Charleston weather in March 2025

Expect 19°C daytime maximum temperatures in the shade with on average 8 hours of sunshine per day in Charleston in March. Check more long-term weather averages for Charleston in March before you book your next holiday to South Carolina in 2025/2026.

19
19°C max day temperature
8
8 hours of sunshine per day
9
9 days with some rainfall
10
10°C min night temperature
12
12 hours of daylight per day
0
No heat & humidity
109
109 mm of monthly rainfall
7
7 (High) UV index
17
17°C sea temperature

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The March 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 / mm) | Imperial (°F / inches)

More about the USA

How hot is it in Charleston in March?

Daytime temperatures usually reach 19°C in Charleston in March, falling to 10°C at night.

How sunny is it in Charleston in March?

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

How warm is the sea around Charleston in March?

The average sea temperature around Charleston in March is 17°C.

Does it rain in Charleston in March?

There are usually 9 days with some rain in Charleston in March and the average monthly rainfall is 109mm.

Charleston March sunrise & sunset times

Browse the sunrise and sunset times for Charleston in March 2025. 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
Saturday, 1st March 2025	06:47	18:17
Sunday, 16th March 2025	06:28	18:29
Monday, 31st March 2025	06:09	18:39

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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