Myrtle Beach weather in May 2025

Expect 82°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Myrtle Beach in May. Check more long-term weather averages for Myrtle Beach in May before you book your next holiday to South Carolina in 2025/2026.

  • 82°F maximum daytime temperature in May in Myrtle Beach82
    82°F max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in May in Myrtle Beach9
    9 days with some rainfall
  • 59°F minimum night-time temperature in May in Myrtle Beach59
    59°F min night temperature
  • 14 hours of daylight per day in May in Myrtle Beach14
    14 hours of daylight per day
  • Low heat & humidity in May in Myrtle BeachL
    Low heat & humidity
  • 4.0 inches monthly rainfall in May in Myrtle Beach4.0
    4.0 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Myrtle Beach9
    9 (Very High) UV index
  • 72°F sea temperature in May in Myrtle Beach72
    72°F sea temperature

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Recommended for South Carolina

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12

The May 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)  |  Imperial (°F)

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How hot is it in Myrtle Beach in May?

Daytime temperatures usually reach 82°F in Myrtle Beach in May with low heat and humidity, falling to 59°F at night.

How sunny is it in Myrtle Beach in May?

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

How warm is the sea around Myrtle Beach in May?

The average sea temperature around Myrtle Beach in May is 72°F.

Does it rain in Myrtle Beach in May?

There are usually 9 days with some rain in Myrtle Beach in May and the average monthly rainfall is 4.0 inches.

Myrtle Beach May sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:27 18:59
Friday, 16th May 2025 05:14 19:10
Saturday, 31st May 2025 05:06 19:21

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