Weather Forecast and Radar for Posen, Illinois

Weather in Posen, IL

Posen, Illinois, located in the United States, experiences four distinct seasons each year. In the wintertime, temperatures typically range from the low 20s to the mid-30s Fahrenheit (about -6 to 1 degree Celsius). Snow is not uncommon, especially in the months of December and January.

In the spring, temperatures range from the mid-30s to the mid-50s Fahrenheit (about 1 to 12 degrees Celsius). Rainfall is most common in the months of April and May.

When summer arrives, temperatures average from the mid-60s to the mid-80s Fahrenheit (about 18 to 30 degrees Celsius). The months of June, July, and August are typically the driest and hottest months of the year.

Finally, during the fall, temperatures range from the mid-50s to the mid-70s Fahrenheit (about 12 to 23 degrees Celsius). October is usually the wettest month of the year.

Regardless of the season, Posen, Illinois experiences some degree of humidity throughout the year.

Fast Facts About Posen, IL

As of 2020, the city population is 5772.

Major Cities Nearby Posen, IL

This map shows the current & 7-day weather forecast, weather alerts, and weather radar for Posen, Illinois.