Average annual temperature is 26.6 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: 19.7 °C
Number of sunny days: 34 days
Number of rainy days: 331 days
Look at detailed online map of Halpanvila West
* Weather data for Halpanvila West 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) | 30.8 | 32.6 | 33.6 | 33.9 | 31.0 | 30.2 | 29.5 | 30.2 | 29.8 | 30.5 | 31.8 | 31.7 |
| Average daytime temperature (°C) | 29.5 | 30.5 | 31.3 | 30.8 | 29.7 | 29.2 | 28.7 | 29.2 | 28.4 | 28.7 | 29.5 | 29.9 |
| Average temperature (°C) | 25.0 | 25.9 | 27.1 | 27.4 | 27.7 | 27.5 | 27.1 | 27.2 | 26.3 | 25.8 | 25.6 | 26.2 |
| Average night temperature (°C) | 21.7 | 22.4 | 24.0 | 24.6 | 25.7 | 25.7 | 25.7 | 25.5 | 24.6 | 23.6 | 23.4 | 23.7 |
| Absolute minimum temperature (°C) | 19.7 | 20.6 | 23.0 | 23.5 | 23.9 | 24.3 | 24.3 | 24.0 | 23.8 | 22.4 | 22.6 | 22.9 |
| 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 | 9.8 | 10.7 | 10.4 | 9.3 | 10.2 | 9.9 | 10.9 | 8.1 | 8.1 | 7.6 | 8.0 |
| Precipitation (mm) | 77 | 72 | 141 | 181 | 239 | 223 | 140 | 82 | 421 | 336 | 587 | 310 |
| Sunny days | 17 | 13 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 2 |
| Rainy days | 14 | 15 | 30 | 30 | 31 | 30 | 30 | 31 | 30 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Halpanvila West is at