Littleton, Colorado 

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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.

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


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.

Climate Averages
  Littleton, ColoradoUnited States
  18.1 in.38.1 in.
  68.9 in.27.8 in.
  84.4 days106.2 days
  246 days205 days
  5351 ft.2443 ft.


Many people confuse weather and climate but they are different. Weather is the conditions of the atmosphere over a short period of time, and climate is how the atmosphere is over long periods of time.

Weather is how the atmosphere is behaving and its effects upon life and human activities. Weather can change from minute-to-minute. Most people think of weather in terms of temperature, humidity, precipitation, cloudiness, brightness, visibility, wind, and atmospheric pressure.

Climate is the description of the long-term pattern of weather in a place. Climate can mean the average weather for a particular region and time period taken over 30 years. Climate is the average of weather over time.

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.

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.

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

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

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

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.

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.

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.

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.

  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Littleton    20 Reviews
    Nice for families, if you can afford it - 3/16/2021
    I grew up here in the 1970s and 80s, when it was indisputably the best suburb of Denver. The city was close, but horseback riding and hunting were even closer, and of... Read More

    Start Your Review of Littleton

    Littleton, home of the homeless riff-raff - 12/31/2019
    I've lived in Littleton for 30 years. The city council idiots are bringing in street people/voters. Littleton WAS the south metro posh Cherry Creek area. No more. The... Read More

    Awful place - 5/11/2019
    Lived here for 14 yrs and it totally sucks. Overcrowded, traffic is awful, rude and unfriendly people and prices are getting worse. I'm outta here... Read More

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