Average annual temperature is 25.9 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: 18.0 °C
Number of sunny days: 58 days
Number of rainy days: 307 days
Look at detailed online map of Potuwila
* Weather data for Potuwila 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) | 29.5 | 30.8 | 33.8 | 34.8 | 33.3 | 33.2 | 33.2 | 35.8 | 32.8 | 32.0 | 30.9 | 30.6 |
| Average daytime temperature (°C) | 27.8 | 28.8 | 31.3 | 33.0 | 31.0 | 31.5 | 30.7 | 33.7 | 30.2 | 30.1 | 29.5 | 28.4 |
| Average temperature (°C) | 23.5 | 24.4 | 26.2 | 27.1 | 26.8 | 27.2 | 26.7 | 28.0 | 25.9 | 25.3 | 25.0 | 24.8 |
| Average night temperature (°C) | 20.2 | 20.9 | 22.4 | 23.2 | 24.1 | 24.3 | 23.9 | 24.2 | 23.2 | 22.5 | 22.5 | 22.6 |
| Absolute minimum temperature (°C) | 18.0 | 18.8 | 21.7 | 21.8 | 22.8 | 23.0 | 22.5 | 23.5 | 22.2 | 21.1 | 21.7 | 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) | 9.3 | 9.7 | 10.4 | 10.2 | 9.1 | 10.3 | 9.3 | 11.0 | 8.3 | 8.1 | 7.2 | 7.5 |
| Precipitation (mm) | 85 | 91 | 81 | 129 | 136 | 44 | 52 | 23 | 94 | 284 | 450 | 261 |
| Sunny days | 15 | 13 | 3 | 5 | 1 | 1 | 5 | 15 | 0 | 0 | 0 | 0 |
| Rainy days | 16 | 15 | 28 | 25 | 30 | 29 | 26 | 16 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Potuwila is at