Grand Junction weather in June 2025

Expect 88°F daytime maximum temperatures in the shade with on average 12 hours of sunshine per day in Grand Junction in June. Check more long-term weather averages for Grand Junction in June before you book your next holiday to Colorado in 2025/2026.

  • 88°F maximum daytime temperature in June in Grand Junction88
    88°F max day temperature
  • 12 hours of sunshine per day
  • 4 days with some rainfall in June in Grand Junction4
    4 days with some rainfall
  • 54°F minimum night-time temperature in June in Grand Junction54
    54°F min night temperature
  • 15 hours of daylight per day in June in Grand Junction15
    15 hours of daylight per day
  • Moderate heat & humidity in June in Grand JunctionM
    Moderate heat & humidity
  • 0.5 inches monthly rainfall in June in Grand Junction0.5
    0.5 inches of monthly rainfall
  • UV (maximum) index 10 (Very High) in June in Grand Junction10
    10 (Very High) UV index

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The June weather guide for Colorado (Grand Junction) 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 hot is it in Grand Junction in June?

Daytime temperatures usually reach 88°F in Grand Junction in June with moderate heat and humidity, falling to 54°F at night.

How sunny is it in Grand Junction in June?

There are normally 12 hours of bright sunshine each day in Grand Junction in June - that's 81% of daylight hours.

Does it rain in Grand Junction in June?

There are usually 4 days with some rain in Grand Junction in June and the average monthly rainfall is 0.5 inches.

Grand Junction June sunrise & sunset times

Browse the sunrise and sunset times for Grand Junction in June 2025. Select a month to view Grand Junction sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st June 2025 04:50 19:35
Sunday, 15th June 2025 04:48 19:42
Monday, 30th June 2025 04:52 19:44

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