Chicago Weather in January

January in Chicago averages -1°C (30°F) during the day and -9°C (16°F) at night. With just 50 mm (2 in) of snowfall on average, it doesn't get much drier than this.

Rainfall in Chicago in January

The risk of rain is at its lowest this month, making it a reliable choice for outdoor plans, even if temperatures are on the cooler side. Analyzing past climate data, one can expect approximately 10 days of snow, averaging 50 mm (2 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.

Temperature in Chicago in January

Daytime highs in Chicago in January reach -1°C (30°F), with nights around -9°C (16°F). Experience the winter season in January. It stays very cold throughout much of the day, so warm winter clothing is essential. Nights drop below freezing to -9°C (16°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. It's generally the coldest month of the year, making it essential to pack warm layers and winter accessories.

Sunshine in Chicago in January

You can expect a moderate amount of sunlight, with approximately 133 hours. This means a pleasant mix of sun and overcast.

Wind Speed in Chicago in January

January sees wind speeds averaging 6 m/s (12 knots). You'll experience strong winds that cause whole trees to sway and require effort when walking against them. As an average, expect variation from moderate breezes to particularly windy days that affect daily routines.

January in Chicago can still be great, but if you prefer pleasant temperatures along with dry and sunny conditions, our weather planner can help you explore other options in the world.