Average annual temperature is 27.1 °C
Absolute maximum temperature: 39.2 °C
Absolute minimum temperature: 18.9 °C
Number of sunny days: 44 days
Number of rainy days: 321 days
Look at detailed online map of Avaddaveli
* Weather data for Avaddaveli 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) | 29.1 | 29.7 | 33.1 | 35.5 | 36.3 | 37.8 | 39.2 | 38.8 | 36.2 | 33.1 | 31.7 | 31.1 |
| Average daytime temperature (°C) | 27.7 | 28.5 | 30.4 | 32.7 | 33.6 | 36.3 | 36.5 | 36.9 | 33.6 | 31.2 | 29.7 | 29.0 |
| Average temperature (°C) | 24.3 | 24.9 | 26.2 | 27.6 | 28.1 | 30.0 | 30.0 | 29.7 | 27.6 | 26.1 | 25.4 | 25.5 |
| Average night temperature (°C) | 21.4 | 21.7 | 22.9 | 23.7 | 24.2 | 25.3 | 25.5 | 24.9 | 24.2 | 23.3 | 22.9 | 23.1 |
| Absolute minimum temperature (°C) | 18.9 | 19.7 | 22.1 | 22.8 | 23.0 | 24.0 | 24.4 | 23.5 | 22.7 | 22.4 | 22.4 | 22.5 |
| 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 | 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) | 8.7 | 9.1 | 9.9 | 10.4 | 9.2 | 10.5 | 9.8 | 11.1 | 8.9 | 8.6 | 7.0 | 7.1 |
| Precipitation (mm) | 228 | 157 | 114 | 100 | 174 | 42 | 47 | 108 | 328 | 573 | 615 | 500 |
| Sunny days | 6 | 5 | 6 | 5 | 4 | 2 | 7 | 6 | 1 | 2 | 0 | 0 |
| Rainy days | 25 | 23 | 25 | 25 | 27 | 28 | 24 | 25 | 29 | 29 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Avaddaveli is at