Measurements:
°C
°F
CURRENT WEATHER
09:39
St. Simons Island
72°F
NW 7 mph
Feels like: 72°F
Precip: 0%
World Resorts USA St. Simons Island Weather

7 Day Weather Forecast

04.03
fri
DAY
78°F
NW 9 mph
precip
0%
NIGHT
70°F
NW 9 mph
precip
0%
04.04
sat
DAY
70°F
NW 8 mph
precip
0%
NIGHT
68°F
N 11 mph
precip
0%
04.05
sun
DAY
74°F
N 8 mph
precip
0%
NIGHT
68°F
NE 7 mph
precip
0%
04.06
mon
DAY
68°F
SW 15 mph
precip
62%
NIGHT
64°F
SW 16 mph
precip
100%
04.07
tue
DAY
62°F
SW 15 mph
precip
0%
NIGHT
62°F
SW 19 mph
precip
0%
04.08
wed
DAY
60°F
SW 25 mph
precip
0%
NIGHT
58°F
SW 23 mph
precip
0%
04.09
thu
DAY
58°F
SW 24 mph
precip
0%
NIGHT
62°F
SW 21 mph
precip
70%

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

Select Year: 2025 2024 2023

The average sea surface temperature in April 2025 for St. Simons Island was 21.9°F. The maximum and minimum values were 19.2°F and 24.5°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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