Whitefish Lake Water Temperature
Whitefish Lake in Beltrami County, Minnesota averages about 64°F at the surface in summer — warmest in Jul (~65°F) and coldest in May (~57°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 45 field readings (2025–2025) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Whitefish Lake warm enough to swim?
Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Want more than temperature? Whitefish Lake scored A 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 Whitefish Lake?
Whitefish Lake has a typical summer surface temperature of about 64°F. It is usually warmest in July (around 65°F) and coldest in May (around 57°F). These are typical values by month from 45 EPA Water Quality Portal field readings (2025–2025), not a live reading.
When is Whitefish Lake warmest?
Surface water at Whitefish Lake is typically warmest in July, reaching about 65°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 Whitefish Lake warm enough to swim?
At its typical summer peak of about 64°F, Whitefish Lake rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Where does this Whitefish 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 — 45 readings from 1 monitoring station between 2025 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.