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°C maximum daytime temperature in March in Charleston19
    19°C max day temperature
  • 8 hours of sunshine per day
  • 9 days with some rainfall in March in Charleston9
    9 days with some rainfall
  • 10°C minimum night-time temperature in March in Charleston10
    10°C min night temperature
  • 12 hours of daylight per day in March in Charleston12
    12 hours of daylight per day
  • No heat & humidity in March in Charleston0
    No heat & humidity
  • 109 mm monthly rainfall in March in Charleston109
    109 mm of monthly rainfall
  • UV (maximum) index 7 (High) in March in Charleston7
    7 (High) UV index
  • 17°C sea temperature in March in Charleston17
    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)

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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.

JanFebMarAprMayJunJulAugSepOctNovDec

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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