Average annual temperature is 27.3 °C
Absolute maximum temperature: 38.3 °C
Absolute minimum temperature: 18.6 °C
Number of sunny days: 51 days
Number of rainy days: 314 days
Look at detailed online map of Bo-Atta
* Weather data for Bo-Atta 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) | 29.5 | 30.9 | 34.0 | 36.2 | 36.2 | 37.0 | 37.5 | 38.3 | 36.6 | 33.7 | 31.6 | 32.3 |
| Average daytime temperature (°C) | 28.2 | 29.2 | 31.1 | 33.6 | 33.7 | 35.5 | 34.9 | 36.7 | 34.0 | 31.8 | 30.1 | 29.3 |
| Average temperature (°C) | 24.3 | 25.0 | 26.4 | 27.8 | 28.4 | 30.3 | 30.0 | 29.9 | 28.4 | 26.3 | 25.6 | 25.6 |
| Average night temperature (°C) | 21.0 | 21.6 | 23.0 | 23.9 | 25.0 | 26.9 | 26.6 | 25.7 | 25.0 | 23.4 | 23.2 | 23.2 |
| Absolute minimum temperature (°C) | 18.6 | 19.1 | 22.2 | 22.3 | 23.3 | 25.7 | 24.7 | 24.2 | 23.0 | 22.4 | 22.2 | 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) | 11.7 | 11.9 | 12.1 | 12.3 | 12.5 | 12.6 | 12.5 | 12.4 | 12.2 | 11.9 | 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) | 8.9 | 9.4 | 10.0 | 10.5 | 9.3 | 10.8 | 9.7 | 10.8 | 9.4 | 8.5 | 7.0 | 7.4 |
| Precipitation (mm) | 157 | 129 | 73 | 112 | 143 | 18 | 23 | 62 | 141 | 458 | 545 | 442 |
| Sunny days | 9 | 9 | 4 | 2 | 5 | 5 | 9 | 6 | 1 | 1 | 0 | 0 |
| Rainy days | 22 | 19 | 27 | 28 | 26 | 25 | 22 | 25 | 29 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Bo-Atta is at