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

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

Contents

When to go to Sumas, Washington, United States of America

Based on the climate and weather in Sumas, Washington, United States of America, the best time to go is July. See below for details.

What to wear/what to pack for Sumas, Washington, United States of America

Already know when you're traveling?

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

What to wear/what to pack for Sumas, Washington, United States of America by month

January

If you vacation in Sumas during January, you may see that it can be brisk and snowy. Temperatures tend to hover around the low 40s F (single digits C) during the day, while at night they can dip into the low 30s F (single digits below 0 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 find it anywhere anywhere: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Sumas. 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 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

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck support pillow

    A great choice is this one

  • Luggage scale to avoid fees

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

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Make sure to get the correct type. Many adapters currently sold are simply plug changers and expect your devices to convert the voltage themselves. If yours can't do that they could burn up. This one should work in most locations.

February

In February, Sumas can be very chilly. Temperatures routinely are in the high 40s F (single digits C) and about a third of the time jump into the low 50s F (single digits C) range. At night, lows are in the low 30s F (single digits C). During your visit, you can expect several inches of snow. This is also a rainy time for Sumas, with several of the days of the month having rain.

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.

  • Voice and data SIM card

    A SIM card that works in Sumas. 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 things these days, an AirTag can help you find 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
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel pillow

    What we like is this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you pick the right type. Most adapters available online are just plugs and expect your devices to change the voltage themselves. If your devices can't do that they could burn up. This one works in most areas.

  • 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

March

In March, Sumas can be very chilly. Temperatures routinely are in the low 50s F (low 10s C) and occasionally jump into the low 60s F (mid 10s C) range. At night, lows are in the 30s F (single digits C). During your visit, you can expect a couple of inches of snowfall. This is also a rainy time for Sumas, with more than half of the days of the month having rain.

What to wear/what to pack:

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

    A SIM card that works in Sumas. 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.

  • Money/passport pouch

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

  • AirTag to track your luggage

    With airports frequently losing luggage these days, an AirTag can help you find it anywhere on earth: 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 on sale 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 should work in most countries.

  • Travel neck support pillow

    Our fave 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

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

April

April in Sumas is relatively cool. Temperatures average in the high 50s F (mid 10s C) during the day.

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 things.

  • AirTag to track your luggage

    With airlines always losing things these days, an AirTag can find it anywhere in the world: AirTag for iPhones.

  • Voice and data SIM card

    A SIM card that works in Sumas. 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. Ensure that you choose the correct type. A lot of adapters currently sold are simply plugs and expect your devices to convert the voltage themselves. If yours can't do that they could get destroyed. This one should be sufficient for most places.

  • Luggage scale to avoid fees

    Airlines charge huge prices for overweight luggage. Save money 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 support pillow

    A good option is this one

May

If you visit Sumas during May, you are likely to notice that it is balmy. Temperatures tend to hover around the 60s F (high 10s C) during the day, while at night they can dip into the low 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 Sumas. 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 bags recently, 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.

  • Anti-theft backpack

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

Comfort + Essentials
  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. It's important that you choose the correct kind. A lot of adapters available are simply plug changers and expect your electronics to change the voltage themselves. If your electronics can't do that they could burn up. This one should be appropriate for most areas.

  • 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 neck support pillow

    An excellent option is this one

  • Power bank for devices

    A portable power bank, like this one

June

June here is balmy. Temperatures average in the low 70s F (low 20s C) during the day.

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 repeatedly losing luggage nowadays, an AirTag can find it anywhere anywhere: AirTag for iPhones.

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

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Travel neck pillow

    An excellent option is this one

  • Luggage scale to avoid fees

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

  • Plug adapter

    A plug adapter that supports outlet types A and B. Be sure to choose the necessary kind. Most adapters currently sold are just plug changers and expect your devices to change the voltage themselves. If your devices can't do that they could get fried. This one is sufficent for most places.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

July

July in Sumas is a perfect temperature. The rain can amount to several inches/centimeters. During this time, temperatures average in the low 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
  • 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 airports frequently losing luggage 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 Sumas. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. It's important that you choose the correct kind. Most adapters available are just plugs and expect your devices to change the voltage themselves. If your devices can't do that they could get destroyed. This one works in most places.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck support pillow

    A versatile choice is this one

  • Luggage scale to avoid fees

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

August

August in this region is warm. Temperatures average in the 70s F (mid 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 Sumas. 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 things.

  • AirTag to track your luggage

    With airlines repeatedly losing luggage recently, an AirTag can find 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
  • Plug adapter

    A plug adapter that supports outlet types A and B. Take care to choose the necessary type. The vast majority of adapters for sale now are just plug changers and require your devices to convert 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

  • Luggage scale to avoid fees

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

  • Travel neck support pillow

    What we like is this one

  • Power bank for devices

    A portable power bank, like this one

September

September in Sumas is mild. The average overnight temperatures in the area are in the 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 luggage these days, an AirTag can find it anywhere on earth: 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 Sumas. 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 adapter

    A plug adapter that supports outlet types A and B. Take care to find the correct kind. Most adapters available are just plug changers and expect your devices to change the voltage themselves. If yours can't do that they could get destroyed. This one works in most areas.

  • Travel pillow

    A top rated pillow 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 large prices for overweight luggage. Avoid penalties with this

October

If you vacation in Sumas during October, you are likely to see that it is chilly. Temperatures tend to hover around the low 50s F (mid 10s C) during the day, while at night they can dip into the low 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 Sumas. 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 frequently losing things recently, an AirTag can locate it anywhere in the world: AirTag for iPhones.

  • Anti-theft backpack

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

Comfort + Essentials
  • Luggage scale to avoid fees

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

  • Travel pillow

    A versatile 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 careful to choose the necessary kind. The vast majority of adapters available are just plug changers and require your electronics to change the voltage themselves. If yours can't do that they could get destroyed. This one should work in most areas.

  • Power bank for devices

    A portable power bank, like this one

November

November in Sumas can be brisk. The rain can amount to several inches/centimeters. During this time, temperatures average in the high 40s F (single digits 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
  • 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 Sumas. 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 find it anywhere on earth: 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

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Make sure to choose the necessary kind. The vast majority of adapters available are just plugs and require your devices to change the voltage themselves. If yours can't do that they could get fried. This one should work in most locations.

  • Travel neck support pillow

    Our favorite is this one

  • Luggage scale to avoid fees

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

December

December in Sumas can be brisk. The snow can amount to several inches/centimeters. During this time, temperatures average in the high 30s F (single digits C) to low 40s F (single digits C), although night temperatures can dip into 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 Sumas. 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 bags nowadays, an AirTag can find it anywhere in the world: 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 stuff.

Comfort + Essentials
  • Travel neck pillow

    An excellent option is this one

  • Luggage scale to avoid fees

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

  • Plug adapter

    A plug adapter that supports outlet types A and B. Check that you choose the necessary type. A lot of adapters available online are simply plugs and expect your electronics to convert the voltage themselves. If your electronics can't do that they could burn up. 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

What to do in Sumas, Washington, United States of America

Nestled in the northwestern state of Washington, Sumas is a quaint town rich in scenic beauty, cultural diversity, and thrilling adventures. While it may not be as popular as some of the larger neighboring cities like Seattle or Vancouver, Sumas has a charm and allure that every tourist must experience. From the stunning natural landscapes to the historical landmarks, Sumas has so much to offer. Here is a list of some of the top tourist attractions in Sumas, Washington.

1. Nooksack Falls- Known for its stunning beauty, Nooksack Falls is a must-visit attraction in Sumas. The cascading 88-foot waterfall and the lush green forest surrounding it is a breathtaking sight for tourists. You can hike along the trails that offer impressive views of the waterfall, and if you're lucky, you might spot some wildlife like bears, elk, and deer.

2. Cultus Mountain- For adventure enthusiasts, Cultus Mountain is the perfect destination. Hiking to the summit of this beautiful mountain can be challenging, but it is worth it. The trek offers beautiful panoramic views of the surrounding landscape, and you can catch a glimpse of the Canadian Cascade Mountains too.

3. Canadian Border- A unique attraction in Sumas is the Canadian border that runs through the town. You can take a short walk to the border and snap a picture with one foot in the United States and the other foot in Canada. The border crossing is also an interesting experience, where you can get a glimpse into the security measures and customs regulations of both countries.

4. Sumas Historical Society Museum- For history buffs, the Sumas Historical Society Museum is the perfect place to visit. The museum exhibits artefacts and memorabilia from Sumas’ history, including information about the surrounding areas, local industries, and the town’s founding.

5. Silver Lake Park- Located in nearby Whatcom County, Silver Lake Park is a popular destination for fishing, boating, and picnicking. It is also an excellent spot for camping and hiking, with trails that offer incredible views of the lake and the surrounding mountains.

6. Sumas International Park- If you're visiting Sumas during the summer months, then Sumas International Park is the best place to go. The park is known for its annual Independence Day celebration organized by both the United States and Canadian communities. The celebration includes a parade, games, and entertainment for all ages.

In summary, Sumas is a hidden gem in the state of Washington that has so much to offer to tourists. From natural beauty to historical landmarks, there’s something for everyone. So, if you’re ever in the area or planning a visit, don’t miss out on these top tourist attractions in Sumas, Washington.

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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