Average annual temperature is 25.2 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: 16.8 °C
Number of sunny days: 38 days
Number of rainy days: 327 days
Look at detailed online map of Alagalla
* Weather data for Alagalla 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 | 30.9 | 33.5 | 34.9 | 31.6 | 30.0 | 29.6 | 32.2 | 29.5 | 30.0 | 30.3 | 30.2 |
| Average daytime temperature (°C) | 28.3 | 29.3 | 31.1 | 32.1 | 29.5 | 28.8 | 28.1 | 30.5 | 27.9 | 28.3 | 28.7 | 28.7 |
| Average temperature (°C) | 23.6 | 24.6 | 25.8 | 26.2 | 25.9 | 25.8 | 25.4 | 26.3 | 24.6 | 24.4 | 24.4 | 24.9 |
| Average night temperature (°C) | 19.9 | 20.6 | 21.7 | 22.0 | 23.3 | 23.8 | 23.2 | 23.3 | 22.5 | 21.6 | 21.7 | 22.2 |
| Absolute minimum temperature (°C) | 16.8 | 18.5 | 20.8 | 20.4 | 21.9 | 22.5 | 21.9 | 22.1 | 20.8 | 19.8 | 20.7 | 21.0 |
| 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) | 11.8 | 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) | 9.7 | 9.7 | 10.3 | 9.9 | 9.2 | 9.9 | 9.4 | 10.8 | 8.3 | 7.5 | 7.3 | 8.3 |
| Precipitation (mm) | 89 | 96 | 107 | 163 | 153 | 93 | 161 | 57 | 197 | 490 | 596 | 326 |
| Sunny days | 15 | 10 | 3 | 1 | 1 | 0 | 0 | 2 | 0 | 1 | 0 | 5 |
| Rainy days | 16 | 18 | 28 | 29 | 30 | 30 | 31 | 29 | 30 | 30 | 30 | 26 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Alagalla is at