Dillon ReservoirWater Level & Temperature
Dillon Reservoir water level & water temperature
Dillon Reservoir water level is updated continuously from the operating agency. Full pool elevation is 9017 ft. Live reading, 7-day trend, and multi-year history appear below as the data loads.
Dillon Reservoir water temperature by month
Dillon Reservoir surface water temperature averages from about 35°F in March to 62°F in July over the year, based on a 40-year USGS model (1980–2020). Cold-water caution applies in roughly half the year, when the typical temperature is below 60°F.
Jan
35°
Feb
35°
Mar
35°
Apr
35°
May
43°
Jun
54°
Jul
62°
Aug
62°
Sep
57°
Oct
49°
Nov
42°
Dec
37°
Typical surface temperatures (°F), modeled historical averages (USGS 185k-lake dataset, 1980–2020). Colors flag cold-water risk: blue/amber/red = cool, caution, danger. Live and recent readings appear above where a sensor is available.