With a population of around 30,900, Arendal sits in Agder, Norway. The city operates in the Europe/Oslo time zone.
In 2025, Arendal recorded an average annual temperature of 49°F. The hottest temperatures reached 81°F in July; the coolest were 10°F in January. Total precipitation for the year was 55 inches, with the wettest month being September. Snowfall for the year totaled approximately 14 inches.
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