Lac Simon vs Rideau Lakes
Rideau Lakes is the warmer swim right now at about 22.5°C. They are roughly 153 km apart in Canada.
Lac Simon
Quebec
warm · modelled estimate
- September average
- 20.6°C
- Warmest month
- August · 22.0°C
- Coldest month
- 1.0°C
- Swim season
- July–September
Lac Simon in Quebec, Canada reaches comfortable swimming temperatures in July and August, and freezes or near-freezes in winter.
Rideau Lakes
Ontario
warm · modelled estimate
- September average
- 22.5°C
- Warmest month
- August · 24.0°C
- Coldest month
- 1.0°C
- Swim season
- June–October
Rideau Lakes in Ontario, Canada 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lac Simon | 2.4°C | 1.0°C | 2.4°C | 6.3°C | 11.5°C | 16.8°C | 20.6°C | 22.0°C | 20.6°C | 16.8°C | 11.5°C | 6.3°C |
| Rideau Lakes | 2.5°C | 1.0°C | 2.5°C | 6.8°C | 12.5°C | 18.3°C | 22.5°C | 24.0°C | 22.5°C | 18.3°C | 12.5°C | 6.8°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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