Average annual temperature is 22.8 °C
Absolute maximum temperature: 29.0 °C
Absolute minimum temperature: 15.3 °C
Number of sunny days: 3 days
Number of rainy days: 362 days
Look at detailed online map of Kottuna
* Weather data for Kottuna 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) | 26.3 | 27.6 | 27.9 | 29.0 | 28.1 | 26.7 | 26.4 | 26.9 | 25.9 | 26.9 | 26.9 | 27.3 |
| Average daytime temperature (°C) | 25.3 | 26.0 | 26.8 | 27.6 | 26.3 | 25.7 | 24.9 | 25.8 | 24.6 | 25.0 | 25.5 | 25.5 |
| Average temperature (°C) | 21.8 | 22.4 | 23.1 | 23.7 | 23.7 | 23.4 | 22.8 | 23.0 | 22.2 | 22.4 | 22.5 | 22.7 |
| Average night temperature (°C) | 18.2 | 18.9 | 19.9 | 20.6 | 21.9 | 21.9 | 21.3 | 21.1 | 20.9 | 20.5 | 20.2 | 20.4 |
| Absolute minimum temperature (°C) | 15.3 | 16.5 | 18.7 | 19.2 | 20.5 | 20.9 | 20.5 | 20.4 | 20.1 | 19.3 | 19.5 | 18.8 |
| 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) | 11.8 | 11.9 | 12.1 | 12.3 | 12.4 | 12.5 | 12.5 | 12.3 | 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) | 9.6 | 9.6 | 9.9 | 9.9 | 7.7 | 8.8 | 8.3 | 10.5 | 6.2 | 6.6 | 6.9 | 7.6 |
| Precipitation (mm) | 297 | 317 | 397 | 273 | 218 | 229 | 269 | 121 | 554 | 731 | 886 | 731 |
| Sunny days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 |
| Rainy days | 29 | 28 | 31 | 30 | 31 | 30 | 31 | 30 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kottuna is at