Custer weather in January 2025

Expect 0°C 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.

  • 0°C maximum daytime temperature in January in Custer0
    0°C max day temperature
  • 6 hours of sunshine per day
  • 8 days with some rainfall in January in Custer8
    8 days with some rainfall
  • -12°C minimum night-time temperature in January in Custer-12
    -12°C 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
  • 10 mm monthly rainfall in January in Custer10
    10 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in Custer1
    1 (Low) UV index

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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 / mm)  |  Imperial (°F / inches)

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How cold is it in Custer in January?

Daytime temperatures usually reach 0°C in Custer in January, falling to -12°C 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 10mm. 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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