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16. June 2026

Heat Warning for Mainz: City Urges Caution and Adequate Hydration

According to an advance notice from the German Weather Service (DWD), Mainz is expected to experience severe heat stress (Warning Level 1) from Thursday through Monday.

The state capital of Mainz is therefore urging residents to prepare for the high temperatures and to pay special attention to infants and toddlers, older adults, and people who require care or assistance. Heat can also be a problem for young and healthy people.

“Heat is not merely a summer phenomenon; it can become a serious health risk. Children and older adults are particularly at risk. That is why it is important to drink enough fluids, avoid direct sunlight, and look out for one another,” says Jana Schmöller, Director of Social Affairs.

When heat warnings are in effect, the city recommends three simple basic rules: avoid the heat, keep your body cool, and drink plenty of fluids, as well as protect living spaces from overheating. Outdoor exercise should be scheduled for the early morning hours whenever possible, and shopping or doctor’s visits should be moved to the morning. Always remember to use sunscreen, especially for children. 

Anyone caring for relatives or people in need of care should take special care to ensure that they drink enough fluids regularly and do not expose themselves to the heat unnecessarily.

The free app “Gut versorgt in Mainz” also offers support in this regard; last summer, a heat protection tile was added to the app. The senior and health app is already used by more than 120 municipalities across Germany and brings together information on health, leisure, care, and counseling services in Mainz.

“The app answers very practical everyday questions: Am I drinking enough? How should I behave in hot weather? How do I ventilate properly? When is it better to stay home?” explains Schmöller. “It also shows at a glance where drinking fountains, refill stations, or cool places to stay are located in Mainz.” The app is supplemented by up-to-date warnings from the German Weather Service. “So here’s our tip: Turn on push notifications so that heat warnings arrive directly on your smartphone.”

Janina Steinkrüger, Head of the Environment Department: “The health effects of heat should not be underestimated. Even young, healthy people should avoid competitive sports and strenuous physical activity. Staying adequately hydrated is one of the most effective measures against heat-related health problems. Janina Steinkrüger, Head of the Environment Department, therefore points out the options for obtaining free drinking water in the city: “Anyone out and about in summer temperatures should always carry a water bottle. It can be refilled for free with fresh tap water at our drinking fountains and the numerous refill stations throughout the city.”

The refill stations are marked with a corresponding sticker and are located throughout the city. In addition, there are public drinking water stations as well as numerous fountains and water play areas that provide relief from the heat, especially on hot days.

“Fountains and water play areas enhance the quality of life and contribute to a more pleasant urban environment. They create places where people can take a breather and cool off on hot days,” emphasizes Steinkrüger.

Explanations and notes

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