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Lauttasaari Weather in October
Lauttasaari, Helsinki, Finland
About Lauttasaari in October
Lauttasaari's island geography means it is surrounded by open water on nearly all sides, resulting in a distinctly maritime microclimate with delayed spring warming, milder autumn temperatures, and persistent sea fog in late spring. The island's relatively low-rise residential fabric allows sea breezes to penetrate deeply, reducing summer heat island effects significantly compared to the mainland core.
For detailed monthly temperature and rainfall data for Helsinki in October, see the Helsinki October weather guide.