Average annual temperature is 27.7 °C
Absolute maximum temperature: 38.2 °C
Absolute minimum temperature: 21.9 °C
Number of sunny days: 86 days
Number of rainy days: 279 days
Look at detailed online map of Mamoolai
* Weather data for Mamoolai 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) | 28.2 | 29.4 | 32.7 | 36.2 | 36.5 | 38.2 | 37.4 | 37.3 | 36.2 | 34.5 | 30.4 | 32.0 |
| Average daytime temperature (°C) | 26.9 | 27.8 | 30.1 | 32.4 | 33.6 | 35.4 | 35.2 | 35.9 | 34.1 | 31.7 | 28.9 | 28.3 |
| Average temperature (°C) | 25.2 | 25.6 | 27.0 | 28.3 | 28.7 | 30.3 | 29.9 | 29.5 | 28.7 | 26.9 | 25.9 | 25.9 |
| Average night temperature (°C) | 23.6 | 23.7 | 24.5 | 25.0 | 25.6 | 26.9 | 26.6 | 25.8 | 25.7 | 24.1 | 23.6 | 24.0 |
| Absolute minimum temperature (°C) | 21.9 | 21.9 | 22.8 | 23.3 | 23.4 | 25.1 | 25.6 | 24.6 | 24.2 | 23.1 | 22.7 | 22.8 |
| 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 | 11.8 | 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) | 9.4 | 10.3 | 11.0 | 10.6 | 9.2 | 10.5 | 9.5 | 11.0 | 10.3 | 10.0 | 7.8 | 7.8 |
| Precipitation (mm) | 138 | 150 | 52 | 82 | 92 | 26 | 30 | 86 | 74 | 288 | 510 | 383 |
| Sunny days | 11 | 12 | 9 | 10 | 8 | 13 | 9 | 8 | 4 | 2 | 0 | 0 |
| Rainy days | 20 | 16 | 22 | 20 | 23 | 17 | 22 | 23 | 26 | 29 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Mamoolai is at