The highest day temperature in January 2026 was 77°F. The lowest night temperature was 29°F. The average values for day and night temperatures during January were 60.4°F и 50.2°F respectivly.

The average sea surface temperature in January 2026 for St. George Island was 61.9°F. The maximum and minimum values were 57.8°F and 67.2°F respectively.

Most of the days in January are sunny but you can also expect cloudy and gloomy days.

Precipitation total in January for St. George Island is 1.2 in.

The average wind speed in January is 9.3 mph. This value is relatively stable throughout the year.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for St. George Island in January is 6.1 hours.