Measurements:
°C
°F
St. Simons Island
86°F
E 7 mph
Feels like: 92°F
Precip: 0%
World Resorts USA St. Simons Island Weather

7 Day Weather Forecast

05.18
sat
DAY
84°F
E 6 mph
precip
100%
NIGHT
74°F
E 6 mph
precip
100%
05.19
sun
DAY
80°F
E 6 mph
precip
100%
NIGHT
72°F
SW 13 mph
precip
100%
05.20
mon
DAY
76°F
SW 11 mph
precip
87%
NIGHT
72°F
SW 7 mph
precip
0%
05.21
tue
DAY
80°F
SW 11 mph
precip
0%
NIGHT
72°F
W 7 mph
precip
0%
05.22
wed
DAY
84°F
W 6 mph
precip
64%
NIGHT
76°F
NW 9 mph
precip
0%
05.23
thu
DAY
86°F
NW 7 mph
precip
0%
NIGHT
78°F
N 7 mph
precip
0%
05.24
fri
DAY
88°F
N 8 mph
precip
0%
NIGHT
80°F
N 11 mph
precip
59%

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

Select Year: 2023 2022 2021

The average sea surface temperature in May 2023 for St. Simons Island was 24.0°F. The maximum and minimum values were 21.6°F and 25.9°F respectively.

St. Simons Island on the Weather Map

Best Time to Visit St. Simons Island
The most sunny months:
April 16 days
October 15 days
January 14 days
The most warm months:
July 92.7 °F
August 92.1 °F
June 90.1 °F
Warmest sea temperature:
August 89.1 °F
July 88.3 °F
September 85.9 °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
March 6 mph
January 6 mph