With a population of around 1,600, Nonnenhorn sits in Bavaria, Germany. The city operates in the Central European time zone.
In 2025, Nonnenhorn recorded an average annual temperature of 51°F. The hottest temperatures reached 92°F in June; the coolest were 19°F in December. Total precipitation for the year was 53 inches, with the wettest month being July. Snowfall for the year totaled approximately 4 inches.
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