Union County, OR Climate

Union County, OR has a moderate climate, characterized by mild winters and warm summers. Average temperatures in the summer months range from 60°F to 95°F, while typical winter temperatures range from 25°F to 50°F. Rainfall is fairly evenly distributed throughout the year, with an average annual total of 17 inches. The area rarely experiences snow or ice storms, making it a desirable place to live year-round.

Union County, Oregon gets 18 inches of rain, on average, per year. The US average is 38 inches of rain per year.

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

On average, there are 190 sunny days per year in Union County. The US average is 205 sunny days.

Union County gets some kind of precipitation, on average, 111 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 86 degrees
Winter Low: the January low is 25
Rain: averages 18 inches of rain a year
Snow: averages 28 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Union County is 6.9 (10=best), which means it is less comfortable than most places in Oregon.

8.8 Summer - 4.7 Winter

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

Climate	Union, Oregon	United States
	17.9 in.	38.1 in.
	27.7 in.	27.8 in.
	111.1 days	106.2 days
	190 days	205 days
	85.6°	85.8°
	24.8°	21.7°
	6.9	7
	3.9	4.3
	4318 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.

August is the hottest month for Union County with an average high temperature of 85.8°, which ranks it as warmer than most places in Oregon. In Union County, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Union County are September, June and July.

In Union County, there are 24.8 days annually when the high temperature is over 90°, which is hotter than most places in Oregon.

December has the coldest nighttime temperatures for Union County with an average of 23.7°. This is colder than most places in Oregon.

In Union County, there are 130.7 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Oregon.

In Union County, there are 2.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Oregon.

Humidity is low in Union County, 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.

November is the wettest month in Union County with 2.2 inches of rain, and the driest month is July with 0.7 inches. The wettest season is Summer with 31% of yearly precipitation and 17% occurs in Autumn, which is the driest season. The annual rainfall of 17.9 inches in Union County means that it is drier than most places in Oregon.

November is the rainiest month in Union County with 13.1 days of rain, and August is the driest month with only 4.0 rainy days. There are 111.1 rainy days annually in Union County, which is less rainy than most places in Oregon. The rainiest season is Summer when it rains 31% of the time and the driest is Autumn with only a 16% chance of a rainy day.

An annual snowfall of 27.7 inches in Union County means that it is snowier than most places in Oregon. January is the snowiest month in Union County with 8.5 inches of snow, and 6 months of the year have significant snowfall.

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