Hilton Head Island weather in July 2025

Expect 90°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Hilton Head Island in July. Check more long-term weather averages for Hilton Head Island in July before you book your next holiday to South Carolina in 2025/2026.

  • 90°F maximum daytime temperature in July in Hilton Head Island90
    90°F max day temperature
  • 9 hours of sunshine per day
  • 13 days with some rainfall in July in Hilton Head Island13
    13 days with some rainfall
  • 73°F minimum night-time temperature in July in Hilton Head Island73
    73°F min night temperature
  • 14 hours of daylight per day in July in Hilton Head Island14
    14 hours of daylight per day
  • Very high heat & humidity in July in Hilton Head IslandVH
    Very High heat & humidity
  • 6.7 inches monthly rainfall in July in Hilton Head Island6.7
    6.7 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in July in Hilton Head Island10
    10 (Very High) UV index
  • 82°F sea temperature in July in Hilton Head Island82
    82°F sea temperature

More about Hilton Head Island

Hilton Head Island by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Carolina

Travel Up: up to 40% with flights + hotel deals

  • Combine flights + hotel & save up to 40% on holiday bookings
  • Search for holiday deals for destinations worldwide
  • Filter offers by price, board basis, star rating & more
Go to Travel Up deal >>

View all Travel Up offers

The July weather guide for South Carolina (Hilton Head Island) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C)  |  Imperial (°F)

Back to top

More about the USA

How hot is it in Hilton Head Island in July?

Daytime temperatures usually reach 90°F in Hilton Head Island in July with very high heat and humidity, falling to 73°F at night.

How sunny is it in Hilton Head Island in July?

There are normally 9 hours of bright sunshine each day in Hilton Head Island in July - that's 64% of daylight hours.

How warm is the sea around Hilton Head Island in July?

The average sea temperature around Hilton Head Island in July is 82°F.

Does it rain in Hilton Head Island in July?

There are usually 13 days with some rain in Hilton Head Island in July and the average monthly rainfall is 6.7 inches.

What is the chance of a hurricane in Hilton Head Island in July?

On average less than 1 day in July in Hilton Head Island is likely to be affected by the passage of one or more tropical storms.

Hilton Head Island July sunrise & sunset times

Browse the sunrise and sunset times for Hilton Head Island in July 2025. Select a month to view Hilton Head Island sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st July 2025 05:20 19:34
Wednesday, 16th July 2025 05:28 19:30
Thursday, 31st July 2025 05:38 19:21

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^