Climate in Westminster, CO

Westminster, CO has a diverse climate which changes with the four distinct seasons. In the winter, temperatures drop below freezing and snowfall is common. Spring brings warmer temperatures, with average highs ranging between 65-75°F (18-24°C). Summer is dry and hot, with temperatures reaching up to 95°F (35°C) during the day. Fall brings cooler temperatures and an array of autumn colors as leaves begin to change. The average annual rainfall is 17 inches (44 cm), mostly during spring and summer months.

Westminster, Colorado gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Westminster averages 64 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 242 sunny days per year in Westminster. The US average is 205 sunny days.

Westminster 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 90 degrees
Winter Low: the January low is 18
Rain: averages 17 inches of rain a year
Snow: averages 64 inches of snow a year

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BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Westminster is 7.2 (10=best), which means it is more comfortable than most places in Colorado.

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

July is the hottest month for Westminster with an average high temperature of 89.5°, which ranks it as warmer than most places in Colorado. In Westminster, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Westminster are September, June and May.

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In Westminster, there are 39.7 days annually when the high temperature is over 90°, which is hotter than most places in Colorado.

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December has the coldest nighttime temperatures for Westminster with an average of 17.8°. This is warmer than most places in Colorado.

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In Westminster, there are 152.7 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Colorado.

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In Westminster, there are 5.2 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 Westminster, 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 Westminster with 2.4 inches of rain, and the driest month is January with 0.6 inches. The wettest season is Summer with 36% of yearly precipitation and 11% occurs in Spring, which is the driest season. The annual rainfall of 16.9 inches in Westminster means that it is about average compared to other places in Colorado.

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May is the rainiest month in Westminster with 10.2 days of rain, and January is the driest month with only 4.6 rainy days. There are 84.4 rainy days annually in Westminster, which is rainier 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 18% chance of a rainy day.

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An annual snowfall of 63.8 inches in Westminster means that it is about average compared to other places in Colorado. March is the snowiest month in Westminster with 12.3 inches of snow, and 9 months of the year have significant snowfall.

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