St. Simons Island Weather: December
Average Day Temperature: | 65.3°F | |
Average Night Temperature: | 54.8°F | |
Sea Water Temperature: | 61.0°F | |
Number of Sunny Days: | 13 days | |
Sunshine Hours: | 10.1 - 10.3 hours | |
Number of Rainy Days: | 2 days | |
Precipitation Totals: | 0.9 in | |
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forecast
St. Simons Island |
Temperature
St. Simons Island |
Air Temperature in December, °F
The highest day temperature in December 2023 was 80°F. The lowest night temperature was 41°F. The average values for day and night temperatures during December were 62.2°F и 56.0°F respectivly.
St. Simons Island Water Sea Temperature in December, °F
The average sea surface temperature in December 2023 for St. Simons Island was 59.4°F. The maximum and minimum values were 54.0°F and 63.2°F respectively.
Most of the days in December are sunny but you can also expect cloudy and gloomy days.
Precipitation Totals in December, in
Precipitation total in December for St. Simons Island is 0.9 in. It makes december one of the least rainy months of the year.
The average wind speed in December is 6.0 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. Simons Island in December is 6.4 hours.
Boston | +56 | |
Chicago | +64 | |
Hawaii | +80 | |
Honolulu | +80 | |
Houston | +74 | |
Las Vegas | +44 | |
Los Angeles | +62 | |
Maui | +74 | |
Miami | +84 | |
New York | +62 | |
San Diego | +52 | |
San Francisco | +56 | |
Sarasota | +76 | |
Tampa | +78 | |
Washington | +62 |
1200 | 78°F | NW 11 mph |
1500 | 78°F | NW 11 mph |
1800 | 78°F | NW 9 mph |
2100 | 78°F | NW 11 mph |
0000 | 78°F | NW 11 mph |
0300 | 78°F | NW 9 mph |
0600 | 78°F | W 8 mph |
0900 | 80°F | W 11 mph |