It may be hard to believe but Myrtle Beach weather actually comes with four seasons. Winter temperatures are generally in the 50's with cold spells in the 30's. You can always count on a few 70 degree days in January and February. Summers are hot and humid with temps in the mid-80's to low 90's. Spring and fall are the best - temperatures in the 70's with low humidity. Perfect for golf and any outside activities.
(Based on 30 years of data)
Sunny days: 215
Days when maximum temperature is more than 90(Fahrenheit): 46
Days with .10 inches of rain or more: 72