Castle Rock Lake vs Green Lake
Castle Rock Lake is the warmer swim right now at about 19.3°C. They are roughly 79 km apart in United States.
Castle Rock Lake
Wisconsin
mild · modelled estimate
- October average
- 19.3°C
- Warmest month
- August · 25.0°C
- Coldest month
- 2.0°C
- Swim season
- June–October
Castle Rock Lake in Wisconsin, United States warms into the mid-20s °C for reliable summer swimming, and freezes or near-freezes in winter.
Green Lake
Wisconsin
mild · modelled estimate
- October average
- 17.8°C
- Warmest month
- August · 23.0°C
- Coldest month
- 2.0°C
- Swim season
- July–September
Green Lake in Wisconsin, United States reaches comfortable swimming temperatures in July and August, and freezes or near-freezes in winter.
Month by month
| Lake | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Castle Rock Lake | 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 |
| Green Lake | 3.4°C | 2.0°C | 3.4°C | 7.3°C | 12.5°C | 17.8°C | 21.6°C | 23.0°C | 21.6°C | 17.8°C | 12.5°C | 7.3°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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