Dillon Reservoir vs Flaming Gorge Reservoir

Flaming Gorge Reservoir is the warmer swim right now at about 20.7°C. They are roughly 340 km apart in United States.

Dillon Reservoir

Colorado

14.1°C

cool · modelled estimate

September average
14.1°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.

Flaming Gorge Reservoir

Utah / Wyoming

20.7°C

warm · modelled estimate

September average
20.7°C
Warmest month
August · 22.0°C
Coldest month
3.0°C
Swim season
July–September

Flaming Gorge Reservoir in Utah / Wyoming, United States reaches comfortable swimming temperatures in July and August, and drops close to single digits in winter.

Month by month

LakeJanFebMarAprMayJunJulAugSepOctNovDec
Dillon Reservoir2.9°C2.0°C2.9°C5.3°C8.5°C11.8°C14.1°C15.0°C14.1°C11.8°C8.5°C5.3°C
Flaming Gorge Reservoir4.3°C3.0°C4.3°C7.8°C12.5°C17.3°C20.7°C22.0°C20.7°C17.3°C12.5°C7.8°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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