Average annual temperature is 26.0 °C
Absolute maximum temperature: 35.4 °C
Absolute minimum temperature: 19.1 °C
Number of sunny days: 36 days
Number of rainy days: 329 days
Look at detailed online map of Polwatta
* Weather data for Polwatta 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) | 31.2 | 33.6 | 33.7 | 35.4 | 32.3 | 31.1 | 30.3 | 31.3 | 30.6 | 31.3 | 31.9 | 31.6 |
| Average daytime temperature (°C) | 29.9 | 31.0 | 32.5 | 33.0 | 30.6 | 29.8 | 29.3 | 30.3 | 28.6 | 29.4 | 30.1 | 30.0 |
| Average temperature (°C) | 24.9 | 25.7 | 26.8 | 27.1 | 26.8 | 26.4 | 26.3 | 26.7 | 25.3 | 25.3 | 25.2 | 25.8 |
| Average night temperature (°C) | 21.0 | 21.5 | 22.9 | 23.3 | 24.3 | 23.8 | 23.8 | 23.9 | 23.1 | 22.8 | 22.6 | 23.0 |
| Absolute minimum temperature (°C) | 19.1 | 19.1 | 22.0 | 22.3 | 22.7 | 22.5 | 21.7 | 22.8 | 22.2 | 21.8 | 21.7 | 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.5 | 12.5 | 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) | 9.4 | 9.5 | 10.3 | 10.2 | 9.0 | 9.3 | 9.4 | 10.8 | 7.1 | 7.4 | 7.3 | 7.8 |
| Precipitation (mm) | 99 | 125 | 164 | 173 | 202 | 270 | 265 | 73 | 503 | 426 | 570 | 343 |
| Sunny days | 16 | 15 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 |
| Rainy days | 15 | 13 | 30 | 30 | 31 | 30 | 31 | 31 | 30 | 30 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Polwatta is at