With a population of around 24,000, Grimstad sits in Agder, Norway. The city operates in the Europe/Oslo time zone.
In 2025, Grimstad recorded an average annual temperature of 48°F. The hottest temperatures reached 81°F in July; the coolest were 8°F in February. Total precipitation for the year was 61 inches, with the wettest month being September. Snowfall for the year totaled approximately 16 inches.
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