Hilton Head Island Weather in June

Although June is one of the sunnier months at Hilton Head Island, the weather does turn wetter as summer approaches.

This page gives detailed information on the typical June weather for Hilton Head Island, South Carolina. The temperature and rainfall numbers here are historical averages based on climate data gathered at Hilton Head Island. The humidity and sunshine measurements are averages from the Savannah / Hilton Head International Airport.

Temperature Weather iconTemperature

86 °F June average high 30 °C
71 °F June average low 22 °C

In most years, Hilton Head Island averages a daily maximum temperature for June that's between 84 and 89 degrees Fahrenheit (29 to 31 degrees Celsius). The minimum temperature usually falls between 69 and 73 °F (20 to 23 °C).

The days at Hilton Head Island continue to get hotter during June. By the end of the month, the temperature has climbed around 4 °F (2 °C) above what it was at the start.

6 days 90 °F max. or more (32 °C)
10 days 70 °F min. or less (21 °C)

The temperature rises nearly every day in June to over 80 °F (27 °C) at Hilton Head. Temperatures into the 100s °F (over 38 °C) occur here only about once a decade this time of year.

The thermometer dips to 60 °F (16 °C) or below on an average of 2 nights. But June does not normally get as cold as 40 °F (4 °C).

Rainy Weather iconRain

4.5 in total precipitation 114 mm
10 days of rain

Half the time, Hilton Head Island receives 2.5 to 6 inches (62 to 164 mm) of rainfall in June. One in four years has drier weather, while another one in four is wetter.

Sunny Weather iconSun

65 % sunshine
7 days clear skies

The sun's rays reach the ground in Hilton Head Island during 65 percent of daylight hours on average in June, for a total of 278 hours in the month. Typically on 7 days this month the sky is mainly clear, with at most 30 percent cloud cover.

Sunlight in June at the resort town averages 14 hours and 13 minutes a day. The longest days of the year, from around June 18th to 23rd, last 14 hours and 16 minutes from sunrise to sunset.

Humid Weather iconHumidity

74 % June average humidity

The relative humidity in Hilton Head Island during June usually peaks at 89 percent in the morning then drops to 55 percent by early afternoon.

Local Time1 am4 am7 am10 am1 pm4 pm7 pm10 pm
Humidity % 86 89 87 65 55 57 69 82

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 Hilton Head Island during June, and a 1 percent chance of a category 1 or 2 hurricane. Major hurricanes are unlikely this time of year.


These weather data are long-term historical averages provided by the National Climatic Data Center of the United States. The temperature and precipitation numbers are 1981-2010 normals while the humidity statistics are 1961-1990 normals. The named storm probabilities come from the Atlantic Oceanographic and Meteorological Laboratory, Hurricane Research Division.

Hilton Head Island Weather
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