Average annual temperature is 23.3 °C
Absolute maximum temperature: 32.8 °C
Absolute minimum temperature: 13.6 °C
Number of sunny days: 50 days
Number of rainy days: 315 days
Look at detailed online map of Unuvinna West
* Weather data for Unuvinna West 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) | 25.2 | 25.9 | 29.0 | 31.4 | 30.7 | 31.3 | 31.5 | 32.8 | 30.4 | 29.1 | 27.0 | 27.5 |
| Average daytime temperature (°C) | 23.6 | 24.5 | 26.1 | 28.4 | 28.4 | 29.9 | 28.7 | 31.3 | 28.3 | 26.7 | 26.0 | 25.1 |
| Average temperature (°C) | 20.3 | 21.2 | 22.5 | 24.0 | 24.3 | 25.5 | 24.6 | 25.3 | 23.8 | 23.1 | 22.7 | 22.3 |
| Average night temperature (°C) | 17.3 | 18.2 | 19.4 | 20.2 | 21.2 | 22.5 | 21.8 | 21.0 | 20.8 | 20.3 | 20.2 | 20.4 |
| Absolute minimum temperature (°C) | 13.6 | 15.2 | 18.1 | 17.9 | 20.0 | 21.0 | 19.7 | 19.9 | 19.1 | 18.7 | 18.2 | 19.4 |
| 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) | 8.9 | 9.0 | 9.6 | 10.3 | 9.2 | 10.4 | 9.1 | 10.8 | 8.5 | 7.6 | 7.4 | 6.9 |
| Precipitation (mm) | 112 | 107 | 141 | 109 | 86 | 20 | 56 | 53 | 67 | 346 | 388 | 294 |
| Sunny days | 4 | 5 | 4 | 4 | 6 | 6 | 10 | 7 | 1 | 2 | 0 | 1 |
| Rainy days | 27 | 23 | 27 | 26 | 25 | 24 | 21 | 24 | 29 | 29 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Unuvinna West is at