In September you were walking every evening. By mid-November it's dark at half four, it's been raining for nine days, and the trainers have been by the door so long they've become furniture. You haven't decided to stop exercising. Winter just decided for you.
This is the most common way activity habits die, and it's not a willpower problem. It's a planning problem: routines built for light, dry evenings simply don't work in a British winter. The fix is to build a winter version before you need it.
What you're aiming for
The NHS guideline for adults is to do at least 150 minutes of moderate intensity activity a week, plus strengthening activities on at least two days. That's about twenty minutes a day of the kind of movement where you can talk but not sing. In winter, the realistic goal is to keep somewhere near that — not to hit new records. Holding steady until March is a win.
Lower the bar on purpose
The biggest mistake is keeping summer's standard and then doing nothing when you can't meet it. If your summer routine was a 45-minute run, your winter minimum might be a 20-minute brisk walk. If it was the gym four times a week, winter might be twice, plus something at home.
Write your winter minimum down. It should be small enough that you could do it on your worst week. Anything above it is a bonus. A minimum you actually meet beats an ideal you keep missing, and it keeps the habit alive for spring.
Use the daylight you've got
In winter, the middle of the day is the only reliable daylight. If you can, move some of your movement there: a walk at lunch, getting off the bus a stop early in the morning, a lunchtime swim. It solves the dark-evening problem and gives you daylight, which helps with energy and mood at this time of year. Our post on resetting your sleep after the clocks go back explains why morning and midday light matter so much.
And if you're using your step count as a guide, winter is a good time to settle for a sensible target rather than an impossible one; see how many steps you really need.
Have a rain plan and a dark plan
Decide now what you'll do when the weather says no, so you're not deciding at 6pm when the sofa is winning.
The rain plan. A good waterproof and a hat turn most rain into a non-issue; people in Scandinavia aren't hardier than you, they're better dressed. If it's genuinely grim, have an indoor option ready: a 20-minute home workout, stairs, a swim, a class.
The dark plan. If you run or walk after dark, stay on lit routes, wear something reflective, and tell someone your route. Or move the activity indoors on dark weekdays and save the long outdoor walk for the weekend's daylight.
The home plan. Ten minutes of bodyweight exercises — squats, lunges, press-ups against the kitchen counter, a plank — covers the NHS's strengthening advice and needs no kit. The NHS's Better Health "Get active" pages have free home workout videos if you want something to follow.
Make it social
When it's cold and dark, it's very easy to cancel on yourself and much harder to cancel on a friend. Arrange a regular walk with someone, join a weekly class, find a local walking or running group. A fixed time with another person does more for winter consistency than any app.
Get the kit ready the night before
Morning exercise in winter dies in the gap between the alarm and the cold. Remove the decisions: clothes laid out, shoes by the door, bag packed, and a plan for exactly what you're doing. If you're starting from scratch or have fallen right off, our guide to starting exercise when you hate exercise is a gentle way back in.
A note on vitamin D
In the UK, the NHS says that between October and early March we do not make enough vitamin D from sunlight, and advises that everyone should consider taking a daily supplement containing 10 micrograms during autumn and winter. It's a simple, cheap step — and it's worth checking the NHS page for the advice that applies to you, especially for children, pregnant women and people who rarely go outside.
Be kind about the dips
There will be weeks when you do the bare minimum, or nothing. That's fine. The aim isn't an unbroken streak; it's to stop one missed week becoming a lost winter. Restart at the minimum the following Monday, without trying to make up for it.
If you have a health condition, or you haven't been active for a long time, check with your GP before stepping things up, and start gently.
The winter plan on one line
Write a small winter minimum. Move in the daylight when you can. Have a rain plan, a dark plan and a ten-minute home plan. Make it social. Lay the kit out the night before. Consider vitamin D. And come back at the minimum after a bad week.
Do that, and you'll arrive at spring with the habit still alive — which is most of the battle.