Joliet, Illinois, United States of America: What to pack, what to wear, and when to go [2021]

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Traveling to Joliet, Illinois, United States of America? If you're planning to go to Joliet, we have some important information about when to go, what to wear, and what to pack.

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When to go to Joliet, Illinois, United States of America

Based on the climate and weather in Joliet, the best time to go is August. See below for details.

Important esssentials for Joliet, Illinois, United States of America

Here are some general tips on what to wear in Joliet, as well as several items to remember to pack when traveling there.

What to wear/what to pack for Joliet, Illinois, United States of America by month

January

January in Joliet is frosty. The average overnight temperatures in the area are in the low 10s F (10+ below zero C), with a few days below 0 F (10+ below zero C). It tends to rain occasionally.

What to wear/what to pack:

February

February in Joliet is freezing. The average overnight temperatures in the area are in the high 10s F (single digits below 0 C), with a few days below 0 F (10+ below zero C). It tends to rain sometimes.

What to wear/what to pack:

March

If you are traveling to Joliet in March, you will notice that it can be brisk. Expect it to rain occasionally. Daytime temperatures are in the high 40s F (single digits C).

What to wear/what to pack:

April

If you go to Joliet in April, you will notice that it is chilly. Expect it to rain occasionally. Daytime temperatures are in the low 50s F (mid 10s C).

What to wear/what to pack:

May

May for Joliet is balmy. Temperatures average in the low 70s F (low 20s C) during the day. It rains occasionally.

What to wear/what to pack:

June

June in Joliet is hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 80s F (high 20s C).

What to wear/what to pack:

July

July for Joliet is extremely warm. Temperatures average in the 80s F (high 20s C) during the day. It rains sometimes.

What to wear/what to pack:

August

August in Joliet is hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 70s F (low 20s C) to low 80s F (high 20s C).

What to wear/what to pack:

September

September in Joliet is warm. The rain can amount to several inches/centimeters.

During this time, temperatures average in the 60s F (high 10s C) to 70s F (mid 20s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

October

October in Joliet is chilly. The average overnight temperatures in the area are in the low 40s F (single digits C), with a few days below 32 F (single digits C). It tends to rain occasionally.

What to wear/what to pack:

November

November here is pretty cool. Temperatures average in the high 40s F (single digits C) during the day.

What to wear/what to pack:

December

December in Joliet is frigid. The rain/snow can amount to several inches/centimeters. During this time, temperatures average in the 30s F (single digits C), although night temperatures can dip into the single digits F (10+ below zero C).

What to wear/what to pack:

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