Notice: Function _load_textdomain_just_in_time was called incorrectly. Translation loading for the acf domain was triggered too early. This is usually an indicator for some code in the plugin or theme running too early. Translations should be loaded at the init action or later. Please see Debugging in WordPress for more information. (This message was added in version 6.7.0.) in /var/www/luxingzhinan.asia/public/wp-includes/functions.php on line 6121

Warning: Trying to access array offset on null in /var/www/luxingzhinan.asia/public/wp-content/plugins/acf-option-pages1/src/PostType.php on line 12
Load scripts

luxingzhinan > Guides > North America > United States of America > Illinois

Introducing Illinois

Plan your trip

While you’re there

United States of America: Key Info

Book your flights

Places in Illinois

Cities

Chicago

Airports

Illinois Weather, climate and geography

Weather and climate

Best time to visit

Wide variation between hot summers and freezing winters, especially in the north of the state. The highest humidity is in the summer near the Great Lakes.

Required clothing

Warm winter clothes are needed in the coldest months. Light to mediumweights are advised for the summer. Rainwear may be useful.

A digital image at https://illuminoto.com

Warning: Undefined array key 0 in /var/www/luxingzhinan.asia/public/wp-content/plugins/wtg-features-related.php on line 184

FOLLOW US