Average annual temperature is 26.7 °C
Absolute maximum temperature: 39.8 °C
Absolute minimum temperature: 19.4 °C
Number of sunny days: 39 days
Number of rainy days: 326 days
Look at detailed online map of Miriswatta
* Weather data for Miriswatta 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 | 30.6 | 32.7 | 34.7 | 35.8 | 37.8 | 39.0 | 39.8 | 36.4 | 32.4 | 31.0 | 30.5 |
| Average daytime temperature (°C) | 27.6 | 28.2 | 29.7 | 31.9 | 32.6 | 35.7 | 36.1 | 38.1 | 33.3 | 30.4 | 29.3 | 28.4 |
| Average temperature (°C) | 24.0 | 24.5 | 25.5 | 26.9 | 27.5 | 29.2 | 29.1 | 30.2 | 27.5 | 25.5 | 24.9 | 24.8 |
| Average night temperature (°C) | 21.2 | 21.7 | 22.3 | 23.2 | 23.7 | 24.6 | 24.3 | 24.6 | 23.9 | 22.6 | 22.4 | 22.6 |
| Absolute minimum temperature (°C) | 19.4 | 19.5 | 21.4 | 22.1 | 22.6 | 24.0 | 22.9 | 23.7 | 22.6 | 21.4 | 21.6 | 21.5 |
| 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) | 11.8 | 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) | 9.0 | 8.9 | 9.4 | 10.0 | 9.3 | 10.4 | 9.6 | 10.8 | 9.3 | 8.3 | 7.3 | 6.9 |
| Precipitation (mm) | 125 | 181 | 132 | 91 | 156 | 58 | 53 | 62 | 181 | 403 | 458 | 502 |
| Sunny days | 7 | 5 | 4 | 4 | 8 | 2 | 5 | 4 | 0 | 0 | 0 | 0 |
| Rainy days | 24 | 23 | 27 | 26 | 23 | 28 | 26 | 27 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Miriswatta is at