With a population of around 3,700, Jomala sits in Alands landsbygd, AX. The city operates in the Europe/Mariehamn time zone.
In 2025, Jomala recorded an average annual temperature of 47°F. The hottest temperatures reached 85°F in July; the coolest were 16°F in January. Total precipitation for the year was 25 inches, with the wettest month being September. Snowfall for the year totaled approximately 7 inches.
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