Temperature in Thousand Islands National Park in August

Daytime highs, nighttime lows and the warmest cities in Thousand Islands National Park, Canada this August.

Thousand Islands National Park, Canada, a region in Canada, typically experiences warm weather in August, with maximum daytime temperatures around 26°C (79°F) and nighttime temperatures around 16°C (61°F) in Brockville. August is part of the summer season

What is the temperature of the different cities in Thousand Islands National Park, Canada in August?

Find the average daytime temperatures in August for the most popular destinations in Thousand Islands National Park on the map below. Click on a destination dot for more detailed information.

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Check the conditions for any month of the year.

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For a detailed overview over the year and the best time to visit Thousand Islands National Park, check out our Thousand Islands National Park's climate page.

See also: Thousand Islands National Park weather by month.

Best Places to Visit in Thousand Islands National Park in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Thousand Islands National Park.

Conditions Temperatures Precipitation
Avg daytime high -5°C (23°F) cold → 32°C (90°F) hot

Marker color shows the average daytime high temperature in August: blue is cold, red is hot.

See all August weather averages, cities and regions in Thousand Islands National Park

Thousand Islands National Park temperatures in August: frequently asked questions

How hot does it get in Thousand Islands National Park, Canada in August?

Expect daytime temperatures around 26°C (79°F) in Brockville. That makes August a high month for Thousand Islands National Park, Canada.

How cold does it get at night in Thousand Islands National Park, Canada in August?

After dark, Brockville cools to about 16°C (61°F) on an average August night.

How much sun does Thousand Islands National Park, Canada get in August?

The weather is predominantly sunny, with an estimated total of around 241 hours of sunshine in Brockville. This means many sunny days, which creates a cheerful atmosphere during this month.

Interested in more climate information?

We have much more information about the climate in Thousand Islands National Park.

Weather and climate has detailed information for every country in the world. Are you going to Canada? Get detailed historical weather averages for many cities in Canada.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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