Hilton Head Island weather in May 2024

Expect 28°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Hilton Head Island in May. Check more long-term weather averages for Hilton Head Island in May before you book your next holiday to South Carolina in 2024/2025.

  • 28°C maximum daytime temperature in May in Hilton Head Island28
    28°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in May in Hilton Head Island9
    9 days with some rainfall
  • 18°C minimum night-time temperature in May in Hilton Head Island18
    18°C min night temperature
  • 14 hours of daylight per day in May in Hilton Head Island14
    14 hours of daylight per day
  • Moderate heat & humidity in May in Hilton Head IslandM
    Moderate heat & humidity
  • 101 mm monthly rainfall in May in Hilton Head Island101
    101 mm of monthly rainfall
  • UV (maximum) index 10 (Very High) in May in Hilton Head Island10
    10 (Very High) UV index
  • 23°C sea temperature in May in Hilton Head Island23
    23°C sea temperature

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The May 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Hilton Head Island in May?

Daytime temperatures usually reach 28°C in Hilton Head Island in May with moderate heat and humidity, falling to 18°C at night.

How sunny is it in Hilton Head Island in May?

There are normally 9 hours of bright sunshine each day in Hilton Head Island in May - that's 67% of daylight hours.

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

The average sea temperature around Hilton Head Island in May is 23°C.

Does it rain in Hilton Head Island in May?

There are usually 9 days with some rain in Hilton Head Island in May and the average monthly rainfall is 101mm.

Hilton Head Island May sunrise & sunset times

Browse the sunrise and sunset times for Hilton Head Island in May 2024. Select a month to view Hilton Head Island sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st May 2024 06:36 20:04
Thursday, 16th May 2024 06:24 20:15
Friday, 31st May 2024 06:17 20:24

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