Why you should avoid cold drinks in summer may sound counterintuitive, especially when the sun is blazing and you’re desperate for relief. But drinking icy beverages when temperatures are soaring can do more harm than good, especially for your digestive system and long-term hydration.

How Cold Drinks Affect Your Digestive System

Our digestive tract functions best at a warm internal temperature. When you consume cold drinks, especially in high heat, your body is forced to use energy to warm up the liquid. This slows down the digestive process, affects enzyme function, and may lead to bloating, cramping, or even discomfort — particularly for those with IBS or sensitive guts.

According to traditional Chinese medicine and Ayurveda, the digestive system is like a fire (called “Agni” in Ayurveda). Cold beverages are seen as extinguishers of that fire, weakening digestion and nutrient absorption.

More Cold Drinks, More Thirst?

Ironically, the more cold drinks you consume in summer, the thirstier you may feel. Why? Because icy beverages constrict blood vessels and reduce the efficiency of hydration. While cold drinks may offer instant relief, they don’t support sustained hydration like room-temperature or warm fluids do.

Furthermore, cold fluids can shock your system and slow down rehydration, leading you to drink more without truly quenching your thirst.

Traditional Wisdom: Why Some Cultures Drink Hot Tea in Summer

In many Middle Eastern, North African, and Asian countries — where temperatures can exceed 40°C (104°F) — it is common to drink warm or hot tea, even in the midday heat.

• Moroccan culture: Mint tea served warm helps regulate internal body temperature and promotes calm digestion.
• India: Masala chai is sipped throughout the year, including hot seasons, because of its balancing effect on digestion and sweat response.
• China: Warm water and herbal teas are preferred over cold beverages, based on Traditional Chinese Medicine (TCM) principles.

These traditions support the idea that warm drinks help the body cool down from the inside by promoting sweating — the body’s natural cooling mechanism — without disrupting digestion.

Why You Should Change Your Summer Drinking Habits

If you often suffer from bloating, indigestion, or frequent thirst in summer, reconsider your cold drink habits. Instead of reaching for ice-cold sodas or juices:

• Try lukewarm herbal teas like chamomile, peppermint, or fennel.
• Drink room-temperature water infused with lemon or cucumber.
• Have broths or light soups to stay hydrated and support gut function.

This is especially important for people with IBS, acid reflux, or sensitive digestive tracts, where cold drinks can trigger discomfort or cramps.

Scientific Insights Backing This Wisdom

Studies from the International Journal of Clinical and Experimental Medicine (2013) show that cold water can slow gastric emptying. Another study in the Journal of Physiology and Pharmacology (2011) highlights that warm water improves intestinal motility and comfort.

While modern hydration strategies often favor ice, the evidence — and ancient wisdom — say otherwise. Warm or neutral fluids not only hydrate better but also keep your body in balance.

Final Thoughts: Embrace Ancient Balance

Why you should avoid cold drinks in summer goes beyond simple temperature preference — it’s about honoring your body’s natural rhythms. Whether you’re dealing with digestive issues or simply want to stay hydrated more effectively, switching to warm or room-temperature drinks might be the shift you need.

So next time you’re tempted by that frosty glass, remember the Moroccan mint tea or Indian masala chai — and give your digestive system a gentle, warm hug instead.