The highest day temperature in January 2026 was 54°F. The lowest night temperature was 14°F. The average values for day and night temperatures during January were 43.4°F и 24.5°F respectivly.

Most of the days in January are sunny but you can also expect cloudy and gloomy days.

Precipitation total in January for Grand Junction is 0.2 in. It makes january one of the least rainy months of the year.

The average wind speed in January is 3.5 mph. It makes January the most windless month of the year for Grand Junction.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Grand Junction in January is 6.8 hours.