Arapahoe County, Colorado 

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Climate in Arapahoe County, Colorado

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

Arapahoe County averages 63 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 Arapahoe County. The US average is 205 sunny days.

Arapahoe County gets some kind of precipitation, on average, 81 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 88 degrees
Winter Low: the January low is 18
Rain: averages 17 inches of rain a year
Snow: averages 63 inches of snow a year


BESTPLACES COMFORT INDEX

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

7.2 / 10
September, August and June are the most pleasant months in Arapahoe County, while December and January are the least comfortable months.

Climate Averages
  Arapahoe, ColoradoUnited States
  17.1 in.38.1 in.
  62.8 in.27.8 in.
  80.7 days106.2 days
  245 days205 days
  88.0°85.8°
  17.7°21.7°
  7.27
  5.24.3
  5448 ft.2443 ft.
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 Arapahoe County with an average high temperature of 88.0°, which ranks it as about average compared to other places in Colorado. In Arapahoe County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Arapahoe County are September, June and August.


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


In Arapahoe County, there are 29.1 days annually when the high temperature is over 90°, which is about average compared to other places in Colorado.


In Arapahoe County, there are 156.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Colorado.


In Arapahoe County, there are 6.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Colorado.


May is the wettest month in Arapahoe County with 2.4 inches of rain, and the driest month is January with 0.5 inches. The wettest season is Autumn with 37% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 17.1 inches in Arapahoe County means that it is about average compared to other places in Colorado.


May is the rainiest month in Arapahoe County with 9.6 days of rain, and January is the driest month with only 4.3 rainy days. There are 80.7 rainy days annually in Arapahoe County, which is about average compared to other places in Colorado. The rainiest season is Autumn when it rains 32% of the time and the driest is Spring with only a 17% chance of a rainy day.


An annual snowfall of 62.8 inches in Arapahoe County means that it is about average compared to other places in Colorado. March is the snowiest month in Arapahoe County with 12.4 inches of snow, and 9 months of the year have significant snowfall.





  • Annual Rainfall (US Avg: 36.5")
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