Average annual temperature is 26.7 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 58 days
Number of rainy days: 307 days
Look at detailed online map of Udawalawa
* Weather data for Udawalawa 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) | 32.3 | 32.7 | 32.9 | 34.5 | 34.6 | 33.7 | 34.1 | 36.3 | 31.9 | 31.3 | 30.8 | 31.0 |
| Average daytime temperature (°C) | 30.6 | 31.0 | 31.6 | 32.4 | 31.9 | 32.8 | 31.9 | 34.6 | 30.4 | 29.4 | 29.6 | 29.4 |
| Average temperature (°C) | 25.2 | 25.7 | 26.4 | 27.0 | 27.7 | 28.5 | 27.8 | 29.0 | 26.5 | 25.6 | 25.4 | 25.6 |
| Average night temperature (°C) | 20.9 | 21.7 | 22.7 | 23.3 | 24.8 | 25.6 | 25.0 | 25.2 | 23.9 | 23.1 | 22.9 | 22.7 |
| Absolute minimum temperature (°C) | 18.1 | 19.8 | 21.3 | 22.1 | 23.3 | 24.2 | 23.4 | 24.3 | 22.7 | 21.3 | 21.9 | 21.3 |
| 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 | 11.8 |
| 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) | 9.6 | 9.5 | 9.7 | 9.8 | 9.1 | 10.7 | 9.7 | 11.0 | 8.6 | 7.1 | 7.3 | 7.8 |
| Precipitation (mm) | 96 | 156 | 157 | 152 | 93 | 24 | 35 | 33 | 147 | 553 | 539 | 320 |
| Sunny days | 8 | 7 | 1 | 1 | 7 | 7 | 12 | 13 | 0 | 0 | 0 | 2 |
| Rainy days | 23 | 21 | 30 | 29 | 24 | 23 | 19 | 18 | 30 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Udawalawa is at