Measurements:
°C
°F
CURRENT WEATHER
13:00
St. Simons Island
80°F
N 4 mph
Feels like: 82°F
Precip: 0%
World Resorts USA St. Simons Island

Annual Weather

St. Simons Island Air Temperature, °F

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
15
30
45
60
75
90
105
120
64.1
71.8
80.4
86.7
91.5
92.5
90.1
85.0
79.4
73.7
66.4
60.9
54.4
61.9
68.9
76.5
79.8
79.6
76.6
70.3
64.6
60.2
55.6
50.8
Day Temperature   
Night Temperature
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
15
30
45
60
75
90
105
120
60.6
69.8
77.1
85.8
88.9
88.4
84.3
78.4
71.5
64.3
57.6
56.7

Precipitation Totals, in

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
0.5
1.0
1.5
2.0
2.5
3.0
3.4
0.7
0.8
0.4
1.9
2.9
2.5
1.6
1
0.9
1.3
1
0.5

Rainy Days During the Year

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
1
2
3
4
5
6
7
1
1
1
5
6
6
3
2
2
3
2
1
Average Wind Speed, mph
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.2
2.3
3.5
4.6
5.8
6.9
8.1
9.2
6.7
6.5
6.1
6
5.6
5.2
6.1
6.2
6.4
6.4
6.6
6.7
Sunny, Cloudy and Gloomy Days
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0
5
10
15
20
25
30
35
9
9
8
13
11
7
8
6
6
9
9
9
10
9
8
10
15
18
16
14
10
9
9
8
13
11
14
8
5
6
6
12
14
14
10
14
Gloomy days   
Cloudy days   
Sunny days
Average Sunny Hours Per Day
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
0.0
1.5
3.0
4.4
5.9
7.4
8.9
10.4
6.1
6
7
6.2
6.5
7.5
7.5
8.6
8.4
7.3
6.2
6.3

We are using day length and cloud cover information for each day of the month to calculate averages for this chart.

Best Time to Visit St. Simons Island
The most sunny months:
January 14 days
March 14 days
April 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 60.9 °F
December 64.1 °F
February 66.4 °F
The most rainy months:
August 6 days
July 6 days
September 5 days
The most windy months:
December 6 mph
January 6 mph
February 6 mph
more details

St. Simons Island on the Weather Map

USA Resorts:
NAME
F°
Boston +56
Chicago +58
Hawaii +78
Honolulu +78
Houston +86
Las Vegas +70
Los Angeles +56
Miami +78
New York +64
Orlando +80
San Diego +60
San Francisco +48
Sarasota +80
Tampa +84
Washington +74
all resorts
24 Hours Weather Forecast
St. Simons Island
Local time: 13:00
01 may, thursday
1500 84°F
N
4 mph
1800 82°F
NW
8 mph
2100 76°F
NW
6 mph
02 may, friday
0000 72°F
NW
4 mph
0300 70°F
N
4 mph
0600 70°F
N
3 mph
0900 76°F
N
5 mph
1200 86°F
N
4 mph