Owyhee County, ID Climate

Owyhee County, Idaho is located in the southwestern part of the state and has a semi-arid climate. Summers are hot and dry with temperatures reaching up to 95 °F while winters are mild with temperatures rarely dropping below freezing. Precipitation is low, usually around 5-7 inches per year, and most of it falls during the late winter months. Snowfall is also minimal, with most years receiving less than 30 inches. Despite its arid climate, Owyhee County still offers plenty of opportunities to explore its diverse landscapes and many outdoor activities.

Owyhee County, Idaho gets 10 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Owyhee County averages 7 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 210 sunny days per year in Owyhee County. The US average is 205 sunny days.

Owyhee County gets some kind of precipitation, on average, 70 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 92 degrees
Winter Low: the January low is 23
Rain: averages 10 inches of rain a year
Snow: averages 7 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Owyhee County is 7.3 (10=best), which means it is one of the most pleasant places in Idaho.

8.3 Summer - 5.4 Winter

June, September and May are the most pleasant months in Owyhee County, while December and January are the least comfortable months.

Climate	Owyhee, Idaho	United States
	9.6 in.	38.1 in.
	7.2 in.	27.8 in.
	69.8 days	106.2 days
	210 days	205 days
	92.1°	85.8°
	22.7°	21.7°
	7.3	7
	4.1	4.3
	4781 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 Owyhee County with an average high temperature of 92.1°, which ranks it as one of the hottest places in Idaho. In Owyhee County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Owyhee County are September, May and June.

In Owyhee County, there are 54.0 days annually when the high temperature is over 90°, which is one of the hottest places in Idaho.

December has the coldest nighttime temperatures for Owyhee County with an average of 21.7°. This is warmer than most places in Idaho.

In Owyhee County, there are 129.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Idaho.

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

Humidity is very low in Owyhee 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.

December is the wettest month in Owyhee County with 1.2 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Summer with 33% of yearly precipitation and 14% occurs in Autumn, which is the driest season. The annual rainfall of 9.6 inches in Owyhee County means that it is one of the driest places in Idaho.

December is the rainiest month in Owyhee County with 8.5 days of rain, and August is the driest month with only 1.9 rainy days. There are 69.8 rainy days annually in Owyhee County, which is one of the least rainy places in Idaho. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 13% chance of a rainy day.

An annual snowfall of 7.2 inches in Owyhee County means that it is one of the least snowy places in Idaho. December is the snowiest month in Owyhee County with 3.2 inches of snow, and 4 months of the year have significant snowfall.

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