Charleston weather in January 2025

Expect 57°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Charleston in January. Check more long-term weather averages for Charleston in January before you book your next holiday to South Carolina in 2025/2026.

  • 57°F maximum daytime temperature in January in Charleston57
    57°F max day temperature
  • 6 hours of sunshine per day
  • 10 days with some rainfall in January in Charleston10
    10 days with some rainfall
  • 41°F minimum night-time temperature in January in Charleston41
    41°F 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
  • 3.4 inches monthly rainfall in January in Charleston3.4
    3.4 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in January in Charleston3
    3 (Moderate) UV index
  • 64°F sea temperature in January in Charleston64
    64°F sea temperature

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The January 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)  |  Imperial (°F)

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How warm is it in Charleston in January?

Daytime temperatures usually reach 57°F in Charleston in January, falling to 41°F at night.

How sunny is it in Charleston in January?

There are normally 6 hours of bright sunshine each day in Charleston in January - that's 57% of daylight hours.

How warm is the sea around Charleston in January?

The average sea temperature around Charleston in January is 64°F.

Does it rain in Charleston in January?

There are usually 10 days with some rain in Charleston in January and the average monthly rainfall is 3.4 inches.

Charleston January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:22 17:25
Thursday, 16th January 2025 07:22 17:38
Friday, 31st January 2025 07:15 17:52

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