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

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

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

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

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

January

January here can be dangerously cold. Temperatures average in the high 20s F (single digits below 0 C) during the day. It rains sometimes and snows regularly.

What to wear/what to pack:

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

February

February for DeKalb is frosty. Temperatures average in the low 30s F (single digits C) during the day. It snows once in a while.

What to wear/what to pack:

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

March

March in DeKalb can be brisk. The average overnight temperatures in the area are in the high 20s F (single digits below 0 C). It tends to rain once in a while. It also snows occasionally.

What to wear/what to pack:

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

April

April in DeKalb is relatively cool. The rain can amount to several inches/centimeters.

During this time, temperatures average in the high 40s F (single digits C) to high 50s F (mid 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

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

May

If you vacation in DeKalb during May, you are likely to find that it is balmy. 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).

In terms of precipitation, you can expect it to rain once in a while.

What to wear/what to pack:

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

June

Traveling to DeKalb in June, you will notice that it is pretty consistently hot. Expect it to rain 5-10 days this month. Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

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

July

July in DeKalb is extremely warm. The rain can amount to several inches/centimeters.

During this time, temperatures average in the low 70s F (low 20s C) to low 80s F (high 20s C), although night temperatures can dip into the low 60s F (mid 10s C).

What to wear/what to pack:

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

August

August here is extremely warm. Temperatures average in the low 80s F (high 20s C) during the day. It rains once in a while.

What to wear/what to pack:

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

September

If you visit DeKalb during September, you are likely to find 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 low 50s F (low 10s C).

In terms of precipitation, you can expect it to rain sometimes.

What to wear/what to pack:

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

October

October in this region can be chilly. Temperatures average in the low 60s F (high 10s C) during the day. It rains occasionally.

What to wear/what to pack:

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

November

If you are traveling to DeKalb in November, you will notice that it is brisk. Expect it to rain once in a while. Daytime temperatures are in the 40s F (single digits C).

What to wear/what to pack:

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

December

December in DeKalb is very cold. The rain/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:

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

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

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

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