Boise, Idaho 

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Climate in Boise, Idaho

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

Boise averages 18 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 206 sunny days per year in Boise. The US average is 205 sunny days.

Boise gets some kind of precipitation, on average, 87 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 24
Rain: averages 13 inches of rain a year
Snow: averages 18 inches of snow a year


BESTPLACES COMFORT INDEX

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

8.5 / 5.1

Summer   /   Winter
September, June and May are the most pleasant months in Boise, while December and January are the least comfortable months.

Climate Averages
  Boise, IdahoUnited States
  13.0 in.38.1 in.
  17.5 in.27.8 in.
  87.0 days106.2 days
  206 days205 days
  91.6°85.8°
  23.7°21.7°
  7.37
  4.14.3
  2700 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 with an average high temperature of 91.6°, which ranks it as one of the hottest places in Idaho. In Boise, there are 3 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Boise are September, June and May.


In Boise, there are 51.0 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 Boise with an average of 22.7°. This is warmer than most places in Idaho.


In Boise, there are 114.9 days annually when the nighttime low temperature falls below freezing, which is one of the warmest places in Idaho.


In Boise, there are 2.8 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Idaho.


Humidity is low in Boise, 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 Boise with 1.9 inches of rain, and the driest month is July with 0.3 inches. The wettest season is Spring with 35% of yearly precipitation and 10% occurs in Autumn, which is the driest season. The annual rainfall of 13.0 inches in Boise means that it is about average compared to other places in Idaho.


December is the rainiest month in Boise with 11.3 days of rain, and August is the driest month with only 2.3 rainy days. There are 87.0 rainy days annually in Boise, which is less rainy than most places in Idaho. The rainiest season is Spring when it rains 35% of the time and the driest is Autumn with only a 12% chance of a rainy day.


An annual snowfall of 17.5 inches in Boise means that it is less snowy than most places in Idaho. December is the snowiest month in Boise with 6.4 inches of snow, and 5 months of the year have significant snowfall.





  • Annual Rainfall (US Avg: 36.5")
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    Reviews for Boise    130 Reviews
    Wonderful city with incredible outdoor lifestyle - 10/1/2021
    We’ve been in Boise for about two years. To be upfront about my biases, we love it here, so keep that in mind. That said, this review is my attempt to provide a balanced... Read More

    Start Your Review of Boise


    Crowded House - 7/29/2021
    Looking for a rental?  On 7/28/21 Boise Dev reported Boise rent prices have gone up faster than anywhere in the US. They've jumped 39% since March 2020. According to... Read More

    Racist & boring - 7/15/2021
    Boring ass place full of... Read More
    Glo |  | Reply | 2 Replies


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