Adams County, ID Climate

Adams County, ID has a cold semi-arid climate characterized by mild summers and cold winters. In summer, temperatures range from an average high of around 77 °F (25 °C) to an average low of around 45 °F (7 °C). In winter, temperatures can drop below freezing, with an average low of 22 °F (-6 °C). Precipitation is generally light in Adams County, averaging about 9 inches (23 cm) per year. Snowfall can be heavy at times and can blanket the area for several months during the winter. Despite the colder temperatures and drier climate in Adams County compared to other parts of Idaho, it still supports numerous varieties of native vegetation and wildlife.

Adams County, Idaho gets 22 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Adams County averages 75 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 202 sunny days per year in Adams County. The US average is 205 sunny days.

Adams County gets some kind of precipitation, on average, 104 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 89 degrees
Winter Low: the January low is 15
Rain: averages 22 inches of rain a year
Snow: averages 75 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Adams County is 6.5 (10=best), which means it is less comfortable than most places in Idaho.

8.4 Summer - 3.8 Winter

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

Climate	Adams, Idaho	United States
	21.6 in.	38.1 in.
	75.4 in.	27.8 in.
	103.7 days	106.2 days
	202 days	205 days
	89.3°	85.8°
	15.1°	21.7°
	6.5	7
	3.9	4.3
	4787 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 Adams County with an average high temperature of 89.3°, which ranks it as warmer than most places in Idaho. In Adams County, there are 2 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Adams County are September, June and May.

In Adams County, there are 41.0 days annually when the high temperature is over 90°, which is hotter than most places in Idaho.

January has the coldest nighttime temperatures for Adams County with an average of 15.1°. This is colder than most places in Idaho.

In Adams County, there are 172.6 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Idaho.

In Adams County, there are 11.6 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Idaho.

Humidity is low in Adams 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.

December is the wettest month in Adams County with 3.3 inches of rain, and the driest month is July with 0.6 inches. The wettest season is Spring with 37% of yearly precipitation and 12% occurs in Autumn, which is the driest season. The annual rainfall of 21.6 inches in Adams County means that it is wetter than most places in Idaho.

December is the rainiest month in Adams County with 12.7 days of rain, and August is the driest month with only 3.5 rainy days. There are 103.7 rainy days annually in Adams County, which is rainier than most places in Idaho. The rainiest season is Spring when it rains 33% of the time and the driest is Autumn with only a 14% chance of a rainy day.

An annual snowfall of 75.4 inches in Adams County means that it is snowier than most places in Idaho. January is the snowiest month in Adams County with 23.4 inches of snow, and 7 months of the year have significant snowfall.

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