Deadwood weather in December 2025

Expect daytime maximum temperatures of 34°F in Deadwood, South Dakota in December based on long-term weather averages. There are 5 hours of sunshine per day on average, which might fall as snow.

  • 34°F maximum daytime temperature in December in Deadwood34
    34°F max day temperature
  • 5 hours of sunshine per day
  • 8 days with some rainfall in December in Deadwood8
    8 days with some rainfall
  • 12°F minimum night-time temperature in December in Deadwood12
    12°F min night temperature
  • 9 hours of daylight per day in December in Deadwood9
    9 hours of daylight per day
  • No heat & humidity in December in Deadwood0
    No heat & humidity
  • 0.5 inches monthly rainfall in December in Deadwood0.5
    0.5 inches of monthly rainfall
  • UV (maximum) index 1 (Low) in December in Deadwood1
    1 (Low) UV index

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The December weather guide for South Dakota (Deadwood) 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 Deadwood in December?

Daytime temperatures usually reach 34°F in Deadwood in December, falling to 12°F at night.

How sunny is it in Deadwood in December?

There are normally 5 hours of bright sunshine each day in Deadwood in December - that's 55% of daylight hours.

Does it rain in Deadwood in December?

There are usually 8 days with some rain in Deadwood in December and the average monthly rainfall is 0.5 inches. Rain may fall as snow in this month.

Deadwood December sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st December 2025 07:11 16:17
Tuesday, 16th December 2025 07:25 16:17
Wednesday, 31st December 2025 07:31 16:26

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