Average annual temperature is 27.0 °C
Absolute maximum temperature: 38.7 °C
Absolute minimum temperature: 19.1 °C
Number of sunny days: 40 days
Number of rainy days: 325 days
Look at detailed online map of Koppavely
* Weather data for Koppavely 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) | 29.2 | 30.0 | 33.8 | 35.3 | 36.4 | 37.6 | 38.6 | 38.7 | 36.4 | 33.2 | 32.1 | 31.7 |
| Average daytime temperature (°C) | 27.9 | 28.7 | 30.7 | 33.0 | 33.7 | 36.0 | 36.0 | 36.9 | 34.0 | 31.6 | 29.9 | 29.1 |
| Average temperature (°C) | 24.1 | 24.8 | 26.2 | 27.6 | 28.1 | 29.4 | 29.4 | 29.6 | 27.5 | 26.1 | 25.4 | 25.3 |
| Average night temperature (°C) | 21.2 | 21.7 | 23.0 | 23.9 | 24.6 | 25.3 | 24.9 | 25.0 | 24.2 | 23.5 | 23.1 | 23.1 |
| Absolute minimum temperature (°C) | 19.1 | 19.1 | 22.5 | 22.5 | 23.7 | 24.1 | 24.1 | 23.6 | 22.9 | 22.8 | 22.7 | 22.2 |
| 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) | 11.7 | 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) | 8.8 | 9.1 | 9.7 | 10.4 | 9.3 | 10.6 | 9.9 | 11.1 | 9.1 | 8.6 | 7.0 | 7.1 |
| Precipitation (mm) | 217 | 145 | 109 | 96 | 176 | 79 | 43 | 89 | 286 | 494 | 539 | 475 |
| Sunny days | 5 | 6 | 5 | 2 | 8 | 3 | 4 | 4 | 1 | 2 | 0 | 0 |
| Rainy days | 26 | 22 | 26 | 28 | 23 | 27 | 27 | 27 | 29 | 29 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Koppavely is at