Dillon Reservoir vs Horsetooth Reservoir
Horsetooth Reservoir is the warmer swim right now at about 16.5°C. They are roughly 128 km apart in United States.
Dillon Reservoir
Colorado
cool · modelled estimate
- October average
- 11.8°C
- Warmest month
- August · 15.0°C
- Coldest month
- 2.0°C
- Swim season
- no month averages above 18°C — a wetsuit lake year-round
Dillon Reservoir in Colorado, United States stays cold all year; expect a wetsuit or a very quick dip, and freezes or near-freezes in winter.
Horsetooth Reservoir
Colorado
mild · modelled estimate
- October average
- 16.5°C
- Warmest month
- August · 21.0°C
- Coldest month
- 3.0°C
- Swim season
- July–September
Horsetooth Reservoir in Colorado, United States is swimmable in high summer, brisk either side of it, and drops close to single digits in winter.
Month by month
| Lake | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Dillon Reservoir | 2.9°C | 2.0°C | 2.9°C | 5.3°C | 8.5°C | 11.8°C | 14.1°C | 15.0°C | 14.1°C | 11.8°C | 8.5°C | 5.3°C |
| Horsetooth Reservoir | 4.2°C | 3.0°C | 4.2°C | 7.5°C | 12.0°C | 16.5°C | 19.8°C | 21.0°C | 19.8°C | 16.5°C | 12.0°C | 7.5°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.
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