United States
Weather in Grand Junction through the year
The average of the weather stations Ft Duchesne (176 km) and Chama (295 km); nearer ones count more.
| Month | Average high | Coolest to warmest day |
|---|---|---|
| January | -0.1 °C | -0.8 °C – 1.2 °C |
| February | 3.7 °C | 1.4 °C – 6.3 °C |
| March | 10.8 °C | 6.8 °C – 13.6 °C |
| April | 16.7 °C | 13.8 °C – 19.2 °C |
| May | 22.1 °C | 19.3 °C – 25.3 °C |
| June | 28.8 °C | 25.7 °C – 31.0 °C |
| July | 32.2 °C | 31.2 °C – 32.7 °C |
| August | 30.6 °C | 29.3 °C – 31.7 °C |
| September | 25.8 °C | 22.3 °C – 29.2 °C |
| October | 18.1 °C | 13.4 °C – 22.1 °C |
| November | 9.2 °C | 5.0 °C – 13.1 °C |
| December | 1.6 °C | -0.7 °C – 4.7 °C |