Average annual temperature is 27.1 °C
Absolute maximum temperature: 38.8 °C
Absolute minimum temperature: 19.3 °C
Number of sunny days: 44 days
Number of rainy days: 321 days
Look at detailed online map of Kayanadimadu
* Weather data for Kayanadimadu 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) | 28.9 | 29.2 | 32.2 | 34.6 | 35.0 | 36.6 | 38.8 | 38.3 | 34.8 | 32.9 | 31.6 | 31.5 |
| Average daytime temperature (°C) | 27.5 | 28.0 | 29.7 | 31.6 | 32.4 | 35.2 | 36.0 | 35.6 | 33.0 | 30.4 | 29.2 | 28.7 |
| Average temperature (°C) | 24.5 | 25.0 | 26.2 | 27.6 | 28.0 | 29.5 | 29.9 | 29.8 | 27.5 | 26.2 | 25.7 | 25.7 |
| Average night temperature (°C) | 21.6 | 22.1 | 23.2 | 24.1 | 24.6 | 25.3 | 25.3 | 25.3 | 24.2 | 23.4 | 23.2 | 23.3 |
| Absolute minimum temperature (°C) | 19.3 | 19.7 | 22.3 | 22.7 | 23.1 | 24.3 | 24.0 | 23.7 | 23.0 | 22.8 | 22.5 | 22.4 |
| 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 | 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 | 9.3 | 9.8 | 10.6 | 9.6 | 10.6 | 9.9 | 11.1 | 9.5 | 9.2 | 8.0 | 8.1 |
| Precipitation (mm) | 204 | 159 | 127 | 84 | 168 | 80 | 55 | 62 | 395 | 495 | 607 | 410 |
| Sunny days | 6 | 3 | 6 | 5 | 6 | 2 | 5 | 7 | 1 | 2 | 1 | 0 |
| Rainy days | 25 | 25 | 25 | 25 | 25 | 28 | 26 | 24 | 29 | 29 | 29 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Kayanadimadu is at