Average annual temperature is 26.9 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: 19.0 °C
Number of sunny days: 75 days
Number of rainy days: 290 days
Look at detailed online map of Horuwila
* Weather data for Horuwila 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) | 29.9 | 32.4 | 34.9 | 36.2 | 34.1 | 33.6 | 36.2 | 37.3 | 33.0 | 32.7 | 31.9 | 30.8 |
| Average daytime temperature (°C) | 28.8 | 30.3 | 32.6 | 33.8 | 31.7 | 32.3 | 32.3 | 34.9 | 31.3 | 31.0 | 30.2 | 29.4 |
| Average temperature (°C) | 24.4 | 25.3 | 27.0 | 27.9 | 27.9 | 28.5 | 28.3 | 29.0 | 27.2 | 26.2 | 25.6 | 25.7 |
| Average night temperature (°C) | 20.9 | 21.4 | 23.3 | 24.1 | 25.2 | 25.8 | 25.6 | 25.5 | 24.4 | 23.5 | 23.1 | 23.2 |
| Absolute minimum temperature (°C) | 19.0 | 19.5 | 21.9 | 23.0 | 23.4 | 24.5 | 24.4 | 24.7 | 23.3 | 22.5 | 22.7 | 22.7 |
| 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 11.9 | 11.7 | 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) | 9.2 | 9.8 | 10.7 | 10.4 | 9.0 | 10.6 | 9.7 | 11.1 | 9.6 | 8.7 | 7.2 | 7.8 |
| Precipitation (mm) | 76 | 90 | 72 | 102 | 116 | 31 | 38 | 11 | 100 | 287 | 398 | 255 |
| Sunny days | 15 | 14 | 5 | 5 | 1 | 5 | 8 | 20 | 0 | 1 | 0 | 1 |
| Rainy days | 16 | 14 | 26 | 25 | 30 | 25 | 23 | 11 | 30 | 30 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Horuwila is at