Hilton Head Island weather in April 2025

Expect daytime maximum temperatures of 75°F in Hilton Head Island, South Carolina in April based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 2.8 inches of rainfall in the month.

  • 75°F maximum daytime temperature in April in Hilton Head Island75
    75°F 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
  • 55°F minimum night-time temperature in April in Hilton Head Island55
    55°F 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
  • 2.8 inches monthly rainfall in April in Hilton Head Island2.8
    2.8 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in April in Hilton Head Island9
    9 (Very High) UV index
  • 64°F sea temperature in April in Hilton Head Island64
    64°F 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)  |  Imperial (°F)

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How hot is it in Hilton Head Island in April?

Daytime temperatures usually reach 75°F in Hilton Head Island in April, falling to 55°F 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 64°F.

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 2.8 inches.

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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