Average temperature in Grand Junction (CO)
The mean minimum and maximum temperatures over the year in Grand Junction (Colorado), the United States of America.
- The months of May and September have nice average temperatures.
- On average, the warmest month(s) are June, July and August.
- On average, the warmest month is July with 34°C.
- On average, the coolest month is January with 2°C.
- The average annual maximum temperature is 19°C.
- The average annual minimum temperature is 5°C.
Weather Forecasts for Grand Junction (CO)
Thu May 02
20°C | 2°C
NW 
29 km/h
29 km/h
clear and no rain
Fri May 03
24°C | 8°C
W 29 km/h
29 km/h
almost clear and no rain
Sat May 04
26°C | 7°C
E 14 km/h
14 km/h
almost clear and no rain
