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There is a predictable change that comes with summer’s peak. Extreme summer heat can often affect eating habits and digestion, which leads to many people experiencing a reduced appetite during these months. High temperatures force the body to work harder to regulate internal temperature, which leads to a decline in digestion and reduced hunger levels. According to the Cleveland Clinic, it has to do with the thermic effect of food. 

Why do we feel less hungry in summer? 

The body prioritises cooling

During hot weather, the body focuses more on maintaining temperature than digestion, which can naturally reduce hunger.

Dehydration

Dehydration occurs when the body loses more fluids than it consumes. In the summer season, most people do not hydrate enough. When the body is dehydrated, the gut starts to slow down, and it might not help in digesting food, as per the publication. The lack of hydration may lead to fatigue, nausea, and reduced appetite during extreme heat.

Preference for light foods

There is a predictable change that comes when summer’s at its peak. Favourite dishes don’t taste quite as good anymore, and it is easy enough to blame it all on 'the heat.' That is why people often crave lighter meals such as fruits, salads, and cold beverages instead of heavy or oily foods during summer. 

Heat can cause fatigue

Since high temperatures force the body to work hard, excessive heat leads to tiredness and lower energy levels, and that indirectly affects eating habits.