Grand Junction weather averages

Going to Grand Junction? Find the best month to visit Grand Junction based on the weather.

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Check Grand Junction weather averages before you book your next holiday in 2019/2020. Today's maximum temperature in Grand Junction is expected to be 13°C, while the average maximum temperature in May is 24°C.

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More about Grand Junction

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The weather for Grand Junction, Colorado shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

Grand Junction weather averages: best month

Grand Junction Best month Averages
Warmest July 34°C
Sunniest June & July 12 hours per day
Least rain June 4 days

Grand Junction climate guide

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Grand Junction weather averages by month

Check Grand Junction holiday weather averages for a particular month by selecting from the list below. Monthly weather guides include figures for temperature, rainfall, sunshine hours and sea temperature plus daily sunrise & sunset times.

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Compare Grand Junction weather with the USA

Below the Grand Junction weather chart shows maximum daytime temperature for Grand Junction, Colorado, USA and the USA (Washington). For more weather parameters or to change the destinations shown visit the comparison weather tool.

Maximum daytime temperature (°C)

Grand Junction, Colorado, USA
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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