Zip 80602 (Thornton, CO) Climate

Thornton, CO (80602) has a semi-arid climate with low humidity and very dry summers. The average high temperature in the summer is around 88°F and the average low is around 48°F. In the winter, the average high temperature drops to around 43°F and the average low is 16°F. The area typically receives eight inches of rain per year, primarily during the spring months from April to June. During these months, temperatures can range from 30-90°F depending on the day, making for a variety of weather patterns throughout the season.

Thornton (zip 80602), Colorado gets 15 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Thornton (zip 80602) averages 44 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 80602). The US average is 205 sunny days.

Thornton (zip 80602) gets some kind of precipitation, on average, 76 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 90 degrees
Winter Low: the January low is 17
Rain: averages 15 inches of rain a year
Snow: averages 44 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 80602 zip code is 7.3 (10=best), which means it is more comfortable than most places in Colorado.

8.6 Summer - 5.6 Winter

September, June and August are the most pleasant months in the 80602 zip code, while December and January are the least comfortable months.

Climate	Thornton, Colorado	United States
	Unlock	38.1 in.
	44.0 in.	Unlock
	Unlock	106.2 days
	245 days	Unlock
	89.9°	85.8°
	Unlock	21.7°
	7.3	Unlock
	Unlock	4.3
	5177 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 80602 zip code with an average high temperature of 89.9°, which ranks it as warmer than most places in Colorado. In the 80602 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the 80602 zip code are September, June and May.

In the 80602 zip code, there are 41.5 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

December has the coldest nighttime temperatures for the 80602 zip code with an average of 16.3°. This is warmer than most places in Colorado.

In the 80602 zip code, there are 157.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Colorado.

In the 80602 zip code, there are 7.1 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Colorado.

Humidity in the 80602 zip code is generally quite low and comfortable. There are few days during the summer when the humidity becomes unpleasant. The most humid months (but still comfortable) are August, July and June.

May is the wettest month in the 80602 zip code with 2.3 inches of rain, and the driest month is January with 0.4 inches. The wettest season is Autumn with 37% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 14.9 inches in the 80602 zip code means that it is drier than most places in Colorado.

May is the rainiest month in the 80602 zip code with 9.3 days of rain, and January is the driest month with only 4.2 rainy days. There are 76.0 rainy days annually in the 80602 zip code, which is less rainy than most places in Colorado. The rainiest season is Summer 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 44.0 inches in the 80602 zip code means that it is less snowy than most places in Colorado. March is the snowiest month in the 80602 zip code with 8.5 inches of snow, and 9 months of the year have significant snowfall.

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