Surviving your first Northern Ontario winter

Why this guide exists

If you've moved here from a warm country (or even from southern Ontario), winter up here will surprise you. It's not just "cold" — it's months of cold, with snow on the ground from late October until April or May, and stretches where the temperature plus wind can freeze exposed skin in minutes. The good news: people live full, happy lives in this climate. You just need to learn the rules.

How cold is "Northern Ontario cold"?

Average January overnight lows across the region:

• Thunder Bay: around -23°C
• Sudbury: around -19°C
• Sault Ste. Marie: around -17°C
• North Bay: around -19°C
• Timmins: around -25°C

Record cold snaps push past -40°C with wind chill. Wind chill is the "feels-like" temperature when you factor in wind speed — at -20°C with strong wind it can feel like -35°C. Environment Canada issues an extreme cold warning when wind chill hits -30°C or lower in most of Northern Ontario. At wind chill below -28°C, exposed skin can freeze in 10 to 30 minutes.

Check the daily forecast at weather.gc.ca — pay attention to "feels like," not just the air temperature.

Dressing for the cold — the LAYERS rule

One thick jacket is not enough. The trick is multiple thin layers that trap warm air. The big enemy is moisture — sweat, snow melt, or rain. Wet clothing in the cold is dangerous.

Where to get free or cheap winter clothing

A good parka and boots can cost $300–$600 new — but you don't need to pay full price. Plan in September or October. Waiting until December usually means higher prices and empty shelves.

• Coats for Kids — annual coat drives run by the Salvation Army and local charities. Apply early in October.
• Settlement organizations — Thunder Bay Multicultural Association, Sudbury Multicultural & Folk Arts Association, Northern Ontario Multicultural community programs. Many run a clothing closet for newcomer families.
• Salvation Army Thrift Stores, Goodwill, Mission Thrift — used parkas and boots in good condition for $10–$40.
• Buy Nothing Facebook groups — search "Buy Nothing Thunder Bay," "Buy Nothing Sudbury," etc. People give away winter clothing every week.
• School coat drives — many schools in the region collect coats for newcomer families. Ask the school's SWIS / settlement worker.
• Public library bulletin boards + local radio often list community winter-clothing giveaways.

Frostbite — frozen tissue

Frostbite happens when skin and the tissue underneath actually freeze. Most common on fingers, toes, ears, nose, and cheeks. Source: Public Health Agency of Canada.

Signs to watch for:

• Skin turning white, grey, or yellow-grey; can look waxy or hard
• Numbness or loss of feeling
• Painful tingling, then no pain (which is worse, not better)

What to do:

• Get indoors immediately
• Remove wet clothing
• Warm the area gradually with body heat (under your armpit, against your stomach) or warm — not hot — water (37–40°C / 99–104°F)
• Do not rub the area, do not use direct heat (heater, fire, hair dryer), do not break blisters
• If skin stays white/numb after 30 minutes, or there are blisters, go to a hospital or call 911
• Do not thaw the area if there's a risk it will freeze again — refreezing causes far worse injury

Hypothermia — when your core temperature drops

Hypothermia is when your whole body gets too cold. It can happen in any cold, wet, or windy condition — not just at -30°C.

Early signs: shivering, cold hands and feet, tiredness.

Severe signs: shivering stops, confusion, slurred speech, clumsiness, drowsiness, very slow breathing. Severe hypothermia is a medical emergency — call 911.

While waiting for help:

• Move the person indoors or out of the wind
• Replace any wet clothing with dry, dry blankets
• Warm the chest, neck, head, and groin first — not the arms and legs
• Give warm (not hot) sweet drinks if they're awake and able to swallow — no caffeine, no alcohol
• Handle them gently — rough movement can stop a cold heart

Carbon monoxide — the silent winter killer

Carbon monoxide (CO) is a poisonous gas you can't see or smell. It's released by faulty furnaces, blocked vents, gas water heaters, fireplaces, generators, BBQs, and car engines. Winter is the dangerous season because homes are sealed up tight.

• Symptoms of CO poisoning: headache, nausea, dizziness, sleepiness, confusion. If a whole household feels these together — get outside and call 911.
• Ontario law requires a CO detector in homes with a fuel-burning appliance, fireplace, or attached garage. Test it every fall and replace batteries.
• Never run a car, generator, BBQ, or heater inside a garage, shed, or home — even with the door open.
• Have your furnace inspected by a licensed technician (TSSA-registered) every couple of years. More info: Technical Standards & Safety Authority.

Winter driving

Driving in Northern Ontario winter is a different skill from summer driving. Take it seriously even if you had decades of experience back home.

• Snow tires (not all-seasons). Strongly recommended across Northern Ontario from late October to April. Most Ontario auto insurers give a discount (often around 5%) for installing them. If you rent a vehicle in winter, ask whether snow tires are fitted.
• Build a winter car kit and keep it in your trunk: warm blanket, extra hat and mittens, snacks (granola bars), bottled water, flashlight + spare batteries, jumper cables, a small shovel, sand or kitty litter for traction, ice scraper and snow brush, candle and matches, phone charger.
• Check conditions before long drives: 511 Ontario and weather.gc.ca.
• Black ice is invisible. Be especially careful on bridges, shaded curves, and the first 10–15 minutes after temperatures rise above freezing or snow starts to melt.
• Slow down, leave more space — stopping distance on snow and ice can be 3–4 times longer.
• Don't run a vehicle in a closed garage (carbon monoxide).
• Keep your gas tank above half in winter — fuel lines can freeze, and you may need engine heat if stranded.
• If you get stuck in a storm, stay with your car. It's a shelter and rescuers can find it. Run the engine about 10 minutes per hour for heat, crack a window slightly for fresh air, and keep snow clear of the tailpipe to prevent CO buildup.

For a refresher on Ontario rules see ontario.ca/winter-driving. If you're still working on getting an Ontario licence, see our driver's licence guide.

Home heating — costs and help

Heating bills in Northern Ontario can be a shock. A typical winter month can run $150–$400 depending on home size, insulation, and heat source (natural gas is usually cheapest; electric baseboard and propane are usually the most expensive).

Programs that help low- and moderate-income households:

• Ontario Electricity Support Program (OESP) — a monthly credit on your electricity bill based on household income and size. Apply at ontarioelectricitysupport.ca.
• Low-income Energy Assistance Program (LEAP) — emergency help (up to about $500/year for electricity, more for natural gas) if you're behind on bills or facing disconnection. Apply through a local social-service agency listed on the Ontario Energy Board site.
• OEB winter disconnection ban — Ontario rules prevent your electricity from being disconnected in the coldest months for non-payment. If a utility threatens it in winter, contact the Ontario Energy Board.
• Equal billing / budget billing — most utilities let you pay the same amount every month, spreading winter spikes across the year. Call your provider to set it up.
• For more options visit ontario.ca/heating-bill-help.

Kids and winter

• Schools generally do not close for cold — only for severe storms or transportation failures.
• Most school boards switch to indoor recess when the wind chill is around -28°C or colder. Kids can still walk to school in that weather, so they need real winter gear.
• Pack each kid every day from November to April: snow pants, snow boots, mittens (with spares), toque, neck warmer or balaclava, and a labelled backpack.
• Most schools keep a lost-and-found of winter clothing — ask. Many also have a quiet "spare bin" for families who need a hand.

Mental health in long winters

Six months of darkness, snow, and cold takes a real toll. Seasonal Affective Disorder (SAD) is a treatable form of depression linked to short days and low light. It's common — especially for newcomers from sunny climates.

Common signs (October–March): low energy, sleeping too much, weight gain, low mood, loss of interest, social withdrawal.

What helps:

• Light therapy — a 10,000-lux light box, used about 20–30 minutes each morning, helps many people. Affordable models exist.
• Get outside on sunny days, even briefly. Sunlight (and a daily walk) makes a real difference.
• Vitamin D — between October and April the sun is too low in Northern Ontario for your skin to make enough. Talk to a doctor or pharmacist about a supplement.
• Stay connected. Winter is isolating. Settlement programs, faith communities, and the Canadian Mental Health Association (CMHA) run winter activities — say yes when you can.
• If symptoms are heavy, talk to a family doctor or call 9-8-8 (Canada's suicide and crisis helpline). See our mental health resources guide for more options.

Power outages

Winter storms knock out power. Be ready before it happens.

• Keep extra blankets, warm clothing, non-perishable food (canned, dry), bottled water, and a flashlight ready.
• Never use a BBQ, propane heater, or generator indoors (CO).
• Hydro One outage map: stormcentre.hydroone.com. Many local utilities (Thunder Bay Hydro, Greater Sudbury Hydro) have their own outage pages.
• During severe cold + outage, cities open warming centres — check your municipality's website or call 211. Thunder Bay's response is at thunderbay.ca.
• Dial 211 any time for human help finding a warming centre, food, or shelter.

Common pitfalls for newcomers

• Wearing cotton (jeans, undershirts) in -20°C — gets damp from snow and sweat, traps cold against the skin
• Skipping snow tires to "save money" — one accident costs far more
• Wearing only a hood — hoods don't cover ears; ears freeze first
• Drinking alcohol "to warm up" — actually accelerates heat loss and hurts judgment
• Letting the gas tank run low — fuel lines can freeze, and you may need engine heat if stranded
• Not checking for a CO detector in your rental — you have the right to ask
• Waiting until December to shop for winter gear — prices spike, sizes sell out

First-winter checklist (do this in October–November)

Last reviewed: April 2026. Programs and thresholds change — confirm details on the Public Health Agency of Canada cold-weather page, Ontario winter driving, and Ontario Energy Board bill-assistance pages. In an emergency call 911. For non-emergency help dial 211. Mental-health crisis: 9-8-8.