Myrtle Beach Weather


Average Temperatures and Average Monthly Precipitation

Month
High
Low
Water
Precipitation
January
56°
37°
50°
3.66"
February
60°
39°
52°
3.50"
March
68°
46°
57°
3.79"
April
76°
53°
62°
2.12"
May
83°
61°
69°
2.99"
June
88°
68°
77°
3.66"
July
91°
72°
81°
5.19"
August
89°
71°
83°
5.58"
September
85°
64°
80°
5.58"
October
77°
54°
73°
3.23"
November
69°
46°
65°
2.97"
December
60°
38°
55°
3.45"

Annual Weather Statistical Averages

Sunny Days
215
Overcast Days
150
Frost Days
42
Days when maximum temperature is more than 90 degrees
46
Days with .10 inches of rain or more
72
Average air temperature
64°
Average water temperature
66°
Average 1 p.m. relative humidity
57%
Number of sunny days during an average summer month
18
Number of sunny days during an average winter month
15
Wettest months
July & August
Driest months
October & November
Hottest day (105°)
Aug. 22, 1983
Coldest day (4°)
Jan. 21,1985