Average annual temperature is 24.3 °C
Absolute maximum temperature: 31.7 °C
Absolute minimum temperature: 18.7 °C
Number of sunny days: 6 days
Number of rainy days: 359 days
Look at detailed online map of Wewagama
* Weather data for Wewagama 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) | 28.2 | 29.6 | 30.6 | 31.7 | 29.7 | 28.6 | 28.2 | 28.8 | 28.5 | 29.1 | 29.6 | 30.0 |
| Average daytime temperature (°C) | 27.4 | 28.1 | 29.3 | 29.6 | 27.9 | 27.1 | 27.0 | 27.9 | 26.7 | 27.2 | 27.9 | 27.9 |
| Average temperature (°C) | 23.3 | 23.9 | 24.6 | 25.1 | 24.9 | 24.4 | 24.3 | 24.7 | 23.8 | 24.0 | 24.2 | 24.3 |
| Average night temperature (°C) | 19.8 | 20.3 | 21.3 | 21.9 | 23.1 | 22.6 | 22.3 | 22.6 | 22.1 | 21.9 | 21.8 | 21.6 |
| Absolute minimum temperature (°C) | 18.7 | 19.1 | 20.1 | 20.5 | 21.4 | 21.3 | 21.4 | 21.8 | 21.5 | 20.8 | 20.3 | 20.4 |
| 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 | 11.8 |
| 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) | 9.4 | 9.3 | 9.8 | 9.7 | 7.0 | 7.3 | 8.0 | 10.4 | 5.4 | 5.9 | 6.6 | 7.0 |
| Precipitation (mm) | 189 | 163 | 195 | 265 | 289 | 313 | 298 | 169 | 552 | 692 | 730 | 533 |
| Sunny days | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Rainy days | 29 | 27 | 30 | 30 | 30 | 30 | 31 | 31 | 30 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Wewagama during the most sunny months:
The largest precipitation sum in Wewagama is at