Myrtle Beach Temperatures: Averages by Month
The numbers here tell you how hot and cold the weather usually is in Myrtle Beach, South Carolina during each month of the year.
The average high and low temperatures are listed below monthly and annually for Myrtle Beach, in both degrees Fahrenheit and Celsius.
Maximums and minimums are only part of the temperature picture. To fill in the rest, there's information on how many days a month get above or below a given temperature.
To find out how often it rises over 70, 80 or 90 °F each month at Myrtle Beach, scroll down farther. There are also monthly and yearly counts of days with cold weather.
All the numbers are long-term historical averages based on climate data gathered from 1981 to 2010.
|High °F||Low °F||High °C||Low °C|
Days of Hot Weather in Myrtle Beach
Temperatures can climb to 90 °F or above anytime from May to September. A hot spell is also possible in April or October, although that rarely happens.
Even less common at Myrtle Beach are temperatures of a 100 °F or more. A day that hot is a once-in-a-decade event. July is the only month to expect heat this extreme.
How Often Myrtle Beach Has Cold Temperatures
Freezing nights occur at Myrtle Beach periodically from November to March. Occasionally frost arrives as early as October or as late as April.
On a rare day in December or January, the temperature remains below freezing all day long. But that kind of cold doesn't happen every year.
Only a few nights a year on average get as chilly as 20 °F (-8 °C). The coldest weather is most likely to show up in January, but is also possible in December or February.
National Climatic Data Center. NOAA's 1981-2010 Climate Normals.