With a population of around 1,000, Mern sits in Zealand, Denmark. The city operates in the Europe/Copenhagen time zone.
In 2025, Mern recorded an average annual temperature of 50°F. The hottest temperatures reached 91°F in July; the coolest were 16°F in February. Total precipitation for the year was 25 inches, with the wettest month being July. Snowfall for the year totaled approximately 3 inches.
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