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.

Average Myrtle Beach temperatures
High °F Low °F   High °C Low °C
55 34 January 13 1
58 36 February 15 2
64 42 March 18 6
72 50 April 22 10
79 59 May 26 15
85 67 June 29 20
88 71 July 31 22
87 70 August 31 21
84 64 September 29 18
76 53 October 24 11
68 43 November 20 6
59 36 December 15 2
73 52 Year 23 11

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.

Days per month in Myrtle Beach of at least 70, 80 or 90 °F
  70 °F
21 °C
80 °F
27 °C
90 °F
32 °C
January 1 0 0
February 2 0 0
March 2 1 0
April 19 3 0
May 30 14 1
June 30 26 4
July 31 30 8
August 31 30 6
September 30 24 2
October 25 9 0
November 14 1 0
December 3 0 0
Year 222 138 20

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.

Days per month on average in Myrtle Beach when the minimum temperature drops to 32, 40, or 50 °F or below
  32 °F
0 °C
40 °F
4 °C
50 °F
10 °C
January 13 23 30
February 9 20 26
March 4 13 25
April 0 4 15
May 0 0 4
June 0 0 0
July 0 0 0
August 0 0 0
September 0 0 1
October 0 3 12
November 3 11 23
December 11 21 28
Year 41 95 163
Reference

National Climatic Data Center. NOAA's 1981-2010 Climate Normals.

Myrtle Beach Weather
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