Montgomery County, IA Climate


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United States / Iowa / No Metro Area / Montgomery County / Cities / Zip Codes
Montgomery County, IA has a humid continental climate, characterized by four distinct seasons. Summers are hot and humid, with temperatures often reaching into the 90s and high humidity levels. Winters are cold, with temperatures typically ranging from 20 to 30 degrees Fahrenheit. Spring and autumn are usually mild with moderate temperatures and occasional rainfall. Precipitation is evenly distributed throughout the year, although summer months tend to be slightly wetter than winter months. The county experiences an average of 39 inches of snowfall annually.

Montgomery County, Iowa gets 36 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Montgomery County averages 27 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 215 sunny days per year in Montgomery County. The US average is 205 sunny days.

Montgomery County gets some kind of precipitation, on average, 98 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 86 degrees
Winter Low: the January low is 12
Rain: averages 36 inches of rain a year
Snow: averages 27 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Montgomery County is 7.0 (10=best), which means it is more comfortable than most places in Iowa.

8.6 Summer - 5 Winter
June, September and August are the most pleasant months in Montgomery County, while January and December are the least comfortable months.

  ClimateMontgomery, IowaUnited States
    Unlock38.1 in.
  27.0 in.  Unlock
    Unlock106.2 days
  215 days  Unlock
  85.8°85.8°
    Unlock21.7°
  7  Unlock
    Unlock4.3
  1160 ft.  Unlock
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 Montgomery County with an average high temperature of 85.8°, which ranks it as one of the hottest places in Iowa. In Montgomery County, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Montgomery County are September, June and May.
In Montgomery County, there are 19.9 days annually when the high temperature is over 90°, which is one of the hottest places in Iowa.
January has the coldest nighttime temperatures for Montgomery County with an average of 11.8°. This is warmer than most places in Iowa.
In Montgomery County, there are 146.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.
In Montgomery County, there are 14.3 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.
The humidity is usually comfortable in Montgomery County but some summer months can be unpleasant. July is the most humid month, though humidity is low for most of the year. The most humid months in Montgomery County are July, August and June.
June is the wettest month in Montgomery County with 5.3 inches of rain, and the driest month is January with 0.9 inches. The wettest season is Autumn with 38% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 36.1 inches in Montgomery County means that it is wetter than most places in Iowa.
May is the rainiest month in Montgomery County with 12.4 days of rain, and January is the driest month with only 4.9 rainy days. There are 98.0 rainy days annually in Montgomery County, which is about average compared to other places in Iowa. The rainiest season is Summer when it rains 31% of the time and the driest is Spring with only a 17% chance of a rainy day.
An annual snowfall of 27.0 inches in Montgomery County means that it is less snowy than most places in Iowa. February is the snowiest month in Montgomery County with 7.2 inches of snow, and 6 months of the year have significant snowfall.
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