Cold weather brings crisp air and beautiful scenery—but it also increases the risk of cold-related injuries and illnesses. Whether you're commuting, working outdoors, hiking, or enjoying winter sports, knowing basic first aid for cold conditions can make a critical difference. Here's a practical guide from Bells Down Training to staying safe and responding effectively when temperatures drop.
One of the most serious cold-related emergencies is hypothermia, which occurs when the body's core temperature falls below 35°C (95°F). It can happen faster than many people realize, especially in wet or windy conditions. Early signs include intense shivering, fatigue, clumsiness, and confusion. As hypothermia worsens, shivering may stop, speech can become slurred, and the person may grow drowsy or unresponsive. If you suspect hypothermia, move the person to a warm, sheltered area immediately. Remove any wet clothing and replace it with dry layers. Warm them gradually using blankets, coats, or body heat. Focus warmth on the chest, neck, and groin. If they are conscious and able to swallow, provide warm (not hot) drinks. Avoid alcohol, direct heat like heating pads, or hot baths, as rapid warming can be dangerous. Seek emergency medical help right away for moderate to severe cases.
Frostbite is another common cold-weather injury, affecting fingers, toes, ears, and the nose. It occurs when skin and underlying tissues freeze. Early symptoms include numbness, tingling, and pale or bluish skin that may feel hard or waxy. If frostbite is suspected, get out of the cold as quickly as possible. Remove tight clothing or jewellery that could restrict circulation. Rewarm the affected area slowly by placing it in warm (not hot) water—around 37–39°C (99–102°F)—for 15 to 30 minutes. Do not rub or massage the area and avoid direct heat sources such as fires or heaters. After warming, loosely cover the area with sterile dressings and seek medical care, especially if blisters form.
Dehydration is often overlooked in winter. Cold air can be dry, and people tend to drink less when they don't feel hot or sweaty. Signs of dehydration include headache, dry mouth, fatigue, and dark-coloured urine. Prevent dehydration by drinking fluids regularly, even if you don't feel thirsty. Warm beverages like herbal tea or broth can help maintain hydration and body temperature. Limit alcohol and caffeine, as they contribute to fluid loss.
Cold conditions also increase the risk of slips, falls, and overexertion injuries. Icy surfaces can lead to sprains or fractures. If someone falls, assess for pain, swelling, or deformity. For sprains, use the R.I.C.E. method—rest, ice, compression, and elevation. Suspected fractures should be immobilized, and medical attention should be sought promptly. In cases of chest pain, severe shortness of breath, or head injury, call emergency services immediately.
Prevention remains the best first aid. Dress in layers: a moisture-wicking base layer, an insulating middle layer, and a waterproof outer layer. Keep extremities covered with gloves, hats, and warm socks. Stay dry, monitor weather conditions, and plan ahead. With preparation and knowledge, you can safely enjoy everything winter has to offer while protecting yourself and others from cold-weather emergencies.
The causation, recognition and treatment for these winter related ailments are covered comprehensively in the First Aid at Work course. For more information and to book your course check out Bells Down Trainings' range of First Aid courses available in Derbyshire, and throughout the UK.