Lake Conway @ Daetwyler Weir Water Temperature
Lake Conway @ Daetwyler Weir in Orange County, Florida averages about 78°F at the surface in summer — warmest in Sep (~79°F) and coldest in Dec (~66°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 20 field readings (2017–2025) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Lake Conway @ Daetwyler Weir warm enough to swim?
Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Want more than temperature? Lake Conway @ Daetwyler Weir scored D on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
Water temperatures at nearby Florida lakes
Summer average ~86°F
Summer average ~86°F
Summer average ~87°F
Summer average ~86°F
Summer average ~87°F
Summer average ~87°F
Explore water temperatures
Where to stay near Lake Conway @ Daetwyler Weir
Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Lake Conway @ Daetwyler Weir — live availability and prices. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Frequently asked questions
What is the water temperature of Lake Conway @ Daetwyler Weir?
Lake Conway @ Daetwyler Weir has a typical summer surface temperature of about 78°F. It is usually warmest in September (around 79°F) and coldest in December (around 66°F). These are typical values by month from 20 EPA Water Quality Portal field readings (2017–2025), not a live reading.
When is Lake Conway @ Daetwyler Weir warmest?
Surface water at Lake Conway @ Daetwyler Weir is typically warmest in September, reaching about 79°F. Lake surface temperature lags air temperature by several weeks, so the warmest water usually arrives in mid-to-late summer even though the hottest air can come earlier.
Is Lake Conway @ Daetwyler Weir warm enough to swim?
At its typical summer peak of about 78°F, Lake Conway @ Daetwyler Weir rates as "comfortable" for swimming. Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Where does this Lake Conway @ Daetwyler Weir water temperature data come from?
Every temperature on this page is a typical (climatological) value computed from real surface-water field readings collected by state and federal agencies and published through the EPA Water Quality Portal — 20 readings from 1 monitoring station between 2017 and 2025. They describe what is typical for each month, not the temperature right now.
About this data
Water temperatures are a climatology — the typical value for each month, averaged from real surface-water field readings collected by state and federal agencies and published through the EPA Water Quality Portal. They tell you what to expect, not the temperature at this moment. Actual conditions vary with recent weather, depth, and time of day.