Average annual temperature is 27.1 °C
Absolute maximum temperature: 38.0 °C
Absolute minimum temperature: 19.4 °C
Number of sunny days: 81 days
Number of rainy days: 284 days
Look at detailed online map of Horowupotana Division
* Weather data for Horowupotana Division 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 | 34.9 | 37.2 | 35.5 | 35.7 | 37.3 | 38.0 | 35.7 | 33.9 | 31.8 | 31.6 |
| Average daytime temperature (°C) | 27.9 | 29.3 | 31.8 | 34.3 | 33.0 | 34.5 | 34.7 | 36.2 | 33.6 | 31.9 | 29.6 | 28.8 |
| Average temperature (°C) | 24.1 | 24.9 | 26.6 | 28.0 | 28.1 | 29.3 | 29.2 | 29.4 | 27.9 | 26.3 | 25.4 | 25.4 |
| Average night temperature (°C) | 21.3 | 21.7 | 23.3 | 24.2 | 25.1 | 25.8 | 25.7 | 25.2 | 24.7 | 23.5 | 23.2 | 23.3 |
| Absolute minimum temperature (°C) | 19.4 | 20.0 | 22.3 | 22.8 | 23.6 | 24.7 | 24.8 | 24.3 | 23.9 | 22.8 | 22.8 | 22.8 |
| 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) | 9.2 | 9.9 | 10.6 | 10.5 | 9.0 | 10.7 | 9.6 | 10.9 | 9.6 | 9.0 | 7.1 | 7.4 |
| Precipitation (mm) | 133 | 77 | 60 | 107 | 132 | 14 | 32 | 71 | 108 | 435 | 474 | 305 |
| Sunny days | 12 | 13 | 7 | 7 | 10 | 9 | 7 | 13 | 2 | 0 | 1 | 0 |
| Rainy days | 19 | 15 | 24 | 23 | 21 | 21 | 24 | 18 | 28 | 31 | 29 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Horowupotana Division is at