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.
The first set of high and low temperatures are averages for 2010 to 2019. Everything else here is based on 1991 to 2020 weather.
High °F | Low °F | High °C | Low °C | |
---|---|---|---|---|
56 | 36 | January | 13 | 2 |
59 | 40 | February | 15 | 4 |
65 | 45 | March | 18 | 7 |
72 | 54 | April | 22 | 12 |
80 | 64 | May | 27 | 18 |
86 | 71 | June | 30 | 22 |
88 | 74 | July | 31 | 23 |
87 | 73 | August | 30 | 23 |
84 | 69 | September | 29 | 21 |
76 | 57 | October | 25 | 14 |
66 | 45 | November | 19 | 7 |
61 | 42 | December | 16 | 5 |
73 | 56 | Year | 23 | 13 |
High °F | Low °F | High °C | Low °C | |
---|---|---|---|---|
56 | 37 | January | 13 | 3 |
58 | 40 | February | 15 | 4 |
65 | 45 | March | 18 | 7 |
72 | 53 | April | 22 | 12 |
79 | 62 | May | 26 | 17 |
85 | 70 | June | 29 | 21 |
88 | 74 | July | 31 | 23 |
87 | 73 | August | 30 | 23 |
83 | 68 | September | 28 | 20 |
76 | 56 | October | 24 | 14 |
66 | 46 | November | 19 | 8 |
59 | 40 | December | 15 | 4 |
73 | 55 | Year | 23 | 13 |
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.
Temperatures above 100 °F (38 °C) are not normal here.
70 °F 21 °C |
80 °F 27 °C |
90 °F 32 °C | |
---|---|---|---|
January | 2 | 0 | 0 |
February | 3 | 0 | 0 |
March | 9 | 1 | 0 |
April | 21 | 2 | 0 |
May | 30 | 15 | 1 |
June | 30 | 28 | 4 |
July | 31 | 31 | 8 |
August | 31 | 30 | 6 |
September | 30 | 25 | 2 |
October | 26 | 10 | 0 |
November | 12 | 1 | 0 |
December | 4 | 0 | 0 |
Year | 229 | 143 | 21 |
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.
Only two 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. No matter how cold it is at night, Myrtle Beach normally warms up to above freezing during the day.
32 °F 0 °C |
40 °F 4 °C |
50 °F 10 °C | |
---|---|---|---|
January | 12 | 20 | 28 |
February | 7 | 17 | 25 |
March | 3 | 10 | 21 |
April | 0 | 2 | 11 |
May | 0 | 0 | 2 |
June | 0 | 0 | 0 |
July | 0 | 0 | 0 |
August | 0 | 0 | 0 |
September | 0 | 0 | 0 |
October | 0 | 1 | 8 |
November | 3 | 10 | 21 |
December | 9 | 17 | 26 |
Year | 34 | 78 | 142 |
References
Jay Lawrimore, Ron Ray, Scott Applequist, Bryant Korzeniewski, Matthew Menne. 2016. Global Summary of the Month and Year, Version 1.0. NOAA National Centers for Environmental Information.
NOAA National Centers for Environmental Information (NCEI). Climate Normals.