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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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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