Hilton Head Island weather in April 2025

Expect 24°C daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Hilton Head Island in April. Check more long-term weather averages for Hilton Head Island in April before you book your next holiday to South Carolina in 2025/2026.

  • 24°C maximum daytime temperature in April in Hilton Head Island24
    24°C max day temperature
  • 9 hours of sunshine per day
  • 7 days with some rainfall in April in Hilton Head Island7
    7 days with some rainfall
  • 13°C minimum night-time temperature in April in Hilton Head Island13
    13°C min night temperature
  • 13 hours of daylight per day in April in Hilton Head Island13
    13 hours of daylight per day
  • No heat & humidity in April in Hilton Head Island0
    No heat & humidity
  • 70 mm monthly rainfall in April in Hilton Head Island70
    70 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in April in Hilton Head Island9
    9 (Very High) UV index
  • 18°C sea temperature in April in Hilton Head Island18
    18°C sea temperature

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The April 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 April?

Daytime temperatures usually reach 24°C in Hilton Head Island in April, falling to 13°C at night.

How sunny is it in Hilton Head Island in April?

There are normally 9 hours of bright sunshine each day in Hilton Head Island in April - that's 70% of daylight hours.

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

The average sea temperature around Hilton Head Island in April is 18°C.

Does it rain in Hilton Head Island in April?

There are usually 7 days with some rain in Hilton Head Island in April and the average monthly rainfall is 70mm.

Hilton Head Island April sunrise & sunset times

Browse the sunrise and sunset times for Hilton Head Island in April 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 April 2025 06:11 18:43
Tuesday, 15th April 2025 05:54 18:53
Wednesday, 30th April 2025 05:37 19:03

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