St. Thomas, Ontario, Canada: What to pack, what to wear, and when to go [2023]

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.

Traveling to St. Thomas, Ontario, Canada? If you're planning to go to St. Thomas, this article contains some important information about when to go, what to wear, and what to pack.

Contents

When to go to St. Thomas, Ontario, Canada

Based on the climate and weather in St. Thomas, Ontario, Canada, the best time to go is August. See below for details.

What to wear/what to pack for St. Thomas, Ontario, Canada

Already know when you're traveling?

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

What to wear/what to pack for St. Thomas, Ontario, Canada by month

January

January in St. Thomas is freezing and somewhat snowy. The average overnight temperatures in the area are in the high 10s F (single digits below 0 C). It tends to rain once in a while. It also snows 5-10 days this month.

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. Thomas. 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 neck support pillow

    Our favorite is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Ultraportable travel stroller

    This stroller is only 10 pounds and folds to the size of a big book.

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you find the right kind. Most adapters currently available are simply plugs and require your electronics to adjust 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

If you go to the Elgin Military Museum, wear museum-appropriate clothing and take:

February

February in St. Thomas is freezing. The average overnight temperatures in the area are in the high 10s F (single digits below 0 C). It tends to rain sometimes. It also snows a bit less than half of the time.

What to wear/what to pack:

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

    A SIM card that works in St. Thomas. 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.

  • Money/passport pouch

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

Comfort + Essentials
  • Ultralightweight travel stroller

    This stroller weighs almost 10 lbs and folds to the size of a big book.

  • Plug adapter

    A plug adapter that supports outlet types A and B. It's important that you find the necessary kind. The vast majority of adapters available online are simply plug changers and require your electronics to adjust the voltage themselves. If your devices can't do that they could get fried. This one works in most locations.

  • Power bank for devices

    A portable power bank, like this one

  • 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 go to the Elgin Military Museum, wear museum-appropriate clothing and take:

March

In March, St. Thomas is pretty cool and somewhat rainy. Temperatures routinely are in the low 40s F (single digits C) and a bit less than half of the time jump into the low 50s F (single digits C) range. At night, lows are in the 20s F (single digits below 0 C). This is also a rainy time for St. Thomas, with several 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 St. Thomas. 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.

Comfort + Essentials
  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Ensure that you pick the correct type. The vast majority of adapters that you can buy are just plugs and expect your devices to change the voltage themselves. If yours can't do that they could get destroyed. This one is sufficent for most locations.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck support pillow

    An excellent option is this one

  • Power bank for devices

    A portable power bank, like this one

  • Super portable foldable travel stroller

    This stroller is only 10 lbs and folds to the size of a big book.

If you go to the Elgin Military Museum, wear museum-appropriate clothing and take:

April

If you vacation in St. Thomas during April, you are likely to find that it is cool and somewhat rainy. Temperatures tend to hover around the 50s F (low 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 about half of the time.

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

Comfort + Essentials
  • Ultralightweight travel stroller

    This stroller weighs almost 10 lbs and folds to the size of a big book.

  • 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. Be careful to get the correct kind. The majority of adapters available online 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 should be appropriate for most locations.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck pillow

    Our fave is this one

If you go to the Elgin Military Museum, wear museum-appropriate clothing and take:

May

May here is balmy and somewhat rainy. Temperatures average in the high 60s F (low 10s C) during the day. It rains about half of the time.

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. Thomas. 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.

Comfort + Essentials
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Folding travel stroller

    This stroller weighs just 10 lbs and folds to the size of a big book.

  • Plug adapter

    A plug adapter that supports outlet types A and B. Check that you get the correct kind. A lot of adapters currently being sold 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 is sufficent for most locations.

  • Power bank for devices

    A portable power bank, like this one

  • Travel neck support pillow

    Our favorite is this one

If you go to the Elgin Military Museum, wear museum-appropriate clothing and take:

June

In June, St. Thomas is warm and somewhat rainy. Temperatures routinely are in the 70s F (mid 20s C) range. At night, lows are in the 50s F (low 10s C). This is also a rainy time for St. Thomas, with several 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 St. Thomas. 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 things.

Comfort + Essentials
  • Folding travel stroller

    This stroller weighs almost 10 lbs and folds to the size of a big book.

  • 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. Check that you pick the right kind. A lot of adapters that you can buy are just plugs and require your electronics to adjust the voltage themselves. If yours can't do that they could get fried. This one works in most countries.

  • Travel neck support pillow

    A great choice is this one

  • Power bank for devices

    A portable power bank, like this one

If you go to the Elgin Military Museum, wear museum-appropriate clothing and take:

July

If you go to St. Thomas in July, you will notice that it is pretty consistently hot and somewhat rainy. Expect it to rain about half of the time. Daytime temperatures are in the low 80s F (high 20s 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 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. Thomas. A good global SIM card works in most countries, but check the country list before buying.

Comfort + Essentials
  • Voltage adapter

    A plug adapter that supports outlet types A and B. Be careful to choose the right kind. Many adapters on sale are just plug changers and expect your devices to convert the voltage themselves. If yours can't do that they could get fried. This one works in most areas.

  • Easy folding travel stroller

    This stroller weighs only 10 lbs and folds to the size of a big book.

  • 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 pillow

    An excellent option is this one

If you go to the Elgin Military Museum, wear museum-appropriate clothing and take:

August

If you vacation in St. Thomas during August, you will probably see that it is warm and somewhat rainy. Temperatures tend to hover around the high 70s F (mid 20s C) during the day, while at night they can dip into the high 50s F (mid 10s C). In terms of precipitation, you can expect it to rain regularly.

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

  • Voice and data SIM card

    A SIM card that works in St. Thomas. 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. Be sure to choose the necessary kind. A lot of adapters currently sold are just plugs and require your electronics to change the voltage themselves. If your devices can't do that they could get destroyed. This one works in most places.

  • Travel neck pillow

    A versatile choice is this one

  • Power bank for devices

    A portable power bank, like this one

  • Easy folding travel stroller

    This stroller is only 10 pounds and folds to the size of a big book.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

If you go to the Elgin Military Museum, wear museum-appropriate clothing and take:

September

September is balmy and somewhat rainy. Temperatures average in the low 70s F (low 20s C) during the day. It rains about half of the time.

What to wear/what to pack:

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

    A SIM card that works in St. Thomas. 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.

Comfort + Essentials
  • Power bank for devices

    A portable power bank, like this one

  • Travel pillow

    An excellent option is this one

  • Folding travel stroller

    This stroller weighs only 10 pounds and folds to the size of a big book.

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. It's important that you find the correct kind. The majority of adapters for sale now 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 work in most places.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

If you go to the Elgin Military Museum, wear museum-appropriate clothing and take:

October

October here is cool and somewhat rainy. Temperatures average in the high 50s F (mid 10s C) during the day. It rains about half of the time.

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

Comfort + Essentials
  • Easy folding travel stroller

    This stroller weighs almost 10 lbs and folds to the size of a big book.

  • Travel adapter

    A plug adapter that supports outlet types A and B. Be careful to find the necessary type. The majority of adapters that you can buy are simply plugs and expect your devices to adjust the voltage themselves. If your devices 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

  • Power bank for devices

    A portable power bank, like this one

  • Travel pillow

    Our fave is this one

If you go to the Elgin Military Museum, wear museum-appropriate clothing and take:

November

November in St. Thomas is pretty cool and somewhat rainy. Temperatures average in the high 40s F (single digits C) during the day. It rains about half of the time.

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 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. Thomas. 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 get the right type. The vast majority of adapters currently available are just plugs and expect your devices to adjust the voltage themselves. If yours can't do that they could burn up. This one should be sufficient for most areas.

  • Travel pillow

    A versatile choice is this one

  • Ultralightweight travel stroller

    This stroller weighs almost 10 lbs and folds to the size of a big book.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Power bank for devices

    A portable power bank, like this one

If you go to the Elgin Military Museum, wear museum-appropriate clothing and take:

December

December in this region is very cold. Temperatures average in the 30s F (single digits C) during the day. It rains regularly and snows regularly.

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

Comfort + Essentials
  • Travel neck support pillow

    What we like is this one

  • Ultralightweight travel stroller

    This stroller weighs almost 10 lbs and folds to the size of a big book.

  • 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. Take care to choose the correct type. The vast majority of adapters currently available are simply plug changers and expect your electronics to change the voltage themselves. If your electronics can't do that they could get fried. This one is sufficent for most countries.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

If you go to the Elgin Military Museum, wear museum-appropriate clothing and take:

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: Aylsham, England, United Kingdom, Wittenberg, Germany, Little Valley, New York, United States of America, Canmore, Alberta, Canada, Ibusuki, Japan, Avon Park, Florida, United States of America, Uzunköprü, Turkey, Finistère, France, Istanbul, Turkey, Chomrong, Nepal, and Moreton Island, Queensland, Australia.