Average annual temperature is 27.0 °C
Absolute maximum temperature: 39.0 °C
Absolute minimum temperature: 21.1 °C
Number of sunny days: 40 days
Number of rainy days: 325 days
Look at detailed online map of Mailagama
* Weather data for Mailagama 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) | 31.8 | 32.1 | 34.6 | 35.9 | 37.1 | 37.9 | 37.8 | 39.0 | 32.5 | 31.2 | 30.9 | 30.5 |
| Average daytime temperature (°C) | 30.0 | 30.2 | 31.8 | 33.2 | 32.7 | 35.8 | 35.0 | 36.4 | 31.0 | 29.8 | 29.4 | 29.1 |
| Average temperature (°C) | 25.5 | 25.7 | 26.6 | 27.4 | 27.9 | 29.6 | 29.1 | 29.6 | 26.6 | 25.5 | 25.3 | 25.5 |
| Average night temperature (°C) | 22.4 | 22.5 | 23.0 | 23.6 | 24.8 | 25.6 | 25.2 | 25.2 | 23.9 | 22.9 | 22.8 | 23.2 |
| Absolute minimum temperature (°C) | 21.3 | 21.1 | 22.0 | 22.3 | 23.3 | 24.6 | 23.2 | 23.9 | 22.9 | 22.1 | 22.2 | 22.4 |
| 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 | 12.4 | 12.5 | 12.5 | 12.3 | 12.2 | 12.0 | 11.8 | 11.8 |
| 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) | 9.4 | 9.7 | 9.8 | 9.7 | 9.4 | 10.8 | 10.0 | 11.1 | 9.0 | 7.9 | 7.1 | 7.8 |
| Precipitation (mm) | 77 | 110 | 132 | 127 | 209 | 42 | 31 | 41 | 162 | 413 | 562 | 377 |
| Sunny days | 10 | 8 | 0 | 0 | 3 | 2 | 7 | 8 | 0 | 0 | 0 | 2 |
| Rainy days | 21 | 20 | 31 | 30 | 28 | 28 | 24 | 23 | 30 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mailagama is at