Average annual temperature is 26.6 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: 15.9 °C
Number of sunny days: 70 days
Number of rainy days: 295 days
Look at detailed online map of Etiliwewa
* Weather data for Etiliwewa 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) | 32.6 | 32.6 | 37.3 | 37.4 | 37.3 | 36.5 | 35.3 | 37.3 | 32.3 | 31.0 | 30.2 | 30.0 |
| Average daytime temperature (°C) | 30.7 | 30.7 | 32.5 | 33.7 | 32.2 | 34.8 | 33.3 | 35.4 | 30.3 | 29.2 | 28.9 | 28.7 |
| Average temperature (°C) | 25.1 | 25.5 | 26.7 | 27.3 | 27.3 | 29.0 | 28.0 | 29.0 | 26.0 | 24.9 | 24.7 | 25.1 |
| Average night temperature (°C) | 20.1 | 20.7 | 22.5 | 23.1 | 23.8 | 24.9 | 24.0 | 24.3 | 23.3 | 22.3 | 22.0 | 22.4 |
| Absolute minimum temperature (°C) | 15.9 | 17.2 | 20.8 | 21.7 | 22.8 | 23.9 | 22.7 | 22.8 | 22.1 | 21.4 | 20.4 | 20.4 |
| 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 | 10.0 | 9.9 | 9.7 | 9.2 | 10.8 | 10.0 | 11.0 | 9.0 | 7.8 | 7.5 | 8.2 |
| Precipitation (mm) | 58 | 70 | 81 | 107 | 171 | 24 | 31 | 46 | 189 | 405 | 510 | 253 |
| Sunny days | 16 | 10 | 1 | 1 | 5 | 10 | 11 | 8 | 1 | 1 | 0 | 6 |
| Rainy days | 15 | 18 | 30 | 29 | 26 | 20 | 20 | 23 | 29 | 30 | 30 | 25 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Etiliwewa is at