Average annual temperature is 27.3 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 20.2 °C
Number of sunny days: 70 days
Number of rainy days: 295 days
Look at detailed online map of Mailawewa
* Weather data for Mailawewa 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) | 28.7 | 29.7 | 33.7 | 36.3 | 36.8 | 37.2 | 37.6 | 37.7 | 35.6 | 34.2 | 30.4 | 32.0 |
| Average daytime temperature (°C) | 27.2 | 28.2 | 30.7 | 32.9 | 33.9 | 35.3 | 35.1 | 36.4 | 33.9 | 31.7 | 29.0 | 28.5 |
| Average temperature (°C) | 24.9 | 25.3 | 26.6 | 27.7 | 28.4 | 30.0 | 29.5 | 29.3 | 28.1 | 26.4 | 25.5 | 25.7 |
| Average night temperature (°C) | 22.7 | 22.6 | 23.4 | 23.8 | 25.1 | 26.4 | 26.2 | 25.3 | 25.0 | 23.4 | 23.1 | 23.6 |
| Absolute minimum temperature (°C) | 20.2 | 20.4 | 22.0 | 21.8 | 23.3 | 24.9 | 25.1 | 24.2 | 23.5 | 22.4 | 22.4 | 22.7 |
| 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 | 11.8 | 12.1 | 12.3 | 12.5 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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 | 10.2 | 10.9 | 10.6 | 9.4 | 10.6 | 9.7 | 10.9 | 10.0 | 9.9 | 8.0 | 8.2 |
| Precipitation (mm) | 152 | 102 | 62 | 91 | 108 | 25 | 56 | 108 | 131 | 440 | 591 | 405 |
| Sunny days | 8 | 12 | 5 | 6 | 6 | 9 | 9 | 8 | 4 | 3 | 0 | 0 |
| Rainy days | 23 | 16 | 26 | 24 | 25 | 21 | 22 | 23 | 26 | 28 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mailawewa is at