Average annual temperature is 22.5 °C
Absolute maximum temperature: 33.0 °C
Absolute minimum temperature: 14.2 °C
Number of sunny days: 26 days
Number of rainy days: 339 days
Look at detailed online map of Gallulla
* Weather data for Gallulla 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) | 24.3 | 25.2 | 28.2 | 28.9 | 29.7 | 30.3 | 32.4 | 33.0 | 28.5 | 27.2 | 26.6 | 26.6 |
| Average daytime temperature (°C) | 23.1 | 23.9 | 25.4 | 26.9 | 27.8 | 28.8 | 29.3 | 30.9 | 27.2 | 26.0 | 25.4 | 24.5 |
| Average temperature (°C) | 19.9 | 20.6 | 21.7 | 22.8 | 23.7 | 24.2 | 24.1 | 24.8 | 22.9 | 22.1 | 21.8 | 21.5 |
| Average night temperature (°C) | 17.0 | 17.7 | 18.8 | 19.3 | 20.4 | 20.5 | 19.9 | 19.9 | 19.9 | 19.4 | 19.3 | 19.5 |
| Absolute minimum temperature (°C) | 14.2 | 14.4 | 17.4 | 18.3 | 19.0 | 19.8 | 18.9 | 18.3 | 19.0 | 18.0 | 18.0 | 17.6 |
| 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) | 8.6 | 8.7 | 8.9 | 10.1 | 9.2 | 10.6 | 9.8 | 10.8 | 8.7 | 8.1 | 7.2 | 6.7 |
| Precipitation (mm) | 157 | 143 | 157 | 157 | 175 | 113 | 93 | 160 | 471 | 636 | 537 | 437 |
| Sunny days | 3 | 4 | 3 | 3 | 4 | 1 | 5 | 3 | 0 | 0 | 0 | 0 |
| Rainy days | 28 | 24 | 28 | 27 | 27 | 29 | 26 | 28 | 30 | 31 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gallulla is at