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

Traveling to Vandalia, Illinois, United States of America? If you're planning to go to Vandalia, I have 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 Vandalia, Illinois, United States of America

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

Important essentials for Vandalia, Illinois, United States of America

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

COVID-19 ESSENTIALS FOR 2022


  • A vaccine card protector

    Vaccine cards often wear away. An unreadable card can cause severe consequences. This vaccine card protector helps stop that.


  • Hand sanitizer

    This hand sanitizer is an excellent plane-friendly choice.


  • Travel disinfecting wipes

    Use these to sanitize plane and hotel surfaces.


  • 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).


  • N95 masks to use in crowded airports

    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 Vandalia, Illinois, United States of America by month

Already know when you're traveling?

January

If you are traveling to Vandalia in January, you will notice that it is frosty. Daytime temperatures are in the 30s F (single digits C).

What to wear/what to pack:

February

February in Vandalia can be very chilly. Temperatures average in the low 40s F (single digits C) during the day.

What to wear/what to pack:

March

If you visit Vandalia during March, you are likely to notice that it can be 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).

What to wear/what to pack:

April

April in Vandalia is crisp. The average overnight temperatures in the area are in the low 40s F (single digits C), with a few days below 32 F (single digits C).

What to wear/what to pack:

May

In May, Vandalia is warm. Temperatures routinely are in the 70s F (mid 20s C) and regularly jump into the low 80s F (high 20s C) range. At night, lows are in the low 50s F (low 10s C). This is also a rainy time for Vandalia, with several of the days of the month having rain.

What to wear/what to pack:

June

June is pretty consistently hot. Temperatures average in the 80s F (high 20s C) during the day.

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July

July is constantly hot. Temperatures average in the high 80s F (low 30s C) during the day.

What to wear/what to pack:

August

August in Vandalia is constantly hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the 80s F (low 30s C), although night temperatures can dip into the low 60s F (mid 10s C).

What to wear/what to pack:

September

September in Vandalia is a perfect temperature. 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:

October

October is mild. Temperatures average in the high 60s F (low 10s C) during the day.

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November

November in Vandalia is cold. The rain can amount to several inches/centimeters. During this time, temperatures average in the 50s F (low 10s C), although night temperatures can dip into the low 30s F (single digits C).

What to wear/what to pack:

December

December in Vandalia can be very chilly. The average overnight temperatures in the area are in the 20s F (single digits below 0 C).

What to wear/what to pack:

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