Myrtle Beach Average Monthly Temperatures

Spring Temperatures
March, April, May

Average Air Temperature | Average Ocean Temperature

March

April

May

68° | 56°

76° | 66°

83° | 71°

Summer Temperatures
June, July, August

Average Air Temperature | Average Ocean Temperature

June

July

August

88° | 78°

91° | 83°

89° | 80°

Fall Temperatures
September, October, November

Average Air Temperature | Average Ocean Temperature

September

October

November

85° | 77°

77° | 72°

69° | 60°

Winter Temperatures
December, January, February

Average Air Temperature | Average Ocean Temperature

December

January

February

60° | 50°

56° | 51°

60° | 51°

More Weather Averages

Days of Sunshine: 215 | Days Overcast: 150 | Days of Rain: 77 | Average Annual Air Temperature: 64 | Average Annual Ocean Temperature: 66 | Average Number of Days that Temperatures are 90 degrees or above: 65