Valid: from 29.6. 12:00 to 3.7. 12:00
- Warning valid below 800 m a.s.l.
- Possible impacts: Significant risk of circulatory problems.
- Recommendations for action: Drink (preferably unsweetened) liquids regularly and in sufficient quantities (at least 1.5 litres a day). Protect yourself from direct sunlight (stay in the shade, wear suitable clothing, a hat, sunglasses and sun cream). Allow air to circulate through your home or other buildings before the hot part of the day, i.e. during the night and early in the morning. Avoid vigorous physical activity or compensate for salt loss during or after sport activities. Contact those around you who fall into the risk category and ensure that they are well and able to follow the existing recommendations. Do not leave people or animals unattended in cars. Find out about the possible adverse effects of heat stress.
- Highest temperatures and humidity: 31 - 34 °C, 30 - 45 %
- Lowest night temperatures: 17 - 21 °C
- Peak phase of the event: Tue 12 - Thu 12
- Temporary mitigation: due to thunderstorms on, Mon 30.06.2025
General advice in the event of a heatwave:
- Solar radiation is at its strongest between 11 a.m. and 3 p.m., with the hottest time in the late afternoon (3 p.m. to 6 p.m.), so restrict activities in the open air to morning and evening, and where possible remain in the shade.
- Avoid vigorous physical activity wherever possible. If you are doing any physical activity, hydrate sufficiently (with cool, alcohol-free drinks).
- Protect yourself from direct sun (with shade, appropriate clothing, head covering, sunglasses, sunscreen etc.
- Wear loose, light-coloured clothing.
- Ensure that your body gets sufficient liquid (at least 1.5 to 2 litres a day), and compensate for salt and water loss simultaneously. Water containing sodium, juices, soups, fruits with a high water content, such as melons, cucumbers, tomatoes, strawberries and peaches, are all useful for hydration.
- Eat fresh, cool and light meals, and spread these out over the course of the day.
- Compensate for salt loss during or after sporting activities.
- Make the most of the lower night-time temperatures: allow plenty of outside air to circulate through buildings.
- Cool down with a cool shower or bath.
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