Binningen logs 34.4 °C, ranking 70th among August records.

August 20, 2026

On August 19, 2026, the NBCN weather station in Binningen recorded a hot day with a maximum of 34.4 °C and a daily mean of 26.5 °C. This maximum ranks 70th among all August days on record, while the recent 30-day period included 22 hot days and 5 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.

Today, August 19, 2026, was an unusually hot day at the NBCN weather station in Binningen. The minimum temperature was 17.5 °C, the maximum reached 34.4 °C, and the daily mean was 26.5 °C. This qualifies as a hot day, which is defined as a day with a maximum temperature of at least 30 °C.

Looking at the last 30 days, the average air temperature was 24.82 °C, with a minimum of 11.2 °C and a maximum of 39.7 °C. During this period there were 31 summer days, 22 hot days, and 5 tropical nights, where the temperature did not fall below 20 °C. Compared to the last 365 days, today's maximum temperature ranked 26th and the mean temperature ranked 23rd.

For the current season, today's maximum of 34.4 °C is notable but not among the very highest. The hottest day in August for all years on record was August 21, 1943, with 38.7 °C. Table 1 lists the top 5 hottest August days, which include August 21, 1943 (38.7 °C), August 13, 2003 (38.6 °C), August 19, 1943 (38.4 °C), August 14, 2026 (38.1 °C), and August 4, 2026 (37.8 °C). Today's maximum temperature of 34.4 °C ranks 70th among all August days on record, while the mean temperature ranks 51st.


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
2026-08-14 38.1
2026-08-04 37.8

Figure 1: Min, Max and Average Temperatures [°C] in August

Figure 2: Incremental Number of Heat-Days (≥ 30 °C)

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.