Mccarron Lake Water Temperature
Mccarron Lake in Ramsey County, Minnesota typically sits around 51°F at the surface in October — warmest in Aug (~58°F) and coldest in Mar (~40°F). That is a typical value for the month, not a live reading.
Typical water temperature by month
Column height runs from this lake’s coldest month (40°F) to its warmest (58°F).
Typical surface water temperature by month, from 1,565 field readings (2010–2025) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Mccarron Lake warm enough to swim?
Wetsuit territory. Brief exposure is tolerable but prolonged swimming without protection risks hypothermia.
Want more than temperature? Mccarron Lake water quality: clarity, algae, phosphorus, depth, fish species, and current advisories, all on one page.
Water temperatures at nearby Minnesota lakes
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Where to stay near Mccarron Lake
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Frequently asked questions
What is the water temperature of Mccarron Lake?
Mccarron Lake typically sits around 51°F at the surface in October, from 1,565 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.
When is Mccarron Lake warmest?
Surface water at Mccarron Lake is typically warmest in August, reaching about 58°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 Mccarron Lake warm enough to swim?
At its typical summer peak of about 56°F, Mccarron Lake rates as "cold" for swimming. Wetsuit territory. Brief exposure is tolerable but prolonged swimming without protection risks hypothermia.
Where does this Mccarron 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 — 1,565 readings from 1 monitoring station 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.