Kootenay Lake vs Moraine Lake

Kootenay Lake is the warmer swim right now at about 16.5°C. They are roughly 187 km apart in Canada.

Kootenay Lake

British Columbia

16.5°C

mild · modelled estimate

October average
16.5°C
Warmest month
August · 21.0°C
Coldest month
3.0°C
Swim season
July–September

Kootenay Lake in British Columbia, Canada is swimmable in high summer, brisk either side of it, and drops close to single digits in winter.

Moraine Lake

Alberta

6.3°C

cold · modelled estimate

October average
6.3°C
Warmest month
August · 8.0°C
Coldest month
1.0°C
Swim season
no month averages above 18°C — a wetsuit lake year-round

Moraine Lake in Alberta, Canada stays cold all year; expect a wetsuit or a very quick dip, and freezes or near-freezes in winter.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Kootenay Lake4.2°C3.0°C4.2°C7.5°C12.0°C16.5°C19.8°C21.0°C19.8°C16.5°C12.0°C7.5°C
Moraine Lake1.5°C1.0°C1.5°C2.8°C4.5°C6.3°C7.5°C8.0°C7.5°C6.3°C4.5°C2.8°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.

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