Average annual temperature is 27.0 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 18.3 °C
Number of sunny days: 50 days
Number of rainy days: 315 days
Look at detailed online map of Mahaoya Division
* Weather data for Mahaoya Division 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) | 29.3 | 30.4 | 33.8 | 35.7 | 35.5 | 37.6 | 39.1 | 39.8 | 36.8 | 32.8 | 32.0 | 31.7 |
| Average daytime temperature (°C) | 27.9 | 28.7 | 30.6 | 33.2 | 33.3 | 36.1 | 36.5 | 37.7 | 33.8 | 31.1 | 29.8 | 29.0 |
| Average temperature (°C) | 23.8 | 24.5 | 25.8 | 27.3 | 27.8 | 29.8 | 30.0 | 30.2 | 27.6 | 25.9 | 25.4 | 25.3 |
| Average night temperature (°C) | 20.7 | 21.2 | 22.2 | 23.1 | 23.8 | 25.3 | 25.3 | 25.2 | 24.0 | 23.0 | 22.9 | 22.9 |
| Absolute minimum temperature (°C) | 18.3 | 18.6 | 21.3 | 21.8 | 22.9 | 23.7 | 24.4 | 24.4 | 22.7 | 22.0 | 22.3 | 21.9 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 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) | 8.8 | 9.2 | 9.6 | 10.3 | 9.2 | 10.5 | 9.7 | 11.0 | 9.0 | 8.5 | 7.1 | 6.8 |
| Precipitation (mm) | 188 | 113 | 96 | 79 | 109 | 56 | 26 | 42 | 201 | 390 | 432 | 425 |
| Sunny days | 7 | 8 | 6 | 6 | 7 | 0 | 7 | 9 | 0 | 0 | 0 | 0 |
| Rainy days | 24 | 20 | 25 | 24 | 24 | 30 | 24 | 22 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mahaoya Division is at