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St Simons Island weather by month
Check out St Simons Island weather averages by month. Compare detailed monthly climate statistics including temperature, rainfall and sunshine figures.
Temperature in St Simons Island (°C)
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Max temperature (daytime) | 16 |
17 |
21 |
24 |
28 |
30 |
32 |
31 |
29 |
25 |
21 |
18 |
Min temperature (night-time) | 5 |
6 |
10 |
14 |
18 |
22 |
23 |
23 |
22 |
16 |
11 |
7 |
Heat & Humidity | 0 |
0 |
0 |
0 |
M |
H |
VH |
VH |
H |
L |
0 |
0 |
Sea temperature | 18 |
17 |
16 |
19 |
23 |
27 |
28 |
28 |
27 |
24 |
21 |
18 |
Note: 0 = None, L = Low, M = Moderate, H = High, VH = Very high, E = Extreme
Sunshine & Daylight in St Simons Island
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Daily hours of sunshine | ||||||||||||
Daily hours of daylight | 10 |
11 |
12 |
13 |
14 |
14 |
14 |
13 |
12 |
11 |
11 |
10 |
UV Index (Maximum) | 4 |
5 |
7 |
9 |
10 |
11 |
11 |
10 |
9 |
7 |
4 |
4 |
Rainfall in St Simons Island
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Number of days with some rain | 9 |
8 |
8 |
7 |
8 |
12 |
14 |
14 |
11 |
8 |
6 |
8 |
Average monthly rainfall (mm) | 85 |
91 |
100 |
69 |
89 |
130 |
149 |
169 |
179 |
90 |
66 |
72 |
More about St Simons Island
St Simons Island by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Georgia
The climate guide for Georgia (USA) (St Simons Island) shows long term monthly weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
What's the climate like in St Simons Island?
St Simons Island has a temperate climate with hot summers and some rainfall in all months.
Metric (°C / mm) | Imperial (°F / inches)
Tropical storm risk: St Simons Island, Georgia (USA) hurricane season
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Compare St Simons Island with the UK
Below the St Simons Island chart shows average maximum daytime temperature for St Simons Island, Georgia, USA and the UK (London).
Maximum daytime temperature (°C)
Metric (°C / mm) | Imperial (°F / inches)
Compare more St Simons Island weather >>
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