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Weather in January
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Weather in January in Ontario

Thinking about venturing to Ontario this January and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Ontario in January?

Ontario is a region in Canada. The weather in Ontario in January can be quite varied, with very cold temperatures and precipitation levels ranging from low to high. January falls during the winter season.

Temperatures

The average maximum temperatures are very cold and range from -12°C in Red Lake to 1°C in Saint Catharines. Nighttime temperatures generally drop to -6°C in Saint Catharines and -21°C in Red Lake. Typically, it's the chilliest month of the year. Making it a great time for staying indoors and enjoying the warmth. Make sure you're prepared by packing the right winter outfits.

Precipitation

In January, precipitation varies across different areas. From low snowfall in Kenora with an average of 27 mm to high snowfall in Kincardine with 103 mm.

Average sunshine

Toronto experiences limited sunny days, amounting to roughly 85 hours of sunshine. This makes it perfect for those who prefer dimmer, cloudier settings rather than intense sunlit days

For a closer look at January's conditions in Ontario, see the map below. For a more detailed look at Ontario's yearly weather, check out our Ontario climate page.

Where to go in Ontario in January

Find more information for the most popular destinations in the Ontario on the map below. Click on a destination dot for more detailes.

Weather conditions Weather
Temperatures
Precipitation
Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in January for the 5 most popular destinations in Ontario?

Toronto

In January Toronto generally has very low temperatures with maximum daytime temperatures around 1°C, minimum nighttime temperatures around -7°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Toronto
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   December December
<<  
4°C 
-3°C 
78 hours 
83 mm 
13 days 
poor 
January January
1°C 
-7°C 
85 hours 
84 mm 
12 days 
poor 
February   >> February
>>  
1°C 
-7°C 
111 hours 
68 mm 
10 days 
poor 
Climate in Toronto

Ottawa

In January Ottawa generally has very low temperatures with maximum daytime temperatures around -4°C, minimum nighttime temperatures around -15°C and moderate monthly snowfall. So on average the conditions are poor that month.

Ottawa
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snowfall precipitationSnowfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   December December
<<  
-0°C 
-9°C 
83 hours 
85 mm 
16 days 
poor 
January January
-4°C 
-15°C 
98 hours 
79 mm 
14 days 
poor 
February   >> February
>>  
-2°C 
-14°C 
132 hours 
69 mm 
12 days 
poor 
Climate in Ottawa

Niagara Falls

In January Niagara Falls generally has very low temperatures with maximum daytime temperatures around 0°C, minimum nighttime temperatures around -7°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Niagara Falls
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   December December
<<  
4°C 
-3°C 
68 hours 
93 mm 
16 days 
poor 
January January
0°C 
-7°C 
93 hours 
68 mm 
19 days 
poor 
February   >> February
>>  
-1°C 
-8°C 
109 hours 
67 mm 
16 days 
poor 
Climate in Niagara Falls

Mississauga

In January Mississauga generally has very low temperatures with maximum daytime temperatures around 0°C, minimum nighttime temperatures around -8°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Mississauga
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   December December
<<  
3°C 
-3°C 
88 hours 
76 mm 
12 days 
poor 
January January
0°C 
-8°C 
78 hours 
77 mm 
11 days 
poor 
February   >> February
>>  
1°C 
-8°C 
113 hours 
66 mm 
9 days 
poor 
Climate in Mississauga

Niagara on the Lake

In January Niagara on the Lake generally has very low temperatures with maximum daytime temperatures around 1°C, minimum nighttime temperatures around -5°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Niagara on the Lake
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
<<   December December
<<  
3°C 
-2°C 
68 hours 
57 mm 
10 days 
poor 
January January
1°C 
-5°C 
93 hours 
42 mm 
13 days 
poor 
February   >> February
>>  
0°C 
-5°C 
109 hours 
48 mm 
11 days 
poor 
Climate in Niagara on the Lake

Is your destination not in the list? Have a look at other destinations in Ontario, in Canada.

Is January the best time to visit Ontario?

In our view, January might not be the best time to travel to Ontario with often poor weather in Toronto.

On average, the best time to visit Ontario is in June, July, August and September with generally perfect weather in Toronto. On the other hand, the months of January, February, March, April, November and December tend to have poor weather conditions.

Interested in more climate information?

We have much more information about the climate in Ontario. Interested in the weather conditions in a specific month? Select the month below.

  • January      
  • February      
  • March      
  • April      
  • May      
  • June      
  • July      
  • August      
  • September      
  • October      
  • November      
  • December      

    • 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.