Myrtle Beach Weather in June

June brings some hot weather to Myrtle Beach, South Carolina. But this month is less humid and rainy than the rest of summer.

This page gives detailed information on the typical June temperature, precipitation, sun, humidity and storms for Myrtle Beach. The temperature and rainfall numbers here are historical averages based on climate data gathered at Grand Strand Airport. The sunshine and humidity measurements are averages from Charleston International Airport.

Temperature Weather iconTemperature

85 °F June average high 29 °C
70 °F June average low 21 °C
28 days 80 °F max. or more (27 °C)
13 days 70 °F min. or less (21 °C)

Every June day usually has a temperature of over 70 degrees Fahrenheit (21 degrees Celsius) at Myrtle Beach. The city averages 4 days this month when the thermometer reaches into the 90s °F (over 32 °C). Temperatures above 100 °F (38 °C) are not expected here during June.

The thermometer dips to 60 °F (16 °C) or below on an average of 2 nights. But June usually does not get as cold as 50 °F (10 °C).

Rainy Weather iconRain

4.1 in total precipitation 103 mm
11 days of rain

Half the time, Myrtle Beach receives 2.6 to 4.9 inches (66 to 125 mm) of rainfall in June. One in four years has drier weather, while another one in four is wetter.

Sunny Weather iconSun

66 % sunshine
6 days clear skies

The sun's rays reach the ground in Myrtle Beach during 66 percent of daylight hours on average in June, for a total of 284 hours in the month. Typically on 6 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in June at this vacation destination averages 14 hours and 21 minutes a day. The longest days of the year, from around June 18th to 23rd, last 14 hours and 24 minutes from sunrise to sunset.

Humid Weather iconHumidity

75 % June average humidity

The relative humidity in Myrtle Beach during June usually peaks at 90 percent in the morning then drops to 58 percent by early afternoon.

Local Time1 am4 am7 am10 am1 pm4 pm7 pm10 pm
Humidity % 87 90 85 65 58 61 71 83

Stormy Weather iconStorms

3 days rainfall of 0.5 inches (13 mm) or more
6 % chance a named storm approaches

There's a 6 percent probability that a named tropical storm will approach within 100 miles (165 km) of Myrtle Beach during June, and a 1 percent chance of a category 1 or 2 hurricane. Major hurricanes are unlikely this time of year.


The weather data here are long-term averages provided by the US National Centers for Environmental Information (NCEI). Temperature and precipitation are 1991-2020 normals while humidity and thunderstorms are 1961-1990 normals. The named storm probabilities come from the Atlantic Oceanographic and Meteorological Laboratory, Hurricane Research Division.

Myrtle Beach Weather
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