What to Wear in Chicago
United States • Humid continental Climate
May-June, September-October
24°C / 75°F
-4°C / 25°F
Current Weather & What to Wear Today
Essential Packing Tips for Chicago
Heavy winter gear in cold months
Windbreaker for lakefront
Layers for rapid temperature changes
Weather by Season in Chicago
☀️ Summer Weather
Average temperature: 24°C (75°F)
Light layers work best in Chicago's mild summers. Bring a light jacket or cardigan for cooler evenings, and comfortable walking shoes for sightseeing. A mix of short and long-sleeve shirts gives you flexibility.
❄️ Winter Weather
Average temperature: -4°C (25°F)
Bring a warm, insulated winter coat, thermal base layers, and waterproof boots with good traction. Gloves, a warm hat, and a scarf are essential — you lose significant body heat through your head and extremities. Consider packing hand warmers for extended outdoor time.
🌧️ Rainy Season
The rainiest months in Chicago are April, May, June. If you're visiting during these months, pack a waterproof jacket with a hood (more practical than an umbrella in windy rain), water-resistant shoes, and quick-dry fabrics that won't stay damp all day. A small packable umbrella is also useful for sudden downpours during otherwise dry days.
Month-by-Month Clothing Guide for Chicago
Estimated average temperatures and what to wear each month, based on Chicago's humid continental climate pattern.
January
Full winter gear. Insulated coat, thermal base layers, insulated boots, hat, gloves, scarf.
February
Full winter gear. Insulated coat, thermal base layers, insulated boots, hat, gloves, scarf.
March
Full winter gear. Insulated coat, thermal base layers, insulated boots, hat, gloves, scarf.
April
Heavy layers. Winter coat, warm sweaters, boots. Hat and gloves for cold mornings. Pack waterproof outerwear and an umbrella.
May
Warm layers. Sweaters, medium-weight jacket. Scarf recommended for windy days. Pack waterproof outerwear and an umbrella.
June
Medium layers. Long pants, light sweaters. A jacket for mornings and evenings. Pack waterproof outerwear and an umbrella.
July
Light layers. T-shirts with a light cardigan for evenings. Comfortable walking shoes.
August
Light layers. T-shirts with a light cardigan for evenings. Comfortable walking shoes.
September
Medium layers. Long pants, light sweaters. A jacket for mornings and evenings.
October
Heavy layers. Winter coat, warm sweaters, boots. Hat and gloves for cold mornings.
November
Full winter gear. Insulated coat, thermal base layers, insulated boots, hat, gloves, scarf.
December
Full winter gear. Insulated coat, thermal base layers, insulated boots, hat, gloves, scarf.
Complete Guide to Dressing for Chicago
Chicago, United States has a humid continental climate, which means your clothing choices should be guided by the specific conditions you'll encounter during your visit. With summer temperatures averaging 24°C (75°F), the warm season is comfortable but rarely extreme, making it ideal for layerable outfits.
Winter visitors should prepare for genuinely cold conditions, with temperatures averaging -4°C (25°F). The three-layer system is essential: a moisture-wicking base layer, an insulating mid-layer (fleece or wool sweater), and a windproof/waterproof outer shell. Thermal underwear, insulated boots, and warm accessories (hat, gloves, scarf) are not optional — they're necessary for comfortable outdoor exploration.
Practical packing advice for Chicago: Heavy winter gear in cold months. Windbreaker for lakefront. Layers for rapid temperature changes. Be aware that April, May, June tend to be the wettest months, so include waterproof outerwear and water-resistant footwear if you're visiting during this period.
For the most accurate clothing recommendations for your specific travel dates, use our personalized outfit planner above. It analyzes real weather data for your exact dates — much more precise than the monthly averages shown here, which can vary significantly from year to year.
Plan Your Chicago Outfit Now
Get real-time weather and personalized clothing recommendations for any date
Check Weather & Get Outfit Ideas →