With a population of around 34,700, Rheinfelden sits in Baden-Wurttemberg, Germany. The city operates in the Central European time zone.
In 2025, Rheinfelden recorded an average annual temperature of 52°F. The hottest temperatures reached 95°F in June; the coolest were 22°F in January. Total precipitation for the year was 54 inches, with the wettest month being October. Snowfall for the year totaled approximately 3 inches.
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