Bern

Drink at least 1.5 litres per day, preferably unsweetened and non-alcoholic drinks. - Warning valid below 800 m a.s.l. - Possible impacts: Significant risk of circulatory problems and physical discomfort. - Recommendations for action: Drink at least 1.5 litres per day, preferably unsweetened and non-alcoholic drinks. - Highest temperatures and humidity: 32 - 36 °C, 20 - 40 % - Lowest night temperatures: 16 - 20 °C - Peak phase of the event: Fri 12 - Fri 20 - Temporary mitigation: -