To stay on track with weight loss in a Toronto winter, plan your movement indoors before the weather turns, protect your morning routine, and keep the comfort-food months under control with batch-cooked meals you actually enjoy. Winter weight gain is small on average, but research shows it tends to stay through spring and summer, which is how a few pounds a year turns into a different body by 50. The main risks between November and March are fewer steps, darker evenings, the holiday season and more drinking. Each one has a simple fix.
Why winter is where the weight comes from
In a study that weighed adults through the fall and winter, the average gain from late September to late winter was about half a kilogram, most of it over the holidays, and it hadn’t come off by the following September (Yanovski et al., 2000). A European study found a similar pattern: the Christmas gain wasn’t fully reversed in the following months (Turicchi et al., 2020).
For a man in Toronto, the winter months stack several pressures:
- Fewer steps. Ice, slush and dark commutes mean less walking. The lunch walk disappears.
- Short days. Around the winter solstice, Toronto gets only about nine hours of daylight, so most men commute in the dark both ways.
- Comfort food and holidays. Heavier meals, office parties and family gatherings from late November into January.
- More time indoors, close to the fridge and the couch.
Step 1: move your movement indoors
Your step count is usually the first casualty. Decide your winter version now:
| Summer habit | Winter replacement |
|---|---|
| Lunch walk outside | Indoor loop: the PATH if you work downtown, a mall, or office stairs |
| Evening walk | Treadmill (incline) at the gym or a 20-minute walk straight after dinner, lights on, good boots |
| Weekend bike ride | Indoor cycling class or a long walk on cleared paths |
| Outdoor run | Indoor track or treadmill, or run in daylight on weekends |
Brisk walking at 3.5 to 3.9 mph is rated at 4.8 METs in the Compendium of Physical Activities (Compendium of Physical Activities), so a 30-minute incline treadmill walk is a decent workout in its own right. Keep tracking steps; how many steps a day to lose weight has targets. If you do keep running outdoors, winter running in Toronto covers gear and footing.
Step 2: protect the morning
Evenings in January are dark, cold and easy to lose to the couch. Mornings are more reliable:
- Train before work two or three days a week, even if it’s 30 minutes.
- Get outside in daylight for 10 to 15 minutes, a short walk with your coffee counts.
- Keep a consistent wake time. Canada’s guidelines recommend 7 to 9 hours of sleep with consistent bed and wake times (CSEP), and that matters more when daylight is short.
Step 3: make comfort food work for you
Winter cravings don’t have to blow the plan. Lean into meals that are warm, filling and high in protein:
- High-protein chili with lean beef or turkey and beans.
- Lentil and chicken soup.
- Sheet-pan chicken with root vegetables.
- Slow-cooker pulled chicken for the week.
Cook a big batch on Sunday and you have lunches and fast dinners for the week, which takes takeout off the table on the coldest nights. Keep the bread, cheese and second bowls for planned meals rather than every night.
Step 4: handle the holiday stretch separately
From mid-December to New Year’s, switch your goal to maintenance. Losing weight through party season is a fight with your calendar. The plan for each kind of event is in how to avoid holiday weight gain. Restart your deficit in the first full week of January.
Step 5: watch your mood
If your mood drops every fall or winter, with less energy, sleep problems, changes in appetite and weight, and less interest in things you usually enjoy, it may be seasonal affective disorder. CAMH notes it’s linked to reduced sunlight exposure and that light therapy is the main treatment (CAMH). Talk to your doctor. Exercise helps mood, but it isn’t a replacement for treatment.
Vitamin D is a separate question; see vitamin D for men in Canada and ask your doctor or pharmacist whether it applies to you.
Your winter checklist
- Choose your indoor walking option before the first snowfall.
- Book two or three morning training sessions a week.
- Batch-cook one high-protein winter meal every Sunday.
- Switch to maintenance mid-December, restart in January.
- Weigh in daily and watch the weekly average all winter.
The bottom line
A Toronto winter doesn’t have to cost you a few pounds every year. Plan the indoor steps, protect your mornings, make comfort food high in protein, treat the holidays as maintenance, and keep an eye on your mood. If you want a coach adjusting your plan through the season, Monthly 1:1 Coaching runs month to month, so it covers the dark months and the spring that follows.
Questions people also ask
Why do I gain weight every winter?
Usually a mix of less daily movement, more comfort food and holiday eating, more drinking and shorter days that cut into activity and mood. Studies show the fall-to-winter gain is small on average but tends not to come off in spring.
Is it harder to lose weight in winter?
Your body doesn't burn much less in winter, but your habits change. Fewer steps and more evenings indoors are the main reasons. With an indoor movement plan, winter can be a good season for fat loss.
Should I take vitamin D in winter for weight loss?
Vitamin D isn't a weight-loss supplement. Whether you need it is a separate health question; ask your doctor or pharmacist, especially in a Canadian winter.
What if I feel down every winter?
Low mood that comes back every fall or winter can be seasonal affective disorder. It's treatable, often with light therapy. Talk to your doctor rather than trying to push through it with diet and exercise alone.
Sources
- Yanovski et al. (2000), A prospective study of holiday weight gain, N Engl J Med
- Turicchi et al. (2020), Weekly, seasonal and holiday body weight fluctuation patterns, PLoS One
- CAMH — Seasonal affective disorder
- CSEP — Canadian 24-Hour Movement Guidelines for Adults 18–64
- 2024 Adult Compendium of Physical Activities — Walking