Average annual temperature is 25.8 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: 18.7 °C
Number of sunny days: 35 days
Number of rainy days: 330 days
Look at detailed online map of Humbuluwa West
* Weather data for Humbuluwa 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) | 31.5 | 33.5 | 34.6 | 35.5 | 32.8 | 31.1 | 30.7 | 32.5 | 30.8 | 31.8 | 31.5 | 31.8 |
| Average daytime temperature (°C) | 29.7 | 31.0 | 32.6 | 33.1 | 30.5 | 29.7 | 29.3 | 31.0 | 28.5 | 29.3 | 30.0 | 29.8 |
| Average temperature (°C) | 24.6 | 25.5 | 26.6 | 26.9 | 26.7 | 26.2 | 26.0 | 26.8 | 25.1 | 25.0 | 25.0 | 25.5 |
| Average night temperature (°C) | 20.7 | 21.1 | 22.7 | 23.2 | 24.4 | 23.8 | 23.5 | 23.9 | 23.0 | 22.6 | 22.2 | 22.8 |
| Absolute minimum temperature (°C) | 19.0 | 18.7 | 21.8 | 21.8 | 22.8 | 22.3 | 21.8 | 23.0 | 22.0 | 21.7 | 20.9 | 21.7 |
| 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 | 12.5 | 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) | 9.4 | 9.6 | 10.2 | 9.9 | 9.0 | 9.4 | 9.1 | 10.7 | 7.2 | 7.1 | 7.1 | 7.8 |
| Precipitation (mm) | 100 | 86 | 159 | 151 | 178 | 168 | 247 | 48 | 371 | 446 | 618 | 328 |
| Sunny days | 16 | 12 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 3 |
| Rainy days | 15 | 16 | 30 | 30 | 31 | 30 | 31 | 29 | 30 | 30 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Humbuluwa West is at