Average annual temperature is 27.7 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: 19.0 °C
Number of sunny days: 114 days
Number of rainy days: 251 days
Look at detailed online map of Thettapiddy
* Weather data for Thettapiddy 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) | 30.4 | 32.1 | 34.3 | 36.9 | 34.8 | 35.1 | 35.0 | 35.3 | 33.8 | 33.9 | 31.8 | 30.3 |
| Average daytime temperature (°C) | 28.3 | 29.7 | 32.3 | 34.1 | 32.0 | 32.8 | 33.1 | 34.0 | 32.4 | 31.3 | 29.6 | 28.9 |
| Average temperature (°C) | 24.7 | 25.3 | 27.6 | 28.8 | 29.0 | 29.7 | 29.5 | 29.7 | 29.0 | 27.4 | 25.9 | 26.1 |
| Average night temperature (°C) | 21.7 | 21.8 | 24.1 | 24.8 | 26.5 | 27.5 | 27.0 | 26.6 | 26.4 | 24.5 | 23.5 | 24.0 |
| Absolute minimum temperature (°C) | 19.0 | 19.2 | 23.2 | 23.1 | 24.1 | 26.3 | 26.3 | 25.7 | 25.1 | 23.0 | 23.1 | 23.5 |
| 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) | 11.7 | 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 | 10.4 | 11.0 | 10.8 | 9.2 | 10.5 | 9.7 | 11.1 | 10.5 | 9.8 | 7.2 | 8.1 |
| Precipitation (mm) | 65 | 110 | 47 | 101 | 92 | 38 | 21 | 11 | 34 | 172 | 454 | 225 |
| Sunny days | 16 | 15 | 6 | 4 | 12 | 15 | 17 | 23 | 4 | 1 | 0 | 1 |
| Rainy days | 15 | 13 | 25 | 26 | 19 | 15 | 14 | 8 | 26 | 30 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Thettapiddy is at