Lake Forest, Illinois, United States of America: What to pack, what to wear, and when to go [2022]

This article contains affiliate links to Amazon and other vendors. We may earn commission from purchases made through these links.

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

Contents

About your travel guide

Hi! I'm Dev. I've traveled all over the world and in my travels, I have made many packing lists. In this series, my team and I have compiled the most useful information, as well as things we couldn't live without, to help you plan your trip.


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.

Important essentials 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.

COVID-19 ESSENTIALS FOR 2022


  • Travel insurance that includes COVID-19 coverage

    Cases are climbing again, and areas are returning to lockdown. If you or a companion get COVID-19, you may be stuck with no way home -- but travel insurance can protect you. Learn more about COVID-19 and travel insurance

  • (U.S. Residents) Telehealth COVID-19 test for entry to U.S.

    U.S. residents still need a certified COVID-19 test to return home, but it can now be via Zoom. Learn more


  • Kids' KN95 masks

    N95 masks aren't sold for kids. These are a good alternative (and can also be used by adults if N95 masks are not available).


  • Hand sanitizer

    This hand sanitizer is an excellent TSA-friendly product.


  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.


  • Touchless thermometer

    A touchless thermometer is important to have.


  • A vaccine card protector

    Vaccine cards often wear out. An unreadable vaccination card can cause severe consequences. This vaccine card protector helps avoid that.


  • N95 masks

    These N95 masks provide the best level of COVID protection possible.

General health necessities

Don't forget these

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

Already know when you're traveling?

January

January in Lake Forest can be extremely cold. The rain/snow can amount to several inches/centimeters. During this time, temperatures average in the low 20s F (single digits below 0 C) to high 20s 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 Lake Forest can be extremely cold. Temperatures average in the low 30s F (single digits C) during the day. It rains about a third of the time.

What to wear/what to pack:

March

March here is cold and somewhat rainy. Temperatures average in the low 40s F (single digits C) during the day. It rains regularly.

What to wear/what to pack:

April

Traveling to Lake Forest in April, you will notice that it is cool and somewhat rainy. Expect it to rain about a third of the time. Daytime temperatures are in the 50s F (low 10s C).

What to wear/what to pack:

May

May here is balmy and somewhat rainy. Temperatures average in the high 60s F (low 10s C) during the day. It rains 5-10 days this month.

What to wear/what to pack:

June

If you visit Lake Forest during June, you may see that it is warm and somewhat rainy. Temperatures tend to hover around the high 70s F (mid 20s C) during the day, while at night they can dip into the 50s F (low 10s C). In terms of precipitation, you can expect it to rain about a third of the time.

What to wear/what to pack:

July

If you go to Lake Forest in July, you will notice that it is pretty consistently hot and somewhat rainy. Expect it to rain about a third of the time. Daytime temperatures are in the low 80s F (high 20s C).

What to wear/what to pack:

August

If you go to Lake Forest in August, you will notice that it is warm. Expect it to rain 5-10 days this month. Daytime temperatures are in the low 70s F (high 20s C).

What to wear/what to pack:

September

If you are traveling to Lake Forest in September, you will notice that it is balmy. 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:

October

If you visit Lake Forest during October, you will probably see that it can be chilly. Temperatures tend to hover around the low 60s F (high 10s C) during the day, while at night they can dip into the low 40s F (single digits C). In terms of precipitation, you can expect it to rain about a third of the time.

What to wear/what to pack:

November

If you vacation in Lake Forest during November, you are likely to notice that it is cold and somewhat rainy. Temperatures tend to hover around the high 40s F (single digits C) during the day, while at night they can dip into the low 30s F (single digits below 0 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:

December

December in Lake Forest is freezing. The rain/snow can amount to several inches/centimeters. During this time, temperatures average in the high 20s F (single digits below 0 C) to 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:

Check out our guides for these other locations: Chahar Mahaal and Bakhtiari, Iran, Neu-Isenburg, Germany, Llandudno, South Africa, Thulo Sailung, Nepal, Greater New Orleans, Louisiana, United States of America, Ozora, Japan, Yala, Thailand, Narachansky National Park, Belarus, Spa, Belgium, Brugg, Switzerland, and Tarn, France.