Charleston weather in December 2025

Expect daytime maximum temperatures of 8°C in Charleston in December based on long-term weather averages. There are 3 hours of sunshine per day on average with 14 days with some rainfall and typically 82 mm of rainfall in the month.

  • 8°C maximum daytime temperature in December in Charleston8
    8°C max day temperature
  • 3 hours of sunshine per day
  • 14 days with some rainfall in December in Charleston14
    14 days with some rainfall
  • -3°C minimum night-time temperature in December in Charleston-3
    -3°C min night temperature
  • 10 hours of daylight per day in December in Charleston10
    10 hours of daylight per day
  • No heat & humidity in December in Charleston0
    No heat & humidity
  • 82 mm monthly rainfall in December in Charleston82
    82 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in December in Charleston2
    2 (Low) UV index

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Expires at 23:59 on Wednesday 31st Dec 2025

The December 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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How warm is it in Charleston in December?

Daytime temperatures usually reach 8°C in Charleston in December, falling to -3°C at night.

How sunny is it in Charleston in December?

There are normally 3 hours of bright sunshine each day in Charleston in December - that's 36% of daylight hours.

Does it rain in Charleston in December?

There are usually 14 days with some rain in Charleston in December and the average monthly rainfall is 82mm.

Charleston December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:25 17:06
Tuesday, 16th December 2025 07:37 17:08
Wednesday, 31st December 2025 07:44 17:16

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