Grand Junction weather in June 2025

Expect 31°C daytime maximum temperatures in the shade with on average 12 hours of sunshine per day in Grand Junction in June based on long-term weather averages. There is usually 4 days with some rainfall and 12 mm of average monthly rainfall in June.

  • 31°C maximum daytime temperature in June in Grand Junction31
    31°C max day temperature
  • 12 hours of sunshine per day
  • 4 days with some rainfall in June in Grand Junction4
    4 days with some rainfall
  • 12°C minimum night-time temperature in June in Grand Junction12
    12°C 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
  • 12 mm monthly rainfall in June in Grand Junction12
    12 mm 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 / mm)  |  Imperial (°F / inches)

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How hot is it in Grand Junction in June?

Daytime temperatures usually reach 31°C in Grand Junction in June with moderate heat and humidity, falling to 12°C 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 12mm.

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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