Custer weather in January 2025

Expect 32°F daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Custer in January. Check more long-term weather averages for Custer in January before you book your next holiday to South Dakota in 2025/2026.

  • 32°F maximum daytime temperature in January in Custer32
    32°F max day temperature
  • 6 hours of sunshine per day
  • 8 days with some rainfall in January in Custer8
    8 days with some rainfall
  • 10°F minimum night-time temperature in January in Custer10
    10°F min night temperature
  • 9 hours of daylight per day in January in Custer9
    9 hours of daylight per day
  • No heat & humidity in January in Custer0
    No heat & humidity
  • 0.4 inches monthly rainfall in January in Custer0.4
    0.4 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Custer1
    1 (Low) UV index

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Custer by month

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

Daytime temperatures usually reach 32°F in Custer in January, falling to 10°F at night.

How sunny is it in Custer in January?

There are normally 6 hours of bright sunshine each day in Custer in January - that's 59% of daylight hours.

Does it rain in Custer in January?

There are usually 8 days with some rain in Custer in January and the average monthly rainfall is 0.4 inches. Rain may fall as snow in this month.

Custer January sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 07:28 16:28
Thursday, 16th January 2025 07:24 16:45
Friday, 31st January 2025 07:12 17:04

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