USA

St. Simons Island weather in May

Weather in St. Simons Island: May


	Average day temperature:	81.5°F
	Average night temperature:	68.3°F

	Sea water temperature:	75.6°F

	Number of sunny days:	12 days
	Day length:	13.4 - 14.0 hours

	Number of rainy days:	2 days
	Precipitation totals:	1.0 in.

more information

14 days
forecast

St. Simons Island

sea water
temperature

St. Simons Island

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2024

2023

2022

105

120

Day temperature

Night temperature

The highest day temperature during May of 2024 was 88°F. At the same time the lowest night temperature was 64°F. Daily and nightly averages during May were 81.9°F and 71.3°F.

Show year:

2024

2023

2022

The average sea water temperature in May of 2024 was 77.3°F. The highest and lowest sea temperatures during the month were 81.0°F and 72.1°F.

	Sunny days
	Partly cloudy days
	Cloudy days

38%

44%

19%

Mostly all days in May are partly cloudy but sunny or cloudy days are also possible.

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

3.9

1.9

2.9

2.5

1.6

1.1

1.3

1.9

2.9

2.5

1.6

1.0

1.1

1.3

Precipitation total value in St. Simons Island in May is 1.0 in. Other months of the year show relatively similar values.

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

6.0

5.6

5.2

6.1

6.6

6.4

6.6

6.7

6.5

6.1

6.0

5.6

5.2

6.1

6.2

6.6

6.4

6.6

6.7

The average wind speed value in May is 6.2 mph

jan

feb

mar

apr

may

jun

jul

aug

sep

oct

nov

dec

0.0

1.5

3.0

4.5

6.0

7.5

9.1

10.6

12.1

5.8

6.0

7.3

6.4

6.6

7.3

7.6

8.8

7.4

6.3

6.4

5.8

6.0

7.3

6.4

6.6

7.3

7.6

8.7

8.8

7.4

6.3

6.4

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in May is: 8.7.