Average annual temperature is 27.3 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: 22.6 °C
Number of sunny days: 81 days
Number of rainy days: 284 days
Look at detailed online map of Wattacholai
* Weather data for Wattacholai 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) | 29.1 | 29.5 | 30.1 | 31.3 | 30.8 | 29.7 | 28.5 | 28.5 | 28.9 | 29.6 | 30.3 | 29.8 |
| Average daytime temperature (°C) | 27.5 | 27.7 | 28.9 | 29.6 | 29.7 | 28.8 | 27.8 | 27.7 | 28.2 | 28.0 | 28.0 | 28.4 |
| Average temperature (°C) | 25.6 | 25.9 | 27.3 | 28.3 | 28.9 | 28.4 | 27.4 | 27.3 | 27.6 | 27.0 | 26.6 | 26.9 |
| Average night temperature (°C) | 24.0 | 24.1 | 25.9 | 26.9 | 27.9 | 27.9 | 27.0 | 26.9 | 26.7 | 26.1 | 25.5 | 25.6 |
| Absolute minimum temperature (°C) | 23.0 | 22.6 | 24.6 | 25.3 | 26.0 | 26.7 | 26.6 | 26.4 | 25.7 | 24.8 | 24.9 | 24.8 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 11.9 | 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 | 10.3 | 11.0 | 10.7 | 9.6 | 11.0 | 10.2 | 11.3 | 10.4 | 9.4 | 8.5 | 8.8 |
| Precipitation (mm) | 50 | 58 | 32 | 69 | 193 | 63 | 28 | 38 | 230 | 254 | 407 | 245 |
| Sunny days | 17 | 16 | 5 | 1 | 4 | 3 | 17 | 16 | 1 | 1 | 0 | 0 |
| Rainy days | 14 | 12 | 26 | 29 | 27 | 27 | 14 | 15 | 29 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Wattacholai is at