Average annual temperature is 26.0 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: 19.5 °C
Number of sunny days: 28 days
Number of rainy days: 337 days
Look at detailed online map of Walpitamulla
* Weather data for Walpitamulla 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) | 31.3 | 34.1 | 34.2 | 34.2 | 32.2 | 30.7 | 30.3 | 31.0 | 30.7 | 31.4 | 31.9 | 32.2 |
| Average daytime temperature (°C) | 29.9 | 31.1 | 32.0 | 32.6 | 30.4 | 29.7 | 29.3 | 30.1 | 28.6 | 29.5 | 30.1 | 30.1 |
| Average temperature (°C) | 25.1 | 25.8 | 26.5 | 26.9 | 26.8 | 26.3 | 26.3 | 26.6 | 25.3 | 25.3 | 25.3 | 25.8 |
| Average night temperature (°C) | 21.2 | 21.5 | 22.7 | 23.1 | 24.2 | 23.7 | 23.6 | 23.7 | 23.1 | 22.7 | 22.5 | 23.0 |
| Absolute minimum temperature (°C) | 19.5 | 19.6 | 21.9 | 21.6 | 22.8 | 22.4 | 22.2 | 22.7 | 22.3 | 21.8 | 21.5 | 21.8 |
| 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 | 11.7 |
| 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) | 9.3 | 9.7 | 10.3 | 10.2 | 8.6 | 8.8 | 9.4 | 10.8 | 6.8 | 7.1 | 7.3 | 7.6 |
| Precipitation (mm) | 112 | 118 | 192 | 200 | 226 | 306 | 239 | 92 | 546 | 592 | 582 | 397 |
| Sunny days | 14 | 10 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 |
| Rainy days | 17 | 18 | 30 | 30 | 31 | 30 | 31 | 31 | 30 | 30 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Walpitamulla is at