Chatfield Reservoir vs Grand Lake
Chatfield Reservoir is the warmer swim right now at about 17.3°C. They are roughly 102 km apart in United States.
Chatfield Reservoir
Colorado
mild · modelled estimate
- October average
- 17.3°C
- Warmest month
- August · 22.0°C
- Coldest month
- 3.0°C
- Swim season
- July–September
Chatfield Reservoir in Colorado, United States reaches comfortable swimming temperatures in July and August, and drops close to single digits in winter.
Grand Lake
Colorado
cool · modelled estimate
- October average
- 14.0°C
- Warmest month
- August · 18.0°C
- Coldest month
- 2.0°C
- Swim season
- August–August
Grand Lake in Colorado, United States stays cool even at its August peak — a short-swim lake, and freezes or near-freezes in winter.
Month by month
| Lake | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chatfield Reservoir | 4.3°C | 3.0°C | 4.3°C | 7.8°C | 12.5°C | 17.3°C | 20.7°C | 22.0°C | 20.7°C | 17.3°C | 12.5°C | 7.8°C |
| Grand Lake | 3.1°C | 2.0°C | 3.1°C | 6.0°C | 10.0°C | 14.0°C | 16.9°C | 18.0°C | 16.9°C | 14.0°C | 10.0°C | 6.0°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.
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