Lac de Madine vs Lake Bostalsee

Lac de Madine is the warmer swim right now at about 18.3°C. They are roughly 116 km apart in France and Germany.

Lac de Madine

Grand Est

18.3°C

mild · modelled estimate

October average
18.3°C
Warmest month
August · 23.0°C
Coldest month
4.0°C
Swim season
June–October

Lac de Madine in Grand Est, France reaches comfortable swimming temperatures in July and August, 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 Madine5.3°C4.0°C5.3°C8.8°C13.5°C18.3°C21.7°C23.0°C21.7°C18.3°C13.5°C8.8°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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