Average annual temperature is 27.2 °C
Absolute maximum temperature: 39.1 °C
Absolute minimum temperature: 20.1 °C
Number of sunny days: 42 days
Number of rainy days: 323 days
Look at detailed online map of Koknahara
* Weather data for Koknahara 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) | 29.4 | 30.7 | 33.0 | 34.9 | 35.8 | 37.4 | 38.7 | 39.1 | 36.6 | 33.1 | 31.5 | 31.5 |
| Average daytime temperature (°C) | 28.0 | 28.5 | 30.3 | 32.2 | 33.0 | 35.6 | 35.7 | 37.4 | 33.8 | 30.9 | 29.8 | 29.0 |
| Average temperature (°C) | 24.4 | 24.9 | 26.2 | 27.5 | 28.2 | 29.5 | 29.3 | 30.3 | 28.1 | 26.3 | 25.7 | 25.5 |
| Average night temperature (°C) | 21.8 | 22.2 | 23.2 | 24.2 | 25.0 | 25.5 | 25.0 | 25.6 | 25.0 | 23.7 | 23.5 | 23.5 |
| Absolute minimum temperature (°C) | 20.1 | 20.2 | 22.0 | 23.1 | 24.0 | 24.7 | 23.5 | 24.4 | 23.8 | 23.0 | 22.7 | 22.6 |
| 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) | 8.9 | 9.3 | 9.7 | 10.4 | 9.6 | 10.7 | 9.6 | 11.0 | 9.5 | 8.8 | 8.0 | 7.3 |
| Precipitation (mm) | 153 | 129 | 135 | 88 | 114 | 83 | 34 | 52 | 192 | 339 | 450 | 452 |
| Sunny days | 8 | 7 | 4 | 3 | 8 | 2 | 3 | 6 | 1 | 0 | 0 | 0 |
| Rainy days | 23 | 21 | 27 | 27 | 23 | 28 | 28 | 25 | 29 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koknahara is at