Please click on any column to get detailed information about St. Simons Island weather in that particular month. You will get daily weather information for that month for the last several years.
Day & Night air temperature, °F
The warmest month in St. Simons Island is july. The average daily temp is 89.1°F. The average nightly temp is 77.5°F.
Sea water temperature, °F
The warmest sea temperature usually observed in August. Average daily sea water temperature during this month is 85.1°F.
Precipitation total, in.
Number of rainy days
This chart shows averages for the last three years. It shows medium and heavy rains only, it doesn't show light rains.
Wind speed, mph
Sunny, partly cloudy and cloudy days
Average sunny hours
Sunny hours are calculated based on the average daily number of hours while sunlight can reach the ground. It depends on day length and cloudiness during the day.
* Charts above show average data for the last 3 years.
sea water
temperature
temperature
| St. Simons Island |
14 days
forecast
forecast
| St. Simons Island |
current
weather
weather
| St. Simons Island |
7 days
forecast
forecast
| St. Simons Island |
Best time for vacation in St. Simons Island
St. Simons Island on a weather map
Places in USA:
Name
°F
24 Hours Forecast
St. Simons Island
Local time: 16:55
September 14, monday
1800
90°F
NW
6 mph
6 mph
2100
79°F
NW
4 mph
4 mph
September 15, tuesday
0000
79°F
NW
2 mph
2 mph
0300
77°F
SW
2 mph
2 mph
0600
75°F
SW
4 mph
4 mph
0900
84°F
W
7 mph
7 mph
1200
90°F
W
10 mph
10 mph
1500
90°F
W
12 mph
12 mph
