In July 2026, Basel’s outdoor pools had an average water temperature of 24.4 °C, ranging from 16 °C to 31 °C, which was about 1.3 °C warmer than July 2025. The month was also very hot, with air temperatures exceeding 25 °C every day and reaching a maximum of 39.7 °C.
Across Basel’s outdoor pools in July 2026, water temperatures ranged from 16 °C to 31 °C, with an overall average of 24.4 °C. The warmest reading was 31 °C at Bachgraben Familienbad and Bachgraben Sportbad, while the lowest was 16 °C at Eglisee Familienbad and Hallenbad Eglisee. The pools included were Bachgraben Familienbad, Bachgraben Sportbad, Eglisee Familienbad, Eglisee Frauenbad, Hallenbad Eglisee, St. Jakob Familienbad, and St. Jakob Sportbad. Outdoor air temperatures in July 2026 averaged 24.0 °C, with a maximum of 39.7 °C; all 31 days exceeded 25 °C, and 19 days exceeded 30 °C. Compared to July 2025, the overall average water temperature rose by about 1.3 °C, from 23.1 °C to 24.4 °C.
🤖 This text was generated with the assistance of AI. All quantitative statements are derived directly from the dataset listed under Data Source.