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

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

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

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

Important esssentials for Downers Grove, Illinois, United States of America

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

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

January

January in Downers Grove can be extremely cold, snowy and somewhat rainy. The snow can amount to several inches/centimeters.

During this time, temperatures average in the 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 Downers Grove can be extremely cold and snowy. The average overnight temperatures in the area are in the low 20s F (single digits below 0 C), with a few days below 0 F (10+ below zero C). It tends to rain a bit less than half of the time.

It also snows sometimes. But the colder weather doesn't bring low humidity, which is in the 60% to 70% range on average.

What to wear/what to pack:

March

March in Downers Grove can be brisk, snowy and somewhat rainy. The snow can amount to several inches/centimeters.

During this time, temperatures average in the high 30s F (single digits C) to high 40s F (single digits C), although night temperatures can dip into the low 20s F (single digits below 0 C).

What to wear/what to pack:

April

April in Downers Grove is cool and somewhat rainy. The average overnight temperatures in the area are in the high 30s F (single digits C).

It tends to rain about half of the time. With the colder weather comes lower humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

May

If you go to Downers Grove in May, you will notice that it is mild and somewhat rainy. Expect it to rain regularly. Daytime temperatures are in the low 70s F (low 20s C).

What to wear/what to pack:

June

If you visit Downers Grove during June, you will probably 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:

July

If you vacation in Downers Grove during July, you might see that it is hot and somewhat rainy. Temperatures tend to hover around the 80s F (high 20s C) during the day, while at night they can dip into the 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 5-10 days this month.

What to wear/what to pack:

August

Traveling to Downers Grove in August, you will notice that it is hot. Expect it to rain a bit less than half of the time. Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

September

September in Downers Grove 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

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

What to wear/what to pack:

November

Traveling to Downers Grove in November, you will notice that it can be very chilly and somewhat rainy. Expect it to rain a bit less than half of the time.

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

What to wear/what to pack:

December

If you are traveling to Downers Grove in December, you will notice that it is frosty, snowy and somewhat rainy. Expect it to rain regularly and snow a bit less than half of the time.

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

What to wear/what to pack:

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