Average annual temperature is 26.5 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 18.8 °C
Number of sunny days: 63 days
Number of rainy days: 302 days
Look at detailed online map of Mawatagama
* Weather data for Mawatagama 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 | 31.6 | 34.1 | 35.4 | 33.9 | 33.6 | 35.6 | 36.9 | 33.5 | 32.8 | 31.8 | 30.5 |
| Average daytime temperature (°C) | 28.5 | 29.7 | 31.8 | 33.5 | 31.5 | 32.2 | 32.1 | 34.6 | 31.2 | 31.1 | 30.1 | 28.9 |
| Average temperature (°C) | 24.0 | 24.9 | 26.5 | 27.5 | 27.3 | 27.9 | 27.8 | 28.5 | 26.7 | 25.9 | 25.2 | 25.2 |
| Average night temperature (°C) | 20.7 | 21.1 | 22.9 | 23.6 | 24.6 | 25.0 | 24.8 | 24.8 | 23.8 | 23.0 | 22.7 | 22.9 |
| Absolute minimum temperature (°C) | 18.8 | 18.9 | 21.8 | 22.4 | 23.3 | 23.9 | 23.6 | 24.0 | 23.0 | 21.9 | 22.0 | 22.3 |
| 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 | 12.6 | 12.5 | 12.4 | 12.2 | 11.9 | 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) | 9.2 | 9.9 | 10.7 | 10.2 | 9.0 | 10.6 | 9.5 | 11.0 | 9.3 | 8.6 | 7.1 | 7.6 |
| Precipitation (mm) | 68 | 115 | 90 | 129 | 103 | 26 | 36 | 40 | 75 | 251 | 466 | 278 |
| Sunny days | 14 | 14 | 5 | 3 | 2 | 2 | 9 | 12 | 1 | 0 | 0 | 1 |
| Rainy days | 17 | 14 | 26 | 27 | 29 | 28 | 22 | 19 | 29 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mawatagama is at