Sudbury, winter is cranking up the chill factor with snow, gusty winds, and plunging temperatures to keep us bundled up all weekend long. Let’s break it down
A Wintry Weekend in Greater Sudbury: January 17–20, 2025
Greater Sudbury is settling into the heart of winter with snow-filled skies and icy air taking center stage. While today starts off with manageable conditions, a rapid descent into Arctic-level cold is in the cards for this weekend, so dig out those thermals and get cozy.
Friday, January 17 – Snow Moves In
This morning, Sudbury starts off at a brisk -13°C, with a southeast wind at 8 km/h creating a wind chill of -17°C. Cloudy skies dominate with a 40% chance of flurries early on, but the real snow show begins late this morning. Expect 2 cm of snow today, with winds picking up from the south at 30 km/h and gusting to 50 km/h by the afternoon. The high will reach -2°C, a brief reprieve from the deep cold, though wind chills will make it feel like -22°C this morning and -10°C this afternoon.
Tonight: The snow ramps up, adding 5 cm to the total accumulation. Winds from the south continue gusting to 50 km/h before tapering off near midnight. Temperatures will rise to 0°C in the evening and hold steady, but it will feel more like -10°C with the wind chill.
Wardrobe suggestion: A good snow jacket and waterproof boots are essential today, with a hat and gloves to fend off those gusty winds.
Historic extremes for January 17 in Sudbury: The warmest was 7.7°C in 1995, while the coldest was a bone-chilling -33.2°C in 1982.
Saturday, January 18 – Snowy Morning, Frigid Afternoon
The morning starts with periods of snow, tapering off around noon with a total accumulation of another 2 cm. Skies remain mostly cloudy with a 40% chance of flurries in the afternoon. Winds will shift to the northwest, blowing at 20 km/h and gusting to 40 km/h before calming down later in the day. Temperatures will fall dramatically from a high near -2°C in the morning to a biting -15°C by the afternoon. With a wind chill, it will feel closer to -22°C.
Saturday Night: Skies clear partially, but the cold intensifies. Temperatures will plummet to an overnight low of -25°C, with a lingering 30% chance of flurries.
Wardrobe suggestion: Prepare for temperature whiplash! You’ll need a warm winter coat for the afternoon and full thermal gear for the evening.
Sunday, January 19 – Sun, Snow, and an Arctic Blast
Sunday will bring a mix of relief and challenge as sunny skies make a rare appearance, but don’t let that fool you—it’s going to be frigid. The daytime high will struggle to reach -18°C, with a wind chill making it feel even colder.
Sunday Night: Skies remain clear, and the mercury plunges to a bone-rattling low of -29°C.
Wardrobe suggestion: You’ll need every layer you own to stay warm. Think parkas, insulated gloves, and scarves to protect your face from frostbite risks.
Monday, January 20 – Bright but Bitter
The sunshine continues into Monday, but so does the intense cold. Expect a daytime high of -20°C, with a nighttime low dipping back to -27°C. The calm, clear skies offer little in the way of warmth.
Wardrobe suggestion: This is classic “layer until you can’t move” weather. Avoid prolonged exposure to the cold without proper gear.
Weather Trivia – Sudbury’s Snowiest Month
Did you know that January is one of Sudbury’s snowiest months? The city typically sees an average snowfall of 66 cm in January, thanks to its proximity to Lake Huron and Georgian Bay. It’s no wonder that Sudbury locals are experts at winter survival—shovels, snow tires, and a good sense of humor are practically required here!
Short Overview of Weather
Greater Sudbury’s weather for January 17–20, 2025: Snow, gusty winds, and plunging Arctic temperatures. Get ready for a deep freeze with lows near -29°C!
