Zip 80104 (Castle Rock, CO) Climate

80104 Castle Rock, CO is situated in the foothills of the Rocky Mountains, about 30 miles south of Denver. The climate in this area is generally mild and sunny, with cold winters and hot summers. During the winter months, temperatures range from around 20 to 40 degrees Fahrenheit and snowfall can be heavy. In the summertime temperatures range from 50 to 80°F with plenty of sunshine! Precipitation levels are fairly low throughout the year, especially during the dry summer months. The area benefits from a large amount of sunshine all year round, making it an ideal place for outdoor activities.

Castle Rock (zip 80104), Colorado gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Castle Rock (zip 80104) averages 81 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 Castle Rock (zip 80104). The US average is 205 sunny days.

Castle Rock (zip 80104) gets some kind of precipitation, on average, 74 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 85 degrees
Winter Low: the January low is 18
Rain: averages 18 inches of rain a year
Snow: averages 81 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the 80104 zip code is 7.2 (10=best), which means it is more comfortable than most places in Colorado.

9 Summer - 5.5 Winter

August, July and June are the most pleasant months in the 80104 zip code, while January and December are the least comfortable months.

Climate	Castle Rock, Colorado	United States
	Unlock	38.1 in.
	80.5 in.	Unlock
	Unlock	106.2 days
	245 days	Unlock
	85.3°	85.8°
	Unlock	21.7°
	7.2	Unlock
	Unlock	4.3
	6495 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 80104 zip code with an average high temperature of 85.3°, which ranks it as about average compared to other places in Colorado. In the 80104 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 80104 zip code are June, September and August.

In the 80104 zip code, there are 14.6 days annually when the high temperature is over 90°, which is cooler than most places in Colorado.

December has the coldest nighttime temperatures for the 80104 zip code with an average of 18.1°. This is one of the warmest places in Colorado.

In the 80104 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 80104 zip code, there are 5.5 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Colorado.

Humidity is low in the 80104 zip code, 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.

July is the wettest month in the 80104 zip code with 2.8 inches of rain, and the driest month is February with 0.5 inches. The wettest season is Autumn with 42% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 18.2 inches in the 80104 zip code means that it is wetter than most places in Colorado.

August is the rainiest month in the 80104 zip code with 10.4 days of rain, and January is the driest month with only 3.5 rainy days. There are 73.8 rainy days annually in the 80104 zip code, which is less rainy than most places in Colorado. The rainiest season is Autumn when it rains 37% of the time and the driest is Spring with only a 15% chance of a rainy day.

An annual snowfall of 80.5 inches in the 80104 zip code means that it is snowier than most places in Colorado. March is the snowiest month in the 80104 zip code with 17.2 inches of snow, and 9 months of the year have significant snowfall.

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