Köyliönjärvi Lake
Finnish lake notable for medieval church island
Köyliönjärvi in Satakunta is a midsized Finnish lake with shoreline trails and summer cottages; the lake attracts anglers, paddlers and walkers exploring regional countryside.
Köyliönjärvi at a Glance#
Address: Köyliönjärvi, Köyliö, Satakunta, Finland (near Köyliö village)
Admission: Free (natural lake)
How to Get to Köyliönjärvi#
Köyliönjärvi is a short drive from the town of Sastamala or from Pori via regional roads; parking is available at village lots. The nearest larger transport hub is Pori-regional buses serve smaller towns, but a car makes the last leg far easier.
Tips for Visiting Köyliönjärvi#
- The area has folklore connected to local battles and gatherings - stop by a local museum in Köyliö for context.
- There is a memorial to the 12th-century Battle of Köyliö nearby - combine the lake visit with that site if interested in history.
- Parking is limited; use village car parks and follow the footpaths to the quieter shores.
Best Time to Visit Köyliönjärvi#
Summer for water activities; winter for ice sports when frozen solid. Shoulder seasons offer quieter walks and good light.
Weather & Climate near Köyliönjärvi#
Köyliönjärvi's climate is classified as Warm-Summer Continental - Warm-Summer Continental climate with mild summers (peaking in July) and freezing winters (coldest in February). Temperatures range from -10°C to 21°C. Moderate rainfall (591 mm/year).
| Month | Comfort | Temp | Feels | Rain | Sky | Humidity | Wind | UV | Daylight |
|---|---|---|---|---|---|---|---|---|---|
| January | Poor | -9° - -2° | -10° | 42 mm | overcast | 98% | 3.1 m/s | 0.0 low | 6.1h |
| February | Poor | -10° - -3° | -11° | 31 mm | overcast | 97% | 3.0 m/s | 0.0 low | 8.7h |
| March | Poor | -6° - 1° | -7° | 34 mm | partly cloudy | 92% | 3.1 m/s | 0.2 low | 11.6h |
| April | Acceptable | -1° - 7° | 0° | 37 mm | partly cloudy | 82% | 3.1 m/s | 0.5 moderate | 14.5h |
| May | Good | 4° - 15° | 8° | 32 mm | partly cloudy | 77% | 3.1 m/s | 0.9 moderate | 17.2h |
| June | Very Good | 9° - 20° | 14° | 55 mm | partly cloudy | 77% | 3.0 m/s | 1.1 high | 18.9h |
| July | Good | 11° - 21° | 16° | 73 mm | partly cloudy | 79% | 2.7 m/s | 1.1 high | 18.1h |
| August | Good | 10° - 20° | 15° | 72 mm | partly cloudy | 82% | 2.6 m/s | 0.8 moderate | 15.6h |
| September | Acceptable | 6° - 14° | 8° | 57 mm | overcast | 87% | 2.9 m/s | 0.4 low | 12.7h |
| October | Poor | 2° - 8° | 2° | 58 mm | overcast | 92% | 3.1 m/s | 0.1 low | 9.8h |
| November | Poor | -2° - 3° | -3° | 55 mm | overcast | 96% | 3.2 m/s | 0.0 low | 6.9h |
| December | Poor | -7° - -1° | -8° | 45 mm | overcast | 97% | 3.1 m/s | 0.0 low | 5.1h |
