Binningen logs 29th hottest August day amid sustained warm spell

August 10, 2026

Yesterday in Binningen was unusually hot with a high of 35.9°C, ranking as the 29th hottest August day on record and continuing a 30-day stretch of consistently warm weather that included 31 summer days and 6 tropical nights.

Photo: birdeye.ch, Boat on Rhine River, Wettstein bridge, on https://chatgpt.com/c/69df12aa-40b4-8397-a5b8-de5a1ef96bb8, licensed under Unsplash License.

Yesterday was an unusually hot day in Binningen. The temperature ranged from a low of 18.7 degrees Celsius to a high of 35.9 degrees, with a daily average of 25.9 degrees.

Looking at the last 30 days, the weather has been consistently warm. The average temperature over this period was 24.64 degrees, with a minimum of 11.2 degrees and a scorching maximum of 39.7 degrees. This recent stretch included 31 summer days, 7 hot days, and 6 tropical nights. Within the past year, yesterday's maximum temperature was the 13th highest, and its mean temperature ranked 28th.

For the current season, yesterday's heat is notable but not record-breaking. The maximum temperature of 35.9 degrees ranks as the 29th hottest August day since measurements began at the NBCN station. The all-time hottest August day remains August 21, 1943, with a high of 38.7 degrees. The top five hottest August days on record are shown in Table 1, which includes two days from earlier this month: August 4th at 37.8 degrees and August 3rd at 37.6 degrees.


Table 1: Top 5 Maximum Temperatures in August since 1865
Date Max Temperature [°C]
1943-08-21 38.7
2003-08-13 38.6
1943-08-19 38.4
2026-08-04 37.8
2026-08-03 37.6

Figure 1: Min, Max and Average Temperatures in August

Data source: Opendata Basel-Stadt
Additional resources: meteostat

🤖 This text was generated with the assistance of AI. All quantitative statements are derived directly from the dataset listed under Data Source.