Armstrong, IA Climate


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United States / Iowa / No Metro Area / Emmet County / Armstrong / Zip Codes
Armstrong, IA has a humid continental climate with very warm summers and cold winters. The average temperature in the summer is around 72°F, while in winter it can drop as low as 16°F. Precipitation levels are generally high all year round, with an average of 33 inches per year. Snowfall is also common during the winter months, and can be quite heavy at times. The humidity levels in Armstrong tend to remain quite high throughout the year due to its close proximity to the Missouri River Valley.

Armstrong, Iowa gets 31 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Armstrong averages 39 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 202 sunny days per year in Armstrong. The US average is 205 sunny days.

Armstrong gets some kind of precipitation, on average, 95 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 83 degrees
Winter Low: the January low is 6
Rain: averages 31 inches of rain a year
Snow: averages 39 inches of snow a year

Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Armstrong is 6.7 (10=best), which means it is less comfortable than most places in Iowa.

9.1 Summer - 4.1 Winter
August, June and July are the most pleasant months in Armstrong, while January and December are the least comfortable months.

  ClimateArmstrong, IowaUnited States
    Unlock38.1 in.
  38.7 in.  Unlock
    Unlock106.2 days
  202 days  Unlock
  82.7°85.8°
    Unlock21.7°
  6.7  Unlock
    Unlock4.3
  1250 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 Armstrong with an average high temperature of 82.7°, which ranks it as cooler than most places in Iowa. In Armstrong, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Armstrong are June, August and July.
In Armstrong, there are 8.7 days annually when the high temperature is over 90°, which is cooler than most places in Iowa.
January has the coldest nighttime temperatures for Armstrong with an average of 5.6°. This is one of the coldest places in Iowa.
In Armstrong, there are 164.7 days annually when the nighttime low temperature falls below freezing, which is one of the coldest places in Iowa.
In Armstrong, there are 27.7 days annually when the nighttime low temperature falls below zero°, which is one of the coldest places in Iowa.
The humidity is usually comfortable in Armstrong but some summer months can be sticky or muggy. July is the most humid month, though humidity is low for most of the year. The most humid months are July, August and June.
June is the wettest month in Armstrong with 4.6 inches of rain, and the driest month is February with 0.5 inches. The wettest season is Autumn with 42% of yearly precipitation and 7% occurs in Spring, which is the driest season. The annual rainfall of 30.7 inches in Armstrong means that it is one of the driest places in Iowa.
May is the rainiest month in Armstrong with 11.2 days of rain, and February is the driest month with only 4.9 rainy days. There are 95.2 rainy days annually in Armstrong, which is less rainy than most places in Iowa. The rainiest season is Autumn when it rains 30% of the time and the driest is Spring with only a 17% chance of a rainy day.
An annual snowfall of 38.7 inches in Armstrong means that it is one of the snowiest places in Iowa. December is the snowiest month in Armstrong with 10.2 inches of snow, and 6 months of the year have significant snowfall.
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