Average annual temperature is 23.0 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: 15.5 °C
Number of sunny days: 16 days
Number of rainy days: 349 days
Look at detailed online map of Gammedda
* Weather data for Gammedda 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) | 27.0 | 28.3 | 29.5 | 31.2 | 29.0 | 27.5 | 27.2 | 28.4 | 26.5 | 26.8 | 26.8 | 27.6 |
| Average daytime temperature (°C) | 25.7 | 26.6 | 27.9 | 28.8 | 26.9 | 26.5 | 25.6 | 27.0 | 25.1 | 25.4 | 25.7 | 25.4 |
| Average temperature (°C) | 21.7 | 22.4 | 23.3 | 24.0 | 23.9 | 23.8 | 23.2 | 23.7 | 22.4 | 22.4 | 22.5 | 22.5 |
| Average night temperature (°C) | 17.9 | 18.5 | 19.7 | 20.4 | 21.7 | 22.0 | 21.4 | 21.4 | 20.9 | 20.3 | 20.2 | 20.0 |
| Absolute minimum temperature (°C) | 15.5 | 16.3 | 18.3 | 18.2 | 19.9 | 20.7 | 20.5 | 20.5 | 19.8 | 18.8 | 19.3 | 18.4 |
| 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) | 11.8 | 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) | 9.5 | 9.3 | 9.7 | 9.8 | 8.1 | 9.6 | 8.6 | 10.7 | 6.5 | 6.6 | 6.9 | 7.4 |
| Precipitation (mm) | 105 | 163 | 161 | 131 | 210 | 136 | 211 | 81 | 429 | 634 | 627 | 400 |
| Sunny days | 7 | 3 | 1 | 1 | 2 | 0 | 0 | 1 | 0 | 1 | 0 | 0 |
| Rainy days | 24 | 25 | 30 | 29 | 29 | 30 | 31 | 30 | 30 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Gammedda during the most sunny months:
The largest precipitation sum in Gammedda is at