Illinois, Illinois, United States of America: What to pack, what to wear, and when to go [2022]

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

Contents

About your travel guide

Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.


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

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

Important essentials for Illinois, Illinois, United States of America

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

COVID-19 ESSENTIALS FOR 2022


  • N95 masks to use in crowded airports

    These N95 masks provide the best level of COVID protection available.


  • A vaccine card protector

    Vaccine cards frequently become worn. An unreadable vaccine card can have severe consequences. This vaccine card protector helps avoid that.


  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.


  • Travel insurance

    If you or a companion get COVID-19, your amazing trip can be ruined. Good travel insurance can help. See plans


  • Hand sanitizer

    This hand sanitizer is an easy-to-carry plane-friendly option.


  • Kids' KN95 masks

    N95 masks aren't sold for kids. These are a good alternative (and can also be used by adults if N95 masks are not available).

General health necessities

Don't forget these

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

Already know when you're traveling?

January

If you are traveling to Illinois in January, you will notice that it can be extremely cold. Expect it to rain or snow 5-10 days this month. Daytime temperatures are in the 30s F (single digits C).

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February

February here is brisk. Temperatures average in the high 30s F (single digits C) during the day. It rains or snows regularly.

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March

March in Illinois can be very chilly. The average overnight temperatures in the area are in the high 20s F (single digits below 0 C).

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April

If you go to Illinois in April, you will notice that it is crisp. Expect it to rain about a third of the time. Daytime temperatures are in the low 60s F (high 10s C).

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May

May in this region is a perfect temperature. Temperatures average in the 70s F (low 20s C) during the day. It rains a bit less than half of the time.

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June

June for Illinois is extremely warm. Temperatures average in the low 80s F (high 20s C) during the day. It rains a bit less than half of the time.

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July

July for Illinois is constantly hot. Temperatures average in the high 80s F (low 30s C) during the day. It rains regularly.

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August

August here is really hot. Temperatures average in the 80s F (low 20s C) during the day. It rains regularly.

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September

September in Illinois is warm. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 60s F (low 10s C) to high 70s F (mid 20s C), although night temperatures can dip into the low 30s F (single digits C).

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October

October in this region is mild. Temperatures average in the 60s F (high 10s C) during the day. It rains 5-10 days this month.

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November

If you vacation in Illinois during November, you will probably notice that it can be brisk. Temperatures tend to hover around the low 50s F (low 10s C) during the day, while at night they can dip into the low 30s F (single digits below 0 C). In terms of precipitation, you can expect it to rain or snow/sleet about a third of the time.

What to wear/what to pack:

December

If you go to Illinois in December, you will notice that it is cold. Expect it to rain or snow 5-10 days this month. Daytime temperatures are in the high 30s F (single digits C).

What to wear/what to pack:

Activities for Illinois, Illinois, United States of America

Here are some activity recommendations and activity-specific packing tips for Illinois.

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