Myrtle Beach weather in May 2026

Expect daytime maximum temperatures of 28°C in Myrtle Beach, South Carolina in May based on long-term weather averages. There are 9 hours of sunshine per day on average with typically 101 mm of rainfall in the month.

  • 28°C maximum daytime temperature in May in Myrtle Beach28
    28°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in May in Myrtle Beach9
    9 days with some rainfall
  • 15°C minimum night-time temperature in May in Myrtle Beach15
    15°C 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
  • 101 mm monthly rainfall in May in Myrtle Beach101
    101 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in May in Myrtle Beach9
    9 (Very High) UV index
  • 22°C sea temperature in May in Myrtle Beach22
    22°C 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Myrtle Beach in May?

Daytime temperatures usually reach 28°C in Myrtle Beach in May with low heat and humidity, falling to 15°C 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 22°C.

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 101mm.

Myrtle Beach May sunrise & sunset times

Browse the sunrise and sunset times for Myrtle Beach in May 2026. Select a month to view Myrtle Beach sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st May 2026 05:27 18:59
Saturday, 16th May 2026 05:14 19:10
Sunday, 31st May 2026 05:06 19:20

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