Boise County, Idaho 

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Climate in Boise County, Idaho

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

Boise County averages 73 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 Boise County. The US average is 205 sunny days.

Boise County gets some kind of precipitation, on average, 92 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 85 degrees
Winter Low: the January low is 12
Rain: averages 22 inches of rain a year
Snow: averages 73 inches of snow a year


BESTPLACES COMFORT INDEX

The annual BestPlaces Comfort Index for Boise County is 6.4 (10=best), which means it is less comfortable than most places in Idaho.

6.4 / 10
July, September and August are the most pleasant months in Boise County, while December and January are the least comfortable months.

Climate Averages
  Boise, IdahoUnited States
  22.3 in.38.1 in.
  73.3 in.27.8 in.
  91.8 days106.2 days
  210 days205 days
  84.7°85.8°
  12.4°21.7°
  6.47
  4.14.3
  5521 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 Boise County with an average high temperature of 84.7°, which ranks it as about average compared to other places in Idaho. In Boise County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Boise County are September, June and August.


December has the coldest nighttime temperatures for Boise County with an average of 12.3°. This is colder than most places in Idaho.


In Boise County, there are 21.0 days annually when the high temperature is over 90°, which is about average compared to other places in Idaho.


In Boise County, there are 213.6 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Idaho.


In Boise County, there are 20.1 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Idaho.


December is the wettest month in Boise County with 3.5 inches of rain, and the driest month is August with 0.5 inches. The wettest season is Spring with 39% of yearly precipitation and 11% occurs in Autumn, which is the driest season. The annual rainfall of 22.3 inches in Boise County means that it is wetter than most places in Idaho.


December is the rainiest month in Boise County with 11.3 days of rain, and August is the driest month with only 2.9 rainy days. There are 91.8 rainy days annually in Boise County, 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 14% chance of a rainy day.


An annual snowfall of 73.3 inches in Boise County means that it is snowier than most places in Idaho. December is the snowiest month in Boise County with 23.0 inches of snow, and 7 months of the year have significant snowfall.





CLIMATE MAP
  • Annual Rainfall (US Avg: 36.5")
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    MAPS OF BOISE COUNTY, IDAHO
    ZIP CODES IN BOISE COUNTY, IDAHO
    83622 83629 83631 83637 83666 83602

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