Start Warm from the Car Park

The single best way to stay warm on a winter hill day is to begin the day warm. It sounds obvious, but plenty of hillwalkers leave the house feeling chilly, drive to the trailhead with the heater on low, then step out into a biting wind wearing just a base layer and a thin fleece. Within ten minutes they are shivering, and the rest of the day becomes a battle. Instead, dress as if you are already on the summit. Wear your insulating layer from the moment you set off, even if you feel slightly too warm in the first five minutes. You can always vent or remove a layer once you have warmed up through movement.

Choose your clothing carefully. Cotton next to the skin is a poor choice because it holds sweat and loses all insulation when damp. A synthetic or merino wool base layer will wick moisture away and keep you dry. Add a fleece or light synthetic jacket, then a windproof and waterproof shell. This combination traps warmth while letting you adjust as your body temperature rises. Before you leave the car, have a warm drink from a flask and a small snack. That little boost of calories gives your body fuel to burn for heat.

Layer Up Before You Feel Cold

Out on the hill, the moment you notice a chill on your arms, chest or back, stop and add a layer. Do not wait until you are shivering. Shivering means your core temperature is already dropping, and it takes far more energy to warm up again than it does to prevent the chill in the first place. The key is to stay slightly ahead of the cold. If you are walking uphill and generating heat, you might need fewer layers, but as soon as you reach a plateau, turn into the wind, or slow your pace, put that insulating layer back on.

Pay attention to your extremities. Your hands and head lose heat quickly. A warm hat – a woolly hat or a synthetic beanie – makes a huge difference. If your hands feel cold, put on a pair of liner gloves under your main gloves. It is far easier to keep fingers warm than to rewarm them once they are numb. Also consider your legs. Windproof trousers over your walking trousers cut the chill dramatically, especially on exposed ridges. Adjust your layers before you start sweating heavily, because damp clothing is the enemy of warmth.

Eat and Drink Little and Often

Your body is a furnace, and food is the fuel. On a winter day, you burn more calories just staying warm, so you need to eat more regularly than you might in summer. Aim for a small snack every hour – a handful of nuts, a piece of flapjack, a few squares of chocolate, or a handful of dried fruit. Keep these snacks in your hip belt pockets or chest pockets so you can reach them without taking off your rucksack. If you bury them at the bottom of your pack, you simply will not eat them.

Hot drinks are a secret weapon. A flask of tea, coffee, or hot squash provides warmth from the inside and gives you a reason to stop briefly. Cold water is fine, but it can be unappealing when the temperature is near freezing. Drink regularly even if you do not feel thirsty, because dehydration makes you more susceptible to the cold. Avoid alcohol, which dilates blood vessels and increases heat loss. A warm, well-fed walker is a warm, happy walker.

Keep Moving, But Take Smart Breaks

Stopping for long periods is the quickest way to lose heat. When you stop, your body stops generating extra warmth, and the cold air and wind begin to strip away your heat. So keep breaks short – five to ten minutes at most. If you need a longer rest, find shelter behind a rock, a wall, or in a hollow out of the wind. Sit on your rucksack or a foam sit mat rather than the cold ground, which will suck warmth out of you instantly.

The moment you stop, put on an extra insulating layer – often your synthetic jacket or a down jacket – before you even take a sip of tea. As soon as you start moving again, remove that layer to avoid sweating. This stop-start layering feels like a faff, but it is the single most effective habit for staying warm. If the weather is really wild, save your main food break for a bothy, a café, or back at the car. On the hill, keep moving and keep breaks brief.

Pack Spares: Gloves, Hat, and More

Always carry spare gloves and a spare hat in a dry bag inside your rucksack. Gloves get wet from snow, rain, or sweat, and wet gloves are worse than no gloves. A dry pair waiting in your pack can rescue a cold hand. The same goes for a spare buff or neck gaiter, which you can pull up over your nose and mouth when the wind bites. Spare socks are also worth their weight – dry feet are warm feet, and changing socks at lunch can transform your afternoon.

Other small items make a big difference. An emergency shelter or a large foil blanket weighs very little but can block the wind if you or a companion needs to stop suddenly. A small sit mat keeps your backside off frozen ground. A head torch is essential in winter, as darkness falls early. And a flask of hot drink is not a luxury – it is safety equipment. Pack these items every time, even for a short low-level walk. The hills in winter demand respect.

Know the Warning Signs and Turn Back

Cold can creep up on you. Learn the early signs of hypothermia: uncontrollable shivering, cold and pale hands, slurred speech, confusion, and a feeling of exhaustion. If you or someone in your group shows these signs, act immediately. Get out of the wind, add every spare layer you have, wrap the person in a foil blanket or shelter, and give them warm, sugary drinks and food. Do not rub their skin or put them in a hot bath. If they do not improve quickly, descend as fast as is safe and seek help.

There is no shame in turning back. The hills will still be there next weekend. A winter day is not about bagging a summit at all costs; it is about coming home warm, safe, and already planning the next adventure. Start warm, layer up before you feel cold, eat and drink regularly, keep breaks short, and carry spares. Do those things and you will enjoy the quiet, crisp beauty of a winter hill day – and you will still have feeling in your fingers when you get back to the car.