Average annual temperature is 26.9 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: 18.7 °C
Number of sunny days: 76 days
Number of rainy days: 289 days
Look at detailed online map of Parasangaswewa
* Weather data for Parasangaswewa 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) | 29.6 | 31.6 | 34.6 | 35.7 | 34.6 | 34.4 | 37.6 | 37.6 | 34.8 | 33.8 | 32.1 | 31.2 |
| Average daytime temperature (°C) | 28.5 | 30.0 | 32.1 | 33.9 | 32.1 | 33.1 | 33.4 | 35.4 | 32.4 | 31.6 | 30.2 | 29.2 |
| Average temperature (°C) | 24.1 | 25.1 | 26.8 | 27.9 | 27.8 | 28.6 | 28.6 | 29.0 | 27.5 | 26.3 | 25.5 | 25.5 |
| Average night temperature (°C) | 21.0 | 21.4 | 23.2 | 24.2 | 25.0 | 25.6 | 25.5 | 25.2 | 24.4 | 23.5 | 23.0 | 23.1 |
| Absolute minimum temperature (°C) | 18.7 | 19.4 | 22.3 | 22.7 | 23.8 | 24.4 | 24.7 | 24.5 | 23.6 | 22.4 | 22.3 | 22.3 |
| 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) | 9.2 | 9.8 | 10.7 | 10.2 | 8.6 | 10.4 | 9.3 | 10.9 | 9.6 | 8.6 | 7.1 | 7.8 |
| Precipitation (mm) | 80 | 129 | 78 | 137 | 108 | 18 | 21 | 69 | 73 | 337 | 500 | 271 |
| Sunny days | 15 | 13 | 6 | 8 | 5 | 6 | 8 | 14 | 0 | 0 | 0 | 1 |
| Rainy days | 16 | 15 | 25 | 22 | 26 | 24 | 23 | 17 | 30 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Parasangaswewa is at