Average annual temperature is 27.4 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 70 days
Number of rainy days: 295 days
Look at detailed online map of Mahakirimetiya
* Weather data for Mahakirimetiya 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) | 29.9 | 31.4 | 34.4 | 37.1 | 36.6 | 36.8 | 38.1 | 39.3 | 37.2 | 33.4 | 31.0 | 31.3 |
| Average daytime temperature (°C) | 28.2 | 29.3 | 31.4 | 34.3 | 33.4 | 35.3 | 35.3 | 37.3 | 33.9 | 31.7 | 29.8 | 29.1 |
| Average temperature (°C) | 24.1 | 24.8 | 26.5 | 28.1 | 28.5 | 30.1 | 29.9 | 30.5 | 28.6 | 26.5 | 25.6 | 25.6 |
| Average night temperature (°C) | 20.7 | 21.3 | 22.8 | 24.0 | 25.4 | 26.7 | 26.4 | 26.1 | 25.3 | 23.5 | 23.1 | 23.2 |
| Absolute minimum temperature (°C) | 18.1 | 18.4 | 21.9 | 22.3 | 23.9 | 25.6 | 25.6 | 24.8 | 23.6 | 22.3 | 21.9 | 22.1 |
| 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 | 9.6 | 10.3 | 10.5 | 9.3 | 10.7 | 9.7 | 10.9 | 9.8 | 8.9 | 7.2 | 7.4 |
| Precipitation (mm) | 145 | 125 | 93 | 94 | 150 | 22 | 23 | 51 | 101 | 349 | 502 | 355 |
| Sunny days | 10 | 9 | 6 | 4 | 8 | 7 | 12 | 12 | 2 | 0 | 0 | 0 |
| Rainy days | 21 | 19 | 25 | 26 | 23 | 23 | 19 | 19 | 28 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mahakirimetiya is at