Climateby Month

Hilton Head Island, SC weather in June

NOAA 1991-2020 normals and daily records · Hilton Head Island all year

Hilton Head Island is hot and oppressively humid in June, with frequent rain: highs average 89°F and nights drop to about 71°F. Expect about 13 wet days.

Normal high
89°F
Normal low
71°F
Wet days
13
5.0 in total
Muggy days
27
dew point 65°F+

How June changes from start to finish

Normal values at the start and end of June
June 1June 30
Normal high87°F91°F
Normal low68°F74°F
Chance of a wet day37%41%
Sunrise / sunset6:17 am / 8:24 pm6:19 am / 8:33 pm
Daylight14.1 h14.2 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical June day

  1. 6 am73°Fdew point 69°F
  2. 9 am81°Fdew point 70°F
  3. Noon86°Fdew point 70°F
  4. 3 pm86°Fdew point 70°F
  5. 6 pm82°Fdew point 71°F
  6. 9 pm78°Fdew point 71°F

NOAA hourly normals (local standard time) from Beaufort MCAS (19 mi away); average wind 6 mph; clear or few clouds in 29% of daytime hours, mostly cloudy or overcast in 47%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F0 of 30
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph17 of 30
  • Hot dayshigh 90°F or more16 of 30
  • Muggy daysdaily mean dew point 65°F or more27 of 30
  • Wet daysat least 0.01 in of rain or melted snow13 of 30
  • Notable rainat least 0.10 in8 of 30
  • Freezing nightslow 32°F or below0 of 30

Average days per June, counted from daily records for each year 1991-2020.

Rain in June

Normal precipitation is 5.0 in; a dry June brings about 3.9 in and a wet one about 6.0 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more.

How June varies from year to year

  • Warmest June, 1991-20202011: average high 94°F
  • Coolest June1997: average high 83°F
  • Wettest June2002: 8.9 in
  • Driest June1993: 1.6 in
  • Highest reading102°F (June 13, 2011)
  • Lowest reading54°F (June 8, 1998)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

June compared with May and July

MayJuneJuly
Normal high84°F89°F92°F
Normal low64°F71°F75°F
Wet days81313
Comfortable days500
Daylight13.8 h14.2 h14.0 h

Highs change by +5°F from May and +3°F into July.

How Hilton Head Island ranks in June

  • Normal high101st warmest of 378 cities; 2nd of 5 in South Carolina
  • Wet days331st driest of 378
  • Comfortable days254th most of 340

What to pack for Hilton Head Island in June

  • Light, breathable clothing – highs near 89°F and about 27 muggy days
  • A rain jacket or umbrella – rain on about 13 days
  • A swimsuit – about 17 beach days
  • Sunglasses and sunscreen – about 14.2 hours of daylight and highs near 89°F

Heating and cooling

June has 0 heating degree days and 453 cooling degree days (base 65°F), 11% of the year's total heating and cooling demand.

Questions

How hot is Hilton Head Island in June?

The normal high is 89°F and the normal low is 71°F. From 1991 to 2020 the hottest June reading was 102°F (most recently on June 13, 2011).

Does it rain a lot in Hilton Head Island in June?

About 13 days in June have at least 0.01 in of precipitation, and the normal total is 5.0 in. The wettest June in 1991-2020 was in 2002 (8.9 in); the driest was in 1993 (1.7 in).

Is June a good time to visit Hilton Head Island?

June ranks 10th of 12 months on our comfort score for Hilton Head Island (42 out of 100). It has almost no comfortable days and about 16 days at 90°F or hotter. The best months are March and April.

Where the numbers come from

  • Temperature, rain, frost dates, humidity and wind by hour and cloud cover: Beaufort MCAS (USW00093831), 19 mi N of the city center, 37 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Beaufort MCAS (722085-93831), 19 mi N of the city center, 37 ft . Hourly observations, 1991-2020.
  • Not available for this location: snowfall and snow depth (no station close enough or similar enough in elevation).