Sapokesick Lake Water Temperature
Sapokesick Lake in Menominee County, Wisconsin typically sits around 74°F at the surface in September — warmest in Jul (~77°F) and coldest in Feb (~38°F). That is a typical value for the month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 162 field readings (2024–2026) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Sapokesick Lake warm enough to swim?
Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Want more than temperature? Sapokesick Lake scored NR on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
Water temperatures at nearby Wisconsin lakes
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Where to stay near Sapokesick Lake
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Frequently asked questions
What is the water temperature of Sapokesick Lake?
Sapokesick Lake typically sits around 74°F at the surface in September, from 162 EPA Water Quality Portal field readings (2024–2026). That is a typical value for the month, not a live reading.
When is Sapokesick Lake warmest?
Surface water at Sapokesick Lake is typically warmest in July, reaching about 77°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 Sapokesick Lake warm enough to swim?
At its typical summer peak of about 74°F, Sapokesick Lake rates as "comfortable" for swimming. Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Where does this Sapokesick 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 — 162 readings from 5 monitoring stations 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.