Charleston weather in January 2026

Expect daytime maximum temperatures of 5°C in Charleston in January based on long-term weather averages. There are 4 hours of sunshine per day on average with 15 days with some rainfall and typically 79 mm of rainfall in the month, which might fall as snow.

  • 5°C maximum daytime temperature in January in Charleston5
    5°C max day temperature
  • 4 hours of sunshine per day
  • 15 days with some rainfall in January in Charleston15
    15 days with some rainfall
  • -5°C minimum night-time temperature in January in Charleston-5
    -5°C min night temperature
  • 10 hours of daylight per day in January in Charleston10
    10 hours of daylight per day
  • No heat & humidity in January in Charleston0
    No heat & humidity
  • 79 mm monthly rainfall in January in Charleston79
    79 mm of monthly rainfall
  • UV (maximum) index 2 (Low) in January in Charleston2
    2 (Low) UV index

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The January 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 cold is it in Charleston in January?

Daytime temperatures usually reach 5°C in Charleston in January, falling to -5°C at night.

How sunny is it in Charleston in January?

There are normally 4 hours of bright sunshine each day in Charleston in January - that's 41% of daylight hours.

Does it rain in Charleston in January?

There are usually 15 days with some rain in Charleston in January and the average monthly rainfall is 79mm. Rain may fall as snow in this month.

Charleston January sunrise & sunset times

Browse the sunrise and sunset times for Charleston in January 2026. Select a month to view Charleston sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Thursday, 1st January 2026 07:44 17:17
Friday, 16th January 2026 07:42 17:31
Saturday, 31st January 2026 07:32 17:48

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