Sioux Falls weather in January 2025

Expect -4°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Sioux Falls in January. Check more long-term weather averages for Sioux Falls in January before you book your next holiday to South Dakota in 2025/2026.

  • -4°C maximum daytime temperature in January in Sioux Falls-4
    -4°C max day temperature
  • 6 hours of sunshine per day
  • 7 days with some rainfall in January in Sioux Falls7
    7 days with some rainfall
  • -16°C minimum night-time temperature in January in Sioux Falls-16
    -16°C min night temperature
  • 9 hours of daylight per day in January in Sioux Falls9
    9 hours of daylight per day
  • No heat & humidity in January in Sioux Falls0
    No heat & humidity
  • 13 mm monthly rainfall in January in Sioux Falls13
    13 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Sioux Falls1
    1 (Low) UV index

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The January weather guide for South Dakota (Sioux Falls) 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 Sioux Falls in January?

Daytime temperatures usually reach -4°C in Sioux Falls in January, falling to -16°C at night.

How sunny is it in Sioux Falls in January?

There are normally 6 hours of bright sunshine each day in Sioux Falls in January - that's 60% of daylight hours.

Does it rain in Sioux Falls in January?

There are usually 7 days with some rain in Sioux Falls in January and the average monthly rainfall is 13mm. Rain may fall as snow in this month.

Sioux Falls January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:00 17:02
Thursday, 16th January 2025 07:56 17:18
Friday, 31st January 2025 07:44 17:37

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