Cultus Lake vs Lake Union

Lake Union is the warmer swim right now at about 21.9°C. They are roughly 159 km apart in Canada and United States.

Cultus Lake

British Columbia

21.7°C

warm · modelled estimate

September average
21.7°C
Warmest month
August · 23.0°C
Coldest month
4.0°C
Swim season
June–October

Cultus Lake in British Columbia, Canada reaches comfortable swimming temperatures in July and August, and drops close to single digits in winter.

Lake Union

Washington

21.9°C

warm · modelled estimate

September average
21.9°C
Warmest month
August · 23.0°C
Coldest month
7.0°C
Swim season
June–October

Lake Union in Washington, United States reaches comfortable swimming temperatures in July and August, and drops close to single digits in winter.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Cultus 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
Lake Union8.1°C7.0°C8.1°C11.0°C15.0°C19.0°C21.9°C23.0°C21.9°C19.0°C15.0°C11.0°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.

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