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

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

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

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

Important esssentials for Wilmette, Illinois, United States of America

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

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

January

Traveling to Wilmette in January, you will notice that it is frigid. Expect it to snow a bit less than half of the time. Daytime temperatures are in the low 30s F (single digits below 0 C).

What to wear/what to pack:

February

February in Wilmette is frosty. Temperatures average in the 30s F (single digits C) during the day. It snows occasionally.

What to wear/what to pack:

March

In March, Wilmette is cold. Temperatures routinely are in the 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). This is also a rainy time for Wilmette, with several of the days of the month having rain.

What to wear/what to pack:

April

If you vacation in Wilmette during April, you will probably notice that it is crisp.

Temperatures tend to hover around the high 50s F (mid 10s C) during the day, while at night they can dip into the high 30s F (single digits C).

What to wear/what to pack:

May

May is mild. Temperatures average in the high 60s F (low 10s C) during the day.

What to wear/what to pack:

June

In June, Wilmette is warm. Temperatures routinely are in the high 70s F (mid 20s C) and about half of the time jump into the low 80s F (high 20s C) range.

At night, lows are in the high 50s F (mid 10s C). This is also a rainy time for Wilmette, with several of the days of the month having rain.

What to wear/what to pack:

July

July in this region is extremely warm. Temperatures average in the low 80s F (high 20s C) during the day.

What to wear/what to pack:

August

If you are traveling to Wilmette in August, you will notice that it is pretty consistently hot. Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

September

If you vacation in Wilmette during September, you might notice that it is warm.

Temperatures tend to hover around the 70s F (mid 20s C) during the day, while at night they can dip into the 50s F (low 10s C).

What to wear/what to pack:

October

October here can be chilly. Temperatures average in the low 60s F (high 10s C) during the day.

What to wear/what to pack:

November

In November, Wilmette is brisk. Temperatures routinely are in the high 40s F (single digits C) and about half of the time jump into the low 50s F (single digits C) range.

At night, lows are in the low 30s F (single digits C). This is also a rainy time for Wilmette, with several of the days of the month having rain.

What to wear/what to pack:

December

If you go to Wilmette in December, you will notice that it is frigid. Expect it to snow sometimes. Daytime temperatures are in the 30s F (single digits C).

What to wear/what to pack:

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