Measurements:
°C
°F
St. Simons Island
84°F
SW 12 mph
Feels like: 86°F
Precip: 0%
World Resorts USA St. Simons Island Weather

7 Day Weather Forecast

06.04
thu
DAY
84°F
SW 12 mph
precip
0%
NIGHT
74°F
NW 7 mph
precip
1%
06.05
fri
DAY
84°F
W 11 mph
precip
0%
NIGHT
76°F
NW 7 mph
precip
2%
06.06
sat
DAY
84°F
NW 8 mph
precip
1%
NIGHT
76°F
NW 9 mph
precip
2%
06.07
sun
DAY
86°F
NW 6 mph
precip
1%
NIGHT
78°F
N 8 mph
precip
2%
06.08
mon
DAY
88°F
W 5 mph
precip
1%
NIGHT
80°F
NW 5 mph
precip
4%
06.09
tue
DAY
86°F
W 11 mph
precip
1%
NIGHT
80°F
W 9 mph
precip
12%
06.10
wed
DAY
82°F
W 11 mph
precip
73%
NIGHT
80°F
NW 9 mph
precip
7%

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

Select Year: 2025 2024 2023

The average sea surface temperature in June 2025 for St. Simons Island was 28.0°F. The maximum and minimum values were 26.8°F and 29.6°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
April 15 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
April 7 mph