) | 11.0 | 13.4 | 15.5 | 18.1 | 19.1 | 22.4 | 22.5 | 22.9 | 22.0 | 19.3 | 16.5 | 13.6 |
| Absolute minimum temperature (°C) | 7.1 | 7.7 | 12.7 | 13.9 | 16.1 | 21.1 | 21.1 | 21.9 | 20.8 | 15.6 | 13.8 | 9.0 |
| 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) | 9.2 | 8.8 | 9.6 | 10.6 | 10.5 | 9.5 | 8.5 | 7.5 | 9.6 | 9.1 | 9.7 | 8.8 |
| Precipitation (mm) | 0 | 3 | 54 | 16 | 96 | 287 | 249 | 411 | 165 | 52 | 0 | 6 |
| Sunny days | 30 | 20 | 12 | 15 | 10 | 6 | 0 | 0 | 7 | 17 | 28 | 25 |
| Rainy days | 1 | 8 | 19 | 15 | 21 | 24 | 31 | 31 | 23 | 14 | 2 | 6 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Arun is at