The climate in 80229 Thornton, CO is generally mild, with hot summers and cool winters. Average high temperatures in the summer months range from around 77°F to 85°F, while winter temperatures usually don't drop below 20°F and can reach up to around 55°F. The area also experiences a moderate amount of precipitation throughout the year, with spring and early summer seeing the most rain. Thunderstorms are common during this time of year as well.
Thornton (zip 80229), Colorado gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Thornton (zip 80229) averages 45 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 Thornton (zip 80229). The US average is 205 sunny days.
Thornton (zip 80229) gets some kind of precipitation, on average, 77 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 91 degrees
Winter Low: the January low is 19
Rain: averages 16 inches of rain a year
Snow: averages 45 inches of snow a year