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Toronto Weather in January

Toronto in January averages 1°C (34°F) during the day and -7°C (19°F) at night. This is part of the winter season, and quite a bit of snow/rainfall is expected this month.

Rainfall in Toronto in January

Looking at the last 30 years, the data shows about 12 days with snow/rain, averaging 84 mm (3.3 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Toronto in January

Toronto in January gets highs of 1°C (34°F) during the day and drops to -7°C (19°F) at night. During January, the winter season is in full swing. Expect a distinctly cold feel throughout the day, not just overnight. Nights drop below freezing to -7°C (19°F). An extra blanket is worth packing if you're unsure about the heating where you're staying. The coldest month of the year calls for plenty of warm layers. Be sure to pack your winter gear.

Sunshine in Toronto in January

This month sees fewer sunny days, with about 85 hours of sunshine, perfect for those who enjoy cooler temperatures.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July, August and September typically offer the best weather for Toronto.

Toronto Temperature in January

Min Temperature
-7°C (19°F)
Max Temperature
1°C (34°F)
Chance of Rain
38%
Precipitation
84 mm (3.3 in)
Rainy days
12 days
Humidity
80%
Sunshine
85 hours
Percentage Sunshine
30%

Toronto Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Toronto - and find the best time to visit.

Daily Historical Temperatures

51-year average (1976-2026)

Based on our historical records, temperatures in Toronto typically stay consistent throughout January, with daily highs averaging around 1°C (34°F). Nights are very cold, with lows typically ranging from -10°C (14°F) to -5°C (23°F).

Average temperatures in January

Daily Historical Precipitation

51-year average (1976-2026)

Average daily rainfall for each day of the month based on long-term records.

Average precipitation in January

Historical weather records for Toronto in January

Browse day-by-day weather records for Toronto spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Toronto historical weather extremes in January

Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Toronto.

  • Toronto recorded its highest January temperature of 15°C (59°F) on January 5, 1998.

Best Places in Canada in January

Find out more about the weather in Canada and which places have the best travel conditions in this month. See all of Canada in January →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Toronto in January

Dress warmly and in layers for your trip to Toronto in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. With limited sunshine expected, sunglasses aren't a priority for packing.

What To Do in Toronto in January

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    4/10
  • Cycling
    2/10
  • Walking
    2/10
  • Camping
    1/10
  • Outdoor sports
    2/10

Toronto 3-Day Forecast

More climate data for Toronto

Popular in January

Where to go in January - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.