Rapid City weather in October 2025

Expect 63°F daytime maximum temperatures in the shade with on average 7 hours of sunshine per day in Rapid City in October. Check more long-term weather averages for Rapid City in October before you book your next holiday to South Dakota in 2025/2026.

  • 63°F maximum daytime temperature in October in Rapid City63
    63°F max day temperature
  • 7 hours of sunshine per day
  • 5 days with some rainfall in October in Rapid City5
    5 days with some rainfall
  • 34°F minimum night-time temperature in October in Rapid City34
    34°F min night temperature
  • 11 hours of daylight per day in October in Rapid City11
    11 hours of daylight per day
  • No heat & humidity in October in Rapid City0
    No heat & humidity
  • 1.0 inches monthly rainfall in October in Rapid City1.0
    1.0 inches of monthly rainfall
  • UV (maximum) index 3 (Moderate) in October in Rapid City3
    3 (Moderate) UV index

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The October weather guide for South Dakota (Rapid City) 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 warm is it in Rapid City in October?

Daytime temperatures usually reach 63°F in Rapid City in October, falling to 34°F at night.

How sunny is it in Rapid City in October?

There are normally 7 hours of bright sunshine each day in Rapid City in October - that's 66% of daylight hours.

Does it rain in Rapid City in October?

There are usually 5 days with some rain in Rapid City in October and the average monthly rainfall is 1.0 inches.

Rapid City October sunrise & sunset times

Browse the sunrise and sunset times for Rapid City in October 2025. Select a month to view Rapid City sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 05:51 17:33
Thursday, 16th October 2025 06:09 17:07
Friday, 31st October 2025 06:29 16:44

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