Cornwall, Ontario, Canada: What to pack, what to wear, and when to go [2023]

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Traveling to Cornwall, Ontario, Canada? If you're planning to go to Cornwall, we've got some important information about when to go, what to wear, and what to pack.

Contents

When to go to Cornwall, Ontario, Canada

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

What to wear/what to pack for Cornwall, Ontario, Canada

Already know when you're traveling?

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

What to wear/what to pack for Cornwall, Ontario, Canada by month

January

January in Cornwall is biting cold and somewhat snowy. The snow can amount to several inches/centimeters. During this time, temperatures average in the 10s F (single digits below 0 C) to low 20s F (single digits below 0 C), although night temperatures can dip into the single digits below 0 F (20+ 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.

  • Voice and data SIM card

    A SIM card that works in Cornwall. 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. Be sure to find the right type. The majority of adapters 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 work in most areas.

  • Travel neck support pillow

    An excellent option is this one

  • Ultraportable 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 see the Lost Villages Museum, wear museum-appropriate clothing and take:

February

If you go to Cornwall in February, you will notice that it is biting cold. Expect it to rain once in a while and snow about a third of the time. Daytime temperatures are in the high 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 Cornwall. 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 protection, an anti-theft backpack protects your stuff.

Comfort + Essentials
  • Travel neck support pillow

    A top rated pillow is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Super portable foldable travel stroller

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

  • Power bank for devices

    A portable power bank, like this one

  • Travel voltage adapter

    A plug adapter that supports outlet types A and B. Ensure that you get the necessary kind. A lot of adapters on sale are simply plugs and expect your electronics to convert the voltage themselves. If yours can't do that they could burn up. This one should work in most countries.

If you see the Lost Villages Museum, wear museum-appropriate clothing and take:

March

March in Cornwall is brisk. The average overnight temperatures in the area are in the low 10s F (single digits below 0 C), with a few days below -4 F (20+ below zero C). It tends to rain 5-10 days this month. It also snows 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 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 Cornwall. 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. Ensure that you choose the necessary kind. The majority 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 destroyed. This one works in most areas.

  • Travel neck pillow

    Our favorite is this one

  • Power bank for devices

    A portable power bank, like this one

  • Easy folding travel stroller

    This stroller weighs 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 see the Lost Villages Museum, wear museum-appropriate clothing and take:

April

Traveling to Cornwall in April, you will notice that it can be brisk and somewhat rainy. Expect it to rain about half of the time. Daytime temperatures are in the 50s F (low 10s 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 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 Cornwall. 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

  • Ultraportable travel stroller

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

  • Travel neck pillow

    A great choice is this one

  • Voltage adapter

    A plug adapter that supports outlet types A and B. Take care to get the necessary kind. Many adapters for sale now are just plugs and require your electronics to convert the voltage themselves. If your devices can't do that they could get fried. This one should be appropriate for most areas.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

If you see the Lost Villages Museum, wear museum-appropriate clothing and take:

May

Traveling to Cornwall in May, you will notice that it is mild and somewhat rainy. Expect it to rain about half of the time. Daytime temperatures are in the high 60s F (high 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 Cornwall. 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.

Comfort + Essentials
  • Travel neck 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.

  • 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 adapter

    A plug adapter that supports outlet types A and B. It's important that you pick the right kind. The majority of adapters on sale are just plug changers and require your electronics to convert the voltage themselves. If yours can't do that they could burn up. This one should be appropriate for most countries.

If you see the Lost Villages Museum, wear museum-appropriate clothing and take:

June

In June, Cornwall is a perfect temperature 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 Cornwall, 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 Cornwall. 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 belongings.

Comfort + Essentials
  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Make sure to pick the necessary type. The majority of adapters that you can buy are just plugs and require your electronics to change the voltage themselves. If yours can't do that they could get destroyed. This one works in most countries.

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel neck pillow

    A versatile choice is this one

  • Folding travel stroller

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

  • Power bank for devices

    A portable power bank, like this one

If you see the Lost Villages Museum, wear museum-appropriate clothing and take:

July

In July, Cornwall is hot and somewhat rainy. Temperatures routinely are in the low 80s F (high 20s C) and occasionally jump into the 80s F (low 30s C) range. At night, lows are in the low 60s F (mid 10s C). This is also a rainy time for Cornwall, 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 Cornwall. 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.

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 find the right type. The vast majority of adapters on sale are simply plug changers and expect your electronics to adjust the voltage themselves. If yours can't do that they could burn up. This one should work in most countries.

  • Travel pillow

    What we like is this one

  • Power bank for devices

    A portable power bank, like this one

  • Easy folding travel stroller

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

If you see the Lost Villages Museum, wear museum-appropriate clothing and take:

August

If you visit Cornwall during August, you might find that it is a perfect temperature 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 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 Cornwall. 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 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

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Be careful to find the necessary type. The majority of adapters currently sold are just plug changers and require your devices to change the voltage themselves. If your devices can't do that they could burn up. This one is sufficent for most locations.

  • Travel neck pillow

    A great choice is this one

  • Folding travel stroller

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

If you see the Lost Villages Museum, wear museum-appropriate clothing and take:

September

If you visit Cornwall during September, you will probably notice that it is balmy and somewhat rainy. Temperatures tend to hover around the high 60s F (low 20s C) during the day, while at night they can dip into the low 50s F (low 10s 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
  • 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 Cornwall. 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
  • Travel neck pillow

    A versatile 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

  • Folding travel stroller

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

  • Travel adapter

    A plug adapter that supports outlet types A and B. Take care to get the correct type. Most adapters currently available are just plug changers and expect your devices to change the voltage themselves. If your electronics can't do that they could get fried. This one should be sufficient for most places.

If you see the Lost Villages Museum, wear museum-appropriate clothing and take:

October

In October, Cornwall is chilly and somewhat rainy. Temperatures routinely are in the 50s F (low 10s C) range. At night, lows are in the low 30s F (single digits C). This is also a rainy time for Cornwall, with several of the days of the month having rain.

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 Cornwall. 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
  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Travel pillow

    A top rated pillow is this one

  • Travel adapter

    A plug adapter that supports outlet types A and B. Take care to find the correct type. The vast majority of adapters currently sold are just plugs and expect your electronics to convert the voltage themselves. If yours can't do that they could get destroyed. This one should be sufficient for most places.

  • Super portable foldable travel stroller

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

  • Power bank for devices

    A portable power bank, like this one

If you see the Lost Villages Museum, wear museum-appropriate clothing and take:

November

In November, Cornwall can be brisk and somewhat rainy. Temperatures routinely are in the low 40s F (single digits C) and sometimes jump into the low 50s F (single digits C) range. At night, lows are in the low 20s F (single digits below 0 C). This is also a rainy time for Cornwall, 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 Cornwall. 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. Check that you pick the right type. The vast majority of adapters for sale now are just plugs and expect your devices to change the voltage themselves. If your devices can't do that they could get fried. This one should work in most places.

  • Travel neck pillow

    What we like is this one

  • Airplane phone mount

    Make your flight more comfortable with an airplane phone mount

  • Easy folding travel stroller

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

  • Power bank for devices

    A portable power bank, like this one

If you see the Lost Villages Museum, wear museum-appropriate clothing and take:

December

December for Cornwall is frosty. Temperatures average in the high 20s F (single digits below 0 C) during the day. It rains occasionally and snows about a third 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 Cornwall. 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 belongings.

  • Money/passport pouch

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

Comfort + Essentials
  • Easy folding travel stroller

    This stroller weighs 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

  • Voltage step down adapter

    A plug adapter that supports outlet types A and B. Ensure that you get the necessary type. Most adapters that you can buy are simply plug changers 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

  • Travel neck pillow

    A good option is this one

If you see the Lost Villages 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: Atlantic Coast, Uruguay, Simsbury, Connecticut, United States of America, Juticalpa, Honduras, Tokyo Disney Resort, Japan, Lipetsk, Russia, Newcastle, South Africa, Khao Yai National Park, Thailand, Newton, Massachusetts, United States of America, Frankfort, Michigan, United States of America, Hamm, Germany, and Johnson, Vermont, United States of America.