Leo Lake Water Temperature
Leo Lake in Volusia County, Florida averages about 84°F at the surface in summer — warmest in Jul (~85°F) and coldest in Jan (~58°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 886 field readings (2010–2025) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Leo Lake warm enough to swim?
Very comfortable for swimming. Warm surface water can also favor blue-green algae in nutrient-rich lakes, so check for advisories before you go in.
Want more than temperature? Leo Lake 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 ~85°F
Summer average ~86°F
Summer average ~78°F
Summer average ~85°F
Summer average ~87°F
Summer average ~86°F
Explore water temperatures
Where to stay near Leo Lake
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Frequently asked questions
What is the water temperature of Leo Lake?
Leo Lake has a typical summer surface temperature of about 84°F. It is usually warmest in July (around 85°F) and coldest in January (around 58°F). These are typical values by month from 886 EPA Water Quality Portal field readings (2010–2025), not a live reading.
When is Leo Lake warmest?
Surface water at Leo Lake is typically warmest in July, reaching about 85°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 Leo Lake warm enough to swim?
At its typical summer peak of about 84°F, Leo Lake rates as "warm" for swimming. Very comfortable for swimming. Warm surface water can also favor blue-green algae in nutrient-rich lakes, so check for advisories before you go in.
Where does this Leo Lake 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 — 886 readings from 5 monitoring stations between 2010 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.