Patterson, IA Climate


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Patterson, IA has a humid continental climate with hot summers and cold winters. The average temperature in the summer months ranges from 70°F to 85°F while winter temperatures can get as low as 0°F. Precipitation is plentiful throughout the year, with an average of 30 inches annually, with most of it falling between April and September. The area receives an average of 162 days of sunshine each year.

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

Patterson averages 31 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 198 sunny days per year in Patterson. The US average is 205 sunny days.

Patterson gets some kind of precipitation, on average, 101 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 12
Rain: averages 36 inches of rain a year
Snow: averages 31 inches of snow a year


Bestplaces Comfort Index

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

8.7 Summer - 4.8 Winter
June, September and August are the most pleasant months in Patterson, while January and December are the least comfortable months.

  ClimatePatterson, IowaUnited States
  35.7 in.38.1 in.
  30.6 in.27.8 in.
  101.3 days106.2 days
  198 days205 days
  84.8°85.8°
  12.3°21.7°
  77
  3.84.3
  889 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 Patterson with an average high temperature of 84.8°, which ranks it as warmer than most places in Iowa. In Patterson, there are 5 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Patterson are September, June and August.
In Patterson, there are 15.0 days annually when the high temperature is over 90°, which is hotter than most places in Iowa.
January has the coldest nighttime temperatures for Patterson with an average of 12.3°. This is warmer than most places in Iowa.
In Patterson, there are 138.2 days annually when the nighttime low temperature falls below freezing, which is warmer than most places in Iowa.
In Patterson, there are 14.4 days annually when the nighttime low temperature falls below zero°, which is warmer than most places in Iowa.
The humidity is usually comfortable in Patterson 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 Patterson are July, August and June.
June is the wettest month in Patterson with 4.9 inches of rain, and the driest month is January with 0.9 inches. The wettest season is Autumn with 37% of yearly precipitation and 10% occurs in Spring, which is the driest season. The annual rainfall of 35.7 inches in Patterson means that it is about average compared to other places in Iowa.
May is the rainiest month in Patterson with 12.1 days of rain, and January is the driest month with only 6.0 rainy days. There are 101.3 rainy days annually in Patterson, which is rainier than most places in Iowa. The rainiest season is Summer when it rains 30% of the time and the driest is Spring with only a 19% chance of a rainy day.
An annual snowfall of 30.6 inches in Patterson means that it is about average compared to other places in Iowa. February is the snowiest month in Patterson with 7.7 inches of snow, and 7 months of the year have significant snowfall.
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