Grand Junction, CO has a semi-arid climate, with hot summers and generally mild winters. During the summer months temperatures typically reach into the 90s Fahrenheit during the day, while evenings tend to remain comfortable and cool. Winters are usually mild, but snow does occur and temperatures can cool down to freezing averages. Spring and fall tend to be transitional seasons with moderate temperatures. The area receives around nine inches of precipitation per year with most of it falling from April through August.
Grand Junction, Colorado gets 10 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Grand Junction averages 16 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 245 sunny days per year in Grand Junction. The US average is 205 sunny days.
Grand Junction gets some kind of precipitation, on average, 69 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Summer High: the July high is around 93 degrees
Winter Low: the January low is 18
Rain: averages 10 inches of rain a year
Snow: averages 16 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Grand Junction is 7.4 (10=best), which means it is one of the most pleasant places in Colorado.
8.3 / 5.6
Summer / Winter
September, May and June are the most pleasant months in Grand Junction, while January and December are the least comfortable months.