Ontario Weather in January
Ontario in January averages 2°C (36°F) during the day and -6°C (21°F) at night. This is part of the winter season. Some snow/rainfall is to be expected.
Rainfall in Ontario in January
Climate statistics over the past 30 years suggest around 9 days of snow/rain, with 23 mm (0.9 in) average for the month. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Ontario in January
Daytime temperatures in Ontario reach 2°C (36°F) in January, dropping to -6°C (21°F) at night. January is known for being in the winter season. Cold conditions tend to persist from morning through evening, so be prepared for winter weather. With lows of -6°C (21°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. It is the coldest month of the year, so be sure to pack proper winter clothing for the conditions.Pack accordingly with warm clothes.January in Ontario has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Ontario's climate page.
Ontario Temperature in January
Min Temperature
-6°C (21°F)
Max Temperature
2°C (36°F)
Chance of Rain
30%
Precipitation
23 mm (0.9 in)
Rainy days
9 days
Best Places in the United States of America in January
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in January →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Ontario in January
We recommend to layer up for chilly conditions in Ontario in January. You could start with thermal underwear or a good base layer to keep your core warm on the cooler days this month. Maybe also add a sweater or fleece, and top it off with a windproof jacket. Some rain is possible, so pack something to handle light showers.What To Do in Ontario in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Ontario's climate page.
See the full Ontario climate overview or explore weather in the United States of America.
