School Section Lake Water Temperature
School Section Lake in Waupaca County, Wisconsin averages about 75°F at the surface in summer — warmest in Jul (~76°F) and coldest in May (~56°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 9 field readings (2024–2026) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is School Section Lake warm enough to swim?
Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Want more than temperature? School Section Lake scored C on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
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Frequently asked questions
What is the water temperature of School Section Lake?
School Section Lake has a typical summer surface temperature of about 75°F. It is usually warmest in July (around 76°F) and coldest in May (around 56°F). These are typical values by month from 9 EPA Water Quality Portal field readings (2024–2026), not a live reading.
When is School Section Lake warmest?
Surface water at School Section Lake is typically warmest in July, reaching about 76°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 School Section Lake warm enough to swim?
At its typical summer peak of about 75°F, School Section Lake rates as "comfortable" for swimming. Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Where does this School Section 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 — 9 readings from 1 monitoring station between 2024 and 2026. 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.