Granger, IA Climate


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The climate in Granger, IA is generally mild and pleasant. The summers are warm with temperatures that reach into the high 80s while the winters are cool with temperatures dipping to the low 20s. Rainfall is plentiful throughout the year, with an average of around 33 inches each year. Snowfall is also common in winter months and averages around 22 inches per year. When it comes to temperature extremes, Granger can experience extremes from -10°F to 105°F.

Granger, Iowa gets 35 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Granger averages 31 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 Granger. The US average is 205 sunny days.

Granger gets some kind of precipitation, on average, 108 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 11
Rain: averages 35 inches of rain a year
Snow: averages 31 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Granger is 6.9 (10=best), which means it is more comfortable than most places in Iowa.

8.7 Summer - 4.6 Winter
June, September and August are the most pleasant months in Granger, while January and December are the least comfortable months.

  ClimateGranger, IowaUnited States
  35.3 in.38.1 in.
  30.7 in.27.8 in.
  107.7 days106.2 days
  202 days205 days
  85.4°85.8°
  11.2°21.7°
  6.97
  3.94.3
  892 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 Granger with an average high temperature of 85.4°, which ranks it as warmer than most places in Iowa. In Granger, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Granger are September, June and August.
In Granger, there are 18.0 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.
January has the coldest nighttime temperatures for Granger with an average of 11.2°. This is warmer than most places in Iowa.
In Granger, there are 143.1 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.
In Granger, there are 15.7 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.
The humidity is usually comfortable in Granger 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 Granger with 5.2 inches of rain, and the driest month is January with 0.9 inches. The wettest season is Autumn with 40% of yearly precipitation and 9% occurs in Spring, which is the driest season. The annual rainfall of 35.3 inches in Granger means that it is about average compared to other places in Iowa.
May is the rainiest month in Granger with 12.5 days of rain, and February is the driest month with only 6.7 rainy days. There are 107.7 rainy days annually in Granger, which is rainier than most places in Iowa. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 20% chance of a rainy day.
An annual snowfall of 30.7 inches in Granger means that it is about average compared to other places in Iowa. February is the snowiest month in Granger with 7.6 inches of snow, and 6 months of the year have significant snowfall.
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