Climate in Littleton, Colorado

Littleton, CO enjoys a mild and sunny climate all year long. Winters are short and relatively mild, with temperatures usually ranging between 20-40°F. Summers are typically warm and dry, with temperatures in the 70's and 80's most days. Spring and autumn bring more moderate temperatures that range between 45-60°F. The city gets an average of 300 days of sunshine each year, which makes Littleton a great place to live if you love spending time outdoors enjoying the pleasant weather.

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.

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Weather Highlights

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

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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.

August, June and September are the most pleasant months in Littleton, while December and January are the least comfortable months.

July is the hottest month for Littleton with an average high temperature of 86.9°, which ranks it as about average compared to other places in Colorado. In Littleton, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Littleton are September, June and August.

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In Littleton, there are 23.4 days annually when the high temperature is over 90°, which is about average compared to other places in Colorado.

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December has the coldest nighttime temperatures for Littleton with an average of 16.8°. This is warmer than most places in Colorado.

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In Littleton, there are 151.6 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Colorado.

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In Littleton, there are 6.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Colorado.

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Humidity is low in Littleton, and some people might find the dryness to be uncomfortable. Days with noticeable humidity are rare throughout the year. A very dry climate can lead to cracked, itchy skin and dry eyes.

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May is the wettest month in Littleton with 2.5 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Summer with 35% of yearly precipitation and 12% occurs in Spring, which is the driest season. The annual rainfall of 18.1 inches in Littleton means that it is wetter than most places in Colorado.

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May is the rainiest month in Littleton with 9.8 days of rain, and January is the driest month with only 4.7 rainy days. There are 84.4 rainy days annually in Littleton, which is rainier than most places in Colorado. The rainiest season is Autumn when it rains 31% of the time and the driest is Spring with only a 17% chance of a rainy day.

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An annual snowfall of 68.9 inches in Littleton means that it is snowier than most places in Colorado. March is the snowiest month in Littleton with 13.5 inches of snow, and 9 months of the year have significant snowfall.

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