Average annual temperature is 26.9 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 18.1 °C
Number of sunny days: 85 days
Number of rainy days: 280 days
Look at detailed online map of Poonewa
* Weather data for Poonewa 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) | 29.2 | 32.0 | 34.6 | 36.7 | 35.1 | 35.7 | 38.1 | 38.0 | 35.7 | 34.0 | 31.4 | 30.9 |
| Average daytime temperature (°C) | 28.0 | 29.5 | 32.1 | 34.0 | 32.4 | 33.9 | 34.1 | 36.0 | 33.0 | 31.7 | 29.8 | 28.7 |
| Average temperature (°C) | 23.9 | 24.8 | 26.6 | 27.7 | 27.8 | 28.9 | 28.9 | 29.3 | 27.7 | 26.2 | 25.2 | 25.3 |
| Average night temperature (°C) | 20.9 | 21.1 | 22.9 | 23.7 | 24.9 | 25.7 | 25.5 | 25.1 | 24.5 | 23.3 | 22.7 | 23.0 |
| Absolute minimum temperature (°C) | 18.1 | 19.1 | 22.0 | 22.2 | 23.2 | 24.6 | 24.6 | 24.1 | 23.7 | 22.3 | 22.1 | 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 | 12.6 | 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) | 9.3 | 10.1 | 10.7 | 10.3 | 8.7 | 10.5 | 9.7 | 10.8 | 9.9 | 8.7 | 7.1 | 7.7 |
| Precipitation (mm) | 72 | 137 | 79 | 147 | 89 | 17 | 33 | 77 | 84 | 311 | 515 | 265 |
| Sunny days | 17 | 15 | 6 | 7 | 5 | 10 | 9 | 14 | 1 | 0 | 0 | 1 |
| Rainy days | 14 | 13 | 25 | 23 | 26 | 20 | 22 | 17 | 29 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Poonewa is at