Average annual temperature is 26.3 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: 18.8 °C
Number of sunny days: 44 days
Number of rainy days: 321 days
Look at detailed online map of Wellegala
* Weather data for Wellegala 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) | 30.8 | 32.3 | 34.8 | 36.0 | 33.9 | 32.6 | 32.6 | 34.9 | 32.3 | 32.8 | 32.3 | 31.1 |
| Average daytime temperature (°C) | 29.2 | 30.4 | 32.6 | 33.7 | 31.4 | 31.0 | 30.3 | 33.2 | 29.7 | 30.2 | 30.4 | 29.7 |
| Average temperature (°C) | 24.5 | 25.4 | 27.0 | 27.4 | 27.2 | 27.2 | 26.8 | 28.0 | 25.9 | 25.6 | 25.5 | 25.7 |
| Average night temperature (°C) | 20.9 | 21.5 | 23.0 | 23.5 | 24.5 | 24.4 | 24.2 | 24.6 | 23.5 | 22.9 | 22.9 | 23.2 |
| Absolute minimum temperature (°C) | 18.8 | 19.1 | 22.1 | 22.3 | 23.0 | 22.7 | 22.7 | 23.5 | 22.6 | 22.0 | 21.8 | 22.3 |
| 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) | 11.7 | 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) | 9.6 | 9.9 | 10.5 | 10.0 | 8.9 | 10.0 | 9.3 | 10.9 | 8.0 | 7.9 | 7.4 | 7.9 |
| Precipitation (mm) | 75 | 66 | 105 | 175 | 132 | 70 | 105 | 23 | 175 | 363 | 595 | 276 |
| Sunny days | 15 | 12 | 1 | 3 | 1 | 0 | 2 | 6 | 0 | 0 | 0 | 4 |
| Rainy days | 16 | 16 | 30 | 27 | 30 | 30 | 29 | 25 | 30 | 31 | 30 | 27 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Wellegala is at