Lake Louise vs Sylvan Lake

Sylvan Lake is the warmer swim right now at about 18.7°C. They are roughly 173 km apart in Canada.

Lake Louise

Alberta

8.5°C

cold · modelled estimate

September average
8.5°C
Warmest month
August · 9.0°C
Coldest month
1.0°C
Swim season
no month averages above 18°C — a wetsuit lake year-round

Glacier-fed turquoise lake in Banff — spectacular, and far too cold for most swimmers.

Sylvan Lake

Alberta

18.7°C

mild · modelled estimate

September average
18.7°C
Warmest month
August · 20.0°C
Coldest month
1.0°C
Swim season
July–September

Sylvan Lake in Alberta, Canada is swimmable in high summer, brisk either side of it, and freezes or near-freezes in winter.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Lake Louise1.5°C1.0°C1.5°C3.0°C5.0°C7.0°C8.5°C9.0°C8.5°C7.0°C5.0°C3.0°C
Sylvan Lake2.3°C1.0°C2.3°C5.8°C10.5°C15.3°C18.7°C20.0°C18.7°C15.3°C10.5°C5.8°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.