Summit County, UT Climate

Summit, UT County has a unique climate that is significantly different from other areas in Utah. The high altitude and mountains of the region contribute to a cooler, more arid climate than other parts of the state. Summers are mild with temperatures rarely exceeding 85°F (29°C), while winter temperatures can drop to -22 °F (-30°C). Precipitation is low, averaging around 16 inches (41 cm) annually. This dry climate makes Summit an ideal location for those looking to escape the heat and humidity of lower elevations.

Summit County, Utah gets 19 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Summit County averages 87 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 226 sunny days per year in Summit County. The US average is 205 sunny days.

Summit County gets some kind of precipitation, on average, 98 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 13
Rain: averages 19 inches of rain a year
Snow: averages 87 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Summit County is 6.5 (10=best), which means it is one of the least comfortable places in Utah.

8.7 Summer - 4.3 Winter

June, August and July are the most pleasant months in Summit County, while January and December are the least comfortable months.

Climate	Summit, Utah	United States
	18.7 in.	38.1 in.
	86.6 in.	27.8 in.
	98.1 days	106.2 days
	226 days	205 days
	85.1°	85.8°
	12.5°	21.7°
	6.5	7
	4.7	4.3
	8487 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 Summit County with an average high temperature of 85.1°, which ranks it as cooler than most places in Utah. In Summit County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Summit County are June, September and August.

In Summit County, there are 14.1 days annually when the high temperature is over 90°, which is cooler than most places in Utah.

January has the coldest nighttime temperatures for Summit County with an average of 12.5°. This is colder than most places in Utah.

In Summit County, there are 195.6 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Utah.

In Summit County, there are 13.7 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Utah.

Humidity is very low in Summit County, so low that the dry air may be uncomfortable for some people. There are few days during the year when the humidity is even noticable. A very dry climate can lead to cracked, itchy skin and dry eyes.

May is the wettest month in Summit County with 1.9 inches of rain, and the driest month is July with 1.1 inches. The wettest season is Summer with 29% of yearly precipitation and 19% occurs in Autumn, which is the driest season. The annual rainfall of 18.7 inches in Summit County means that it is wetter than most places in Utah.

May is the rainiest month in Summit County with 9.5 days of rain, and July is the driest month with only 5.7 rainy days. There are 98.1 rainy days annually in Summit County, which is rainier than most places in Utah. The rainiest season is Summer when it rains 29% of the time and the driest is Autumn with only a 19% chance of a rainy day.

An annual snowfall of 86.6 inches in Summit County means that it is one of the snowiest places in Utah. December is the snowiest month in Summit County with 19.0 inches of snow, and 8 months of the year have significant snowfall.

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