Kustavi
Municipality in Southwest Finland, Finland
From Wikipedia, the free encyclopedia
Kustavi (Finnish pronunciation: [ˈkustɑʋi]; Swedish: Gustavs) is a municipality of Finland. It is in the province of Western Finland and is part of the Southwest Finland region. The municipality has a population of 965 (30 June 2025),[3] which makes it the smallest municipality in southwest Finland in terms of population. It covers an area of 770.15 square kilometres (297.36 sq mi) of which 603.45 km2 (232.99 sq mi) is water.[2] The population density is 5.82 per square kilometre (15.1/sq mi).
Kustavi
Gustavs | |
|---|---|
Municipality | |
| Kustavin kunta Gustavs kommun | |
The Isokari Lighthouse in Kustavi | |
 Coat of arms | |
 Location of Kustavi in Finland | |
| Coordinates: 60°32.8′N 021°21.5′E | |
| Country |  Finland |
| Region | Southwest Finland |
| Sub-region | Vakka-Suomi |
| Charter | 1874 |
| Named for | Gustav III[1] |
| Government | |
| • Municipal manager | Veijo Katara |
| Area (2018-01-01)[2] | |
• Total | 770.15 km2 (297.36 sq mi) |
| • Land | 165.84 km2 (64.03 sq mi) |
| • Water | 603.45 km2 (232.99 sq mi) |
| • Rank | 273rd largest in Finland |
| Population (2025-06-30)[3] | |
• Total | 965 |
| • Rank | 296th largest in Finland |
| • Density | 5.82/km2 (15.1/sq mi) |
| Population by native language | |
| • Finnish | 93% (official) |
| • Swedish | 1.9% |
| • Others | 5.2% |
| Population by age | |
| • 0 to 14 | 9% |
| • 15 to 64 | 51.8% |
| • 65 or older | 39.2% |
| Time zone | UTC+02:00 (EET) |
| • Summer (DST) | UTC+03:00 (EEST) |
| Website | kustavi |
There are over 2,000 isles within the municipal area. The municipality is a very popular summer resort and contains over 2,800 summer cottages. The population increases tenfold during the summer months. The larger events are Volter Kilpi literature week in July and Salmon market (Lohimarkkinat) in August. The basic services in the municipality include three groceries, a liquor store, a library and a bank. There are two ferry connections to Brändö and Iniö.
The municipality is unilingually Finnish even though it is located adjacent to the Swedish speaking Åland-region. The municipality is named after King Gustav III of Sweden.[1]
Climate
| Climate data for Kustavi Isokari (1991–2020 normals, extremes 1995– present) | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Month | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
| Record high °C (°F) | 7.9 (46.2) |
6.5 (43.7) |
9.2 (48.6) |
17.9 (64.2) |
26.1 (79.0) |
28.2 (82.8) |
29.0 (84.2) |
28.0 (82.4) |
25.5 (77.9) |
16.6 (61.9) |
12.6 (54.7) |
9.3 (48.7) |
29.0 (84.2) |
| Daily mean °C (°F) | −1.5 (29.3) |
−2.9 (26.8) |
−0.7 (30.7) |
2.8 (37.0) |
7.7 (45.9) |
12.7 (54.9) |
16.8 (62.2) |
16.9 (62.4) |
12.9 (55.2) |
7.8 (46.0) |
3.6 (38.5) |
0.9 (33.6) |
6.4 (43.5) |
| Record low °C (°F) | −24.9 (−12.8) |
−22.3 (−8.1) |
−18.4 (−1.1) |
−10.1 (13.8) |
−1.3 (29.7) |
4.1 (39.4) |
9.6 (49.3) |
5.9 (42.6) |
4.1 (39.4) |
−4.0 (24.8) |
−11.7 (10.9) |
−21.0 (−5.8) |
−24.9 (−12.8) |
| Source 1: FMI climatological normals for Finland 1991–2020[5] | |||||||||||||
| Source 2: Record highs and lows 1995–present[6] | |||||||||||||
