St. Louis County, Missouri, United States of America: What to pack, what to wear, and when to go [2024]

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Ready to pack for St. Louis County, Missouri, United States of America? If you're planning to go to St. Louis County, I've got some important information about when to go, what to wear, and what to pack.

Contents

When to go to St. Louis County, Missouri, United States of America

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

What to wear/what to pack for St. Louis County, Missouri, United States of America

Already know when you're traveling?

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.

What to wear/what to pack for St. Louis County, Missouri, United States of America by month

January

January in St. Louis County is cold. The average overnight temperatures in the area are in the high 10s F (single digits below 0 C), with a few days below 0 F (10+ below zero C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your things.

  • Voice and data SIM card

    A SIM card that works in St. Louis County. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airports frequently losing things these days, an AirTag can help you locate it anywhere on earth: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials
  • Travel adapter

    A plug adapter that supports outlet types A and B. Take care to pick the correct type. The vast majority of adapters currently sold are just plugs and expect your devices to adjust the voltage themselves. If your devices can't do that they could burn up. This one is sufficent for most places.

  • Luggage scale to avoid fees

    Airlines charge huge penalties for overweight luggage. Avoid surcharges with this

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel pillow

    A top rated pillow is this one

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

February

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

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

  • Voice and data SIM card

    A SIM card that works in St. Louis County. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airports constantly losing bags nowadays, an AirTag can find it anywhere anywhere: AirTag for iPhones.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel pillow

    An excellent option is this one

  • Power bank for devices

    A portable power bank, like this one

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Take care to get the right kind. The vast majority of adapters available are just plug changers and expect your devices to change the voltage themselves. If yours can't do that they could burn up. This one works in most places.

  • Luggage scale to avoid fees

    Airlines charge large amounts for overweight luggage. Save money with this

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

March

If you visit St. Louis County during March, you might see that it can be very chilly. Temperatures tend to hover around the 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:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a little peace of mind, an anti-theft backpack protects your belongings.

  • Voice and data SIM card

    A SIM card that works in St. Louis County. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airlines frequently losing things recently, an AirTag can help you locate it anywhere anywhere: AirTag for iPhones.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Check that you choose the right type. Many adapters available are simply plugs and expect your electronics to adjust the voltage themselves. If your electronics can't do that they could burn up. This one is sufficent for most countries.

  • Luggage scale to avoid fees

    Airlines charge huge amounts for overweight luggage. Save money with this

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    A versatile choice is this one

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

April

April for St. Louis County is balmy. Temperatures average in the high 60s F (high 10s C) during the day.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your things.

  • AirTag to track your luggage

    With airports always losing luggage these days, an AirTag can find it anywhere on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in St. Louis County. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge huge amounts for overweight luggage. Avoid surcharges with this

  • Travel pillow

    Our favorite is this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Take care to pick the necessary kind. Most adapters available online are just plug changers and expect your electronics to adjust the voltage themselves. If yours can't do that they could get fried. This one is sufficent for most areas.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

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

May

May in St. Louis County is warm. The rain can amount to several inches/centimeters. During this time, temperatures average in the 60s F (high 10s C) to 70s F (mid 20s C), although night temperatures can dip into the low 50s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • AirTag to track your luggage

    With airports frequently losing luggage recently, an AirTag can help you find it anywhere on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in St. Louis County. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

Comfort + Essentials
  • Travel pillow

    An excellent option is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge excessive amounts for overweight luggage. Avoid penalties with this

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you choose the right kind. The majority of adapters that you can buy are simply plug changers and require your electronics to adjust the voltage themselves. If your devices can't do that they could get fried. This one works in most countries.

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

June

Traveling 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:

Clothes + Footwear
Health
Safety + Security
  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in St. Louis County. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your belongings.

  • AirTag to track your luggage

    With airlines constantly losing things nowadays, an AirTag can help you locate it anywhere in the world: AirTag for iPhones.

Comfort + Essentials
  • Travel neck support pillow

    Our favorite is this one

  • Plug adapter

    A plug adapter that supports outlet types A and B. It's important that you choose the right kind. The vast majority of adapters available online are simply plug changers and require your devices to adjust the voltage themselves. If your devices can't do that they could burn up. This one should be appropriate for most places.

  • Luggage scale to avoid fees

    Airlines charge excessive prices for overweight luggage. Save money with this

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

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

July

If you visit St. Louis County during July, you might notice that it is consistently hot. Temperatures tend to hover around the high 80s F (low 30s C) during the day, while at night they can dip into the high 60s F (low 10s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your stuff.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • Voice and data SIM card

    A SIM card that works in St. Louis County. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airlines always losing things recently, an AirTag can locate it anywhere on earth: AirTag for iPhones.

Comfort + Essentials
  • Travel neck pillow

    What we like is this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Check that you get the correct kind. The vast majority of adapters on sale are simply plugs and require your devices to convert the voltage themselves. If yours can't do that they could get fried. This one works in most countries.

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge large amounts for overweight luggage. Avoid surcharges with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

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

August

August in St. Louis County is really 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:

Clothes + Footwear
Health
Safety + Security
  • Voice and data SIM card

    A SIM card that works in St. Louis County. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your stuff.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airlines constantly losing things nowadays, an AirTag can help you find it anywhere in the world: AirTag for iPhones.

Comfort + Essentials
  • Luggage scale to avoid fees

    Airlines charge excessive prices for overweight luggage. Save money with this

  • Travel neck pillow

    Our favorite is this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. It's important that you get the necessary type. The vast majority of adapters currently sold are just plugs and require your electronics to convert the voltage themselves. If yours can't do that they could burn up. This one should work in most countries.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

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

September

If you vacation in St. Louis County during September, you are likely to find that it is pretty consistently 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:

Clothes + Footwear
Health
Safety + Security
  • Voice and data SIM card

    A SIM card that works in St. Louis County. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a little protection, an anti-theft backpack protects your stuff.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

  • AirTag to track your luggage

    With airports frequently losing bags nowadays, an AirTag can help you find it anywhere anywhere: AirTag for iPhones.

Comfort + Essentials
  • Travel pillow

    An excellent option is this one

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Avoid penalties with this

  • Voltage adapter

    A plug adapter that supports outlet types A and B. It's important that you get the correct kind. Many adapters that you can buy are simply plug changers and expect your devices to change the voltage themselves. If yours can't do that they could get destroyed. This one should be sufficient for most places.

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

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

October

Traveling to St. Louis County in October, you will notice that it is balmy. Daytime temperatures are in the high 60s F (low 20s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Voice and data SIM card

    A SIM card that works in St. Louis County. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

  • AirTag to track your luggage

    With airlines always losing bags these days, an AirTag can help you locate it anywhere in the world: AirTag for iPhones.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials
  • Travel pillow

    A great choice is this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Make sure to pick the correct kind. Many adapters available are just plugs and require your devices to adjust the voltage themselves. If yours can't do that they could get destroyed. This one should be sufficient for most countries.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Save money with this

  • Power bank for devices

    A portable power bank, like this one

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

November

November for St. Louis County is cool. Temperatures average in the 50s F (low 10s C) during the day.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Voice and data SIM card

    A SIM card that works in St. Louis County. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airlines repeatedly losing bags recently, an AirTag can locate it anywhere in the world: AirTag for iPhones.

  • Anti-theft backpack

    For a bit of peace of mind, an anti-theft backpack protects your things.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials
  • Travel pillow

    A great choice is this one

  • Luggage scale to avoid fees

    Airlines charge excessive penalties for overweight luggage. Avoid penalties with this

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. It's important that you find the right kind. The majority of adapters available online are simply plug changers and expect your electronics to convert the voltage themselves. If yours can't do that they could get destroyed. This one should be sufficient for most areas.

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

December

If you are traveling to St. Louis County in December, you will notice that it is brisk. Daytime temperatures are in the low 40s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • Anti-theft backpack

    For a bit of protection, an anti-theft backpack protects your belongings.

  • AirTag to track your luggage

    With airports constantly losing luggage nowadays, an AirTag can locate it anywhere anywhere: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in St. Louis County. A good global SIM card works in most countries, but check the country list before buying.

  • Money/passport pouch

    A money pouch is vital for protecting your passport and credit cards.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck pillow

    A good option is this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Make sure to find the necessary type. The majority of adapters available online are just plug changers and expect your devices to convert the voltage themselves. If your electronics can't do that they could get destroyed. This one should work in most countries.

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Save money with this

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

What to do in St. Louis County, Missouri, United States of America

St. Louis County, located in the state of Missouri, is one of the most visited counties in the United States of America. It is a hub of tourism and offers a plethora of attractions for visitors of all ages. St. Louis County is home to numerous cultural and historical landmarks, breathtaking natural scenery, and modern entertainment options. Here are some of the top tourist attractions that you should explore in St. Louis County:

Gateway Arch

The Gateway Arch is undoubtedly one of the most iconic landmarks of Missouri. It stands tall on the west bank of the Mississippi River and is a symbol of America's westward expansion. Travelers can take a tram ride to the top of the 630-foot arch and enjoy panoramic views of the city of St Louis. The Gateway Arch Park is also home to various other attractions, including an underground museum that takes visitors on a journey through the region's rich history.

Forest Park

Spanning over 1,300 acres, Forest Park is a stunning urban park that has remained a top attraction for tourists and locals alike. The park is home to several popular attractions such as the Saint Louis Art Museum, Saint Louis Zoo, Missouri History Museum, and the Saint Louis Science Center. Other features of the park include hiking and biking trails, boating and fishing at the park's seven lakes, and golfing at the world-renowned Forest Park Golf Course.

Missouri Botanical Garden

The Missouri Botanical Garden is a gorgeous 79-acre botanical garden that has been delighting visitors for over 150 years. It is considered one of the most renowned botanical gardens in the world and is home to several themed gardens, such as the Japanese Garden, English Woodland Garden, and the Chinese Garden. Visitors can also see a huge variety of plants and flowers in the garden's conservatories that include tropical rainforests, deserts, and Mediterranean climates.

Saint Louis Zoo

The Saint Louis Zoo is a free attraction that is a favorite of visitors. It is located within Forest Park and is home to over 18,000 animals from more than 700 species. The zoo offers visitors an excellent opportunity to see animals such as lions, tigers, bears, elephants, and gorillas. The zoo offers many interactive exhibits and shows such as close-up experiences with sea lions, stingrays, and elephants.

Conclusion

St Louis County is a fantastic place for travelers to explore. Visitors will never run out of things to see and do in this vibrant and exciting county. The attractions mentioned above are among the best and most popular in the area. So, when you plan your visit to St. Louis County, ensure that you explore its many natural and historical landmarks and create some unforgettable memories.

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.

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