Riverton weather in April 2026

Expect daytime maximum temperatures of 15°C in Riverton, Wyoming in April based on long-term weather averages. There are 9 hours of sunshine per day on average.

  • 15°C maximum daytime temperature in April in Riverton15
    15°C max day temperature
  • 9 hours of sunshine per day
  • 9 days with some rainfall in April in Riverton9
    9 days with some rainfall
  • -1°C minimum night-time temperature in April in Riverton-1
    -1°C min night temperature
  • 13 hours of daylight per day in April in Riverton13
    13 hours of daylight per day
  • No heat & humidity in April in Riverton0
    No heat & humidity
  • 26 mm monthly rainfall in April in Riverton26
    26 mm of monthly rainfall
  • UV (maximum) index 6 (High) in April in Riverton6
    6 (High) UV index

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The April 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 April?

Daytime temperatures usually reach 15°C in Riverton in April, falling to -1°C at night.

How sunny is it in Riverton in April?

There are normally 9 hours of bright sunshine each day in Riverton in April - that's 65% of daylight hours.

Does it rain in Riverton in April?

There are usually 9 days with some rain in Riverton in April and the average monthly rainfall is 26mm.

Riverton April sunrise & sunset times

Browse the sunrise and sunset times for Riverton in April 2026. Select a month to view Riverton sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st April 2026 05:55 18:40
Wednesday, 15th April 2026 05:31 18:56
Thursday, 30th April 2026 05:08 19:14

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