Lac de Butgenbach vs Lake Bostalsee

Lake Bostalsee is the warmer swim right now at about 18°C. They are roughly 113 km apart in Belgium and Germany.

Lac de Butgenbach

Liege

16.8°C

mild · modelled estimate

October average
16.8°C
Warmest month
August · 21.0°C
Coldest month
4.0°C
Swim season
July–September

Lac de Butgenbach in Liege, Belgium is swimmable in high summer, brisk either side of it, and drops close to single digits in winter.

Lake Bostalsee

Saarland

18.0°C

mild · modelled estimate

October average
18.0°C
Warmest month
August · 23.0°C
Coldest month
3.0°C
Swim season
June–October

Lake Bostalsee in Saarland, Germany reaches comfortable swimming temperatures in July and August, and drops close to single digits in winter.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Lac de Butgenbach5.1°C4.0°C5.1°C8.3°C12.5°C16.8°C19.9°C21.0°C19.9°C16.8°C12.5°C8.3°C
Lake Bostalsee4.3°C3.0°C4.3°C8.0°C13.0°C18.0°C21.7°C23.0°C21.7°C18.0°C13.0°C8.0°C

Monthly values are modelled from each lake's long-term winter and summer envelope, then refined with today's forecast air temperature for the headline reading.

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