Zip 80456 (Jefferson, CO) Climate

Jefferson, CO (80456) has a temperate climate with mild summers and cold winters. Average high temperatures in the summer range from around 70-80 degrees Fahrenheit while average low temperatures in the winter dip to between 20-30 degrees. This area also experiences an average of 15 inches of precipitation annually, most of which falls during the spring and early fall months. The town may also experience occasional snowfall during the winter months.

Jefferson (zip 80456), Colorado gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Jefferson (zip 80456) averages 111 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 Jefferson (zip 80456). The US average is 205 sunny days.

Jefferson (zip 80456) gets some kind of precipitation, on average, 106 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 74 degrees
Winter Low: the January low is 5
Rain: averages 17 inches of rain a year
Snow: averages 111 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 80456 zip code is 5.9 (10=best), which means it is less comfortable than most places in Colorado.

8.2 Summer - 4.1 Winter

July, August and June are the most pleasant months in the 80456 zip code, while December and January are the least comfortable months.

Climate	Jefferson, Colorado	United States
	Unlock	38.1 in.
	111.3 in.	Unlock
	Unlock	106.2 days
	245 days	Unlock
	74.4°	85.8°
	Unlock	21.7°
	5.9	Unlock
	Unlock	4.3
	9388 ft.	Unlock

Climate

YOU SHOULD KNOW

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 the 80456 zip code with an average high temperature of 74.4°, which ranks it as one of the coolest places in Colorado. In the 80456 zip code, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 80456 zip code are July, August and June.

In the 80456 zip code, there are 0.0 days annually when the high temperature is over 90°, which is cooler than most places in Colorado.

January has the coldest nighttime temperatures for the 80456 zip code with an average of 5.2°. This is colder than most places in Colorado.

In the 80456 zip code, there are 243.3 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Colorado.

In the 80456 zip code, there are 31.9 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Colorado.

Humidity is very low in the 80456 zip code, so low that the dry air may be uncomfortable for some people. There are few days during the year when the humidity is even noticable. A very dry climate can lead to cracked, itchy skin and dry eyes.

August is the wettest month in the 80456 zip code with 2.5 inches of rain, and the driest month is January with 0.8 inches. The wettest season is Autumn with 36% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 17.3 inches in the 80456 zip code means that it is about average compared to other places in Colorado.

August is the rainiest month in the 80456 zip code with 14.5 days of rain, and October is the driest month with only 6.5 rainy days. There are 106.3 rainy days annually in the 80456 zip code, which is rainier than most places in Colorado. The rainiest season is Autumn when it rains 34% of the time and the driest is Spring with only a 20% chance of a rainy day.

An annual snowfall of 111.3 inches in the 80456 zip code means that it is snowier than most places in Colorado. March is the snowiest month in the 80456 zip code with 19.2 inches of snow, and 10 months of the year have significant snowfall.

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