Measurements:
°C
°F
St. Simons Island
48°F
S 11 mph
Feels like: 42°F
Precip: 0%
World Resorts USA St. Simons Island Weather

7 Day Weather Forecast

12.22
sun
DAY
50°F
SW 15 mph
precip
0%
NIGHT
50°F
SW 14 mph
precip
0%
12.23
mon
DAY
50°F
S 17 mph
precip
0%
NIGHT
46°F
S 8 mph
precip
0%
12.24
tue
DAY
52°F
S 6 mph
precip
0%
NIGHT
48°F
SW 6 mph
precip
0%
12.25
wed
DAY
62°F
SW 9 mph
precip
0%
NIGHT
58°F
SW 7 mph
precip
0%
12.26
thu
DAY
62°F
SW 12 mph
precip
0%
NIGHT
60°F
SW 11 mph
precip
0%
12.27
fri
DAY
64°F
SW 15 mph
precip
0%
NIGHT
60°F
SW 14 mph
precip
26%
12.28
sat
DAY
66°F
SW 11 mph
precip
100%
NIGHT
66°F
W 13 mph
precip
100%

St. Simons Island Sea Water Temperature in December, °F

Select Year: 2024 2023 2022

The average sea surface temperature in December 2024 for St. Simons Island was 14.7°F. The maximum and minimum values were 13.5°F and 17.7°F respectively.

St. Simons Island on the Weather Map

Best Time to Visit St. Simons Island
The most sunny months:
April 16 days
January 14 days
March 14 days
The most warm months:
July 92.5 °F
August 91.5 °F
June 90.1 °F
Warmest sea temperature:
August 88.9 °F
July 88.4 °F
September 85.8 °F
The most cold months:
January 62.7 °F
December 65.3 °F
February 67.2 °F
The most rainy months:
August 6 days
July 6 days
September 5 days
The most windy months:
April 6 mph
November 6 mph
March 6 mph