St. Louis County, Missouri, United States of America: What to pack, what to wear, and when to go [2022]

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Traveling to St. Louis County, Missouri, United States of America? If you're planning to go to St. Louis County, this is 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 St. Louis County, Missouri, United States of America

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

Important essentials for St. Louis County, Missouri, United States of America

Here are some general tips on what to wear in St. Louis County, 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


  • Touchless thermometer

    A touchless thermometer is important to have.


  • Kids' KN95 masks

    N95 masks don't exist 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 may get worn. An unreadable card can cause severe consequences. This vaccine card protector helps stop that.


  • N95 masks

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


  • Hand sanitizer

    This hand sanitizer is an easy-to-carry TSA-friendly choice.

  • (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


  • 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 St. Louis County, Missouri, United States of America by month

Already know when you're traveling?

January

Traveling to St. Louis County in January, you will notice that it can be very chilly. Daytime temperatures are in the high 30s F (single digits C).

What to wear/what to pack:

February

February for St. Louis County is cold. Temperatures average in the 40s F (single digits C) during the day.

What to wear/what to pack:

March

If you go to St. Louis County in March, you will notice that it is brisk. Daytime temperatures are in the 50s F (low 10s C).

What to wear/what to pack:

April

In April, St. Louis County is balmy. Temperatures routinely are in the high 60s F (high 10s C) and about half of the time 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 St. Louis County, with several of the days of the month having rain.

What to wear/what to pack:

May

In May, St. Louis County 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 50s F (low 10s C). This is also a rainy time for St. Louis County, with several of the days of the month having rain.

What to wear/what to pack:

June

If you go to St. Louis County in June, you will notice that it is pretty consistently hot. Daytime temperatures are in the 80s F (high 20s C).

What to wear/what to pack:

July

If you are traveling to St. Louis County in July, you will notice that it can be sweltering. Daytime temperatures are in the high 80s F (low 30s C).

What to wear/what to pack:

August

August in St. Louis County is consistently hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the 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:

September

If you vacation in St. Louis County during September, you will probably notice that it is hot. Temperatures tend to hover around the low 80s F (high 20s C) during the day, while at night they can dip into the 50s F (low 10s C).

What to wear/what to pack:

October

October in St. Louis County is balmy. The average overnight temperatures in the area are in the 40s F (single digits C), with a few days below 32 F (single digits C).

What to wear/what to pack:

November

November in this region is crisp. Temperatures average in the 50s F (low 10s C) during the day.

What to wear/what to pack:

December

December in St. Louis County is cold. The average overnight temperatures in the area are in the low 20s F (single digits below 0 C).

What to wear/what to pack:

Activities for St. Louis County, Missouri, United States of America

Here are some activity recommendations and activity-specific packing tips for St. Louis County.

If you visit the Museum of Transportation, wear museum-appropriate clothing and take:

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