Deadwood weather in August 2025

Expect 82°F daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Deadwood in August. Check more long-term weather averages for Deadwood in August before you book your next holiday to South Dakota in 2025/2026.

  • 82°F maximum daytime temperature in August in Deadwood82
    82°F max day temperature
  • 10 hours of sunshine per day
  • 8 days with some rainfall in August in Deadwood8
    8 days with some rainfall
  • 54°F minimum night-time temperature in August in Deadwood54
    54°F min night temperature
  • 14 hours of daylight per day in August in Deadwood14
    14 hours of daylight per day
  • Low heat & humidity in August in DeadwoodL
    Low heat & humidity
  • 1.7 inches monthly rainfall in August in Deadwood1.7
    1.7 inches of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Deadwood8
    8 (Very High) UV index

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The August 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 hot is it in Deadwood in August?

Daytime temperatures usually reach 82°F in Deadwood in August with low heat and humidity, falling to 54°F at night.

How sunny is it in Deadwood in August?

There are normally 10 hours of bright sunshine each day in Deadwood in August - that's 72% of daylight hours.

Does it rain in Deadwood in August?

There are usually 8 days with some rain in Deadwood in August and the average monthly rainfall is 1.7 inches.

Deadwood August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 04:43 19:19
Saturday, 16th August 2025 05:00 18:58
Sunday, 31st August 2025 05:17 18:32

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