O'Hare International Airport, Illinois, United States of America: What to pack, what to wear, and when to go [2018]

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

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.

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

January

January here is frigid, snowy and somewhat rainy. Temperatures average in the low 30s F (single digits below 0 C) during the day. It rains regularly and snows a bit less than half of the time.

What to wear/what to pack:

  • Umbrella
  • Gloves
  • Waterproof boots
  • Thermal undergarments
  • Multiple layer jacket shell
  • Very heavy socks
  • Waterproof coat
  • Insulated boots
  • Fleeces
  • Sweaters
  • Scarf
  • Pajamas, such as sweats

February

Traveling to O'Hare International Airport in February, you will notice that it is frosty and snowy. Expect it to rain a bit less than half of the time and snow once in a while.

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

What to wear/what to pack:

  • Waterproof boots
  • Cold weather footwear
  • Heavy jacket
  • Heavy socks
  • Gloves or mittens
  • Sweaters
  • Waterproof coat
  • Warm pants or jeans
  • Umbrella

March

In March, O'Hare International Airport is brisk, snowy and somewhat rainy. Temperatures routinely are in the high 40s F (single digits C) and regularly 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:

  • Warm pants or jeans
  • Waterproof coat
  • Heavy jacket
  • Sweaters
  • Gloves or mittens
  • Cold weather footwear
  • Heavy socks
  • Umbrella
  • Waterproof boots

April

In April, O'Hare International Airport is chilly and somewhat rainy. Temperatures routinely are in the high 50s F (mid 10s C) and about half of the time jump into the low 60s F (mid 10s C) range. At night, lows are in the high 30s F (single digits C).

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

What to wear/what to pack:

  • Warm pants or jeans
  • Waterproof footwear
  • Fleeces
  • Rain coat
  • Jacket or coat
  • Socks
  • Light gloves or mittens
  • Umbrella
  • Standard footwear
  • Waterproof luggage

May

If you vacation in O'Hare International Airport during May, you are likely to find that it is mild and somewhat rainy. Temperatures tend to hover around the low 70s F (low 20s C) during the day, while at night they can dip into the high 40s F (single digits C).

Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain a bit less than half of the time.

What to wear/what to pack:

  • Dresses
  • Waterproof footwear
  • Waterproof luggage
  • Light jacket or fleece
  • Long skirts
  • Rain coat
  • Standard footwear
  • Pants or jeans
  • Long sleeve shirts or blouses
  • Socks
  • Umbrella

June

If you vacation in O'Hare International Airport during June, you are likely to find that it is warm and somewhat rainy. Temperatures tend to hover around the low 70s F (high 20s C) during the day, while at night they can dip into the high 50s F (mid 10s C).

Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain a bit less than half of the time.

What to wear/what to pack:

  • Waterproof luggage
  • Long and short sleeve shirts
  • Sunscreen lotion
  • Waterproof footwear
  • Skirts
  • Umbrella
  • Rain coat
  • Shorts or short pants
  • Light footwear
  • Sandals
  • Dresses

July

July here is pretty consistently hot and somewhat rainy. Temperatures average in the 80s F (high 20s C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

  • Sandals
  • Sunscreen lotion
  • Short sleeve shirts
  • Sunglasses
  • Waterproof luggage
  • Dresses
  • Waterproof footwear
  • Skirts
  • Shorts
  • Umbrella
  • Rain coat

August

If you vacation in O'Hare International Airport during August, you are likely to find that it is extremely warm. Temperatures tend to hover around the low 80s F (high 20s C) during the day, while at night they can dip into the low 60s F (high 10s C).

Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain about a third of the time.

What to wear/what to pack:

  • Long and short sleeve shirts
  • Sandals
  • Waterproof footwear
  • Skirts
  • Light footwear
  • Umbrella
  • Shorts or short pants
  • Dresses
  • Waterproof luggage
  • Rain coat
  • Sunscreen lotion

September

Traveling to O'Hare International Airport in September, you will notice that it is a perfect temperature and somewhat rainy. Expect it to rain 5-10 days this month. Daytime temperatures are in the 70s F (mid 20s C).

What to wear/what to pack:

  • Rain coat
  • Waterproof footwear
  • Long and short sleeve shirts
  • Waterproof luggage
  • Light footwear
  • Umbrella
  • Shorts or short pants
  • Dresses
  • Sunscreen lotion
  • Sandals
  • Skirts

October

If you go to O'Hare International Airport in October, you will notice that it is crisp. Expect it to rain a bit less than half of the time. Daytime temperatures are in the low 60s F (high 10s C).

What to wear/what to pack:

  • Long skirts
  • Umbrella
  • Pants or jeans
  • Long sleeve shirts or blouses
  • Dresses
  • Standard footwear
  • Waterproof footwear
  • Rain coat
  • Socks
  • Light jacket or fleece
  • Waterproof luggage

November

November for O'Hare International Airport is brisk and somewhat rainy. Temperatures average in the high 40s F (single digits C) during the day. It rains a bit less than half of the time.

What to wear/what to pack:

  • Waterproof coat
  • Fleeces
  • Socks
  • Standard footwear
  • Umbrella
  • Light gloves or mittens
  • Waterproof boots
  • Warm pants or jeans
  • Jacket or coat

December

December in O'Hare International Airport is freezing, snowy and somewhat rainy. Temperatures average in the 30s F (single digits C) during the day.

It rains a bit less than half of the time and snows a bit less than half of the time.

What to wear/what to pack:

  • Cold weather footwear
  • Heavy jacket
  • Warm pants or jeans
  • Waterproof boots
  • Umbrella
  • Gloves or mittens
  • Sweaters
  • Waterproof coat
  • Heavy socks

Year-round what to wear/what to pack 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.

  • A plug adadpter that supports outlet types A and B
  • A SIM card that works in O'Hare International Airport
  • If you plan to visit a church, make sure to bring appropriate clothing
  • Appropriate museum wear

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