Rosemont, Illinois, United States of America: What to pack, what to wear, and when to go [2018]

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

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

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

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

January

In January, Rosemont is frosty, snowy and somewhat rainy. Temperatures routinely are in the low 30s F (single digits below 0 C) and sometimes jump into the low 40s F (single digits C) range. At night, lows are in the high 10s F (single digits below 0 C).

During your visit, you can expect heavy snowfall. This is also a rainy time for Rosemont, with several of the days of the month having rain. In January, humidity reaches as high as 70%.

What to wear/what to pack:

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

February

February in this region is freezing and snowy. Temperatures average in the 30s F (single digits C) during the day. It rains 5-10 days this month and snows sometimes.

What to wear/what to pack:

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

March

If you go to Rosemont in March, you will notice that it is cold, snowy and somewhat rainy. Expect it to rain about half of the time and snow occasionally.

Daytime temperatures are in the high 40s F (single digits C).

What to wear/what to pack:

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

April

April here is cool and somewhat rainy. Temperatures average in the high 50s F (mid 10s C) during the day. It rains about half of the time.

What to wear/what to pack:

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

May

May in Rosemont is mild and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the high 50s F (mid 10s C) to low 70s F (low 20s C), although night temperatures can dip into the low 40s F (single digits C).

What to wear/what to pack:

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

June

In June, Rosemont is warm and somewhat rainy. Temperatures routinely are in the low 70s F (high 20s C) range. At night, lows are in the high 50s F (mid 10s C).

This is also a rainy time for Rosemont, with several of the days of the month having rain. In June, humidity reaches as high as 60%.

What to wear/what to pack:

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

July

In July, Rosemont is extremely warm 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 Rosemont, with several of the days of the month having rain. In July, humidity reaches as high as 60%.

What to wear/what to pack:

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

August

If you go to Rosemont in August, you will notice that it is hot. Expect it to rain about a third of the time. Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

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

September

In September, Rosemont is a perfect temperature and somewhat rainy. Temperatures routinely are in the 70s F (mid 20s C) and a bit less than half of the time jump into the low 80s F (high 20s C) range. At night, lows are in the 50s F (low 10s C).

This is also a rainy time for Rosemont, with several of the days of the month having rain. In September, humidity reaches as high as 60%.

What to wear/what to pack:

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

October

October here is relatively cool. Temperatures average in the low 60s F (high 10s C) during the day. It rains regularly.

What to wear/what to pack:

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

November

November here can be brisk and somewhat rainy. Temperatures average in the high 40s F (single digits C) during the day. It rains about a third of the time.

What to wear/what to pack:

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

December

In December, Rosemont is very cold, snowy and somewhat rainy. Temperatures routinely are in the 30s F (single digits C) and 5-10 days this month jump into the low 40s F (single digits C) range. At night, lows are in the low 20s F (single digits below 0 C).

During your visit, you can expect heavy snowfall. This is also a rainy time for Rosemont, with several of the days of the month having rain. In December, humidity reaches as high as 70%.

What to wear/what to pack:

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

Year-round what to wear/what to pack for Rosemont, Illinois, United States of America

Here are some general tips on what to wear in Rosemont, 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 Rosemont
  • Appropriate museum wear

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