The best temperature to wash dishes is typically hot water, around 110°F to 120°F (43°C to 49°C). Using hot water helps to effectively remove grease, oil, and food residues from dishes, making them cleaner and more sanitary. Hot water also aids in breaking down and dissolving detergent or dish soap, enhancing its cleaning power.
However, it's essential to strike a balance between using hot water for cleaning efficiency and being cautious about safety. Water at temperatures above 120°F can cause burns or scalds, especially for young children or the elderly. If you have concerns about the water temperature, you can use a kitchen thermometer to check the water before washing dishes.
Additionally, some modern dishwashers have built-in heating elements that heat the water to the optimal temperature automatically, ensuring the dishes are cleaned effectively without any risk of injury from scalding water.