Add these things in your diet:
1. coconut water helps to cool the body.
2. Drinking two to three glasses a day also helps body in order from dehydration
3. Fresh pineapple, radish, lettuce, onion are also good for body.
4. Using Garlic in daily recipes helps to decrease heat in the body.
5. Drinking pomegranate juice at early morning is very good.
6. spoon of honey in a glass of cold drink change you better. Reduce heat shortly after drinking. Similarly,
7. Drinking water that is boiled with barley cools the body.
so, by following these one can live happily without getting irritation from summer temperatures.