Valley County, ID Climate

Valley, ID County has a mild climate with hot summers and cold winters. The temperatures range from the low to mid 70s during the summer months, down to around 20 degrees in winter. Rainfall is moderate throughout the year, with the highest amounts occurring in summer and early autumn. Snowfall is also common in the winter months. Valley, ID County experiences all four seasons in a full cycle each year, making it an ideal place for outdoor activities like hiking and camping.

Valley County, Idaho gets 23 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Valley County averages 105 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 207 sunny days per year in Valley County. The US average is 205 sunny days.

Valley County gets some kind of precipitation, on average, 122 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 80 degrees
Winter Low: the January low is 12
Rain: averages 23 inches of rain a year
Snow: averages 105 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Valley County is 5.9 (10=best), which means it is one of the least comfortable places in Idaho.

8.7 Summer - 3 Winter

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

Climate	Valley, Idaho	United States
	23.3 in.	38.1 in.
	104.6 in.	27.8 in.
	121.7 days	106.2 days
	207 days	205 days
	80.1°	85.8°
	11.6°	21.7°
	5.9	7
	3.9	4.3
	6476 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 Valley County with an average high temperature of 80.1°, which ranks it as one of the coolest places in Idaho. In Valley County, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Valley County are August, July and September.

In Valley County, there are 5.2 days annually when the high temperature is over 90°, which is one of the coolest places in Idaho.

December has the coldest nighttime temperatures for Valley County with an average of 11.0°. This is colder than most places in Idaho.

In Valley County, there are 227.2 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Idaho.

In Valley County, there are 18.0 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Idaho.

Humidity is very low in Valley 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 Valley County with 3.0 inches of rain, and the driest month is July with 0.8 inches. The wettest season is Spring with 32% of yearly precipitation and 15% occurs in Autumn, which is the driest season. The annual rainfall of 23.3 inches in Valley County means that it is wetter than most places in Idaho.

November is the rainiest month in Valley County with 14.0 days of rain, and July is the driest month with only 4.8 rainy days. There are 121.7 rainy days annually in Valley County, which is rainier than most places in Idaho. The rainiest season is Spring when it rains 32% of the time and the driest is Autumn with only a 17% chance of a rainy day.

An annual snowfall of 104.6 inches in Valley County means that it is one of the snowiest places in Idaho. December is the snowiest month in Valley County with 27.5 inches of snow, and 8 months of the year have significant snowfall.

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