Average annual temperature is 25.9 °C
Absolute maximum temperature: 33.5 °C
Absolute minimum temperature: 18.8 °C
Number of sunny days: 12 days
Number of rainy days: 353 days
Look at detailed online map of Ullala West
* Weather data for Ullala 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) | 31.6 | 33.5 | 32.2 | 32.9 | 32.6 | 31.3 | 31.1 | 32.3 | 30.7 | 30.7 | 31.2 | 31.8 |
| Average daytime temperature (°C) | 29.9 | 30.8 | 30.7 | 31.2 | 30.3 | 30.2 | 29.6 | 31.0 | 28.8 | 28.8 | 29.5 | 29.6 |
| Average temperature (°C) | 24.8 | 25.5 | 25.9 | 26.6 | 26.9 | 26.8 | 26.4 | 27.1 | 25.4 | 25.1 | 25.2 | 25.7 |
| Average night temperature (°C) | 20.9 | 21.8 | 22.5 | 23.0 | 24.4 | 24.1 | 23.9 | 24.1 | 23.1 | 22.6 | 22.4 | 22.9 |
| Absolute minimum temperature (°C) | 18.8 | 20.6 | 20.9 | 21.9 | 22.6 | 22.5 | 22.3 | 22.5 | 22.5 | 21.6 | 21.5 | 21.6 |
| 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 | 12.4 | 12.3 | 12.2 | 12.0 | 11.8 | 11.8 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.9 | 10.0 | 10.2 | 10.3 | 9.4 | 10.7 | 9.7 | 10.8 | 8.0 | 7.2 | 8.1 | 8.1 |
| Precipitation (mm) | 101 | 150 | 188 | 167 | 165 | 135 | 154 | 106 | 414 | 508 | 515 | 420 |
| Sunny days | 5 | 3 | 2 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
| Rainy days | 26 | 25 | 29 | 30 | 31 | 30 | 30 | 31 | 30 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Ullala West is at