Lake Erie vs Lake St. Clair

Both lakes are sitting at about the same temperature right now. They are roughly 124 km apart in United States.

Lake Erie

Great Lakes

22.5°C

warm · modelled estimate

September average
22.5°C
Warmest month
August · 24.0°C
Coldest month
2.0°C
Swim season
June–October

The shallowest Great Lake, and the warmest for swimming by mid-summer.

Lake St. Clair

Michigan

22.5°C

warm · modelled estimate

September average
22.5°C
Warmest month
August · 24.0°C
Coldest month
1.0°C
Swim season
June–October

Lake St. Clair in Michigan, United States reaches comfortable swimming temperatures in July and August, and freezes or near-freezes in winter.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Lake Erie3.5°C2.0°C3.5°C7.5°C13.0°C18.5°C22.5°C24.0°C22.5°C18.5°C13.0°C7.5°C
Lake St. Clair2.5°C1.0°C2.5°C6.8°C12.5°C18.3°C22.5°C24.0°C22.5°C18.3°C12.5°C6.8°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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