Average annual temperature is 26.3 °C
Absolute maximum temperature: 35.9 °C
Absolute minimum temperature: 19.1 °C
Number of sunny days: 38 days
Number of rainy days: 327 days
Look at detailed online map of Wirambuwa
* Weather data for Wirambuwa 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) | 31.5 | 33.3 | 34.7 | 35.9 | 32.9 | 31.7 | 30.8 | 32.4 | 31.1 | 32.2 | 32.0 | 31.7 |
| Average daytime temperature (°C) | 30.1 | 31.3 | 33.0 | 33.2 | 30.9 | 30.2 | 29.5 | 31.0 | 29.0 | 29.7 | 30.3 | 30.1 |
| Average temperature (°C) | 25.0 | 26.0 | 27.2 | 27.3 | 27.1 | 26.8 | 26.7 | 27.1 | 25.5 | 25.4 | 25.4 | 25.9 |
| Average night temperature (°C) | 21.2 | 21.8 | 23.3 | 23.4 | 24.4 | 24.1 | 24.2 | 24.2 | 23.2 | 22.8 | 22.7 | 23.2 |
| Absolute minimum temperature (°C) | 19.1 | 19.7 | 22.4 | 22.3 | 22.6 | 22.8 | 21.9 | 23.2 | 22.2 | 21.6 | 21.9 | 22.2 |
| 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 | 12.5 | 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) | 9.4 | 9.7 | 10.6 | 10.2 | 9.2 | 9.8 | 9.7 | 10.9 | 7.7 | 8.0 | 7.6 | 7.9 |
| Precipitation (mm) | 84 | 127 | 137 | 171 | 189 | 204 | 138 | 64 | 400 | 391 | 572 | 322 |
| Sunny days | 17 | 13 | 2 | 0 | 0 | 0 | 0 | 1 | 1 | 1 | 0 | 3 |
| Rainy days | 14 | 15 | 29 | 30 | 31 | 30 | 31 | 30 | 29 | 30 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Wirambuwa is at