On 2026-05-25, Binningen experienced an exceptionally hot day, with the maximum temperature reaching 31.2 degrees Celsius, which exceeds the 95th percentile. The minimum temperature was 15.7 degrees Celsius, and the average temperature for the day was 23.4 degrees Celsius.

Over the last 30 days, the average air temperature was 14.52 degrees Celsius, with a minimum of 3.0 degrees and a maximum of 31.2 degrees. During this period, there were 5 summer days and 2 hot days, but no tropical nights. Compared to the last 365 days, this day ranks 16th for maximum temperature and 19th for mean temperature, placing it among the warmer days of the past year.

For the current season, the all-time maximum temperature recorded at this station was 39.0 degrees Celsius on July 2, 1952, and the all-time minimum was minus 24.1 degrees Celsius on January 22, 1942. Looking specifically at the month of May, the hottest day on record was May 17, 1945, with a maximum temperature of 33.5 degrees Celsius. Other notably hot May days include May 18, 1953, at 33.1 degrees, May 12, 1912, at 33.0 degrees, and both May 31, 1947, and May 20, 2022, at 32.7 degrees. While May 25, 2026, was unusually hot, it did not break the all-time records for the month or for any month.