Hilton Head Island weather in March 2025

Expect 20°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Hilton Head Island in March. Check more long-term weather averages for Hilton Head Island in March before you book your next holiday to South Carolina in 2025/2026.

  • 20°C maximum daytime temperature in March in Hilton Head Island20
    20°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in March in Hilton Head Island9
    9 days with some rainfall
  • 9°C minimum night-time temperature in March in Hilton Head Island9
    9°C min night temperature
  • 12 hours of daylight per day in March in Hilton Head Island12
    12 hours of daylight per day
  • No heat & humidity in March in Hilton Head Island0
    No heat & humidity
  • 104 mm monthly rainfall in March in Hilton Head Island104
    104 mm of monthly rainfall
  • UV (maximum) index 7 (High) in March in Hilton Head Island7
    7 (High) UV index
  • 16°C sea temperature in March in Hilton Head Island16
    16°C sea temperature

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The March 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 March?

Daytime temperatures usually reach 20°C in Hilton Head Island in March, falling to 9°C at night.

How sunny is it in Hilton Head Island in March?

There are normally 8 hours of bright sunshine each day in Hilton Head Island in March - that's 63% of daylight hours.

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

The average sea temperature around Hilton Head Island in March is 16°C.

Does it rain in Hilton Head Island in March?

There are usually 9 days with some rain in Hilton Head Island in March and the average monthly rainfall is 104mm.

Hilton Head Island March sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:50 18:21
Sunday, 16th March 2025 06:31 18:32
Monday, 31st March 2025 06:12 18:42

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