Weatheo

Myrtle Beach Weather by Month

Average temperatures, rainfall and humidity for Myrtle Beach, United States, month by month, built from OpenWeather’s historical records. Use it to see what a typical Myrtle Beach month looks like before you travel — then check the live Myrtle Beach forecast for the days ahead.

Warmest month

July

31°C average high

Coolest month

January

4°C average low

Wettest month

September

125 mm of rain

Driest month

January

49 mm of rain

Average temperature and rainfall in Myrtle Beach by month

Averages of the daily highs and lows recorded in each month, with total rainfall, mean humidity and mean wind speed.

MonthAvg highAvg lowRecord low / highRainfallHumidityWind
January14°C4°C-11°C / 26°C
49 mm
72%12 km/h
February16°C6°C-10°C / 28°C
60 mm
73%13 km/h
March19°C9°C-5°C / 31°C
56 mm
69%14 km/h
April23°C13°C0°C / 31°C
56 mm
69%13 km/h
May27°C18°C5°C / 36°C
79 mm
74%12 km/h
June30°C22°C12°C / 36°C
74 mm
77%11 km/h
July31°C24°C17°C / 37°C
73 mm
79%11 km/h
August30°C23°C12°C / 37°C
114 mm
81%10 km/h
September28°C20°C10°C / 35°C
125 mm
81%11 km/h
October24°C15°C3°C / 33°C
70 mm
78%11 km/h
November19°C9°C-3°C / 28°C
56 mm
77%11 km/h
December16°C6°C-8°C / 26°C
60 mm
78%11 km/h

Best time to visit Myrtle Beach

The most comfortable time to visit Myrtle Beach is generally April to May and October, balancing mild daytime temperatures against the driest stretch of the year. The city has a moderate seasonal swing and rain concentrates around September, totalling about 874 mm a year.

Travellers who prefer heat should aim for July, when highs average 31°C. September is the month to avoid if rain would spoil your plans — it averages 125 mm, roughly 3× the rainfall of the driest month (January).

Source: OpenWeather historical and statistical weather data. Values are long-term averages, not a forecast — see the Myrtle Beach forecast for what is happening now.

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