Charleston weather in May 2025

Expect 24°C daytime maximum temperatures in the shade with on average 8 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 West Virginia in 2025/2026.

  • 24°C maximum daytime temperature in May in Charleston24
    24°C max day temperature
  • 8 hours of sunshine per day
  • 13 days with some rainfall in May in Charleston13
    13 days with some rainfall
  • 10°C minimum night-time temperature in May in Charleston10
    10°C min night temperature
  • 14 hours of daylight per day in May in Charleston14
    14 hours of daylight per day
  • No heat & humidity in May in Charleston0
    No heat & humidity
  • 97 mm monthly rainfall in May in Charleston97
    97 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in May in Charleston8
    8 (Very High) UV index

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The May weather guide for West Virginia (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 May?

Daytime temperatures usually reach 24°C in Charleston in May, falling to 10°C at night.

How sunny is it in Charleston in May?

There are normally 8 hours of bright sunshine each day in Charleston in May - that's 55% of daylight hours.

Does it rain in Charleston in May?

There are usually 13 days with some rain in Charleston in May and the average monthly rainfall is 97mm.

Charleston May sunrise & sunset times

Browse the sunrise and sunset times for Charleston in May 2025. Select a month to view Charleston sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st May 2025 05:29 19:18
Friday, 16th May 2025 05:14 19:32
Saturday, 31st May 2025 05:05 19:44

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