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Best time to visit Ontario
The best times to visit Ontario (Toronto) are in June, July and August based on our default weather conditions. Update your weather preferences to see which months best match.
Ontario by month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Recommended for Ontario
Expires at 23:59 on Monday 2nd Feb 2026 · View all Virgin Holidays offers
Top Ontario destinations
Below are the temperatures expected today at popular countries, regions and places in Ontario. Select a destination to compare today's forecast with average weather conditions.
All Ontario destinations
- Hamilton
- Kenora
- Kingston
- Moosonee
- Niagara Falls
- North Bay
- Ottawa
- Peawanuk
- Sault Ste. Marie
- Sudbury
- Thunder Bay
- Timmins
- Toronto
- Windsor
When is the best time to visit Ontario?
Max Day Temperature (°C)
- Jan
-2 - Feb-2
- Mar
4 - Apr
11 - May
18 - Jun
24 - Jul
27 - Aug25
- Sep21
- Oct
14 - Nov7
- Dec
0
Best time to visit
The weather guide for Ontario (Toronto) shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by meteoblue. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about Ontario
Explore our complete guide to Ontario with the latest travel advice for travellers and holidaymakers including official updates and local travel tips for Ontario.
- Essential information
- Ready to book?
- Top travel deals
- Travel advice
- Travel health
- Travel features
- FAQs
Ontario essential information
Below is a beginner's guide to Ontario with essential travel facts such as dominant language spoken, typical flight time from the UK and the local currency. You can also check whether visas are required and what plug adapter you need to pack.
| Ontario - quick facts | |
|---|---|
| Flight time✝ | 8 hours |
| Time difference | UK -5 to -6 hours |
| Language(s) | English, French |
| Currency | Canadian Dollar |
| Electricity | A + B plug (120V) |
| Driving side | Right |
| Visa✝ | Yes |
✝ = Typical flight time from the UK and visa requirements for UK travellers.
Travelling to Ontario?
Discover where to book holidays, flights, hotels and more from popular travel providers for your trip to Ontario in 2026/2027.
Holidays to Ontario
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TUI Find and book ATOL protected holidays to Ontario and destinations worldwide with low deposits and free child places available. |
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Broadway Travel With 75 years+ history, this UK independent travel agency offers great-value holidays, hotels and cruises to Canada and beyond. |
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Canadian Affair Award-winning Canada travel experts offering tailor-made flights, hotels, trains, cruises and more to and around Canada. |
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First Choice Part of the TUI Group, this well-known UK travel brand offers package holidays to Ontario and beyond. |
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Mercury Holidays Award-winning travel provider offering package holidays, escorted tours and river cruises to Canada and more. |
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Travelbag Award-winning UK-based travel company specialising in personalised long-haul holidays to Canada and further afield. |
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Virgin Holidays UK tour operator offering holidays to the USA, Caribbean and Asia and now known as Virgin Atlantic Holidays. |
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Expedia Compare and book holidays, flights, hotels, car hire and more on this trusted website covering global destinations. |
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lastminute.com Leading European travel company specialising in dynamic holiday packages to thousands of destinations including Ontario. |
Tours to Ontario
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Travelsphere UK-based tour operator with 60+ years experience. Offers award-winning guided tour holidays across six continents. |
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Newmarket Holidays Long-established travel brand offering escorted tours, river cruises, resort stays and more to Ontario, Canada and beyond. |
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Just You Specialists in solo travel for over 25 years. Offers a range of trips and experiences to worldwide destinations including Canada. |
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Contiki Global travel brand for 18-35s, offering over 200 all-inclusive group trips across six continents. Low deposit bookings available. |
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Cosmos Long-standing travel brand offering affordable adventure tours across 54 countries on six continents. |
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Saga Holidays Award-winning travel operator specialising in escorted tours and hotel holidays to Europe and worldwide for over 50s. |
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Trafalgar Discover your next guided tour through this top-rated travel brand covering every destination from Europe to Australia. |
Flights to Ontario
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Air Canada Canada's largest airline offers scheduled international passenger flights to and from Canada. Founding member of Star Alliance. |
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British Airways The UK's national flag carrier is a major global airline, serving over 200 destinations across 80 countries including Canada. |
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Virgin Atlantic Major British airline offering non-stop transatlantic routes from London to the USA and beyond. |
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Air France This major French international airline serves almost 170 destinations across 73 countries including Canada via its hub in Paris. |
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Cathay Pacific Hong Kong's flag carrier airline, serving over 100 destinations across 28 countries and territories including Canada. |
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KLM The Netherland's national flag carrier and the world's largest airline. Serves 170 international destinations via Amsterdam. |
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eDreams Leading European OTA offering thousands of flights and hotels across 40,000 destinations including Ontario. |
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KAYAK Search and compare flights, hotels, car hire and package holidays through this award-winning travel search engine. |
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Kiwi.com Global OTA and search engine specialising in affordable flights, hotels and car hire across worldwide destinations including Ontario. |
Hotels in Ontario
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Hilton Leading global hospitality brand with a portfolio of 9,000 properties across 141 countries and territories including Canada. |
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Radisson Hotels Major international hotel group with 10 brands and over 1,520 hotels worldwide including in Ontario. |
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IHG Leading global hotel group with a portfolio of international brands including Holiday Inn, Crowne Plaza and more. |
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Marriott The world's largest hotel company with a portfolio of 30+ brands and almost 9,600 properties across 143 countries. |
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ALL World-leading hospitality group offering experiences and stays across more than 110 countries including Canada. |
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Agoda One of the world's largest online travel platforms with a network of over 6 million hotels. Plus flights, activities and more. |
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Booking.com Leading global OTA founded in Amsterdam. Offers worldwide accommodation, flights, car hire, activities and more. |
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Hotels.com Part of Expedia Group, this major OTA offers deals and discounts on hotel rooms worldwide including in Ontario, Canada. |
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Priceline Leading OTA for discounted flights, hotels, cruises, car hire, experiences and packages worldwide including in Ontario, Canada. |
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Trivago Global travel brand and metasearch engine that compares accommodation prices across different online booking sites. |
Accommodation in Ontario
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Hostelworld Leading global OTA for hostels and budget accommodation worldwide. Perfect for travellers looking to connect. |
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VRBO |
Things to do in Ontario
Buses & trains in Ontario
Car hire in Ontario
Money transfers to Ontario
eSIMs for Ontario
Ontario travel deals
Check out the latest deals, discount codes and special offers on holidays, flights, hotels and more for Ontario in 2026/2027. Pay low deposits and save with last minute holidays, early bird offers and free kids places where available.
- Save up to £300 on last minute skiing holidays
- Book late skiing holiday deals to Europe & North America
- Filter deals by destination, board basis, rating, travel dates
- Save on holidays & flights worldwide in the BA sale
- Book trips to Europe, USA, Caribbean & beyond
- Including New York, Los Angeles, Florida, Barbados & Dubai
Expires at 23:59 on Tuesday 27th Jan 2026 · View all British Airways offers
- Save on hotel stays in North America with Accor
- ALL-Accor Live Limitless members get extra 10% off
- Travel before 31st May 2026 (inclusive)
Expires at 23:59 on Monday 30th Mar 2026 · View all ALL offers
- Save on return flights to Canada from £441
- Book online in the Air Canada New Year sale
- Travel dates vary by destination. Black out periods apply
Expires at 23:59 on Tuesday 27th Jan 2026 · View all Air Canada offers
- Save on holidays to popular destinations worldwide
- Book holidays to Caribbean, USA, Indian Ocean & more
- Pay just £75 deposits per person to secure booking
Expires at 23:59 on Monday 2nd Feb 2026 · View all Virgin Holidays offers
- Save 15% on ALL tours worldwide in 2026, 2027 & 2028
- Filter tour deals by month, destination, features, price & more
- Travel before 31st December 2028 (inclusive)
Expires at 23:59 on Friday 13th Mar 2026 · View all Newmarket Holidays offers
- Save up to £800 per couple on selected worldwide tours
- Plus save up to £300 per couple on European tours
- Book tours online in Travelsphere New Year sale
Expires at 23:59 on Saturday 28th Feb 2026 · View all Travelsphere offers
- Book flights from £370 per person in Virgin Atlantic sale
- Fly to destinations across the USA, Caribbean & beyond
- Travel before 30th November 2026 (inclusive)
Expires at 23:59 on Monday 2nd Feb 2026 · View all Virgin Atlantic offers
- Save up to 50% on 2026 holidays & tours with Travelbag
- Book selected stays in popular destinations around the world
- Travel before 31st December 2026 (inclusive)
Expires at 23:59 on Saturday 31st Jan 2026 · View all Travelbag offers
- Save up to £500 on holidays (1 May 2026-31 Oct 2027)
- 10% discount up to £500. Min spend £500. T&Cs apply
- Travel between 1st May 2026 & 31st Oct 2027 (inclusive)
Expires at 23:59 on Saturday 31st Jan 2026 · View all First Choice offers
Ontario travel advice
Check the latest travel advice and guidance on visiting Ontario from official government sources (in english) from around the world including entry requirements and travel restrictions.
- UK traveller advice for Ontario - UK FCDO
- Irish traveller advice for Ontario - Department of Foreign Affairs, Ireland
- Safe travel advisories for Ontario - Ministry of Foreign Affairs, New Zealand
- Smarter traveller advice for Ontario - Department of Foreign Affairs, Australia
Learn more about the current safety and security risks from terrorism, natural disasters and more. Read about the local laws and customs to consider when travelling around Ontario.
Note: UK FCDO - UK Foreign, Commonwealth & Development Office
Ontario travel health
Find out more about staying safe when travelling to Ontario with the latest guidance on required vaccinations and recommended medication to take with you.
- Vaccines & medicines for Ontario - CDC
- Health & vaccinations for Ontario - TravelHealthPro, NaTHNac
- How to stay safe & healthy in Ontario - Fit for Travel, Public Health Scotland
Check out the general travel tips for staying safe and healthy in Ontario, risks of preventable diseases and what to pack.
Note: CDC - Centers for Disease Control and Prevention
Ontario travel features
Do you want to learn more about Ontario? Read our latest features covering travel tips and insider destination guides on where to go and what to do in Ontario.
Ontario FAQs
Read our frequently asked questions about travelling to Ontario including the current entry restrictions, driving side, electrical plugs used and much more.
Which is the hottest month in Ontario?
The hottest time of year in Toronto, Ontario is normally July. Expect maximum daytime temperatures to reach 27°C with low heat and humidity.
Which month has the most rain in Ontario?
In terms of rainfall, August is usually the wettest month in Toronto, Ontario with 83mm on average. There are normally 10 days in August with some rain.
When is it sunniest in Ontario?
The sunniest time of year in Toronto, Ontario is normally July with bright sunshine on average for 60% of daylight hours; that's 9 hours of sunshine per day.
When is the sea warmest in Ontario?
The sea is usually at its warmest in Toronto, Ontario in August when the water temperature reaches 21°C.
What is the flight time to Ontario from the UK?
The flight time to Ontario from the UK is typically 8 hours.
What is the time difference between Ontario and the UK?
The time difference between Ontario and the UK is UK time-5 to UK time-6 hours.
What is the main language spoken in Ontario?
What is the currency in Ontario?
The currency in Ontario is the Canadian Dollar (CAD).
Send money to Ontario with XE Money Transfers*.
Which plugs are used in Ontario?
Ontario uses electrical plug type A + B (120 Volts).
Which side of the road do they drive on in Ontario?
They drive on the right side of the road in Ontario.
Find out more about driving in Canada with International Drivers Association*.
Do you need a visa for Ontario?
Yes, UK passport holders do need a visa to enter Ontario.
Check Canada visa requirements for all passport holders with VisaHQ*.
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