Lake Brienz vs Lake Thun

Lake Thun is the warmer swim right now at about 17°C. They are roughly 22 km apart in Switzerland.

Lake Brienz

Bern

14.0°C

cool · modelled estimate

October average
14.0°C
Warmest month
August · 17.0°C
Coldest month
5.0°C
Swim season
no month averages above 18°C — a wetsuit lake year-round

Lake Brienz in Bern, Switzerland stays cool even at its August peak — a short-swim lake, and drops close to single digits in winter.

Lake Thun

Bernese Oberland

17.0°C

mild · modelled estimate

October average
17.0°C
Warmest month
August · 21.0°C
Coldest month
5.0°C
Swim season
July–September

Turquoise Bernese Oberland lake below the Eiger, with grassy swim lidos.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Lake Brienz5.8°C5.0°C5.8°C8.0°C11.0°C14.0°C16.2°C17.0°C16.2°C14.0°C11.0°C8.0°C
Lake Thun6.1°C5.0°C6.1°C9.0°C13.0°C17.0°C19.9°C21.0°C19.9°C17.0°C13.0°C9.0°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.

Want a different mix? Compare up to four lakes side by side or browse all lake water temperatures.

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