O'Fallon, Missouri, United States of America: What to pack, what to wear, and when to go [2024]

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Ready to pack for O'Fallon, Missouri, United States of America? If you're planning to go to O'Fallon, this is some important information about when to go, what to wear, and what to pack.

Contents

When to go to O'Fallon, Missouri, United States of America

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

What to wear/what to pack for O'Fallon, Missouri, United States of America

Already know when you're traveling?

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

What to wear/what to pack for O'Fallon, Missouri, United States of America by month

January

If you are traveling to O'Fallon in January, you will notice that it is brisk. Daytime temperatures are in the high 30s 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 these days, an AirTag can help you locate it anywhere anywhere: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in O'Fallon. 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 protection, an anti-theft backpack protects your things.

Comfort + Essentials

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Make sure to pick the correct kind. The majority of adapters available online are simply plug changers and expect your devices to convert the voltage themselves. If your devices can't do that they could burn up. This one should be appropriate for most areas.

  • Travel pillow

    Our fave 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 huge prices for overweight luggage. Avoid penalties with this

February

February in O'Fallon is cold. The average overnight temperatures in the area are in the 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.

  • AirTag to track your luggage

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

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

Comfort + Essentials

  • Travel neck support pillow

    Our favorite 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. Be careful to get the right kind. The majority of adapters currently being sold are simply plugs and expect your devices to convert the voltage themselves. If yours can't do that they could get fried. This one should work in 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

March

March in O'Fallon is chilly. The average overnight temperatures in the area 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 bit of peace of mind, an anti-theft backpack protects your belongings.

  • AirTag to track your luggage

    With airlines constantly losing bags nowadays, an AirTag can locate 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 O'Fallon. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials

  • Travel adapter

    A plug adapter that supports outlet types A and B. It's important that you choose the correct type. The majority of adapters for sale now are simply plug changers 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 locations.

  • Travel pillow

    A great choice is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

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

  • Power bank for devices

    A portable power bank, like this one

April

April in O'Fallon is balmy. Temperatures average in the high 60s F (low 10s C) during the day.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • AirTag to track your luggage

    With airlines frequently losing bags recently, an AirTag can help you find it anywhere anywhere: 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 O'Fallon. 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

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. It's important that you choose the right type. Most adapters on sale are just plug changers and require your electronics to adjust 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 excessive amounts for overweight luggage. Avoid surcharges with this

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    A good option is this one

May

Traveling to O'Fallon in May, you will notice that it is a perfect temperature. Daytime temperatures are in the 70s F (mid 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 O'Fallon. 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 recently, an AirTag can help you find it anywhere anywhere: AirTag for iPhones.

  • Anti-theft backpack

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

Comfort + Essentials

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. It's important that you get the necessary kind. The majority of adapters that you can buy are simply plugs and expect your electronics to adjust the voltage themselves. If yours can't do that they could burn up. This one should be appropriate for most places.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck pillow

    An excellent option is this one

  • Luggage scale to avoid fees

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

  • Power bank for devices

    A portable power bank, like this one

June

June in O'Fallon is pretty consistently hot. The rain can amount to several inches/centimeters. During this time, temperatures average in the 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 airports constantly 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 stuff.

  • Voice and data SIM card

    A SIM card that works in O'Fallon. 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

  • Travel neck support pillow

    A top rated pillow is this one

  • Travel adapter

    A plug adapter that supports outlet types A and B. Be careful to find the necessary kind. Many adapters available online 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 works in 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

  • Luggage scale to avoid fees

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

July

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

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • AirTag to track your luggage

    With airports frequently losing bags recently, an AirTag can help you find it anywhere on earth: 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 O'Fallon. 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.

Comfort + Essentials

  • Travel adapter

    A plug adapter that supports outlet types A and B. Check that you pick the necessary type. A lot of adapters currently being sold are simply plug changers and expect your electronics to convert the voltage themselves. If yours can't do that they could burn up. This one is sufficent for most countries.

  • Travel neck support pillow

    Our fave is this one

  • Luggage scale to avoid fees

    Airlines charge large 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

August

August in O'Fallon can be very 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 O'Fallon. 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 luggage recently, an AirTag can locate it anywhere on earth: AirTag for iPhones.

  • 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 stuff.

Comfort + Essentials

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Take care to get the necessary type. Most adapters currently sold are simply plug changers and expect your electronics to change the voltage themselves. If yours can't do that they could get fried. This one works in most places.

  • Travel neck support pillow

    Our fave is this one

  • Luggage scale to avoid fees

    Airlines charge large amounts 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

September

If you visit O'Fallon during September, you might 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:

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 protection, an anti-theft backpack protects your stuff.

  • AirTag to track your luggage

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

  • Voice and data SIM card

    A SIM card that works in O'Fallon. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck support pillow

    What we like is this one

  • Luggage scale to avoid fees

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

  • 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. Make sure to find the right kind. Most adapters on sale are just plug changers and expect your devices to adjust the voltage themselves. If your electronics can't do that they could burn up. This one should be appropriate for most places.

October

October in O'Fallon is mild. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 50s F (mid 10s C) to high 60s F (low 20s C), although night temperatures can dip into the low 40s 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 O'Fallon. 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 frequently losing luggage these days, an AirTag can help you find it anywhere anywhere: AirTag for iPhones.

Comfort + Essentials

  • Power bank for devices

    A portable power bank, like this one

  • Travel pillow

    A top rated pillow is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel adapter

    A plug adapter that supports outlet types A and B. It's important that you pick the necessary type. A lot of adapters that you can buy are just plug changers and require your devices to change the voltage themselves. If yours can't do that they could burn up. This one is sufficent for most locations.

  • Luggage scale to avoid fees

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

November

November in O'Fallon is crisp. 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 30s 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 O'Fallon. 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 find it anywhere in the world: AirTag for iPhones.

  • 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.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

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

  • Travel adapter

    A plug adapter that supports outlet types A and B. Make sure to get the right kind. Many adapters for sale now are simply plugs and expect your electronics to change the voltage themselves. If yours can't do that they could get fried. This one should be appropriate for most places.

  • Travel pillow

    A great choice is this one

  • Power bank for devices

    A portable power bank, like this one

December

Traveling to O'Fallon in December, you will notice that it can be very chilly. Daytime temperatures are in the low 40s F (single digits C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • AirTag to track your luggage

    With airports constantly losing bags these days, 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.

  • Anti-theft backpack

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

  • Voice and data SIM card

    A SIM card that works in O'Fallon. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Check that you find the correct kind. The majority of adapters currently available are simply plug changers and expect your electronics to adjust the voltage themselves. If your devices can't do that they could get destroyed. This one is sufficent for most areas.

  • Luggage scale to avoid fees

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

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    A good option is this one

What to do in O'Fallon, Missouri, United States of America

Located in the heart of Missouri, United States, O'Fallon is a charming city known for its historical significance, beautiful parks, and fantastic shopping experience. It is a perfect destination for travelers looking for an adventure in a peaceful, laidback setting. Here are some of the top tourist attractions in O'Fallon, Missouri:

1. O'Fallon City Park - Spread over 200 acres, O'Fallon City Park is a beautiful park buzzing with activity throughout the year. From soccer fields, baseball diamonds to walking trails, this park has something for everyone. It is also home to an aquatic center that offers water slides, lazy river, and other exciting water activities.

2. Fort Zumwalt Park - Fort Zumwalt Park is a park full of historical significance. It is home to the Zumwalt's Fort, which was built in the early 19th century. The park is also home to the largest War Memorial and Garden in Missouri. It has beautiful walking trails, a lake, and picnic areas.

3. Mastermind Room Escape - If you are looking for a thrilling experience, then the Mastermind Room Escape is for you. It is an exciting and fun-filled activity that requires team effort to solve puzzles and escape a challenging room.

4. Quail Ridge Park - Quail Ridge Park is another beautiful park in O'Fallon, Missouri. It is a popular destination for biking, camping, and fishing. It has beautiful lakes and walking trails, making it a perfect place for a peaceful evening stroll.

5. The O'Fallon Heritage & History Museum - If you are interested in history, the O'Fallon Heritage & History Museum is a must-visit attraction. It displays several artifacts and documents tracing the city's history back to the 1800s.

6. The Family Arena - The Family Arena is an incredible multi-purpose event space in O'Fallon. It hosts several events throughout the year, including sports, concerts, and trade shows.

7. Missouri Bluffs Golf Club - Located in O'Fallon, the Missouri Bluffs Golf Club is a beautiful golf course that features 18 holes with challenging fairways, bunkers, and greens. It is a perfect place to test your golfing skills.

8. O'Fallon Community Park - O'Fallon Community Park is a vibrant park with an exciting community atmosphere. It has a beautiful amphitheater, playgrounds, and picnic areas. The park also hosts several outdoor concerts during the summer.

In conclusion, O'Fallon, Missouri, is a beautiful city that offers a range of activities and attractions that appeal to all ages. Whether you are a history buff, sports enthusiast, or love outdoor activities, O'Fallon has something for everyone. So, if you are planning your next vacation, make sure O'Fallon, Missouri, is on your list of top destinations.

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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