Lake Mendota vs Lake Michigan
Lake Mendota is the warmer swim right now at about 19.3°C. They are roughly 181 km apart in United States.
Lake Mendota
Wisconsin
19.3°C
mild · modelled estimate
- October average
- 19.3°C
- Warmest month
- August · 25.0°C
- Coldest month
- 2.0°C
- Swim season
- June–October
Lake Mendota in Wisconsin, United States warms into the mid-20s °C for reliable summer swimming, and freezes or near-freezes in winter.
Lake Michigan
Great Lakes
17.0°C
mild · modelled estimate
- October average
- 17.0°C
- Warmest month
- August · 22.0°C
- Coldest month
- 2.0°C
- Swim season
- July–September
Great Lake with sandy swim beaches from Chicago to Sleeping Bear Dunes.
Month by month
| Lake | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lake Mendota | 3.5°C | 2.0°C | 3.5°C | 7.8°C | 13.5°C | 19.3°C | 23.5°C | 25.0°C | 23.5°C | 19.3°C | 13.5°C | 7.8°C |
| Lake Michigan | 3.3°C | 2.0°C | 3.3°C | 7.0°C | 12.0°C | 17.0°C | 20.7°C | 22.0°C | 20.7°C | 17.0°C | 12.0°C | 7.0°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.
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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