Jussarö Island
Finnish island with abandoned quarry and fortifications
An island off Finland's Gulf of Finland, Jussarö draws day-trippers from Hanko for rocky coastlines, an abandoned ironworks, wartime bunkers and a small guest harbor. People come to hike, swim and dive around the island's clear waters.
Jussarö at a Glance#
How to Get to Jussarö#
Jussarö is reached by boat from the Hanko (Hangö) and Raseborg/Tammisaari area during the summer season; private boats and charter services also operate from regional marinas. Visitors should check local ferry timetables and seasonal schedules before planning a trip.
Tips for Visiting Jussarö#
- Take the scheduled summer ferry from Hanko (Hangö) or nearby mainland harbors-check local timetables; private boats are common.
- Bring shoes that can handle slippery concrete and broken masonry-the island is full of old quarries and ruined buildings.
- Respect closure signs: some former military zones and cellars are unstable and off-limits.
Best Time to Visit Jussarö#
Visit in summer for reliable boat connections and to see the abandoned industrial architecture at its most accessible.
Weather & Climate near Jussarö#
Continental climate with mild summers (peaking in July) and freezing winters (coldest in February). Temperatures range from -7°C to 20°C. Moderate rainfall (641 mm/year).
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Poor | -5° - 0° | -8° | 48 mm | overcast | 95% | 5.3 m/s | 0.0 low | 6.7h |
| February | Poor | -7° - -2° | -10° | 35 mm | overcast | 95% | 4.9 m/s | 0.1 low | 9.0h |
| March | Poor | -4° - 1° | -6° | 37 mm | partly cloudy | 91% | 4.4 m/s | 0.2 low | 11.6h |
| April | Acceptable | 0° - 6° | -1° | 36 mm | partly cloudy | 85% | 4.3 m/s | 0.6 moderate | 14.3h |
| May | Good | 5° - 12° | 6° | 31 mm | partly cloudy | 80% | 4.2 m/s | 1.0 high | 16.8h |
| June | Very Good | 10° - 17° | 14° | 40 mm | partly cloudy | 80% | 4.0 m/s | 1.3 high | 18.2h |
| July | Very Good | 14° - 20° | 17° | 64 mm | partly cloudy | 80% | 3.8 m/s | 1.3 high | 17.5h |
| August | Good | 13° - 19° | 16° | 75 mm | partly cloudy | 80% | 3.8 m/s | 0.9 moderate | 15.3h |
| September | Good | 9° - 14° | 12° | 67 mm | partly cloudy | 84% | 4.5 m/s | 0.4 low | 12.6h |
| October | Acceptable | 5° - 9° | 4° | 68 mm | overcast | 88% | 5.0 m/s | 0.1 low | 10.0h |
| November | Poor | 1° - 5° | -1° | 76 mm | overcast | 93% | 5.5 m/s | 0.0 low | 7.4h |
| December | Poor | -2° - 2° | -5° | 64 mm | overcast | 94% | 5.4 m/s | 0.0 low | 5.9h |
