Average annual temperature is 24.4 °C
Absolute maximum temperature: 31.4 °C
Absolute minimum temperature: 17.8 °C
Number of sunny days: 7 days
Number of rainy days: 358 days
Look at detailed online map of Eratnagoda
* Weather data for Eratnagoda 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) | 28.3 | 29.7 | 30.1 | 31.4 | 29.8 | 28.3 | 28.3 | 28.9 | 28.1 | 28.5 | 28.9 | 29.2 |
| Average daytime temperature (°C) | 27.3 | 27.9 | 28.7 | 29.6 | 28.0 | 27.3 | 27.1 | 27.9 | 26.8 | 27.1 | 27.4 | 27.5 |
| Average temperature (°C) | 23.5 | 24.0 | 24.7 | 25.3 | 25.1 | 24.7 | 24.4 | 24.8 | 23.8 | 23.9 | 23.9 | 24.2 |
| Average night temperature (°C) | 20.3 | 20.7 | 21.6 | 22.3 | 23.0 | 22.9 | 22.4 | 22.4 | 22.1 | 21.9 | 21.5 | 21.8 |
| Absolute minimum temperature (°C) | 17.8 | 19.0 | 20.7 | 21.3 | 22.1 | 22.0 | 21.6 | 21.6 | 21.6 | 21.1 | 20.7 | 20.3 |
| 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) | 9.4 | 9.5 | 9.9 | 9.5 | 7.0 | 7.1 | 8.1 | 10.5 | 6.1 | 6.2 | 6.7 | 7.5 |
| Precipitation (mm) | 330 | 222 | 335 | 363 | 357 | 440 | 379 | 197 | 738 | 731 | 887 | 616 |
| Sunny days | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Rainy days | 28 | 25 | 31 | 30 | 31 | 30 | 31 | 31 | 30 | 31 | 30 | 30 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Eratnagoda during the most sunny months:
The largest precipitation sum in Eratnagoda is at