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Suomenlinna Weather in February
Suomenlinna, Helsinki, Finland
About Suomenlinna in February
Suomenlinna's position on exposed sea fortress islands gives it Helsinki's most extreme maritime microclimate, with persistent winds averaging 1.5–2 times mainland speeds and winter wind chill regularly 5–8°C below city centre values. The surrounding open water delays ice formation and spring warming, making Suomenlinna's seasons shift noticeably later than on the mainland.
For detailed monthly temperature and rainfall data for Helsinki in February, see the Helsinki February weather guide.