Boise City Metro Area, ID Climate

The Boise City, ID Metro Area enjoys a mild climate with warm summers and cold winters. The area is located in the high desert of the Intermountain West and experiences hot, dry summer days with temperatures reaching into the 90s F and mild evenings. In winter, temperatures usually dip to freezing or slightly below, allowing for ample snowfall during the season. Precipitation is low overall compared to other areas of the country due to its location in a semi-arid desert region.

Boise City Metro Area, Idaho gets 13 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Boise City Metro Area averages 22 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 214 sunny days per year in Boise City Metro Area. The US average is 205 sunny days.

Boise City Metro Area gets some kind of precipitation, on average, 84 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 91 degrees
Winter Low: the January low is 21
Rain: averages 13 inches of rain a year
Snow: averages 22 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for the Boise City metro area is 7.1 (10=best), which means it is more comfortable than most places in Idaho.

8.5 Summer - 4.9 Winter

June, September and May are the most pleasant months in the Boise City metro area, while December and January are the least comfortable months.

Climate	Boise City, Idaho	United States
	13.4 in.	38.1 in.
	22.4 in.	27.8 in.
	83.9 days	106.2 days
	214 days	205 days
	90.6°	85.8°
	21.4°	21.7°
	7.1	7
	4.1	4.3
	3883 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 the Boise City metro area with an average high temperature of 90.6°, which ranks it as warmer than most places in Idaho. In the Boise City metro area, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for the Boise City metro area are September, June and May.

In the Boise City metro area, there are 46.3 days annually when the high temperature is over 90°, which is hotter than most places in Idaho.

December has the coldest nighttime temperatures for the Boise City metro area with an average of 20.7°. This is warmer than most places in Idaho.

In the Boise City metro area, there are 136.0 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Idaho.

In the Boise City metro area, there are 5.3 days annually when the nighttime low temperature falls below zero°, which is about average compared to other places in Idaho.

Humidity is low in the Boise City metro area, 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 the Boise City metro area with 2.0 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Spring with 36% of yearly precipitation and 10% occurs in Autumn, which is the driest season. The annual rainfall of 13.4 inches in the Boise City metro area means that it is about average compared to other places in Idaho.

December is the rainiest month in the Boise City metro area with 10.7 days of rain, and August is the driest month with only 2.4 rainy days. There are 83.9 rainy days annually in the Boise City metro area, which is less rainy than most places in Idaho. The rainiest season is Spring when it rains 34% of the time and the driest is Autumn with only a 12% chance of a rainy day.

An annual snowfall of 22.4 inches in the Boise City metro area means that it is less snowy than most places in Idaho. December is the snowiest month in the Boise City metro area with 7.9 inches of snow, and 5 months of the year have significant snowfall.

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