Average annual temperature is 26.7 °C
Absolute maximum temperature: 39.7 °C
Absolute minimum temperature: 17.6 °C
Number of sunny days: 57 days
Number of rainy days: 308 days
Look at detailed online map of Pethiyagoda
* Weather data for Pethiyagoda 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) | 29.3 | 30.3 | 33.0 | 34.8 | 35.6 | 37.9 | 39.1 | 39.7 | 36.8 | 33.4 | 31.5 | 31.5 |
| Average daytime temperature (°C) | 27.5 | 28.4 | 30.0 | 32.4 | 33.0 | 35.9 | 35.1 | 37.7 | 34.1 | 31.0 | 29.8 | 28.7 |
| Average temperature (°C) | 23.6 | 24.4 | 25.5 | 26.9 | 27.8 | 29.9 | 29.6 | 30.0 | 27.6 | 25.7 | 25.1 | 24.9 |
| Average night temperature (°C) | 20.6 | 21.2 | 22.2 | 23.1 | 24.1 | 25.3 | 25.0 | 24.4 | 23.8 | 22.7 | 22.4 | 22.5 |
| Absolute minimum temperature (°C) | 17.6 | 17.9 | 21.3 | 22.0 | 23.2 | 23.8 | 23.3 | 23.2 | 22.5 | 21.5 | 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 | 12.5 | 12.5 | 12.5 | 12.4 | 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) | 8.0 | 8.7 | 9.0 | 10.2 | 9.4 | 10.7 | 9.6 | 10.9 | 8.5 | 8.2 | 7.2 | 6.5 |
| Precipitation (mm) | 199 | 150 | 161 | 97 | 99 | 43 | 23 | 75 | 155 | 429 | 513 | 536 |
| Sunny days | 6 | 5 | 6 | 5 | 8 | 5 | 13 | 6 | 2 | 1 | 0 | 0 |
| Rainy days | 25 | 23 | 25 | 25 | 23 | 25 | 18 | 25 | 28 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Pethiyagoda is at