Lewis County, Idaho 

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United States / Idaho / No Metro Area / Lewis County / Cities / Zip Codes
Idaho Gifts

Climate in Lewis County, Idaho

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

Lewis County averages 52 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 169 sunny days per year in Lewis County. The US average is 205 sunny days.

Lewis County gets some kind of precipitation, on average, 131 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 81 degrees
Winter Low: the January low is 23
Rain: averages 23 inches of rain a year
Snow: averages 52 inches of snow a year


BESTPLACES COMFORT INDEX

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

6.5 / 10
July, August and September are the most pleasant months in Lewis County, while December and January are the least comfortable months.

Climate Averages
  Lewis, IdahoUnited States
  23.4 in.38.1 in.
  51.6 in.27.8 in.
  131.2 days106.2 days
  169 days205 days
  80.9°85.8°
  23.3°21.7°
  6.57
  3.14.3
  3405 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.


August is the hottest month for Lewis County with an average high temperature of 81.6°, which ranks it as cooler than most places in Idaho. In Lewis County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Lewis County are July, August and September.


December has the coldest nighttime temperatures for Lewis County with an average of 21.6°. This is warmer than most places in Idaho.


In Lewis County, there are 13.2 days annually when the high temperature is over 90°, which is cooler than most places in Idaho.


In Lewis County, there are 150.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Idaho.


In Lewis County, there are 3.0 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Idaho.


May is the wettest month in Lewis County with 3.1 inches of rain, and the driest month is August with 1.0 inches. The wettest season is Summer with 34% of yearly precipitation and 20% occurs in Autumn, which is the driest season. The annual rainfall of 23.4 inches in Lewis County means that it is wetter than most places in Idaho.


November is the rainiest month in Lewis County with 14.9 days of rain, and August is the driest month with only 5.6 rainy days. There are 131.2 rainy days annually in Lewis County, which is rainier than most places in Idaho. The rainiest season is Summer when it rains 31% of the time and the driest is Autumn with only a 18% chance of a rainy day.


An annual snowfall of 51.6 inches in Lewis County means that it is snowier than most places in Idaho. January is the snowiest month in Lewis County with 12.9 inches of snow, and 8 months of the year have significant snowfall.





  • Annual Rainfall (US Avg: 36.5")
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    MAPS OF LEWIS COUNTY, IDAHO
    ZIP CODES IN LEWIS COUNTY, IDAHO
    83536 83543 83523 83555 83548


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