Mitchell Lake Water Temperature
Mitchell Lake in Crow Wing County, Minnesota averages about 68°F at the surface in summer — warmest in Jul (~77°F) and coldest in Aug (~59°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 107 field readings (2021–2025) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Mitchell Lake warm enough to swim?
Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Want more than temperature? Mitchell Lake scored B on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
Water temperatures at nearby Minnesota lakes
Summer average ~72°F
Summer average ~74°F
Summer average ~75°F
Summer average ~69°F
Summer average ~71°F
Summer average ~69°F
Explore water temperatures
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Frequently asked questions
What is the water temperature of Mitchell Lake?
Mitchell Lake has a typical summer surface temperature of about 68°F. It is usually warmest in July (around 77°F) and coldest in August (around 59°F). These are typical values by month from 107 EPA Water Quality Portal field readings (2021–2025), not a live reading.
When is Mitchell Lake warmest?
Surface water at Mitchell 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 Mitchell Lake warm enough to swim?
At its typical summer peak of about 68°F, Mitchell Lake rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Where does this Mitchell 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 — 107 readings from 2 monitoring stations between 2021 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.