Lake Lugano vs Lake Sils

Lake Lugano is the warmer swim right now at about 23.9°C. They are roughly 77 km apart in Switzerland.

Lake Lugano

Ticino

23.9°C

warm · modelled estimate

September average
23.9°C
Warmest month
August · 25.0°C
Coldest month
8.0°C
Swim season
June–October

Sub-Mediterranean Swiss lake — the warmest big lake in Switzerland.

Lake Sils

Graubunden

14.1°C

cool · modelled estimate

September average
14.1°C
Warmest month
August · 15.0°C
Coldest month
2.0°C
Swim season
no month averages above 18°C — a wetsuit lake year-round

Lake Sils in Graubunden, Switzerland stays cold all year; expect a wetsuit or a very quick dip, and freezes or near-freezes in winter.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Lake Lugano9.1°C8.0°C9.1°C12.3°C16.5°C20.8°C23.9°C25.0°C23.9°C20.8°C16.5°C12.3°C
Lake Sils2.9°C2.0°C2.9°C5.3°C8.5°C11.8°C14.1°C15.0°C14.1°C11.8°C8.5°C5.3°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.

Related lake comparisons

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

Jump straight to a country, coastal region, city, seasonal ranking or comparison.