The climate in Jamestown, CO is typical of the Rocky Mountain region, with hot summers and cold winters. Summers are typically sunny and dry with temperatures ranging from the mid-80s to low 90s while winter temperatures range from the mid-teens in the coldest months to the mid-40s in warmer months. Precipitation is generally moderate, although snowfall can be quite heavy in the mountains surrounding Jamestown. Spring and fall provide pleasant temperatures as well as some of the most beautiful colors found in this mountain landscape.
Jamestown, Colorado gets 21 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Jamestown averages 152 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 242 sunny days per year in Jamestown. The US average is 205 sunny days.
Jamestown gets some kind of precipitation, on average, 132 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 75 degrees
Winter Low: the January low is 12
Rain: averages 21 inches of rain a year
Snow: averages 152 inches of snow a year