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

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Traveling to Mount Vernon, Illinois, United States of America? If you're planning to go to Mount Vernon, here 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 Mount Vernon, Illinois, United States of America

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

Important essentials for Mount Vernon, Illinois, United States of America

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

COVID-19 ESSENTIALS FOR 2022


  • Hand sanitizer

    This hand sanitizer is a good plane-friendly product.


  • 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).


  • A vaccine card protector

    Vaccine cards can get worn. An unreadable card may result in severe consequences. This vaccine card protector helps stop that.


  • N95 masks to use in crowded airports

    These N95 masks provide the best level of protection possible.


  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.

General health necessities

Don't forget these

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

Already know when you're traveling?

January

If you are traveling to Mount Vernon in January, you will notice that it can be brisk. Expect it to rain about a third of the time. Daytime temperatures are in the low 40s F (single digits C).

What to wear/what to pack:

February

February in Mount Vernon can be very chilly. The average overnight temperatures in the area are in the 20s F (single digits below 0 C). It tends to rain regularly.

What to wear/what to pack:

March

March in Mount Vernon can be very chilly and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the 40s F (single digits C) to 50s F (low 10s C), although night temperatures can dip into the low 20s F (single digits below 0 C).

What to wear/what to pack:

April

April in Mount Vernon is mild and somewhat rainy. The average overnight temperatures in the area are in the 40s F (single digits C). It tends to rain regularly.

What to wear/what to pack:

May

Traveling to Mount Vernon in May, you will notice that it is warm and somewhat rainy. Expect it to rain a bit less than half of the time. Daytime temperatures are in the 70s F (mid 20s C).

What to wear/what to pack:

June

If you visit Mount Vernon during June, you are likely to notice that it is really hot and somewhat rainy. Temperatures tend to hover around the 80s F (low 20s C) during the day, while at night they can dip into the low 60s F (high 10s C). In terms of precipitation, you can expect it to rain 5-10 days this month.

What to wear/what to pack:

July

July in Mount Vernon is extremely hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 70s F (mid 20s C) to high 80s F (low 30s C), although night temperatures can dip into the low 60s F (mid 10s C).

What to wear/what to pack:

August

Traveling to Mount Vernon in August, you will notice that it is extremely hot. Expect it to rain a bit less than half of the time. Daytime temperatures are in the high 80s F (low 30s C).

What to wear/what to pack:

September

If you are traveling to Mount Vernon in September, you will notice that it is pretty consistently hot. 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:

October

October in Mount Vernon is mild. 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 40s F (single digits C).

What to wear/what to pack:

November

November in Mount Vernon is cool. The average overnight temperatures in the area are in the 30s F (single digits C), with a few days below 20 F (single digits below 0 C). It tends to rain about a third of the time.

What to wear/what to pack:

December

December in this region is brisk. Temperatures average in the low 40s F (single digits C) during the day. It rains regularly.

What to wear/what to pack:

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