Search flights, hotels & activities for Ontario
Compare flights, hotels, cars, and activities in one place.
500+airlines & travel sites compared
21,000+routes tracked
€0booking fees from us
Freeprice drop alerts
Things to Do in Ontario in December
Real historical weather for Ontario in December: average highs of -7°C and lows of -16°C, with around 61mm of rain (averaged over the last 2 years).
-7°C
Average high
-16°C
Average low
61mm
Typical rainfall
Real things to do in Ontario in December
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Ad
Discover Maple Sugar Bush Tour
★ 5.0(96 reviews)· 1h 45m
From €25
Best of Niagara Falls Canada Premium Tour: Behind Falls and Boat
★ 4.8(3,338 reviews)· 4 hrs
From €114
Niagara Falls Canada Tour: Helicopter, Boat Cruise & Journey
★ 4.8(575 reviews)· 6 hrs
From €254
Niagara Falls Tour With Boat Cruise, Illumination Tower & Dinner
★ 4.8(158 reviews)· 7 hrs
From €229
Niagara Falls: Boat Cruise, Journey Behind Falls, & Skylon Tour
★ 4.8(62 reviews)· 4 hrs
From €147
Niagara Falls Tour: Boat Cruise, Journey Behind Falls and Skylon
★ 4.7(683 reviews)· 3h 15m
From €103
Niagara Falls Tour With Journey Behind the Falls & Boat Cruise
★ 4.6(170 reviews)· 3 hrs
From €85
Art Gallery of Ontario: General Admission
★ 4.4(170 reviews)· 3 hrs
From €19
Toronto Double Decker Night Tour
★ 3.0(1 reviews)· 1h 30m
From €32
Ontario City to Ontario Airport (ONT) - Departure Private Transfer
· 10 min
From €61
Real listings from Viator, including live ratings and prices — clicking through takes you to book directly.
Plan the rest of your trip
Continue planning your trip to Ontario
Same destination, real availability — no need to search again.
FAQs — Ontario in December
Based on real historical data (averaged over the last 2 years), expect highs around -7°C and lows around -16°C, with roughly 61mm of rain.