Myrtle Beach weather in March 2025

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

  • 20°C maximum daytime temperature in March in Myrtle Beach20
    20°C max day temperature
  • 8 hours of sunshine per day
  • 10 days with some rainfall in March in Myrtle Beach10
    10 days with some rainfall
  • 6°C minimum night-time temperature in March in Myrtle Beach6
    6°C min night temperature
  • 12 hours of daylight per day in March in Myrtle Beach12
    12 hours of daylight per day
  • No heat & humidity in March in Myrtle Beach0
    No heat & humidity
  • 110 mm monthly rainfall in March in Myrtle Beach110
    110 mm of monthly rainfall
  • UV (maximum) index 6 (High) in March in Myrtle Beach6
    6 (High) UV index
  • 18°C sea temperature in March in Myrtle Beach18
    18°C sea temperature

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The March weather guide for South Carolina (Myrtle Beach) 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 Myrtle Beach in March?

Daytime temperatures usually reach 20°C in Myrtle Beach in March, falling to 6°C at night.

How sunny is it in Myrtle Beach in March?

There are normally 8 hours of bright sunshine each day in Myrtle Beach in March - that's 65% of daylight hours.

How warm is the sea around Myrtle Beach in March?

The average sea temperature around Myrtle Beach in March is 18°C.

Does it rain in Myrtle Beach in March?

There are usually 10 days with some rain in Myrtle Beach in March and the average monthly rainfall is 110mm.

Myrtle Beach March sunrise & sunset times

Browse the sunrise and sunset times for Myrtle Beach in March 2025. Select a month to view Myrtle Beach sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Saturday, 1st March 2025 06:44 18:12
Sunday, 16th March 2025 06:24 18:24
Monday, 31st March 2025 06:04 18:36

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