Cornwall, Ontario, Canada: What to pack, what to wear, and when to go [2021]

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Traveling to Cornwall, Ontario, Canada? If you're planning to go to Cornwall, we have 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, the best time to go is July. See below for details.

Important esssentials for Cornwall, Ontario, Canada

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 can be bitter cold and somewhat snowy. Temperatures average in the low 20s F (single digits below 0 C) during the day. It rains sometimes and snows a bit less than half of the time.

What to wear/what to pack:

February

If you go to Cornwall in February, you will notice that it is unbearably cold. Expect it to rain once in a while and snow regularly. Daytime temperatures are in the high 20s F (single digits below 0 C).

What to wear/what to pack:

March

If you go to Cornwall in March, you will notice that it is cold. Expect it to rain about a third of the time and snow occasionally. Daytime temperatures are in the high 30s F (single digits C).

What to wear/what to pack:

April

Traveling to Cornwall in April, you will notice that it can be very chilly 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:

May

May in Cornwall is mild and somewhat rainy. The rain can amount to several inches/centimeters.

During this time, temperatures average in the high 60s F (high 10s C), although night temperatures can dip into the 30s F (single digits C).

What to wear/what to pack:

June

If you visit Cornwall during June, you are likely to see that it is warm and somewhat rainy. Temperatures tend to hover around the 70s F (mid 20s C) during the day, while at night they can dip into the 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:

July

July here is extremely warm and somewhat rainy. Temperatures average in the low 80s F (high 20s C) during the day. It rains 5-10 days this month.

What to wear/what to pack:

August

In August, Cornwall is a perfect temperature and somewhat rainy. Temperatures routinely are in the high 70s F (mid 20s C) range.

At night, lows are in the high 50s 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:

September

In September, Cornwall is mild and somewhat rainy. Temperatures routinely are in the high 60s F (low 20s C) and about half of the time jump into the low 70s F (low 20s C) range.

At night, lows are in the low 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:

October

If you visit Cornwall during October, you might find that it can be chilly 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 low 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:

November

November in Cornwall is cold and somewhat rainy. The rain/snow can amount to several inches/centimeters.

During this time, temperatures average in the low 40s F (single digits C), although night temperatures can dip into the high 20s F (single digits below 0 C).

What to wear/what to pack:

December

If you are traveling to Cornwall in December, you will notice that it is frosty. Expect it to rain once in a while and snow regularly. Daytime temperatures are in the high 20s F (single digits below 0 C).

What to wear/what to pack:

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