Downtown Myrtle Beach boasts a year-around average temperature of 17.0°C, peaking at 26.4°C in July, its warmest month, and dipping to an average low of 6.9°C in January, the coolest. Rainfall averages at 108.7mm annually, with July seeing the heaviest showers and November being the driest month.
Month![]() | Temperature (Celcius)![]() | Rainfall (mm)![]() |
January | 6.9 | 95.2 |
February | 8.6 | 95.2 |
March | 11.8 | 100.1 |
April | 16.1 | 77.5 |
May | 20.6 | 87.1 |
June | 24.6 | 114.8 |
July | 26.4 | 164.8 |
August | 25.8 | 157.2 |
September | 23.2 | 153.7 |
October | 17.9 | 87.9 |
November | 13.1 | 75.9 |
December | 8.5 | 95.2 |