Average annual temperature is 27.4 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: 19.3 °C
Number of sunny days: 49 days
Number of rainy days: 316 days
Look at detailed online map of Mulliwadduvan
* Weather data for Mulliwadduvan 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) | 29.0 | 29.9 | 33.2 | 36.0 | 36.5 | 37.0 | 38.7 | 38.5 | 36.6 | 33.6 | 31.7 | 31.2 |
| Average daytime temperature (°C) | 27.7 | 28.6 | 30.5 | 32.8 | 33.6 | 35.8 | 35.7 | 36.7 | 33.7 | 31.5 | 29.8 | 29.1 |
| Average temperature (°C) | 24.7 | 25.3 | 26.6 | 27.8 | 28.4 | 30.3 | 30.2 | 29.9 | 28.1 | 26.3 | 25.7 | 25.8 |
| Average night temperature (°C) | 21.9 | 22.2 | 23.3 | 24.0 | 25.0 | 26.8 | 26.7 | 25.8 | 24.8 | 23.3 | 23.1 | 23.5 |
| Absolute minimum temperature (°C) | 19.3 | 19.7 | 22.5 | 22.6 | 23.4 | 25.0 | 25.0 | 24.1 | 22.8 | 22.3 | 22.3 | 22.9 |
| 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 | 12.5 | 12.4 | 12.2 | 11.9 | 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 | 9.6 | 10.3 | 10.7 | 9.4 | 10.8 | 9.5 | 11.0 | 9.4 | 9.0 | 7.6 | 8.0 |
| Precipitation (mm) | 189 | 125 | 96 | 90 | 177 | 32 | 43 | 65 | 266 | 446 | 498 | 407 |
| Sunny days | 6 | 6 | 5 | 6 | 6 | 5 | 6 | 7 | 1 | 1 | 0 | 0 |
| Rainy days | 25 | 22 | 26 | 24 | 25 | 25 | 25 | 24 | 29 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mulliwadduvan is at