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

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

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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 McLean, Illinois, United States of America

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

Important essentials for McLean, Illinois, United States of America

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

COVID-19 ESSENTIALS FOR 2022


  • N95 masks to use in crowded airports

    These N95 masks provide the best level of protection you can have.


  • A vaccine card protector

    Vaccine cards frequently wear away. An unreadable vaccination card can have severe consequences. This vaccine card protector helps avoid that.


  • Travel insurance

    If you or a companion get COVID-19, your amazing trip can be ruined. Good travel insurance can help. See plans


  • 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).


  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.


  • Hand sanitizer

    This hand sanitizer is a good plane-friendly product.

General health necessities

Don't forget these

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

Already know when you're traveling?

January

If you go to McLean in January, you will notice that it is freezing. Expect it to rain regularly and snow sometimes. Daytime temperatures are in the low 30s F (single digits C).

What to wear/what to pack:

February

February can be brisk. Temperatures average in the high 30s F (single digits C) during the day. It rains 5-10 days this month and snows once in a while.

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March

March in McLean is cold 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. 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:

April

April in McLean is relatively cool and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 50s F (low 10s C) to low 60s F (high 10s C), although night temperatures can dip into the low 40s F (single digits C).

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May

May in this region is a perfect temperature and somewhat rainy. Temperatures average in the low 70s F (low 20s C) during the day. It rains a bit less than half of the time.

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June

June for McLean is extremely warm and somewhat rainy. Temperatures average in the low 80s F (high 20s C) during the day. It rains a bit less than half of the time.

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July

Traveling to McLean in July, you will notice that it is really hot. Expect it to rain about a third of the time. Daytime temperatures are in the 80s F (low 20s C).

What to wear/what to pack:

August

If you visit McLean during August, you might see that it is pretty consistently hot. 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 a bit less than half of the time.

What to wear/what to pack:

September

September for McLean is warm. Temperatures average in the high 70s F (mid 20s C) during the day. It rains regularly.

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October

October in McLean is chilly. The rain can amount to several inches/centimeters. During this time, temperatures average in the 60s F (high 10s C), although night temperatures can dip into the low 40s F (single digits C).

What to wear/what to pack:

November

If you vacation in McLean during November, you are likely to see that it is brisk. Temperatures tend to hover around the low 50s F (low 10s C) during the day, while at night they can dip into the low 30s F (single digits C). Humidity is generally between 60 and 70% during the day. In terms of precipitation, you can expect it to rain 5-10 days this month.

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December

December here can be extremely cold and somewhat rainy. Temperatures average in the 30s F (single digits C) during the day. It rains regularly and snows once in a while.

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Activities for McLean, Illinois, United States of America

Here are some activity recommendations and activity-specific packing tips for McLean.

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