San Juan County in Colorado has a semi-arid climate, with cold winters and mild summers. Average temperatures range from low 20s Fahrenheit to mid 80s Fahrenheit throughout the year. The county is located in the high desert region of southwestern Colorado near the Four Corners, where it enjoys plenty of sunshine and relatively low humidity. Precipitation is scarce, averaging between 10-15 inches per year, mostly falling as snow during winter months. Winters can be quite cold and often bring snowfall, while summers are generally mild with warm days and cool nights. Overall, San Juan County has a comfortable climate that provides visitors with lots of opportunities for recreation and relaxation any time of year.
San Juan County, Colorado gets 24 inches of rain, on average, per year. The US average is 38 inches of rain per year.
San Juan County averages 163 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 251 sunny days per year in San Juan County. The US average is 205 sunny days.
San Juan County gets some kind of precipitation, on average, 117 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.
Weather Highlights
Summer High: the July high is around 74 degrees
Winter Low: the January low is -3
Rain: averages 24 inches of rain a year
Snow: averages 163 inches of snow a year