Caesar Creek Lake Water Temperature
Caesar Creek Lake in Warren County, Ohio averages about 66°F at the surface in summer — warmest in Sep (~71°F) and coldest in Apr (~50°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 34 field readings (2012–2021) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Caesar Creek Lake warm enough to swim?
Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Want more than temperature? Caesar Creek Lake scored C on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
Water temperatures at nearby Ohio lakes
Summer average ~79°F
Summer average ~76°F
Summer average ~79°F
Summer average ~78°F
Summer average ~79°F
Summer average ~79°F
Explore water temperatures
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Frequently asked questions
What is the water temperature of Caesar Creek Lake?
Caesar Creek Lake has a typical summer surface temperature of about 66°F. It is usually warmest in September (around 71°F) and coldest in April (around 50°F). These are typical values by month from 34 EPA Water Quality Portal field readings (2012–2021), not a live reading.
When is Caesar Creek Lake warmest?
Surface water at Caesar Creek Lake is typically warmest in September, reaching about 71°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 Caesar Creek Lake warm enough to swim?
At its typical summer peak of about 66°F, Caesar Creek Lake rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Where does this Caesar Creek 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 — 34 readings from 2 monitoring stations between 2012 and 2021. 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.