Deadwood weather in August 2025

Expect 28°C 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.

  • 28°C maximum daytime temperature in August in Deadwood28
    28°C max day temperature
  • 10 hours of sunshine per day
  • 8 days with some rainfall in August in Deadwood8
    8 days with some rainfall
  • 12°C minimum night-time temperature in August in Deadwood12
    12°C 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
  • 43 mm monthly rainfall in August in Deadwood43
    43 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Deadwood8
    8 (Very High) UV index

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Recommended for South Dakota

  • Kids stay & eat for free at Marriot Bonvoy
  • Destinations include Europe, Middle East & Africa
  • Valid for up to 2 adults & 2 kids aged up to 12

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 / mm)  |  Imperial (°F / inches)

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How hot is it in Deadwood in August?

Daytime temperatures usually reach 28°C in Deadwood in August with low heat and humidity, falling to 12°C 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 43mm.

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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