Kootenay Lake vs Okanagan Lake

Okanagan Lake is the warmer swim right now at about 18.3°C. They are roughly 194 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.

Okanagan Lake

British Columbia

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

British Columbia's warmest big lake, with beaches at Kelowna and Penticton.

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
Okanagan Lake5.3°C4.0°C5.3°C8.8°C13.5°C18.3°C21.7°C23.0°C21.7°C18.3°C13.5°C8.8°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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