Annual Myrtle Beach Weather Summary
Sunny Days: 215
Overcast Days: 150
Frost Days: 42
Average air temperature: 64°
Average water temperature: 66°
Sunny summer days/month: 18
Sunny winter days/month: 15
Wettest months: July & August
Driest months: October & November
Hottest day: (105°) Aug. 22, 1983
Coldest day: (4°) Jan. 21,1985