World Resorts USA Folly Beach Weather

Folly Beach weather in May

Weather in Folly Beach: May

Average day temperature: 78.1°F
Average night temperature: 68.7°F
Sea water temperature: 74.1°F
Number of sunny days: 13 days
Day length: 13.5 - 14.1 hours
Number of rainy days: 2 days
Precipitation totals: 1.0 in.

Air temperature in May, °F

Show year:
2026
2025
2024

The highest day temperature during May of 2026 was 83°F. At the same time the lowest night temperature was 52°F. Daily and nightly averages during May were 75.5°F and 69.5°F.

Sea water temperature in Folly Beach in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 73.9°F. The highest and lowest sea temperatures during the month were 81.9°F and 68.5°F.

Sunny, partly cloudy and cloudy days

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

Precipitation total in May, in.

Precipitation total value in Folly Beach in May is 1.0 in. Other months of the year show relatively similar values.

Wind speed in May, mph

The average wind speed value in May is 9.1 mph

Average sunny hours

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.

Best time for vacation in Folly Beach

Sunniest months:
October 17 days
April 16 days
January 14 days
Warmest months:
July 87.6 °F
August 85.7 °F
June 84.6 °F
Warmest sea temp:
July 84.2 °F
August 84.2 °F
September 80.9 °F
Coldest months:
January 55.5 °F
February 59.1 °F
December 59.3 °F
Rainiest months:
August 5 days
July 5 days
June 3 days
Windiest months:
March 10.0 mph
February 9.8 mph
January 9.6 mph

Folly Beach on a weather map

Folly Beach
+84°F
W 8 mph
Feels like: +97°F
Precip.: 10%
Places in USA:
Name
°F
+77°F
+79°F
+99°F
+75°F
+91°F
+88°F
+75°F
+86°F
+88°F
+70°F
+81°F
+79°F
+91°F
+91°F
+86°F
24 Hours Forecast
Folly Beach
Local time: 18:26
June 29, monday
2100
82°F
NW
7 mph
June 30, tuesday
0000
82°F
NW
5 mph
0300
81°F
W
6 mph
0600
79°F
SW
9 mph
0900
82°F
SW
12 mph
1200
86°F
W
14 mph
1500
84°F
W
16 mph
1800
84°F
W
14 mph
Units of measurement: °C / °F