Average annual temperature is 25.4 °C
Absolute maximum temperature: 32.6 °C
Absolute minimum temperature: 18.8 °C
Number of sunny days: 8 days
Number of rainy days: 357 days
Look at detailed online map of Opatha East
* Weather data for Opatha East 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) | 29.9 | 31.8 | 31.5 | 32.6 | 30.7 | 30.1 | 29.2 | 30.3 | 29.7 | 30.3 | 30.6 | 30.9 |
| Average daytime temperature (°C) | 28.6 | 29.4 | 30.2 | 30.7 | 29.0 | 28.4 | 28.2 | 29.1 | 27.8 | 28.0 | 28.7 | 28.8 |
| Average temperature (°C) | 24.4 | 24.9 | 25.7 | 26.2 | 26.2 | 25.7 | 25.5 | 25.9 | 24.8 | 24.9 | 25.1 | 25.3 |
| Average night temperature (°C) | 21.0 | 21.2 | 22.1 | 23.0 | 24.2 | 23.9 | 23.5 | 23.7 | 23.1 | 22.9 | 22.8 | 22.6 |
| Absolute minimum temperature (°C) | 18.8 | 19.2 | 20.2 | 20.9 | 23.0 | 22.5 | 22.1 | 22.4 | 22.5 | 21.8 | 21.2 | 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 | 12.4 | 12.3 | 12.2 | 12.0 | 11.8 | 11.8 |
| Daylight minimum duration (h) | 11.0 | 11.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 12.0 | 11.0 | 11.0 | 11.0 |
| Sunshine mean duration (h) | 9.1 | 9.1 | 9.6 | 9.6 | 7.7 | 8.9 | 8.3 | 10.5 | 6.0 | 5.7 | 6.5 | 7.1 |
| Precipitation (mm) | 193 | 222 | 173 | 240 | 241 | 198 | 278 | 173 | 678 | 615 | 568 | 445 |
| Sunny days | 2 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Rainy days | 29 | 24 | 30 | 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 Opatha East during the most sunny months:
The largest precipitation sum in Opatha East is at