It was an unusually hot day in Binningen. The temperature reached a minimum of 18.4 degrees Celsius, a maximum of 34.6 degrees Celsius, and a daily average of 27.0 degrees Celsius.

Looking at the last 30 days, the average air temperature was 24.0 degrees Celsius, with a low of 11.2 degrees and a high of 39.7 degrees. This period included 31 summer days, 13 hot days, and 3 tropical nights. Within the past year, the maximum temperature on this date ranked 19th and the mean temperature ranked 12th.

For the month of July, the hottest day on record occurred just the day before, on July 30, 2026, with a maximum of 39.7 degrees Celsius. The second hottest July day was recorded on July 2, 1952, at 39.0 degrees, followed by July 29, 1947, at 38.7 degrees, July 28, 1921, at 38.6 degrees, and July 28, 1947, at 38.5 degrees. These top five hottest July days are listed in Table 1. The maximum temperature of 34.6 degrees Celsius on July 31, 2026, ranks 77th in the historic record for July, while the daily mean temperature ranks 47th.