Average annual temperature is 25.7 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: 18.6 °C
Number of sunny days: 43 days
Number of rainy days: 322 days
Look at detailed online map of Mahaarawa
* Weather data for Mahaarawa 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) | 28.4 | 30.0 | 32.1 | 34.2 | 34.9 | 37.0 | 38.7 | 39.1 | 34.7 | 30.9 | 29.7 | 29.4 |
| Average daytime temperature (°C) | 27.0 | 27.5 | 29.0 | 31.2 | 31.7 | 34.9 | 35.0 | 37.1 | 32.1 | 29.5 | 28.5 | 27.6 |
| Average temperature (°C) | 23.1 | 23.6 | 24.6 | 25.8 | 26.5 | 28.2 | 28.2 | 29.3 | 26.4 | 24.6 | 24.1 | 24.0 |
| Average night temperature (°C) | 20.3 | 20.6 | 21.2 | 22.0 | 22.6 | 23.3 | 23.2 | 23.5 | 22.9 | 21.7 | 21.6 | 21.7 |
| Absolute minimum temperature (°C) | 18.6 | 18.6 | 20.2 | 20.4 | 21.6 | 22.5 | 21.7 | 22.4 | 21.6 | 20.6 | 20.9 | 20.9 |
| 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 | 11.7 |
| 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 | 9.2 | 9.4 | 10.0 | 9.5 | 10.6 | 9.8 | 10.9 | 9.5 | 8.5 | 7.4 | 7.4 |
| Precipitation (mm) | 103 | 139 | 173 | 119 | 180 | 56 | 54 | 38 | 115 | 320 | 519 | 423 |
| Sunny days | 7 | 7 | 4 | 2 | 9 | 3 | 4 | 7 | 0 | 0 | 0 | 0 |
| Rainy days | 24 | 21 | 27 | 28 | 22 | 27 | 27 | 24 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mahaarawa is at