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June through September in the Chicago area can be very warm and humid with temperatures between 20 and 40°C. From October through April the weather turns gradually colder, averaging about 0°C; periodically, temperatures are as low as -10 to -20°C. Boots are important as the Chicago area can have snow on the ground  ranging from a few inches to one or two feet!  

Winter Clothing

You will need warm winter clothing:

  • Insulated coat(s) and jacket(s)
  • Scarves
  • Gloves
  • Hats
  • Warm boots, snow boots
  • Sweaters
  • Warm coat/or insulated jacket
  • Thermal innerwear