Johnstown (zip 80534), Colorado Weather

The most pleasant months of the year for the 80534 zip code are September, May and June. In the 80534 zip code, there are 3 comfortable months with high temperatures in the range of 70-85°. July is the hottest month for the 80534 zip code with an average high temperature of 90.5°, which ranks it as warmer than most places in Colorado. March is the snowiest month in the 80534 zip code with 7.7 inches of snow, and 7 months of the year have significant snowfall. There are few days during the summer when the humidity becomes unpleasant.

Weather Highlights

Summer High: the July high is around 91 degrees
Winter Low: the January low is 14
Rain: averages 15 inches of rain a year
Snow: averages 38 inches of snow a year

BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for the Johnstown (zip 80534) area is 8.3 (10=best), which means it is more comfortable than most places in Colorado.

8.3 / 10

A higher score indicates a more comfortable year-round climate. The US average for the comfort index is 7.8. Our index is based on the total number of days annually within the comfort range of 70-80 degrees, and we also applied a penalty for days of excessive humidity.

Average Monthly High and Low (°F)

	High	Low
January	45°	14°
February	48°	17°
March	57°	24°
April	64°	32°
May	74°	42°
June	84°	50°
July	91°	56°
August	88°	54°
September	80°	44°
October	67°	33°
November	53°	22°
December	44°	13°

Hot, Freezing, Rainy, Snowy Days: Johnstown

	Hot Days	Freezing Days	Rainy Days	Snowy Days
January	0	31	4	3
February	0	27	5	3
March	0	26	6	3
April	0	15	8	2
May	2	2	11	0
June	9	0	9	0
July	17	0	8	0
August	13	0	8	0
September	5	2	7	0
October	0	14	6	1
November	0	26	6	3
December	0	31	4	4

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.

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Zip 80534 (Johnstown, CO) Weather