Lake Erie vs Lake Simcoe
Lake Erie is the warmer swim right now at about 18.5°C. They are roughly 287 km apart in United States and Canada.
Lake Erie
Great Lakes
18.5°C
mild · modelled estimate
- October average
- 18.5°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 Simcoe
Ontario
17.5°C
mild · modelled estimate
- October average
- 17.5°C
- Warmest month
- August · 23.0°C
- Coldest month
- 1.0°C
- Swim season
- July–September
Ontario cottage-country lake with wide sandy swim beaches.
Month by month
| Lake | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Erie | 3.5°C | 2.0°C | 3.5°C | 7.5°C | 13.0°C | 18.5°C | 22.5°C | 24.0°C | 22.5°C | 18.5°C | 13.0°C | 7.5°C |
| Lake Simcoe | 2.5°C | 1.0°C | 2.5°C | 6.5°C | 12.0°C | 17.5°C | 21.5°C | 23.0°C | 21.5°C | 17.5°C | 12.0°C | 6.5°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.
Related lake comparisons
Want a different mix? Compare up to four lakes side by side or browse all lake water temperatures.
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