Average annual temperature is 21.3 °C
Absolute maximum temperature: 30.6 °C
Absolute minimum temperature: 11.3 °C
Number of sunny days: 27 days
Number of rainy days: 338 days
Look at detailed online map of Boralanda
* Weather data for Boralanda 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) | 24.4 | 25.2 | 27.0 | 27.9 | 28.7 | 28.9 | 29.5 | 30.6 | 26.9 | 25.3 | 24.9 | 25.3 |
| Average daytime temperature (°C) | 23.3 | 24.0 | 24.9 | 26.0 | 26.3 | 27.5 | 27.3 | 28.6 | 25.4 | 24.1 | 24.0 | 23.8 |
| Average temperature (°C) | 19.2 | 19.8 | 20.6 | 21.4 | 22.1 | 22.9 | 22.7 | 23.0 | 21.4 | 20.7 | 20.5 | 20.6 |
| Average night temperature (°C) | 15.5 | 15.9 | 16.9 | 17.2 | 18.4 | 18.6 | 18.7 | 18.1 | 18.4 | 17.8 | 17.5 | 18.1 |
| Absolute minimum temperature (°C) | 11.3 | 12.0 | 15.9 | 15.3 | 16.4 | 17.4 | 17.2 | 16.5 | 16.9 | 15.7 | 15.4 | 16.2 |
| 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) | 9.1 | 9.2 | 9.4 | 10.0 | 8.7 | 10.2 | 9.6 | 10.9 | 8.1 | 6.9 | 7.1 | 7.4 |
| Precipitation (mm) | 68 | 117 | 116 | 118 | 174 | 146 | 87 | 95 | 187 | 388 | 557 | 320 |
| Sunny days | 8 | 6 | 1 | 1 | 2 | 1 | 3 | 2 | 1 | 0 | 0 | 2 |
| Rainy days | 23 | 22 | 30 | 29 | 29 | 29 | 28 | 29 | 29 | 31 | 30 | 29 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Boralanda is at