With a population of around 23,000, Dillenburg sits in Hesse, Germany. The city operates in the Central European time zone.
In 2025, Dillenburg recorded an average annual temperature of 51°F. The hottest temperatures reached 96°F in July; the coolest were 13°F in January. Total precipitation for the year was 27 inches, with the wettest month being January. Snowfall for the year totaled approximately 5 inches.
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