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Saint Simons Island (GA)
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Weather in Saint Simons Island, Georgia for May 2026

Your guide to Saint Simons Island weather in May - trends and predictions

    Temperatures

  • Until now, May 2026 in Saint Simons Island is slightly cooler than the historical average by -1.5 °F.

  • The forecast for the next days in Saint Simons Island predicts temperatures to be around 28 °F, close to the historical average.

  • In general, the average temperature in Saint Simons Island at the beginning of May is 24.9 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 28.6 °F by the end of May.

    • Rain 🌧️

  • Saint Simons Island in May brings notable rainfall, with an average of 17 rainy days and a total precipitation of 231.1 mm.

    • More

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Average dry days
14
Dry days
Average rainy days
17
Rainy days
Average snowy days
0
Snow days
Average temperatures
27°/21°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
76 %
Avg humidity

Saint Simons Island Weather May

Move between months or click on a day
April
June
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Overcast
25°
2
Patchy rain possible
23°
3
Heavy rain at times
23°
4
Moderate rain at times
24°
5
Partly cloudy
26°
6
Partly cloudy
27°
7
Moderate or heavy rain shower
26°
8
Moderate or heavy rain shower
27°
9
Moderate or heavy rain shower
25°
10
Moderate or heavy rain shower
26°
11
Moderate or heavy rain shower
27°
12
Moderate or heavy rain shower
23°
13
Moderate rain at times
24°
14
Partly cloudy
28°
15
Sunny
28°
16
Overcast
30°
17
Cloudy
30°
18
Moderate or heavy rain shower
29°
19
Patchy rain possible
29°
20
Cloudy
30°
21
Moderate or heavy rain shower
32°
22
Sunny
31°
23
Partly cloudy
30°
24
Cloudy
28°
25
Thundery outbreaks possible
28°
26
Thundery outbreaks possible
30°
27
Fog
28°
28
Fog
28°
29
Thundery outbreaks possible
31°
30
Moderate rain
28°
31
Moderate rain
27°

Temperatures trend during May in Saint Simons Island

See the weather trend as well as the moving average line

May weather in Saint Simons Island day by day

Click on a date for more information
April June
Date Weather Temperatures Rain UV More
May 1 Overcast
Overcast
 25° /18° 0.4 mm 6
May 2 Patchy rain possible
Patchy rain possible
 23° /18° 15.6 mm 6
May 3 Heavy rain at times
Heavy rain at times
 23° /16° 1.4 mm 9
May 4 Moderate rain at times
Moderate rain at times
 24° /17° 2.1 mm 9
May 5 Partly cloudy
Partly cloudy
 26° /16° 0.1 mm 9
May 6 Partly cloudy
Partly cloudy
 27° /19° 0 mm 9
May 7 Moderate or heavy rain shower
Moderate or heavy rain shower
 26° /19° 10.3 mm 8
May 8 Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /20° 9.8 mm 9
May 9 Moderate or heavy rain shower
Moderate or heavy rain shower
 25° /20° 9.3 mm 7
May 10 Moderate or heavy rain shower
Moderate or heavy rain shower
 26° /20° 11 mm 6
May 11 Moderate or heavy rain shower
Moderate or heavy rain shower
 27° /21° 27.7 mm 9
May 12 Moderate or heavy rain shower
Moderate or heavy rain shower
 23° /21° 29.5 mm 4
May 13 Moderate rain at times
Moderate rain at times
 24° /20° 9 mm 6
May 14 Partly cloudy
Partly cloudy
 28° /19° 0 mm 10
May 15 Sunny
Sunny
 28° /18° 0 mm 10
May 16 Overcast
Overcast
 30° /20° 0.3 mm 10
May 17 Cloudy
Cloudy
 30° /21° 0.1 mm 10
May 18 Moderate or heavy rain shower
Moderate or heavy rain shower
 29° /23° 1 mm 9
May 19 Patchy rain possible
Patchy rain possible
 29° /21° 0.1 mm 9
May 20 Cloudy
Cloudy
 30° /21° 0 mm 10
May 21 Moderate or heavy rain shower
Moderate or heavy rain shower
 32° /23° 2.2 mm 7
May 22 Sunny
Sunny
 31° /22° 0.9 mm 10
May 23 Partly cloudy
Partly cloudy
 30° /22° 2.5 mm 7
May 24 Cloudy
Cloudy
 28° /22° 1.8 mm 7
May 25 Thundery outbreaks possible
Thundery outbreaks possible
 28° /23° 3.1 mm 8
May 26 Thundery outbreaks possible
Thundery outbreaks possible
 30° /24° 3.2 mm 6
May 27 Fog
Fog
 28° /23° 6.9 mm 6
May 28 Fog
Fog
 28° /23° 2.2 mm 7
May 29 Thundery outbreaks possible
Thundery outbreaks possible
 31° /24° 0 mm 7
May 30 Moderate rain
Moderate rain
 28° /23° 7.3 mm 9.3
May 31 Moderate rain
Moderate rain
 27° /22° 11.3 mm 6.2
Next
Important Notice
Our weather forecast for Saint Simons Island in May is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Saint Simons Island forecast closer to your planned date for the most up-to-date weather information.
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Saint Simons Island in May - FAQ

What are the expected maximum and minimum temperatures in Saint Simons Island during May?

During May, expect a variety of temperatures with highs around 27° and lows near 21°, suitable for diverse activities and preferences.

How much rainfall should be expected in Saint Simons Island during May?

Significant rainfall exceeding 231.1 mm is expected in Saint Simons Island during May, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Saint Simons Island during May?

The average wind speed in Saint Simons Island during May is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

May rainfall patterns in Saint Simons Island

Explore the daily rainfall trends and prepare for Saint Simons Islands May weather 💧
Typically, Saint Simons Island has 17 rainy days in May with a total of 231.1 mm of rainfall.

UV exposure in Saint Simons Island during May

Stay informed about UV levels for safe outdoor activities throughout the month of May ☀️

Quick links

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Location coordinates Where is Saint Simons Island?

Get accurate weather forecasts for Saint Simons Island, located at latitude 31.151 and longitude -81.37. Stay updated with localized weather information tailored for Saint Simons Island.

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