With a population of around 1,800, Untermerzbach sits in Bavaria, Germany. The city operates in the Central European time zone.
In 2025, Untermerzbach recorded an average annual temperature of 49°F. The hottest temperatures reached 94°F in July; the coolest were 16°F in November. Total precipitation for the year was 24 inches, with the wettest month being September. Snowfall for the year totaled approximately 4 inches.
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