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

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

When to go to Lake Forest, Illinois, United States of America

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

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

January

January in Lake Forest is frigid. The average overnight temperatures in the area are in the low 10s F (10+ below zero C), with a few days below 0 F (10+ below zero C). It tends to rain regularly.

What to wear/what to pack:

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

February

February in Lake Forest is frigid. The average overnight temperatures in the area are in the high 10s F (single digits below 0 C), with a few days below 0 F (10+ below zero C). It tends to rain regularly.

What to wear/what to pack:

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

March

March in Lake Forest can be very chilly and somewhat rainy. Temperatures average in the low 40s F (single digits C) during the day. It rains 5-10 days this month.

What to wear/what to pack:

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

April

April for Lake Forest is cool and somewhat rainy. Temperatures average in the 50s F (low 10s C) during the day. It rains regularly.

What to wear/what to pack:

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

May

In May, Lake Forest is mild and somewhat rainy. Temperatures routinely are in the high 60s F (low 10s C) and 5-10 days this month jump into the low 70s F (low 20s C) range.

At night, lows are in the 40s F (single digits C). This is also a rainy time for Lake Forest, with several of the days of the month having rain.

What to wear/what to pack:

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

June

June in Lake Forest is warm and somewhat rainy. The rain can amount to several inches/centimeters.

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

What to wear/what to pack:

  • Rain coat
  • Long and short sleeve shirts
  • Shorts or short pants
  • Skirts
  • Waterproof luggage
  • Sunscreen lotion
  • Dresses
  • Sandals
  • If you're going to the beach, bathing suits, swimwear
  • Umbrella
  • Waterproof footwear
  • Light footwear

July

July in Lake Forest is hot and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the 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:

  • Dresses
  • Skirts
  • Light footwear
  • Long and short sleeve shirts
  • Umbrella
  • Rain coat
  • Sandals
  • If you're going to the beach, bathing suits, swimwear
  • Shorts or short pants
  • Sunscreen lotion
  • Waterproof footwear
  • Waterproof luggage

August

If you vacation in Lake Forest during August, you are likely to find that it is a perfect temperature. Temperatures tend to hover around the low 70s F (high 20s C) during the day, while at night they can dip into the low 60s F (mid 10s C).

In terms of precipitation, you can expect it to rain a bit less than half of the time.

What to wear/what to pack:

  • Waterproof luggage
  • Sunscreen lotion
  • Rain coat
  • Skirts
  • Shorts or short pants
  • Long and short sleeve shirts
  • Waterproof footwear
  • If you're going to the beach, bathing suits, swimwear
  • Dresses
  • Sandals
  • Light footwear
  • Umbrella

September

September in Lake Forest is balmy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 70s F (low 20s C), although night temperatures can dip into the low 50s F (single digits C).

What to wear/what to pack:

  • Sunscreen lotion
  • Rain coat
  • Waterproof footwear
  • Skirts
  • Waterproof luggage
  • Long and short sleeve shirts
  • Sandals
  • If you're going to the beach, bathing suits, swimwear
  • Light footwear
  • Umbrella
  • Shorts or short pants
  • Dresses

October

If you are traveling to Lake Forest in October, you will notice that it can be chilly. Expect it to rain about a third of the time. Daytime temperatures are in the low 60s F (high 10s C).

What to wear/what to pack:

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

November

November in Lake Forest can be brisk and somewhat rainy. The average overnight temperatures in the area are in the low 30s F (single digits below 0 C). It tends to rain regularly.

What to wear/what to pack:

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

December

December in Lake Forest is frigid. The rain/snow can amount to several inches/centimeters. During this time, temperatures average in the 30s F (single digits C), although night temperatures can dip into the single digits F (10+ below zero C).

What to wear/what to pack:

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

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

Here are some general tips on what to wear in Lake Forest, 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 Lake Forest

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