Measurements:
°C
°F
CURRENT WEATHER
16:59
St. Simons Island
72°F
W 7 mph
Feels like: 72°F
Precip: 0%
World Resorts USA St. Simons Island Weather

7 Day Weather Forecast

03.13
fri
DAY
68°F
W 7 mph
precip
0%
NIGHT
62°F
NW 6 mph
precip
0%
03.14
sat
DAY
66°F
SW 7 mph
precip
0%
NIGHT
64°F
W 9 mph
precip
0%
03.15
sun
DAY
72°F
NW 7 mph
precip
0%
NIGHT
70°F
N 13 mph
precip
0%
03.16
mon
DAY
74°F
N 16 mph
precip
0%
NIGHT
52°F
SE 14 mph
precip
0%
03.17
tue
DAY
46°F
SE 11 mph
precip
0%
NIGHT
44°F
S 10 mph
precip
0%
03.18
wed
DAY
54°F
SW 10 mph
precip
0%
NIGHT
54°F
SW 9 mph
precip
66%
03.19
thu
DAY
60°F
SW 12 mph
precip
0%
NIGHT
56°F
SW 7 mph
precip
0%

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

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for St. Simons Island was 15.9°F. The maximum and minimum values were 13.8°F and 19.4°F respectively.

St. Simons Island on the Weather Map

Best Time to Visit St. Simons Island
The most sunny months:
January 15 days
October 15 days
March 14 days
The most warm months:
July 92.6 °F
August 91.0 °F
June 90.1 °F
Warmest sea temperature:
August 89.0 °F
July 88.4 °F
September 85.5 °F
The most cold months:
January 60.4 °F
December 63.8 °F
February 65.7 °F
The most rainy months:
August 5 days
July 5 days
September 4 days
The most windy months:
February 7 mph
January 7 mph
December 6 mph
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