Measurements:
°C
°F
Myrtle Beach
50°F
NW 7 mph
Feels like: 48°F
Precip: 88%
World Resorts USA Myrtle Beach Weather August Weather in Myrtle Beach

Myrtle Beach Weather: August

Average Day Temperature: 89.4°F
Average Night Temperature: 78.6°F
Sea Water Temperature: 86.7°F
Number of Sunny Days: 6 days
Sunshine Hours: 12.9 - 13.8 hours
Number of Rainy Days: 5 days
Precipitation Totals: 2.5 in

Air Temperature in August, °F

Select Year: 2025 2024 2023

The highest day temperature in August 2025 was 96°F. The lowest night temperature was 74°F. The average values for day and night temperatures during August were 87.7°F и 79.6°F respectivly.

Myrtle Beach Water Sea Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Myrtle Beach was 86.8°F. The maximum and minimum values were 85.4°F and 90.0°F respectively.

Sunny, Cloudy and Gloomy days

Most of the days in August are cloudy but you can also expect sunny or gloomy days.

Precipitation Totals in August, in

Precipitation total in August for Myrtle Beach is 2.5 in. It makes august the most rainy month of the year.

Wind Speed in August, mph

The average wind speed in August is 6.7 mph. This value is relatively stable throughout the year.

Average Sunny Hours Per Day

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Myrtle Beach in August is 6.7 hours.

Best Time to Visit Myrtle Beach
The most sunny months:
October 17 days
November 16 days
April 16 days
The most warm months:
July 91.2 °F
August 89.4 °F
June 87.9 °F
Warmest sea temperature:
August 86.7 °F
July 86.5 °F
September 83.7 °F
The most cold months:
January 54.3 °F
December 58.4 °F
February 59.3 °F
The most rainy months:
August 5 days
July 4 days
June 3 days
The most windy months:
March 9 mph
April 8 mph
February 8 mph

Myrtle Beach on the Weather Map

USA Resorts:
NAME
Chicago -2
Hawaii +78
Honolulu +78
Houston +44
Las Vegas +40
Los Angeles +52
Maui +72
Miami +72
Miami Beach +80
New York +18
San Diego +54
San Francisco +46
Sarasota +62
Tampa +62
Washington +28
24 Hours Weather Forecast
Myrtle Beach
Local time: 02:52
05 dec, friday
0300 50°F
NW
7 mph
0600 48°F
W
1 mph
0900 48°F
SW
4 mph
1200 46°F
W
5 mph
1500 44°F
S
6 mph
1800 44°F
S
7 mph
2100 42°F
S
7 mph
06 dec, saturday
0000 42°F
S
8 mph