Average annual temperature is 26.6 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: 18.8 °C
Number of sunny days: 52 days
Number of rainy days: 313 days
Look at detailed online map of Mawathagama
* Weather data for Mawathagama 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) | 30.6 | 32.9 | 34.6 | 36.8 | 32.9 | 32.0 | 32.9 | 34.8 | 31.5 | 33.2 | 32.4 | 31.1 |
| Average daytime temperature (°C) | 29.2 | 30.6 | 32.8 | 33.6 | 31.1 | 30.8 | 30.4 | 32.8 | 29.9 | 30.1 | 30.3 | 29.9 |
| Average temperature (°C) | 24.5 | 25.5 | 27.1 | 27.6 | 27.4 | 27.6 | 27.4 | 28.1 | 26.3 | 25.8 | 25.6 | 25.8 |
| Average night temperature (°C) | 20.9 | 21.5 | 23.2 | 23.8 | 24.6 | 25.0 | 25.2 | 25.0 | 23.7 | 23.1 | 23.0 | 23.3 |
| Absolute minimum temperature (°C) | 18.8 | 19.5 | 21.9 | 22.7 | 22.4 | 23.1 | 23.6 | 23.7 | 22.7 | 22.0 | 22.4 | 22.6 |
| 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) | 9.3 | 9.9 | 10.8 | 10.3 | 9.2 | 10.5 | 9.7 | 11.1 | 8.7 | 8.2 | 7.4 | 7.9 |
| Precipitation (mm) | 66 | 86 | 99 | 139 | 177 | 88 | 53 | 25 | 221 | 296 | 414 | 241 |
| Sunny days | 14 | 13 | 3 | 2 | 0 | 1 | 5 | 12 | 1 | 0 | 0 | 1 |
| Rainy days | 17 | 15 | 28 | 28 | 31 | 29 | 26 | 19 | 29 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mawathagama is at