Average annual temperature is 27.0 °C
Absolute maximum temperature: 40.1 °C
Absolute minimum temperature: 17.8 °C
Number of sunny days: 39 days
Number of rainy days: 326 days
Look at detailed online map of Damanegama
* Weather data for Damanegama 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) | 29.4 | 30.6 | 33.2 | 35.3 | 36.1 | 37.7 | 39.3 | 40.1 | 35.8 | 32.4 | 31.7 | 32.0 |
| Average daytime temperature (°C) | 27.8 | 28.6 | 30.4 | 32.8 | 33.2 | 36.2 | 36.3 | 38.0 | 33.5 | 31.0 | 29.9 | 28.9 |
| Average temperature (°C) | 23.7 | 24.4 | 25.8 | 27.3 | 27.9 | 30.0 | 30.1 | 30.3 | 27.6 | 26.0 | 25.4 | 25.2 |
| Average night temperature (°C) | 20.4 | 21.0 | 22.2 | 23.1 | 23.8 | 25.4 | 25.7 | 25.1 | 24.0 | 23.0 | 22.7 | 22.8 |
| Absolute minimum temperature (°C) | 17.8 | 18.3 | 21.6 | 21.5 | 23.1 | 24.0 | 23.9 | 23.8 | 22.9 | 22.1 | 21.7 | 22.0 |
| 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 | 12.5 | 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 | 9.5 | 10.2 | 9.4 | 10.5 | 9.7 | 11.0 | 9.1 | 8.4 | 7.1 | 6.9 |
| Precipitation (mm) | 205 | 136 | 111 | 84 | 142 | 57 | 63 | 62 | 277 | 415 | 512 | 498 |
| Sunny days | 6 | 6 | 8 | 4 | 6 | 1 | 4 | 4 | 0 | 0 | 0 | 0 |
| Rainy days | 25 | 22 | 23 | 26 | 25 | 29 | 27 | 27 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Damanegama is at