Littleton, Colorado gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Littleton averages 69 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 246 sunny days per year in Littleton. The US average is 205 sunny days.
Littleton gets some kind of precipitation, on average, 84 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 87 degrees
Winter Low: the January low is 18
Rain: averages 18 inches of rain a year
Snow: averages 69 inches of snow a year
BESTPLACES COMFORT INDEX
The annual BestPlaces Comfort Index for Littleton is 7.3 (10=best), which means it is more comfortable than most places in Colorado.
9 / 5.5
Summer / Winter
August, June and September are the most pleasant months in Littleton, while December and January are the least comfortable months.