The kidneys are vital organs that play a key role in eliminating toxins and regulating fluid balance in the body. During the summer season, with rising temperatures, the body’s need for water increases to prevent dehydration, which can negatively affect kidney function. Importance of Drinking Water for the Kidneys in Summer Maintaining fluid balance: Water helps the kidneys perform their function of filtering the blood and removing waste products. Prevention of kidney stones: Dehydration leads to the accumulation of minerals in the urine, increasing the risk of kidney stone formation. Enhancing renal filtration: Regular water intake improves the kidneys’ ability to purify the blood and eliminate toxins more efficiently. Effects of Dehydration on the Kidneys Dehydration during summer increases the risk of acute kidney injury due to loss of fluids and electrolytes. It also reduces the kidneys’ ability to filter effectively, posing a threat to overall health. Tips for Maintaining Kidney Health in Summer: Drink water regularly: It is recommended to consume 8–10 glasses of water daily, with higher intake in hot weather. Eat water-rich foods: Such as fruits and vegetables to support hydration. Conclusion: Regular water intake in summer is essential for maintaining kidney health and preventing dehydration and kidney stones. Proper hydration ensures optimal kidney function and reduces health risks associated with fluid loss. Prepared by Ms. Tabarak Ahmed Turki Al-Mustaqbal University The First University in Iraq