Does It Snow in Illinois – Snowfall Information

Does It Snow In Illinois

Illinois is a state located in the Midwest region of the United States. As a northern state, it experiences cold winters. One of the most significant winter experiences is snowfall. Many people wonder how much does it snow in Illinois each year. This article will provide an insight into the typical snowfall patterns in Illinois, including information on how much it snows in the state on average each year.

Key Takeaways

  • Illinois experiences snowfall during the winter months.
  • The state has a typical snowfall pattern each year.
  • There are differences in snowfall between northern and southern regions.
  • Winter temperatures in Illinois can get very cold.
  • Annual snowfall in Illinois varies by region.

Snowfall Patterns Across Illinois

Illinois experiences a continental climate with cold winters and hot summers. The state is known for its winter weather and snowfall, with an average annual snowfall of 32.6 inches.

The snowiest month in Illinois varies by location, but it typically falls between December and February. The average snow accumulation during the winter season is around 29 inches.

The annual average snowfall varies across the state. In northern Illinois, the annual average snowfall can range from 35.2 inches in Rockford to 47 inches in Chicago. Central Illinois sees an annual average snowfall of around 25.8 inches, while southern Illinois only receives an annual average of 10.3 inches.

It’s important to note that these are just averages, and snowfall patterns can vary greatly from year to year. Some winters may see little to no snow, while others may bring significant amounts of snowfall.

Winter Temperatures in Illinois

Illinois winters can be quite harsh, with temperatures often dropping well below freezing. The average low temperature in Illinois during the winter months is around 20 degrees Fahrenheit, with some areas experiencing temperatures as low as -20 degrees Fahrenheit.

How cold does it get?

The coldest temperature ever recorded in Illinois was -38 degrees Fahrenheit in 1999. While temperatures that low are rare, it’s not uncommon for temperatures to dip below zero during the winter months in many areas of the state.

Low temperature and how cold is it?

The winter months in Illinois are characterized by cold temperatures and occasional snowfall. The state experiences an average of 32.6 inches of snow per year, with some areas receiving significantly more snow than others.

Average Annual

The average annual snowfall in Illinois varies depending on the region, with northern areas of the state receiving more snow than southern areas. Overall, the state’s average annual snowfall is around 32.6 inches.

Snowfall in Northern Illinois

Illinois is known for its harsh winters, with snowfall being a common occurrence. However, snowfall patterns differ across the state, with some regions receiving more snow than others. Northern Illinois is one of the regions that typically gets the most snow during the winter months.

Regions That Get Snow

The northernmost regions of Illinois, such as Chicago and Rockford, are the areas that receive the most snow in the state. These areas can receive up to 40 inches of snow per year on average.

Possibility of Snowfall

While the northern regions of Illinois are the most likely to receive snowfall, it’s important to note that snow is not guaranteed every year. The amount of snow that falls can vary from year to year based on weather patterns and other factors. However, the possibility of snowfall is certainly higher in the northern parts of the state compared to the southern regions.

How Cold Does It Get?

Winter temperatures in northern Illinois can range from chilly to downright frigid. The average low temperature during the winter months is around 20 degrees Fahrenheit, but temperatures can drop well below zero during particularly cold snaps. It’s important for residents of northern Illinois to be prepared for cold weather, particularly when heavy snowfall and cold temperatures combine to create difficult driving conditions.

Snow Accumulation

When heavy snowfall does occur in northern Illinois, it can accumulate quickly. Snow removal can be challenging for residents and businesses alike, particularly in heavily populated areas such as Chicago. However, many municipalities in the region have systems in place to clear snow from roads and keep residents safe during even the most severe winter weather.

Snowfall in Southern Illinois

While northern Illinois is known for its snowy winters, southern Illinois also experiences snowfall during the winter months. The southern region of Illinois typically receives less snow than the northern region, but there are still areas that get a significant amount of snow.

Regions such as Carbondale, Marion, and Mount Vernon in southern Illinois have the highest chance of seeing snow during the winter months. The average annual snowfall in Carbondale is around 10 inches, while Marion receives an average of 7 inches of snow per year.

The possibility of snowfall in southern Illinois depends on the weather patterns during the winter months. Generally, the southern region of Illinois has milder winter temperatures compared to the northern region, but snow is still possible.

The average annual low temperature in southern Illinois is around 30 degrees Fahrenheit, but temperatures can drop below zero during cold spells. Therefore, it is important to be prepared for winter weather when living in or visiting southern Illinois.


In summary, the winter season in Illinois can bring varying degrees of snowfall across the state. The northern region typically experiences higher snow accumulation and lower temperatures compared to the southern region, which has milder winters. The average annual snowfall ranges from 25-40 inches in the central portion of the state to over 50 inches in the northernmost counties. The snowiest month varies across Illinois, but January is generally the month with the most snow.

Northern and Southern Illinois

When it comes to winter weather in Illinois, there are noticeable differences between the northern and southern parts of the state. Northern Illinois typically experiences more snowfall and colder temperatures, while the southern regions receive less snow and have milder winters. The average annual snowfall is around 35 inches for northern Illinois and 10-15 inches for southern Illinois.

Month in Illinois

January is the month with the most snowfall across Illinois. However, the exact timing and amount of snowfall can vary based on geographic location and weather patterns. It’s important for residents and visitors to stay informed on weather forecasts and prepared for inclement weather during the winter months.

Average Annual Snow

The average annual snowfall in Illinois ranges from 10-15 inches in the southern region to over 50 inches in the northernmost counties. Central Illinois experiences an average annual snowfall of around 20-35 inches. While snowfall can vary year to year, residents and visitors should be prepared for winter weather and have appropriate gear and transportation options available.

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