Ontario weather
Our guide to the weather in Ontario during August
Ontario is a huge province in Canada that includes Canada's largest city, Toronto, and the capital city, Otowa. It also includes thousands of square miles of forest. We've looked at the most up-to-date weather data for Ontario, covering the last 12 years up to 2026, plus we've asked our team of travel bloggers for their first-hand experiences in order to answer the most frequently asked questions about Ontario weather in August.
How warm is it in Ontario during August?
The temperature reaches around 22℃ during the daytime in August, falling away to 11℃ at night. The UV index will be moderate at this time of year, so not something to worry about for the average person. However, if you're going to be outside for long periods it's worth wearing a broad spectrum SPF 30+ sunscreen and UV-blocking sunglasses. Remember that bright surfaces, such as water and sand increase UV exposure.
Does it rain in Ontario during August?
On average, there will be 6 rainy days during the month, amounting to 93.0mm in total. That's a significant amount of rain. For comparison, the wettest months in the UK typically sees between 80mm and 100mm, depending on where you are. There's a small chance that you'll catch a thunderstorm during your trip.
Is it windy in Ontario during August?
You're unlikely to experience any strong winds. Expect a light breeze that picks up slightly at times in August. With warm air temperatures and high humidity, any breeze will feel warm but refreshing.
Ontario Blog posts
From the UK's most popular travel bloggers
The Best Things to Do in Niagara Falls for an Unforgettable Trip
5th November 2025 by The World in My Pocket
Niagara Falls is a destination that often exceeds expectations, and for many, it becomes a place worth revisiting. On my first trip, I boarded the bus with a simple goal: to tick it off my bucket list. However, as I approached the roaring waters, I realised there was so much more to discover. This guide explores the best things to do in Niagara Falls, ensuring your trip is nothing short of unforgettable....
How to Spend a Fantastic One Day in Toronto Itinerary
3rd February 2026 by The World in My Pocket
With just one day to explore Toronto before continuing on to Montreal, the opportunity to discover the city's highlights was too good to pass up. After an incredible trip to Nova Scotia, the prospect of a brief stop in this vibrant metropolis was exciting. This itinerary is designed for those who want to make the most of a single day in Toronto, ensuring you experience the best the city has to offer, even on a tight schedule....
How to Get From Hamilton Airport to Downtown Toronto
13th June 2024 by The World in My Pocket
In April, our intrepid traveller journeyed from London to Toronto, only to find themselves landing at Hamilton Airport instead of the bustling Toronto Pearson. Despite the unexpected change in plans, the quieter experience turned out to be a pleasant surprise....
Cheapest Way to Get From Toronto Pearson Airport to Downtown
27th September 2023 by The World in My Pocket
Once the flight was booked, the travel blogger found themselves pondering the most cost-effective means of transportation from Toronto Pearson Airport to the heart of the city. The flight was scheduled to touch down at midnight, but in reality, it ended up arriving at the ungodly hour of 2 am....
Toronto vs New York City – Which Is Better To Visit In 2023?
21st September 2023 by I'm just a girl 16
Last Updated on 14th September 2023, this article comparing Toronto and New York City contains affiliate links. Are you considering a trip to either Toronto or New York City? Maybe you're even contemplating visiting both, but finding it difficult to decide which city to explore first! This comprehensive guide comparing Toronto and New York City will assist you in making that decision....
Canada Travel Guide: Toronto, Montreal and Quebec City
10th February 2022 by Two Monkey's Travel
Located in North America is a country famous for ice hockey, the Maple leaf, two widely-celebrated Justins (Bieber and Trudeau), and poutine. If I were to describe it in one word, however, I would say that it’s diverse. The place is populated with people from all walks of life, from Asian and Middle-Eastern to European communities. This variety of cultural backgrounds is translated in their food ranging from Chinese takeaways, kebabs, to pizzas and pasta. That’s Canada, eh....
25 things to do in Toronto, Canada
3rd January 2022 by Two Monkey's Travel
Found along Lake Ontario, is the capital of Ontario; Toronto. Though a metropolis full of towering skyscrapers, Toronto has natural attractions including luscious parks. It is considered one of the safest cities in the world even though the population is almost 3 million....
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