Average annual temperature is 26.9 °C
Absolute maximum temperature: 38.1 °C
Absolute minimum temperature: 16.9 °C
Number of sunny days: 62 days
Number of rainy days: 303 days
Look at detailed online map of Thelulla
* Weather data for Thelulla 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) | 32.8 | 33.2 | 36.9 | 37.6 | 38.1 | 37.2 | 36.7 | 38.1 | 32.7 | 31.8 | 30.9 | 30.3 |
| Average daytime temperature (°C) | 30.7 | 30.7 | 32.7 | 34.0 | 33.0 | 35.5 | 34.4 | 36.3 | 31.1 | 30.0 | 29.6 | 28.9 |
| Average temperature (°C) | 25.4 | 25.7 | 26.8 | 27.4 | 27.8 | 29.5 | 28.8 | 29.5 | 26.4 | 25.1 | 24.8 | 25.2 |
| Average night temperature (°C) | 20.9 | 21.7 | 22.9 | 23.2 | 24.5 | 25.8 | 25.1 | 25.1 | 23.8 | 22.4 | 22.1 | 22.8 |
| Absolute minimum temperature (°C) | 16.9 | 19.8 | 21.5 | 21.9 | 23.0 | 24.6 | 22.6 | 23.3 | 22.8 | 21.4 | 20.9 | 21.7 |
| 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) | 9.6 | 9.9 | 9.9 | 9.6 | 9.3 | 10.8 | 10.1 | 11.1 | 9.2 | 7.8 | 7.7 | 8.1 |
| Precipitation (mm) | 66 | 89 | 140 | 158 | 211 | 32 | 32 | 35 | 165 | 356 | 503 | 304 |
| Sunny days | 16 | 10 | 3 | 1 | 5 | 5 | 10 | 8 | 1 | 0 | 0 | 3 |
| Rainy days | 15 | 18 | 28 | 29 | 26 | 25 | 21 | 23 | 29 | 31 | 30 | 28 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Thelulla is at