Ashhar Alam

Cold weather often tricks people into drinking less water. Since sweating is minimal and thirst cues are weaker, many assume their body needs fewer fluids in winter. According to Dr Dinesh Kumar, Director of Internal Medicine at Fortis Greater Noida, this assumption can quietly lead to dehydration.

“In summer, thirst is more frequent and obvious, so people hydrate regularly,” explains Dr Kumar. “During winter, the urge to drink water drops, but the body’s requirement does not.” Despite cooler temperatures, the body continues to lose fluids daily through breathing, urination, and the skin.

Dry winter air plays a major role in this hidden fluid loss. Breathing in cold, dry air causes moisture to escape from the body without any visible signs, unlike sweating in warmer months. As a result, dehydration in winter often goes unnoticed.

Another common factor is the increased intake of hot beverages. Tea and coffee may feel comforting, but they cannot replace plain water. Dr Kumar points out that excessive caffeine can increase urination, potentially worsening dehydration if water intake isn’t balanced.

Winter dehydration often shows up through subtle symptoms that people blame on the cold. Fatigue, headaches, dry skin, constipation, dizziness, and poor concentration are common indicators. In older adults, inadequate hydration may increase the risk of urinary infections, kidney issues, low blood pressure, joint discomfort, and stiffness.

Water remains essential for the body year-round. Proper hydration supports digestion, circulation, kidney health, and joint mobility. Dr Kumar notes that people experiencing joint stiffness during winter can benefit from maintaining good fluid intake.

Staying hydrated in cold weather requires mindful habits. Instead of waiting to feel thirsty, sipping water at regular intervals throughout the day is key. Those who dislike cold water can opt for warm or room-temperature water, as the temperature does not affect its benefits.

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Simple cues can help maintain consistency. Keeping a water bottle nearby serves as a reminder, while checking urine colour can offer guidance light yellow usually signals good hydration, whereas darker shades indicate the need for more fluids.

Cold weather may reduce thirst, but it doesn’t reduce the body’s need for water. Drinking enough fluids during winter helps maintain energy, prevents seasonal discomfort, and supports overall wellbeing.