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

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

Contents

When to go to Boulder, Colorado, United States of America

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

What to wear/what to pack for Boulder, Colorado, United States of America

Already know when you're traveling?

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

What to wear/what to pack for Boulder, Colorado, United States of America by month

January

January for Boulder is pretty cool. Temperatures average in the 40s F (single digits 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 Boulder. A good global SIM card works in most countries, but check the country list before buying.

  • AirTag to track your luggage

    With airports repeatedly losing things these days, an AirTag can find it anywhere on earth: 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

  • 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 adapter

    A plug adapter that supports outlet types A and B. Make sure to get the correct kind. Many adapters currently available are simply plug changers and require your electronics to change the voltage themselves. If yours can't do that they could get destroyed. This one should be sufficient for most locations.

  • Luggage scale to avoid fees

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

  • Travel neck support pillow

    A great choice is this one

February

February in Boulder 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

  • Voice and data SIM card

    A SIM card that works in Boulder. 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.

  • Money/passport pouch

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

  • AirTag to track your luggage

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

Comfort + Essentials

  • Travel pillow

    A great choice 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 penalties for overweight luggage. Save money with this

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you get the necessary kind. A lot of adapters for sale now are just plugs and require your electronics to change the voltage themselves. If yours can't do that they could get fried. This one should work in most countries.

March

March for Boulder can be very chilly. Temperatures average in the low 50s F (low 10s C) during the day. It rains sometimes.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Voice and data SIM card

    A SIM card that works in Boulder. 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 stuff.

  • AirTag to track your luggage

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

Comfort + Essentials

  • 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. Take care to pick the correct kind. A lot of adapters currently being sold 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 work in most areas.

  • Travel neck support pillow

    Our favorite is this one

  • Luggage scale to avoid fees

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

April

If you visit Boulder during April, you are likely to notice that it can be chilly. Temperatures tend to hover around the low 60s F (mid 10s C) during the day, while at night they can dip into the 30s F (single digits C). In terms of precipitation, you can expect it to rain occasionally.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Voice and data SIM card

    A SIM card that works in Boulder. 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 airports constantly losing things these days, an AirTag can help you find it anywhere anywhere: AirTag for iPhones.

  • Anti-theft backpack

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

Comfort + Essentials

  • Power bank for devices

    A portable power bank, like this one

  • Travel pillow

    Our fave is 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. Check that you find the necessary type. Most adapters on sale are simply plug changers and require your devices to convert the voltage themselves. If your devices can't do that they could burn up. This one should work in most locations.

  • Luggage scale to avoid fees

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

May

If you visit Boulder during May, you are likely to 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 low 40s F (single digits C). In terms of precipitation, you can expect it to rain sometimes.

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • AirTag to track your luggage

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

  • Voice and data SIM card

    A SIM card that works in Boulder. 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 pillow

    A versatile choice 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. Ensure that you choose the necessary kind. Many adapters currently being 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 places.

  • 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

June

If you are traveling to Boulder in June, you will notice that it is a perfect temperature. Daytime temperatures are in the high 70s F (mid 20s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Voice and data SIM card

    A SIM card that works in Boulder. 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 nowadays, 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

  • Travel neck pillow

    What we like is this one

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Check that you choose the right type. The vast majority of adapters available are just 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 work in most places.

  • Luggage scale to avoid fees

    Airlines charge large penalties 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

July

Traveling to Boulder in July, you will notice that it is hot. Daytime temperatures are in the 80s F (high 20s 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.

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

  • AirTag to track your luggage

    With airports repeatedly losing luggage these days, an AirTag can locate it anywhere in the world: AirTag for iPhones.

Comfort + Essentials

  • 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 amounts for overweight luggage. Avoid penalties with this

  • Travel neck support pillow

    A great choice is this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Check that you choose the correct type. Most adapters on sale are simply plug changers 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 places.

August

August here is pretty consistently hot. Temperatures average in the low 80s F (high 20s 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 Boulder. 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 constantly losing bags 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

  • 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 adapter

    A plug adapter that supports outlet types A and B. It's important that you find the correct kind. Many adapters currently sold are just plug changers and expect your devices to change the voltage themselves. If your electronics can't do that they could get destroyed. This one is sufficent for most countries.

  • Travel neck support pillow

    A versatile choice is this one

  • Luggage scale to avoid fees

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

September

If you go to Boulder in September, you will notice that it is a perfect temperature and dry with little rain. Daytime temperatures are in the high 70s F (mid 20s C).

What to wear/what to pack:

Clothes + Footwear
Health
Safety + Security

  • Voice and data SIM card

    A SIM card that works in Boulder. 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 belongings.

  • Money/passport pouch

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

  • AirTag to track your luggage

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

Comfort + Essentials

  • Travel neck support pillow

    A versatile choice is this one

  • Plug adapter

    A plug adapter that supports outlet types A and B. Ensure that you choose the right kind. The majority of adapters available online are just plugs and require your devices to adjust the voltage themselves. If your electronics can't do that they could burn up. This one should be sufficient for most places.

  • Luggage scale to avoid fees

    Airlines charge large prices 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

October

October is chilly. Temperatures average in the 60s F (high 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 luggage recently, an AirTag can locate it anywhere in the world: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Boulder. 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 belongings.

  • 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

  • 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 surcharges with this

  • Travel adapter

    A plug adapter that supports outlet types A and B. Be sure to pick the correct kind. Many adapters for sale now are just plug changers and require your electronics to convert the voltage themselves. If your electronics can't do that they could get destroyed. This one works in most places.

  • Travel neck pillow

    Our fave is this one

November

Traveling to Boulder in November, you will notice that it is pretty cool. Daytime temperatures are in 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 Boulder. 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 belongings.

  • Money/passport pouch

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

  • AirTag to track your luggage

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

Comfort + Essentials

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Check that you choose the correct kind. The vast majority of adapters currently available are simply plug changers 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 locations.

  • 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

  • Travel neck support pillow

    Our favorite is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

December

December here is brisk. Temperatures average in the 40s F (single digits 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 Boulder. 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 belongings.

  • AirTag to track your luggage

    With airports repeatedly losing bags 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

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Check that you pick the right kind. Most adapters on sale are simply plugs and require your devices to change the voltage themselves. If yours can't do that they could get fried. This one works in most areas.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Luggage scale to avoid fees

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

  • Travel pillow

    Our favorite is this one

  • Power bank for devices

    A portable power bank, like this one

What to do in Boulder, Colorado, United States of America

Boulder, Colorado is one of the most popular tourist destinations in the United States of America due to its breathtaking natural scenery and unique cultural experiences. This mountain city has so much to offer, from hiking in the Rocky Mountain National Park to dining and shopping in the downtown area. Here are the top tourist attractions in Boulder, Colorado.

1. Rocky Mountain National Park

The Rocky Mountain National Park is one of the most popular attractions in Boulder, Colorado. It's a vast, rugged wilderness area that is perfect for hiking, camping, and other outdoor activities. Visitors can explore the park's 400 square miles of mountainous terrain, lush forests, and alpine tundra. The park is home to a variety of wildlife, including elk, moose, bighorn sheep, and black bears. Visitors can also drive along the park's scenic Trail Ridge Road, the highest continuous paved road in the country.

2. Pearl Street Mall

The Pearl Street Mall is a popular shopping and dining area in downtown Boulder. The pedestrian-only mall features street performers, outdoor cafes, boutiques, and art galleries. Visitors can also enjoy the street's unique architectural features, including restored building facades, sculptures, and mosaics. The Pearl Street Mall is a great place to relax and people-watch, especially on a sunny afternoon.

3. Chautauqua Park

Chautauqua Park is a beautiful natural park and cultural center located just a few miles from downtown Boulder. The park is home to some of the best hiking trails in Boulder, including the popular Flatirons Trail. Visitors can take a guided tour of the historic Chautauqua Auditorium or attend a concert or event at the park's outdoor theater. The park also has a resident restaurant, the Chautauqua Dining Hall, which serves up delicious farm-to-table cuisine and offers stunning views of the surrounding mountains.

4. Boulder Creek Path

The Boulder Creek Path is a scenic trail that winds along Boulder Creek for five miles. The path is perfect for biking, walking, and jogging, and it's lined with trees, park benches, and picnic tables. Visitors can stop along the way to eat at one of the many restaurants, bars, or cafes that line the path, or they can just sit and enjoy the natural beauty of Boulder Creek.

5. Celestial Seasonings

Celestial Seasonings is the world's largest tea company, and it's located in Boulder, Colorado. Visitors can tour the company's facility and learn about the tea-making process, from blending and packaging to quality control. The tour also includes tastings of Celestial Seasonings' famous herbal and caffeine-free teas. Visitors can also shop for tea and tea-related gifts in the company store.

In conclusion, Boulder, Colorado is a beautiful and unique destination where visitors can enjoy the great outdoors, cultural experiences, and delicious food and drink. These five attractions are just the tip of the iceberg, and visitors to Boulder will find plenty more to explore and enjoy during their stay.

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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