Humid subtropical climate
Climate Saint Simons Island - Georgia
Annual high76ºF
Annual low60ºF
Precipitation45 inch
| Month | HighºF | LowºF | Precipinch |
|---|---|---|---|
| Jan | 60 | 43 | 3.22 |
| Feb | 63 | 46 | 3.47 |
| Mar | 69 | 52 | 3.88 |
| Apr | 75 | 58 | 2.49 |
| May | 82 | 67 | 1.86 |
| Jun | 87 | 73 | 4.84 |
| Jul | 90 | 75 | 4.08 |
| Aug | 89 | 75 | 6.27 |
| Sep | 85 | 72 | 5.76 |
| Oct | 78 | 62 | 4.46 |
| Nov | 70 | 53 | 2.03 |
| Dec | 63 | 45 | 2.64 |
- JanHigh 60ºFLow 43ºFPrecip 3.22 inch
- FebHigh 63ºFLow 46ºFPrecip 3.47 inch
- MarHigh 69ºFLow 52ºFPrecip 3.88 inch
- AprHigh 75ºFLow 58ºFPrecip 2.49 inch
- MayHigh 82ºFLow 67ºFPrecip 1.86 inch
- JunHigh 87ºFLow 73ºFPrecip 4.84 inch
- JulHigh 90ºFLow 75ºFPrecip 4.08 inch
- AugHigh 89ºFLow 75ºFPrecip 6.27 inch
- SepHigh 85ºFLow 72ºFPrecip 5.76 inch
- OctHigh 78ºFLow 62ºFPrecip 4.46 inch
- NovHigh 70ºFLow 53ºFPrecip 2.03 inch
- DecHigh 63ºFLow 45ºFPrecip 2.64 inch
Climate summary
What is the average weather in Saint Simons Island, Georgia?
Saint Simons Island experiences a humid subtropical climate, characterized by hot summers and cool winters. The area is fairly wet, with a moderate seasonal pattern that brings wetter conditions during the summer months. Heavy seasonal downpours or afternoon thunderstorms can sometimes occur during the warmer months, contributing to the overall precipitation.
Saint Simons Island weather averages
Annual high76ºF
Annual low60ºF
Precipitation45 inch
Daily normals Saint Simons Island - Georgia - January
| Day | HighºF | LowºF | Prec/ | Prec/ |
|---|---|---|---|---|
| Jan 1 | 60.5 | 42.6 | 0.08 | 0.08 |
| Jan 2 | 60.4 | 42.5 | 0.16 | 0.16 |
| Jan 3 | 60.4 | 42.5 | 0.28 | 0.28 |
| Jan 4 | 60.3 | 42.4 | 0.35 | 0.35 |
| Jan 5 | 60.3 | 42.4 | 0.43 | 0.43 |
| Jan 6 | 60.3 | 42.3 | 0.51 | 0.51 |
| Jan 7 | 60.2 | 42.3 | 0.59 | 0.59 |
| Jan 8 | 60.2 | 42.3 | 0.71 | 0.71 |
| Jan 9 | 60.2 | 42.2 | 0.79 | 0.79 |
| Jan 10 | 60.2 | 42.2 | 0.91 | 0.91 |
| Jan 11 | 60.2 | 42.2 | 1.02 | 1.02 |
| Jan 12 | 60.2 | 42.2 | 1.10 | 1.10 |
| Jan 13 | 60.2 | 42.2 | 1.22 | 1.22 |
| Jan 14 | 60.3 | 42.3 | 1.34 | 1.34 |
| Jan 15 | 60.3 | 42.3 | 1.42 | 1.42 |
| Jan 16 | 60.3 | 42.3 | 1.54 | 1.54 |
| Jan 17 | 60.4 | 42.4 | 1.61 | 1.61 |
| Jan 18 | 60.4 | 42.4 | 1.73 | 1.73 |
| Jan 19 | 60.4 | 42.5 | 1.85 | 1.85 |
| Jan 20 | 60.5 | 42.5 | 1.97 | 1.97 |
| Jan 21 | 60.5 | 42.6 | 2.05 | 2.05 |
| Jan 22 | 60.6 | 42.7 | 2.17 | 2.17 |
| Jan 23 | 60.6 | 42.8 | 2.28 | 2.28 |
| Jan 24 | 60.7 | 42.8 | 2.40 | 2.40 |
| Jan 25 | 60.8 | 42.9 | 2.52 | 2.52 |
| Jan 26 | 60.8 | 43.0 | 2.64 | 2.64 |
| Jan 27 | 60.9 | 43.1 | 2.76 | 2.76 |
| Jan 28 | 61.0 | 43.2 | 2.87 | 2.87 |
| Jan 29 | 61.1 | 43.3 | 2.99 | 2.99 |
| Jan 30 | 61.1 | 43.4 | 3.11 | 3.11 |
| Jan 31 | 61.2 | 43.6 | 3.23 | 3.23 |
Precipitation and snow add up through the month (/mo) and the year (/yr)
Weather history Saint Simons Island - May 2026
| Day | HighºF | LowºF | Precip.inch |
|---|---|---|---|
| May 1 | 82.0 | 70.0 | – |
| May 2 | 68.0 | 62.6 | – |
| May 3 | 69.8 | 55.4 | – |
| May 4 | 77.0 | 55.4 | – |
| May 5 | 78.8 | 62.6 | – |
| May 6 | 82.4 | 68.0 | – |
| May 7 | 84.2 | 71.6 | – |
| May 8 | 78.8 | 69.8 | – |
| May 9 | 80.6 | 69.8 | – |
| May 10 | 78.8 | 69.8 | – |
| May 11 | 91.4 | 71.6 | – |
| May 12 | 78.8 | 68.0 | – |
| May 13 | 77.0 | 68.0 | – |
| May 14 | 87.8 | 66.2 | – |
| May 15 | 78.8 | 60.8 | – |
| May 16 | 82.4 | 69.8 | – |
| May 17 | 84.2 | 75.2 | – |
| May 18 | 82.4 | 75.2 | – |
| May 19 | 82.4 | 73.4 | – |
| May 20 | 82.4 | 69.8 | – |
| May 21 | 84.2 | 71.6 | – |
| May 22 | – | – | – |
| May 23 | – | – | – |
| May 24 | – | – | – |
| May 25 | – | – | – |
| May 26 | – | – | – |
| May 27 | – | – | – |
| May 28 | – | – | – |
| May 29 | – | – | – |
| May 30 | – | – | – |
| May 31 | – | – | – |
The data for May 2026 is incomplete: some days or values are missing.
- –No data
- –Not yet observed or received
- TTrace, too small to measure
Observed extremes
- Highest max temperature91.4ºF · May 11
- Lowest max temperature68.0ºF · May 2
- Highest min temperature75.2ºF · May 17
- Lowest min temperature55.4ºF · May 3
Geo Saint Simons Island - Georgia
Location
- Country
- United States
- State
- Georgia
- County
- –
- City
- Saint Simons Island
- Zip Code
- 31522
- Elevation
- 16 ft
- Longitude
- -81.39
- Latitude
- 31.16
- ICAO
- –
- IATA
- –