Average annual temperature is 26.3 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: 19.2 °C
Number of sunny days: 37 days
Number of rainy days: 328 days
Look at detailed online map of Halpane
* Weather data for Halpane 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 | 33.6 | 35.1 | 36.2 | 33.3 | 31.9 | 31.3 | 33.0 | 31.3 | 32.4 | 32.1 | 31.7 |
| Average daytime temperature (°C) | 30.0 | 31.3 | 33.1 | 33.6 | 30.9 | 30.3 | 29.8 | 31.6 | 29.0 | 29.8 | 30.3 | 30.0 |
| Average temperature (°C) | 25.0 | 25.9 | 27.1 | 27.4 | 27.2 | 26.7 | 26.5 | 27.3 | 25.5 | 25.5 | 25.5 | 25.9 |
| Average night temperature (°C) | 21.1 | 21.6 | 23.2 | 23.7 | 24.7 | 24.3 | 23.9 | 24.4 | 23.4 | 23.1 | 22.8 | 23.3 |
| Absolute minimum temperature (°C) | 19.2 | 19.3 | 22.6 | 22.5 | 23.2 | 22.4 | 22.2 | 23.4 | 22.4 | 22.3 | 22.3 | 22.5 |
| 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) | 9.5 | 9.5 | 10.2 | 9.9 | 9.0 | 9.6 | 9.2 | 10.8 | 7.4 | 7.3 | 7.2 | 7.8 |
| Precipitation (mm) | 91 | 93 | 162 | 178 | 185 | 161 | 182 | 50 | 348 | 437 | 636 | 315 |
| Sunny days | 15 | 13 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 1 | 0 | 2 |
| Rainy days | 16 | 15 | 30 | 30 | 31 | 30 | 31 | 26 | 30 | 30 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Halpane is at