Average annual temperature is 26.7 °C
Absolute maximum temperature: 37.7 °C
Absolute minimum temperature: 18.2 °C
Number of sunny days: 84 days
Number of rainy days: 281 days
Look at detailed online map of Kalpe
* Weather data for Kalpe 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) | 29.3 | 31.1 | 34.4 | 36.0 | 35.4 | 34.8 | 37.4 | 37.7 | 35.1 | 33.6 | 31.8 | 31.2 |
| Average daytime temperature (°C) | 28.1 | 29.4 | 31.7 | 33.8 | 32.5 | 33.6 | 34.1 | 35.5 | 33.0 | 31.8 | 29.7 | 28.7 |
| Average temperature (°C) | 23.8 | 24.6 | 26.4 | 27.6 | 27.7 | 28.7 | 28.7 | 28.9 | 27.6 | 26.0 | 25.1 | 25.1 |
| Average night temperature (°C) | 20.7 | 21.0 | 22.8 | 23.6 | 24.7 | 25.4 | 25.3 | 24.9 | 24.3 | 23.1 | 22.6 | 22.8 |
| Absolute minimum temperature (°C) | 18.6 | 18.2 | 22.0 | 22.0 | 23.2 | 24.3 | 24.4 | 23.8 | 23.5 | 21.9 | 21.8 | 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 | 12.6 | 12.6 | 12.4 | 12.2 | 11.9 | 11.7 | 11.6 |
| 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) | 9.1 | 9.9 | 10.6 | 10.4 | 8.9 | 10.6 | 9.6 | 10.8 | 9.4 | 8.9 | 6.9 | 7.2 |
| Precipitation (mm) | 104 | 98 | 70 | 131 | 145 | 18 | 35 | 67 | 68 | 384 | 451 | 264 |
| Sunny days | 15 | 13 | 6 | 7 | 8 | 9 | 9 | 15 | 2 | 0 | 0 | 0 |
| Rainy days | 16 | 15 | 25 | 23 | 23 | 21 | 22 | 16 | 28 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kalpe is at