St. Louis, Missouri, United States of America: What to pack, what to wear, and when to go [2023]

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

Contents

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

Based on the climate and weather in St. Louis, 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, Missouri, United States of America

Already know when you're traveling?

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

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

January

If you go to St. Louis in January, you will notice that it can be very chilly and snowy. Expect it to rain 5-10 days this month and snow sometimes. Daytime temperatures are in the low 30s F (single digits C).

What to wear/what to pack:

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

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

  • 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. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

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

Comfort + Essentials
  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Take care to find the necessary type. The vast majority of adapters currently available are just plugs and expect your devices to adjust the voltage themselves. If your electronics can't do that they could burn up. This one works in most locations.

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    Our favorite is this one

  • Luggage scale to avoid fees

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

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

If you are going to check out the stunning Cathedral Basilica of St. Louis, it's important to wear modest clothing:

If you go to Missouri Botanical Garden, you're likely to do a lot of walking. These are a must:

February

Traveling to St. Louis in February, you will notice that it can be brisk and snowy. Expect it to rain 5-10 days this month and snow occasionally. Daytime temperatures are in the 40s F (single digits 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. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

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

  • AirTag to track your luggage

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

  • Money/passport pouch

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

Comfort + Essentials
  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Take care to pick the right kind. Most adapters currently sold are simply plug changers and expect your devices to adjust the voltage themselves. If your devices can't do that they could burn up. This one should be sufficient for most countries.

  • Travel neck pillow

    A top rated pillow is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

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

  • Power bank for devices

    A portable power bank, like this one

If you are going to check out the stunning Cathedral Basilica of St. Louis, it's important to wear modest clothing:

If you go to Missouri Botanical Garden, you're likely to do a lot of walking. These are a must:

March

March in St. Louis is relatively cool and somewhat rainy. The average overnight temperatures in the area are in the high 30s F (single digits C). It tends to rain 5-10 days this month. With the colder weather comes lower humidity, which is in the 50% to 60% range on average.

What to wear/what to pack:

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

    With airlines repeatedly losing things these days, an AirTag can help you find it anywhere anywhere: AirTag for iPhones.

  • 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. A good global SIM card works in most countries, but check the country list before buying.

  • Anti-theft backpack

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

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Plug adapter

    A plug adapter that supports outlet types A and B. Make sure to get the right kind. The majority of adapters on sale are just plug changers and require your devices to adjust the voltage themselves. If yours can't do that they could get fried. This one should be sufficient for most places.

  • Luggage scale to avoid fees

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

  • Travel neck support pillow

    A top rated pillow is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

If you are going to check out the stunning Cathedral Basilica of St. Louis, it's important to wear modest clothing:

If you go to Missouri Botanical Garden, you're likely to do a lot of walking. These are a must:

April

If you vacation in St. Louis during April, you will probably find that it is mild and somewhat rainy. Temperatures tend to hover around the high 60s F (low 10s C) during the day, while at night they can dip into the high 40s F (single digits C). Humidity is generally between 40 and 50% 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:

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

    With airlines repeatedly losing things nowadays, 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 belongings.

  • Voice and data SIM card

    A SIM card that works in St. Louis. 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
  • Luggage scale to avoid fees

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

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Be sure to choose the right type. A lot of adapters currently sold are simply plug changers and require your devices to convert the voltage themselves. If yours can't do that they could burn up. This one should be sufficient for most countries.

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck support pillow

    A versatile choice is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

If you are going to check out the stunning Cathedral Basilica of St. Louis, it's important to wear modest clothing:

If you go to Missouri Botanical Garden, you're likely to do a lot of walking. These are a must:

May

May in St. Louis is warm and somewhat rainy. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 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
  • 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. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airports always losing things nowadays, 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 belongings.

Comfort + Essentials
  • Luggage scale to avoid fees

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

  • Travel pillow

    What we like is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Plug adapter

    A plug adapter that supports outlet types A and B. Take care to pick the necessary type. A lot of adapters currently being sold are simply plugs and require your electronics to change the voltage themselves. If your devices can't do that they could get destroyed. This one should be sufficient for most areas.

  • Power bank for devices

    A portable power bank, like this one

If you are going to check out the stunning Cathedral Basilica of St. Louis, it's important to wear modest clothing:

If you go to Missouri Botanical Garden, you're likely to do a lot of walking. These are a must:

June

In June, St. Louis can be sweltering. Temperatures routinely are in the 80s F (low 20s C) and about a third of the time jump into the low 90s F (low 30s C) range. At night, lows are in the high 60s F (high 10s C). This is also a rainy time for St. Louis, with a few of the days of the month having rain. In June, humidity reaches as high as 60%.

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.

  • AirTag to track your luggage

    With airports always losing bags nowadays, an AirTag can locate it anywhere on earth: AirTag for iPhones.

  • Anti-theft backpack

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

  • Voice and data SIM card

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

Comfort + Essentials
  • Travel pillow

    Our favorite is this one

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Be sure to get the right kind. A lot of adapters on sale are simply plugs and expect your devices to convert the voltage themselves. If your devices can't do that they could get fried. This one should be appropriate for most areas.

  • Luggage scale to avoid fees

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

If you are going to check out the stunning Cathedral Basilica of St. Louis, it's important to wear modest clothing:

If you go to Missouri Botanical Garden, you're likely to do a lot of walking. These are a must:

July

July is extremely hot. Temperatures average in the high 80s F (low 30s C) during the day. It rains 5-10 days this month.

What to wear/what to pack:

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

    A SIM card that works in St. Louis. 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 little peace of mind, an anti-theft backpack protects your things.

  • AirTag to track your luggage

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

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

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

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Be sure to choose the necessary kind. Most adapters on sale are just plug changers and require your devices to convert the voltage themselves. If yours can't do that they could get destroyed. This one works in most countries.

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck support pillow

    Our fave is this one

If you are going to check out the stunning Cathedral Basilica of St. Louis, it's important to wear modest clothing:

If you go to Missouri Botanical Garden, you're likely to do a lot of walking. These are a must:

August

If you vacation in St. Louis during August, you will probably notice that it is really 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 20s C). Humidity is generally between 50 and 60% during the day. In terms of precipitation, you can expect it to rain regularly.

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.

  • 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. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airports always losing luggage recently, an AirTag can find it anywhere anywhere: AirTag for iPhones.

Comfort + Essentials
  • Travel neck support pillow

    A great choice is this one

  • Power bank for devices

    A portable power bank, like this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

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

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Take care to find the right kind. The majority of adapters on sale are simply plugs and require your devices to adjust the voltage themselves. If your devices can't do that they could get fried. This one should work in most areas.

If you are going to check out the stunning Cathedral Basilica of St. Louis, it's important to wear modest clothing:

If you go to Missouri Botanical Garden, you're likely to do a lot of walking. These are a must:

September

September in St. Louis is extremely warm. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 80s F (high 20s 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
  • AirTag to track your luggage

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

  • Anti-theft backpack

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

  • Voice and data SIM card

    A SIM card that works in St. Louis. 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 support pillow

    A good option is this one

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Make sure to find the right type. Most adapters currently available are simply plugs and require your devices to adjust the voltage themselves. If your devices can't do that they could burn up. This one should be sufficient for most countries.

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

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

If you are going to check out the stunning Cathedral Basilica of St. Louis, it's important to wear modest clothing:

If you go to Missouri Botanical Garden, you're likely to do a lot of walking. These are a must:

October

If you visit St. Louis during October, you might notice that it is balmy. Temperatures tend to hover around the high 60s F (low 20s C) during the day, while at night they can dip into the high 40s F (single digits C). Humidity is generally around 50 during the day. In terms of precipitation, you can expect it to rain regularly.

What to wear/what to pack:

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

    A SIM card that works in St. Louis. 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 things.

  • AirTag to track your luggage

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

  • Money/passport pouch

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

Comfort + Essentials
  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Be careful to get the correct type. Many adapters available are just plugs and expect your electronics to adjust the voltage themselves. If your devices can't do that they could burn up. This one should be sufficient for most locations.

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

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

  • Travel neck pillow

    A top rated pillow is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

If you are going to check out the stunning Cathedral Basilica of St. Louis, it's important to wear modest clothing:

If you go to Missouri Botanical Garden, you're likely to do a lot of walking. These are a must:

November

If you go to St. Louis in November, you will notice that it is chilly and somewhat rainy. Expect it to rain a bit less than half of the time. Daytime temperatures are in the 50s F (low 10s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • 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 locate it anywhere in the world: AirTag for iPhones.

  • 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. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Be sure to get the necessary kind. Many adapters available online are just plug changers and require your devices to change the voltage themselves. If yours can't do that they could get fried. This one is sufficent for most areas.

  • Power bank for devices

    A portable power bank, like this one

  • Luggage scale to avoid fees

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

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel pillow

    Our fave is this one

If you are going to check out the stunning Cathedral Basilica of St. Louis, it's important to wear modest clothing:

If you go to Missouri Botanical Garden, you're likely to do a lot of walking. These are a must:

December

December in St. Louis can be very chilly and snowy. The average overnight temperatures in the area are in the high 20s F (single digits below 0 C). It tends to rain 5-10 days this month. It also snows sometimes. But the colder weather doesn't bring low humidity, which is in the 60% to 70% range on average.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security
  • 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.

  • Voice and data SIM card

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

  • AirTag to track your luggage

    With airlines frequently losing things nowadays, an AirTag can find it anywhere on earth: AirTag for iPhones.

Comfort + Essentials
  • Travel neck support pillow

    What we like is this one

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Avoid surcharges 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

  • Plug adapter

    A plug adapter that supports outlet types A and B. Ensure that you pick the right kind. Most adapters currently available 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 areas.

If you are going to check out the stunning Cathedral Basilica of St. Louis, it's important to wear modest clothing:

If you go to Missouri Botanical Garden, you're likely to do a lot of walking. These are a must:

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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