Average annual temperature is 22.0 °C
Absolute maximum temperature: 31.8 °C
Absolute minimum temperature: 5.2 °C
Number of sunny days: 189 days
Number of rainy days: 176 days
Look at detailed online map of Saint George Island
* Weather data for Saint George Island United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 21.0 | 21.7 | 23.4 | 23.9 | 27.7 | 29.4 | 30.2 | 31.8 | 29.8 | 27.7 | 23.2 | 21.4 |
| Average daytime temperature (°C) | 17.6 | 18.8 | 20.7 | 22.6 | 25.0 | 27.2 | 29.2 | 30.8 | 28.6 | 24.6 | 20.6 | 17.0 |
| Average temperature (°C) | 15.6 | 17.3 | 19.0 | 21.2 | 23.7 | 26.0 | 28.2 | 29.6 | 27.1 | 22.8 | 18.3 | 15.1 |
| Average night temperature (°C) | 13.8 | 16.0 | 17.4 | 19.9 | 22.2 | 24.7 | 26.9 | 28.2 | 25.6 | 21.1 | 16.4 | 13.4 |
| Absolute minimum temperature (°C) | 5.2 | 6.1 | 5.8 | 14.1 | 18.5 | 22.1 | 25.1 | 25.5 | 22.8 | 14.1 | 8.8 | 7.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 14.0 | 14.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 |
| Daylight mean duration (h) | 10.5 | 11.1 | 12.0 | 12.9 | 13.6 | 14.0 | 13.8 | 13.2 | 12.3 | 11.5 | 10.7 | 10.3 |
| Daylight minimum duration (h) | 10.0 | 10.0 | 11.0 | 12.0 | 13.0 | 13.0 | 13.0 | 12.0 | 11.0 | 11.0 | 10.0 | 10.0 |
| Sunshine mean duration (h) | 8.0 | 9.0 | 9.9 | 9.9 | 11.9 | 11.5 | 11.4 | 11.7 | 10.3 | 9.9 | 7.5 | 6.4 |
| Precipitation (mm) | 129 | 68 | 37 | 118 | 61 | 237 | 118 | 150 | 136 | 43 | 71 | 221 |
| Sunny days | 18 | 20 | 22 | 13 | 18 | 9 | 9 | 7 | 8 | 25 | 22 | 18 |
| Rainy days | 13 | 8 | 9 | 17 | 13 | 21 | 22 | 24 | 22 | 6 | 8 | 13 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Saint George Island is at