Casper weather in June 2026

Expect daytime maximum temperatures of 26°C in Casper, Wyoming in June based on long-term weather averages. There are 11 hours of sunshine per day on average with typically 41 mm of rainfall in the month.

  • 26°C maximum daytime temperature in June in Casper26
    26°C max day temperature
  • 11 hours of sunshine per day
  • 9 days with some rainfall in June in Casper9
    9 days with some rainfall
  • 8°C minimum night-time temperature in June in Casper8
    8°C min night temperature
  • 15 hours of daylight per day in June in Casper15
    15 hours of daylight per day
  • Low heat & humidity in June in CasperL
    Low heat & humidity
  • 41 mm monthly rainfall in June in Casper41
    41 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in June in Casper9
    9 (Very High) UV index

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The June weather guide for Wyoming (Casper) 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 Casper in June?

Daytime temperatures usually reach 26°C in Casper in June with low heat and humidity, falling to 8°C at night.

How sunny is it in Casper in June?

There are normally 11 hours of bright sunshine each day in Casper in June - that's 69% of daylight hours.

Does it rain in Casper in June?

There are usually 9 days with some rain in Casper in June and the average monthly rainfall is 41mm.

Casper June sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Monday, 1st June 2026 04:29 19:37
Monday, 15th June 2026 04:26 19:46
Tuesday, 30th June 2026 04:30 19:48

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