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Grand Junction climate
Typical historical weather for Grand Junction, United States, averaged across 10 years of hourly climate data. Pick a date for a specific day.
Want today's actual conditions instead? See the current forecast for Grand Junction.
Annual average
10.1°C
across all months
Warmest month
32.3°C
Jul average high
Coolest month
-9.7°C
Jan average low
Annual rainfall
530mm
total per year
Monthly averages
Average daily high/low temperature (band) and monthly rainfall (bars).
● Avg high● Avg low▮ Rainfall
Records on file
Hottest day
38°C
9 July 2021
Coldest day
-23.4°C
5 February 2020
Wettest day
37mm
21 June 2024
Windiest day
5.3m/s
29 September 2019
See the detail: Grand Junction on 21 June 2024.