June 28, 2026, was an exceptionally hot day at the NBCN weather station in Binningen. The minimum temperature was 22.7 degrees Celsius, the maximum reached 36.0 degrees, and the average temperature for the day was 29.7 degrees.

Over the last 30 days, the average temperature has been 22.3 degrees, with a minimum of 9.4 degrees and a maximum of 39.0 degrees. During this period, there have been 21 summer days, 14 hot days, and 4 tropical nights. For the current season, the average temperature is 22.3 degrees, with a minimum of 9.4 degrees and a maximum of 39.0 degrees. Looking at all years for this season, the average temperature is 22.3 degrees, with a minimum of 9.4 degrees and a maximum of 39.0 degrees.

The hottest day in June for all years was June 27, 2026, with a maximum temperature of 39.0 degrees. The hottest day for all years was also June 27, 2026, with a maximum temperature of 39.0 degrees. Table 1 shows the top 5 hottest June days: June 27, 2026, at 39.0 degrees; June 26, 2026, at 38.8 degrees; June 27, 1947, at 38.4 degrees; June 25, 2026, at 38.0 degrees; and June 26, 1947, at 36.8 degrees.

The maximum temperature of 36.0 degrees on June 28, 2026, ranks as the 11th highest for any June day on record.