Lake Union vs Lake Washington

Both lakes are sitting at about the same temperature right now. They are roughly 7 km apart in United States.

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.

Lake Washington

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

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
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
Lake Washington8.1°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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