Rapid City weather in January 2025

Expect 2°C daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in Rapid City in January. Check more long-term weather averages for Rapid City in January before you book your next holiday to South Dakota in 2025/2026.

  • 2°C maximum daytime temperature in January in Rapid City2
    2°C max day temperature
  • 5 hours of sunshine per day
  • 7 days with some rainfall in January in Rapid City7
    7 days with some rainfall
  • -12°C minimum night-time temperature in January in Rapid City-12
    -12°C min night temperature
  • 9 hours of daylight per day in January in Rapid City9
    9 hours of daylight per day
  • No heat & humidity in January in Rapid City0
    No heat & humidity
  • 8 mm monthly rainfall in January in Rapid City8
    8 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Rapid City1
    1 (Low) UV index

More about Rapid City

Rapid City by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for South Dakota

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12

The January weather guide for South Dakota (Rapid City) 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 cold is it in Rapid City in January?

Daytime temperatures usually reach 2°C in Rapid City in January, falling to -12°C at night.

How sunny is it in Rapid City in January?

There are normally 5 hours of bright sunshine each day in Rapid City in January - that's 57% of daylight hours.

Does it rain in Rapid City in January?

There are usually 7 days with some rain in Rapid City in January and the average monthly rainfall is 8mm. Rain may fall as snow in this month.

Rapid City January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:28 16:26
Thursday, 16th January 2025 07:24 16:42
Friday, 31st January 2025 07:11 17:02

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