Wenona, IL Climate


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United States / Illinois / No Metro Area / Marshall County / Wenona / Zip Codes
Wenona, IL has a humid continental climate. Summers tend to be hot and humid with temperatures around 84°F and high humidity levels. Winters are cold, with temperatures typically hovering around 25°F. Precipitation is fairly evenly distributed throughout the year, with an average of 37 inches of rainfall annually. Snowfall in Wenona can range from light to moderate, but generally remains below 20 inches for the season. The area experiences all four seasons quite distinctly, making it a great place to experience the beauty of every season.

Wenona, Illinois gets 38 inches of rain, on average, per year. The US average is 38 inches of rain per year.

Wenona averages 21 inches of snow per year. The US average is 28 inches of snow per year.

On average, there are 190 sunny days per year in Wenona. The US average is 205 sunny days.

Wenona gets some kind of precipitation, on average, 103 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 14
Rain: averages 38 inches of rain a year
Snow: averages 21 inches of snow a year


Bestplaces Comfort Index

The annual BestPlaces Comfort Index for Wenona is 7.1 (10=best), which means it is more comfortable than most places in Illinois.

8.7 Summer - 4.9 Winter
June, September and August are the most pleasant months in Wenona, while January and December are the least comfortable months.

  ClimateWenona, IllinoisUnited States
    Unlock38.1 in.
  21.1 in.  Unlock
    Unlock106.2 days
  190 days  Unlock
  85.0°85.8°
    Unlock21.7°
  7.1  Unlock
    Unlock4.3
  699 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 Wenona with an average high temperature of 85.0°, which ranks it as about average compared to other places in Illinois. In Wenona, there are 4 comfortable months with high temperatures in the range of 70-85°. The most pleasant months of the year for Wenona are September, June and May.
In Wenona, there are 18.3 days annually when the high temperature is over 90°, which is about average compared to other places in Illinois.
January has the coldest nighttime temperatures for Wenona with an average of 14.4°. This is colder than most places in Illinois.
In Wenona, there are 130.5 days annually when the nighttime low temperature falls below freezing, which is colder than most places in Illinois.
In Wenona, there are 10.2 days annually when the nighttime low temperature falls below zero°, which is colder than most places in Illinois.
The humidity is usually comfortable in Wenona 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.
May is the wettest month in Wenona with 4.3 inches of rain, and the driest month is February with 1.8 inches. The wettest season is Autumn with 31% of yearly precipitation and 16% occurs in Spring, which is the driest season. The annual rainfall of 38.1 inches in Wenona means that it is drier than most places in Illinois.
May is the rainiest month in Wenona with 10.6 days of rain, and February is the driest month with only 6.5 rainy days. There are 103.0 rainy days annually in Wenona, which is less rainy than most places in Illinois. The rainiest season is Summer when it rains 29% of the time and the driest is Spring with only a 22% chance of a rainy day.
An annual snowfall of 21.1 inches in Wenona means that it is about average compared to other places in Illinois. January is the snowiest month in Wenona with 6.8 inches of snow, and 6 months of the year have significant snowfall.
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