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

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

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.

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

January

January in Downers Grove is frosty, 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:

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

February

February in Downers Grove is frosty 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 regularly.

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:

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

March

March in Downers Grove is brisk, snowy and somewhat rainy. The average overnight temperatures in the area are in the high 20s F (single digits below 0 C). It tends to rain about half of the time.

It also snows sometimes. But the colder weather doesn't bring low humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

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

April

In April, Downers Grove is crisp 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 few inches of snow. This is also a rainy time for Downers Grove, with several of the days of the month having rain. In April, humidity reaches as high as 60%.

What to wear/what to pack:

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

May

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

Daytime temperatures are in the low 70s F (low 20s C).

What to wear/what to pack:

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

June

If you go to Downers Grove in June, you will notice that it is a perfect temperature and somewhat rainy. Expect it to rain about a third of the time.

Daytime temperatures are in the low 70s F (high 20s C).

What to wear/what to pack:

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

July

If you visit Downers Grove during July, you are likely to find 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 about a third of the time.

What to wear/what to pack:

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

August

August in Downers Grove is extremely warm. Temperatures average in the low 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
  • Waterproof luggage
  • Rain coat
  • Skirts
  • Umbrella
  • Sunscreen lotion
  • Shorts or short pants
  • Waterproof footwear
  • Dresses
  • Long and short sleeve shirts
  • Light footwear

September

September in Downers Grove is warm and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the 60s F (high 10s C) to 70s F (mid 20s C), although night temperatures can dip into the low 50s F (single digits C).

What to wear/what to pack:

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

October

In October, Downers Grove 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 Downers Grove, 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:

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

November

November for Downers Grove is pretty cool 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 boots
  • Fleeces
  • Light gloves or mittens
  • Socks
  • Umbrella
  • Waterproof coat
  • Jacket or coat
  • Warm pants or jeans
  • Standard footwear

December

December in Downers Grove 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 about a third of the time.

What to wear/what to pack:

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

Year-round what to wear/what to pack 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.

  • A plug adadpter that supports outlet types A and B
  • A SIM card that works in Downers Grove

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