Chicago has a continental climate, which means it experiences very distinct four seasons.

Each season—spring, summer, autumn, and winter—has a clearly different feel, so if you are planning a trip or a move, you should prepare according to the season.

Spring and Autumn: Unpredictable Seasons

Spring gradually warms up, but mornings and evenings are still quite chilly.
Autumn tends to have relatively mild weather, and thanks to the warm waters of Lake Michigan, temperatures drop slowly. This makes autumn feel a bit longer and more romantic compared to other inland cities.

Summer: Hot but Refreshing Weather

Chicago summers are usually hot and humid. However, thanks to Lake Michigan, a cool breeze often blows near the lake.
The lake breeze can lower the temperature, and especially in the evenings, it often becomes quite cool, making it perfect for a walk.

Winter: A Season of Cold and Heavy Snow

Winters in Chicago are really cold. It's not just cold; the wind makes the perceived temperature much lower.
For example, even if the temperature is -5 degrees Celsius, it can feel like -15 degrees with the wind. Additionally, due to Lake Michigan, a phenomenon called "Lake Effect Snow" often causes sudden heavy snowfall.

Lake Michigan has a significant impact on Chicago's weather. Without this lake, Chicago would likely have drier and more extreme weather than it does now.

Lake Effect Snow

In winter, cold winds pass over the warm waters of Lake Michigan, absorbing moisture.
This moisture forms clouds, which then dump snow on Chicago and the surrounding areas. Therefore, on some days, heavy snow can fall unexpectedly, even when it's not in the weather forecast.
This phenomenon is particularly pronounced in the northeastern part of Chicago.

Cool Breezes in Summer

In summer, Lake Michigan acts like a giant air conditioner.
While the entire city is hot and humid, going near the lake often feels much more pleasant due to the breeze. This is why people often go to places like Navy Pier or the Chicago Riverwalk to walk or enjoy picnics.

Due to its location where Lake Michigan meets the plains, strong air currents are generated. This is why the winds are strong and frequent. In winter, cold northwesterly winds blow strongly, making Chicago even colder, while in summer, the lake breeze helps alleviate the heat.

There is also a theory that the nickname "Windy City" originated from a political context in the 19th century, suggesting that Chicago politicians were known for their bluster, which New York media used to mock the city.

How to Enjoy Chicago Weather

Thanks to the unique weather created by Lake Michigan, Chicago has a charm that sets it apart from other cities.

Summer

• You can enjoy summer while feeling the cool breeze near the lake. It's a great season for walking in Navy Pier or Lincoln Park.

Winter

• In winter, a warm coat, hat, and gloves are essential. The perceived temperature feels much lower than the actual temperature.
• On snowy days, seeing the snow-covered scenery near Lincoln Park Zoo is a special experience.

Spring and Autumn

• In spring, you should prepare layered clothing. It can be warm during the day but chilly in the evening.
• In autumn, consider taking a drive along Lake Michigan or enjoying a leisurely time by the lakeshore watching the fall leaves.

Many people worry about Chicago's weather, but I think the city's unpredictable climate is part of its unique charm.