Average annual temperature is 27.4 °C
Absolute maximum temperature: 39.3 °C
Absolute minimum temperature: 18.3 °C
Number of sunny days: 59 days
Number of rainy days: 306 days
Look at detailed online map of Gallalla East
* Weather data for Gallalla East 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) | 29.5 | 31.1 | 34.1 | 35.8 | 36.4 | 36.7 | 38.2 | 39.3 | 37.2 | 33.5 | 31.5 | 31.3 |
| Average daytime temperature (°C) | 28.4 | 29.3 | 31.2 | 33.6 | 33.4 | 35.2 | 35.0 | 37.3 | 34.4 | 31.8 | 30.0 | 29.3 |
| Average temperature (°C) | 24.2 | 24.9 | 26.4 | 27.8 | 28.4 | 30.2 | 30.0 | 30.6 | 28.7 | 26.4 | 25.6 | 25.5 |
| Average night temperature (°C) | 20.8 | 21.6 | 23.0 | 23.9 | 25.1 | 27.0 | 26.7 | 26.2 | 25.3 | 23.4 | 23.0 | 23.0 |
| Absolute minimum temperature (°C) | 18.3 | 19.2 | 22.0 | 22.6 | 23.5 | 25.8 | 25.6 | 24.3 | 23.2 | 22.3 | 22.5 | 21.8 |
| 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 | 11.9 | 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) | 9.0 | 9.3 | 10.0 | 10.4 | 9.3 | 10.8 | 9.8 | 10.9 | 9.7 | 8.7 | 7.2 | 7.2 |
| Precipitation (mm) | 139 | 113 | 87 | 78 | 118 | 27 | 29 | 56 | 83 | 343 | 482 | 429 |
| Sunny days | 8 | 7 | 7 | 7 | 7 | 5 | 9 | 7 | 1 | 1 | 0 | 0 |
| Rainy days | 23 | 21 | 24 | 23 | 24 | 25 | 22 | 24 | 29 | 30 | 30 | 31 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Gallalla East is at