Riverton weather in October 2025

Expect daytime maximum temperatures of 16°C in Riverton, Wyoming in October based on long-term weather averages. There are 7 hours of sunshine per day on average.

  • 16°C maximum daytime temperature in October in Riverton16
    16°C max day temperature
  • 7 hours of sunshine per day
  • 6 days with some rainfall in October in Riverton6
    6 days with some rainfall
  • -2°C minimum night-time temperature in October in Riverton-2
    -2°C min night temperature
  • 11 hours of daylight per day in October in Riverton11
    11 hours of daylight per day
  • No heat & humidity in October in Riverton0
    No heat & humidity
  • 17 mm monthly rainfall in October in Riverton17
    17 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in Riverton4
    4 (Moderate) UV index

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The October weather guide for Wyoming (Riverton) 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 warm is it in Riverton in October?

Daytime temperatures usually reach 16°C in Riverton in October, falling to -2°C at night.

How sunny is it in Riverton in October?

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

Does it rain in Riverton in October?

There are usually 6 days with some rain in Riverton in October and the average monthly rainfall is 17mm.

Riverton October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:11 17:54
Thursday, 16th October 2025 06:29 17:29
Friday, 31st October 2025 06:47 17:06

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