Illinois is an important state in the Midwestern United States. Famous attractions include Chicago's Millennium Park. Millennium Park is a vibrant public space that houses the Frank Gehry-designed open-air concert hall, the Cloud Gate sculpture and the Crown Fountain. These attractions not only attract locals, but are also must-visit places for out-of-town tourists. Illinois’ food and culture are also worth exploring.
Chicago C3® CityPASS® | United States
If you're worried about language barriers, you can buy your tickets in advance. Upon entry, simply have them scan your barcode; you basically don't need to say a word. Aside from the Skydeck, which could only be rescheduled due to weather, everything else was great. I recommend not booking these kinds of sightseeing trips in advance; it's better to decide on the time after you arrive.
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Data source: Meteostat・Last updated: 2025-09
Spring (March–May): Average 6.7–19.6°C, gradually warming climate with abundant rainfall, but significant temperature fluctuations. Common activities: Outdoor excursions, flower viewing. Recommended clothing: Layered clothing, jacket, long-sleeved shirts, comfortable shoes.
Summer (June–August): Average 23.9–24.3°C, hot and humid with higher rainfall, occasional thunderstorms. Common activities: Swimming, camping, outdoor BBQ. Recommended clothing: Light and breathable clothing, sun hat, sunglasses.
Autumn (September–November): Average 19.8–6.8°C, gradually decreasing temperatures, pleasant weather, reduced rainfall. Common activities: Maple viewing, hiking, harvesting crops. Recommended clothing: Comfortable long-sleeved shirts, light jacket, warm clothing.
Winter (December–February): Average -1.8–2.0°C, cold and dry, snowfall varies by year. Common activities: Skiing, ice skating, indoor activities. Recommended clothing: Warm clothing, thick jacket, hat, gloves, scarf.
Annual average temperature: approx. 12.6°C / Annual rainfall: approx. 1179 mm / Summer humidity: 60%–75% / Rainiest month: August
| Month | January | February | March | April | May | June | July | August | September | October | November | December |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Temperature | -1.8°C | 1.5°C | 6.7°C | 12.1°C | 19.6°C | 23.9°C | 24.3°C | 23.2°C | 19.8°C | 13.4°C | 6.8°C | 2°C |
| Rainfall (mm) | 69.9 | 92.4 | 121.3 | 113.8 | 108 | 114.6 | 151.9 | 163.7 | 53.4 | 61.5 | 80.9 | 48.4 |
| Date | 11/5Thursday | 11/6Friday | 11/7Saturday | 11/8Sunday | 11/9Monday | 11/10Tuesday | 11/11Wednesday |
|---|---|---|---|---|---|---|---|
| Weather |  Patchy rain nearby |  Sunny | Sunny | Sunny | Sunny | Sunny |  Partly Cloudy |
| High | 13.4°C | 9.9°C | 10.8°C | 16°C | 19.6°C | 17.4°C | 15.3°C |
| Low | 8.1°C | 3.4°C | 0.9°C | 3°C | 5.8°C | 7.9°C | 5.2°C |
