Average annual temperature is 24.9 °C
Absolute maximum temperature: 34.5 °C
Absolute minimum temperature: 15.2 °C
Number of sunny days: 33 days
Number of rainy days: 332 days
Look at detailed online map of Arunodagama
* Weather data for Arunodagama Sri Lanka is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 29.6 | 30.7 | 33.6 | 34.5 | 31.8 | 29.9 | 29.7 | 32.3 | 29.7 | 30.8 | 30.7 | 30.4 |
| Average daytime temperature (°C) | 28.1 | 29.3 | 31.2 | 32.0 | 29.5 | 28.9 | 28.0 | 30.3 | 28.1 | 28.3 | 28.9 | 28.8 |
| Average temperature (°C) | 23.2 | 24.1 | 25.6 | 26.0 | 25.6 | 25.6 | 25.2 | 26.0 | 24.5 | 24.3 | 24.2 | 24.6 |
| Average night temperature (°C) | 18.7 | 19.4 | 21.2 | 21.8 | 23.0 | 23.5 | 23.0 | 23.0 | 22.3 | 21.5 | 21.4 | 21.5 |
| Absolute minimum temperature (°C) | 15.2 | 16.5 | 19.7 | 20.2 | 21.9 | 22.4 | 21.4 | 22.1 | 21.3 | 20.5 | 20.0 | 19.8 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 |
| Daylight mean duration (h) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.5 | 12.5 | 12.4 | 12.2 | 12.0 | 11.8 | 11.7 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.6 | 9.8 | 10.3 | 10.0 | 9.3 | 10.2 | 9.5 | 10.8 | 8.5 | 7.7 | 7.5 | 8.2 |
| Precipitation (mm) | 83 | 98 | 101 | 214 | 217 | 119 | 172 | 66 | 265 | 531 | 709 | 371 |
| Sunny days | 14 | 10 | 3 | 2 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 2 |
| Rainy days | 17 | 18 | 28 | 28 | 31 | 30 | 31 | 30 | 30 | 30 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Arunodagama is at