Average annual temperature is 24.2 °C
Absolute maximum temperature: 35.0 °C
Absolute minimum temperature: 14.9 °C
Number of sunny days: 69 days
Number of rainy days: 296 days
Look at detailed online map of Kalawala
* Weather data for Kalawala 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) | 25.9 | 26.4 | 29.2 | 31.0 | 31.9 | 33.3 | 33.5 | 35.0 | 32.3 | 30.2 | 28.2 | 28.1 |
| Average daytime temperature (°C) | 24.3 | 25.2 | 26.6 | 28.8 | 29.7 | 31.9 | 30.7 | 33.3 | 30.3 | 27.8 | 26.6 | 25.7 |
| Average temperature (°C) | 21.0 | 21.8 | 23.0 | 24.4 | 25.3 | 27.0 | 26.2 | 26.7 | 25.1 | 23.8 | 23.1 | 22.7 |
| Average night temperature (°C) | 17.8 | 18.9 | 19.9 | 20.6 | 21.9 | 23.5 | 22.8 | 21.8 | 21.8 | 20.9 | 20.6 | 20.7 |
| Absolute minimum temperature (°C) | 14.9 | 16.9 | 18.9 | 18.7 | 20.2 | 22.0 | 20.2 | 20.3 | 20.5 | 18.7 | 18.9 | 18.3 |
| 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) | 11.8 | 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) | 8.6 | 8.7 | 9.2 | 10.3 | 9.3 | 10.6 | 9.3 | 10.8 | 8.5 | 7.8 | 7.6 | 6.4 |
| Precipitation (mm) | 153 | 153 | 139 | 85 | 56 | 13 | 46 | 39 | 60 | 311 | 356 | 348 |
| Sunny days | 4 | 2 | 5 | 8 | 9 | 15 | 12 | 10 | 3 | 1 | 0 | 0 |
| Rainy days | 27 | 26 | 26 | 22 | 22 | 15 | 19 | 21 | 27 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kalawala is at