temperaturawody.pl

Regions Algae Bans Ranking Find

PL EN UA

Polska›Kąpielisko Jezioro Klasztorne Duże›September

Water temperature Kąpielisko Jezioro Klasztorne Duże - September

Average

18.6°C

Minimum

18.3°C

Maximum

19.1°C

Averages by year

Year	Average
2026	18.6°C

temperaturawody.pl

Water temperature, sanitary assessment and cyanobacteria at bathing sites in Poland. Always with the measurement date and source - because data freshness matters.

Data: GIS (sanitary inspection), IMGW, Open-Meteo (CC BY 4.0). Sources and licences.

Site

Baltic Sea water temperature
Lake water temperature
Algae - today's status
Swimming bans
Cleanest bathing sites
Data sources
Sitemap

Legal

Contact
Privacy policy
Terms