O'Hare International Airport, Illinois, United States of America: What to pack, what to wear, and when to go [2021]

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

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When to go to O'Hare International Airport, Illinois, United States of America

Based on the climate and weather in O'Hare International Airport, the best time to go is June. See below for details.

Important esssentials for O'Hare International Airport, Illinois, United States of America

Here are some general tips on what to wear in O'Hare International Airport, as well as several items to remember to pack when traveling there.

What to wear/what to pack for O'Hare International Airport, Illinois, United States of America by month

January

January in O'Hare International Airport is frigid, snowy and somewhat rainy. The snow can amount to several inches/centimeters.

During this time, temperatures average in the 20s F (single digits below 0 C) to low 30s F (single digits below 0 C), although night temperatures can dip into the single digits F (10+ below zero C).

What to wear/what to pack:

February

February in O'Hare International Airport is frigid and snowy. The 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:

March

In March, O'Hare International Airport can be very chilly, snowy and somewhat rainy. Temperatures routinely are in the high 40s F (single digits C) and a bit less than half of the time jump into the low 50s F (single digits C) range. At night, lows are in the high 20s F (single digits below 0 C).

During your visit, you can expect several inches of snow. This is also a rainy time for O'Hare International Airport, with several of the days of the month having rain. In March, humidity reaches as high as 60%.

What to wear/what to pack:

April

April in O'Hare International Airport is chilly and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the high 50s F (mid 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

May

In May, O'Hare International Airport is balmy and somewhat rainy. Temperatures routinely are in the low 70s F (low 20s C) and 5-10 days this month jump into the low 80s F (high 20s C) range. At night, lows are in the high 40s F (single digits C).

This is also a rainy time for O'Hare International Airport, with several of the days of the month having rain. In May, humidity reaches as high as 60%.

What to wear/what to pack:

June

June here is a perfect temperature and somewhat rainy. Temperatures average in the low 70s F (high 20s C) during the day. It rains about a third of the time.

What to wear/what to pack:

July

In July, O'Hare International Airport is pretty consistently hot and somewhat rainy. Temperatures routinely are in the 80s F (high 20s C) and sometimes jump into the low 90s F (low 30s C) range. At night, lows are in the 60s F (high 10s C).

This is also a rainy time for O'Hare International Airport, with several of the days of the month having rain. In July, humidity reaches as high as 60%.

What to wear/what to pack:

August

If you are traveling to O'Hare International Airport in August, you will notice that it is pretty consistently hot. Expect it to rain regularly. Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

September

September in O'Hare International Airport is a perfect temperature and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the 70s F (mid 20s C), although night temperatures can dip into the low 50s F (single digits C).

What to wear/what to pack:

October

In October, O'Hare International Airport can be chilly. Temperatures routinely are in the low 60s F (high 10s C) and about half of the time jump into the 60s F (high 10s C) range. At night, lows are in the low 40s F (single digits C).

This is also a rainy time for O'Hare International Airport, with a few of the days of the month having rain. In October, humidity reaches as high as 60%.

What to wear/what to pack:

November

November for O'Hare International Airport is cold and somewhat rainy. Temperatures average in the high 40s F (single digits C) during the day. It rains regularly.

What to wear/what to pack:

December

If you go to O'Hare International Airport in December, you will notice that it is very cold, snowy and somewhat rainy. Expect it to rain about a third of the time and snow 5-10 days this month.

Daytime temperatures are in the 30s F (single digits C).

What to wear/what to pack:

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