Charleston weather in May 2024

Expect 81°F daytime maximum temperatures in the shade with on average 9 hours of sunshine per day in Charleston in May. Check more long-term weather averages for Charleston in May before you book your next holiday to South Carolina in 2024/2025.

81
81°F max day temperature
9
9 hours of sunshine per day
9
9 days with some rainfall
66
66°F min night temperature
14
14 hours of daylight per day
M
Moderate heat & humidity
3.7
3.7 inches of monthly rainfall
9
9 (Very High) UV index
72
72°F sea temperature

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The May weather guide for South Carolina (Charleston) 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)

More about the USA

How hot is it in Charleston in May?

Daytime temperatures usually reach 81°F in Charleston in May with moderate heat and humidity, falling to 66°F at night.

How sunny is it in Charleston in May?

There are normally 9 hours of bright sunshine each day in Charleston in May - that's 68% of daylight hours.

How warm is the sea around Charleston in May?

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

Does it rain in Charleston in May?

There are usually 9 days with some rain in Charleston in May and the average monthly rainfall is 3.7 inches.

Charleston May sunrise & sunset times

Browse the sunrise and sunset times for Charleston in May 2024. Select a month to view Charleston sunrise and sunset times for the next 12 months.

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Date	Sunrise times	Sunset times
Wednesday, 1st May 2024	06:32	20:02
Thursday, 16th May 2024	06:20	20:13
Friday, 31st May 2024	06:13	20:23

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South Carolina - quick facts
Flight time^✝	11.5 hours
Time difference	UK -5 hours
Language(s)	English
Currency	US Dollar
Electricity	A + B plug (120V)
Driving side	Right
Visa^✝	Yes
Why visit?	Beaches Culture
Tourist info	South Carolina Department of Parks, Recreation & Tourism