Thermopolis, Wyoming, United States of America: What to pack, what to wear, and when to go [2024]

Empty Lighthouse is a reader-supported site. This article may contain affiliate links to Amazon and other sites. We earn a commission on purchases made through these links.

Ready to pack for Thermopolis, Wyoming, United States of America? If you're planning to go to Thermopolis, the following is some important information about when to go, what to wear, and what to pack.

Contents

When to go to Thermopolis, Wyoming, United States of America

Based on the climate and weather in Thermopolis, Wyoming, United States of America, the best time to go is August. See below for details.

What to wear/what to pack for Thermopolis, Wyoming, United States of America

Already know when you're traveling?

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

What to wear/what to pack for Thermopolis, Wyoming, United States of America by month

January

January in Thermopolis is frigid. The average overnight temperatures in the area are in the single digits F (10+ below zero C).

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 on earth: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Thermopolis. 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.

Comfort + Essentials

  • Plug adapter

    A plug adapter that supports outlet types A and B. Be careful to choose the right kind. A lot of adapters for sale now are just plug changers and require your devices to adjust the voltage themselves. If your electronics can't do that they could get fried. This one is sufficent for most countries.

  • Luggage scale to avoid fees

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

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck pillow

    A good option is this one

  • Power bank for devices

    A portable power bank, like this one

February

February in Thermopolis can be brisk. The average overnight temperatures in the area are in the single digits F (10+ below zero 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 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 Thermopolis. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

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

Comfort + Essentials

  • Power bank for devices

    A portable power bank, like this one

  • Travel adapter

    A plug adapter that supports outlet types A and B. Ensure that you get the correct kind. The vast majority of adapters currently sold 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 countries.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel pillow

    Our favorite is this one

  • Luggage scale to avoid fees

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

March

If you go to Thermopolis in March, you will notice that it is pretty cool. Daytime temperatures are in the low 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.

  • Voice and data SIM card

    A SIM card that works in Thermopolis. 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 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 belongings.

Comfort + Essentials

  • Power bank for devices

    A portable power bank, like this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Be sure to pick the necessary type. Most adapters for sale now are just plug changers and expect your devices to adjust the voltage themselves. If your electronics can't do that they could get fried. This one should work in most places.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel pillow

    Our fave is this one

  • Luggage scale to avoid fees

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

April

April in Thermopolis is cool. The average overnight temperatures in the area are in the high 20s F (single digits below 0 C). It tends to rain sometimes.

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 stuff.

  • AirTag to track your luggage

    With airports repeatedly losing bags recently, 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.

  • Voice and data SIM card

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

Comfort + Essentials

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Check that you find the correct type. Many adapters on sale are simply plugs and expect your electronics to adjust the voltage themselves. If yours can't do that they could get destroyed. This one works in most areas.

  • 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 neck pillow

    What we like is this one

  • Luggage scale to avoid fees

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

May

May in Thermopolis is balmy. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 60s 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

  • Anti-theft backpack

    For a bit of 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 Thermopolis. 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 help you find it anywhere on earth: AirTag for iPhones.

Comfort + Essentials

  • 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. Ensure that you pick the correct type. Most adapters that you can buy are simply plugs and expect your devices to convert the voltage themselves. If your devices can't do that they could burn up. This one is sufficent for most places.

  • Travel neck pillow

    A good option 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 surcharges with this

June

If you vacation in Thermopolis during June, you will probably notice that it is a perfect temperature. Temperatures tend to hover around the high 70s F (mid 20s C) during the day, while at night they can dip into 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 Thermopolis. 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 luggage recently, an AirTag can locate it anywhere in the world: AirTag for iPhones.

  • 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.

Comfort + Essentials

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Be careful to pick the necessary kind. The vast majority of adapters available online are just plug changers and require your devices to adjust the voltage themselves. If your devices can't do that they could get destroyed. This one works in most areas.

  • Travel pillow

    A good option is this one

  • 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

July

July for Thermopolis is extremely hot and dry with little rain. Temperatures average in the high 80s F (low 30s 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 Thermopolis. 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.

  • Money/passport pouch

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

  • AirTag to track your luggage

    With airlines frequently losing luggage recently, an AirTag can help you find it anywhere in the world: AirTag for iPhones.

Comfort + Essentials

  • Luggage scale to avoid fees

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

  • Travel pillow

    A great choice is this one

  • 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. Be sure to choose the necessary kind. Many adapters on sale are just plugs and expect your devices to adjust the voltage themselves. If your electronics can't do that they could get destroyed. This one should work in most locations.

  • Power bank for devices

    A portable power bank, like this one

August

August in Thermopolis is really hot and very dry with almost no rain. Temperatures average in the 80s F (low 20s C) during the day.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • AirTag to track your luggage

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

  • Voice and data SIM card

    A SIM card that works in Thermopolis. 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 belongings.

Comfort + Essentials

  • Travel neck support pillow

    Our fave 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

  • Plug adapter

    A plug adapter that supports outlet types A and B. Ensure that you get the necessary kind. The vast majority of adapters available online are just plug changers and require your devices to convert the voltage themselves. If your electronics can't do that they could get destroyed. This one is sufficent for most locations.

  • Luggage scale to avoid fees

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

September

September in Thermopolis is warm and dry with little rain. The average overnight temperatures in the area are in the 30s 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.

  • 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 Thermopolis. 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 luggage recently, an AirTag can locate it anywhere in the world: AirTag for iPhones.

Comfort + Essentials

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck support pillow

    Our favorite is this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Be careful to get the correct type. Most adapters for sale now are just plugs and expect your devices to convert the voltage themselves. If yours can't do that they could burn up. This one should be appropriate for most countries.

  • Luggage scale to avoid fees

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

October

October here is cool. Temperatures average in the low 60s F (mid 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 Thermopolis. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airlines constantly losing things 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.

  • 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 large 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

  • Plug adapter

    A plug adapter that supports outlet types A and B. Make sure to find the necessary type. The vast majority of adapters available are simply plugs and expect your electronics to change the voltage themselves. If yours can't do that they could get destroyed. This one should be sufficient for most countries.

  • Travel neck pillow

    A great choice is this one

November

November in Thermopolis is cold. The average overnight temperatures in the area are in the 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

  • 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 recently, an AirTag can help you locate it anywhere in the world: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Thermopolis. 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

  • Travel voltage adapter

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

  • Luggage scale to avoid fees

    Airlines charge excessive amounts 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

  • Travel neck pillow

    A top rated pillow is this one

December

If you go to Thermopolis in December, you will notice that it is very cold. Daytime temperatures are in the low 30s 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 airlines always losing things these days, an AirTag can locate it anywhere anywhere: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Thermopolis. 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.

Comfort + Essentials

  • 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 electronics to change the voltage themselves. If yours can't do that they could burn up. This one should be appropriate for most locations.

  • 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

  • Travel neck pillow

    A good option is this one

What to do in Thermopolis, Wyoming, United States of America

Thermopolis, Wyoming is a small town situated in Hot Springs County. This town is famous for its hot springs, Wyoming Dinosaur Center, and various historical sites. It is a must-visit place for all the adventure seekers and history buffs out there. Here are the top tourist attractions in Thermopolis, Wyoming.

1. Hot Springs State Park - Hot springs state park is one of the most popular tourist attractions in Thermopolis, Wyoming. This park is home to the world's largest mineral hot springs and has over eight hot pools where visitors can relax and enjoy the therapeutic benefits of the natural hot springs. The park also has an excellent picnic area, hiking trails, and a petting zoo.

2. Wyoming Dinosaur Center - The Wyoming Dinosaur Center is another must-visit attraction in Thermopolis. The center has over 30 full-sized fossil skeletons of dinosaurs from the Jurassic period. Visitors can take guided tours of the museum and visit the excavation site to see the paleontologists digging for fossils.

3. Hot Springs County Museum and Cultural Center - The Hot Springs County Museum and Cultural Center is located in downtown Thermopolis. The museum features artifacts and exhibits that showcase the rich history of Hot Springs County, including Native American artifacts, cowboy equipment, and pioneer tools.

4. Legend Rock Petroglyphs - The Legend Rock Petroglyphs are located about 30 miles from Thermopolis. This is a must-visit site for people who love ancient history. Visitors can see the prehistoric rock art that dates back to 500 to 1500 AD.

5. Wind River Canyon Scenic Byway - The Wind River Canyon Scenic Byway runs through the Wind River Canyon, which is one of the most scenic drives in Wyoming. The byway offers stunning views of the Wind River Mountains, cascading waterfalls, and the Wind River.

6. Hot Springs County Fairgrounds - Hot springs county fairgrounds host the famous Hot Springs County Fair annually. The fair features rodeo competitions, horse shows, carnival games, and food stands. Visitors can interact with locals and learn more about the Western culture.

7. The Hole in the Wall Gang Hideout - The Hole in the Wall Gang Hideout is an infamous outlaw hideout located near Thermopolis. This hideout was the home of some of the most notorious outlaws of the 19th century, including Butch Cassidy and the Sundance Kid. Visitors can take a guided tour of the hideout and learn about the outlaws who made it their home.

In conclusion, Thermopolis, Wyoming, has something for everyone. Whether you're a history buff, an outdoor enthusiast, or someone who wants to relax and soak in natural hot springs, Thermopolis has it all. It's a small town that packs a punch, and it's worth a visit to experience the rich culture and history of this amazing place.

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.

Check out our guides for these other locations: Beau Vallon, Seychelles, Aegina, Greece, Shiraishi Island, Japan, Faridabad, India, Shimoda, Japan, Dongguan, China, Kushinagar, India, Lahinch, Ireland, Grand Junction, Colorado, United States of America, Nasu, Japan, and Arcadia, California, United States of America.