Little Jay Gould Lake Water Temperature
Little Jay Gould Lake in Itasca County, Minnesota averages about 59°F at the surface in summer — warmest in Jul (~61°F) and coldest in May (~53°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 127 field readings (2022–2025) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Little Jay Gould Lake warm enough to swim?
Wetsuit territory. Brief exposure is tolerable but prolonged swimming without protection risks hypothermia.
Want more than temperature? Little Jay Gould Lake scored A 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 ~68°F
Summer average ~56°F
Summer average ~71°F
Summer average ~69°F
Summer average ~57°F
Summer average ~71°F
Explore water temperatures
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Frequently asked questions
What is the water temperature of Little Jay Gould Lake?
Little Jay Gould Lake has a typical summer surface temperature of about 59°F. It is usually warmest in July (around 61°F) and coldest in May (around 53°F). These are typical values by month from 127 EPA Water Quality Portal field readings (2022–2025), not a live reading.
When is Little Jay Gould Lake warmest?
Surface water at Little Jay Gould Lake is typically warmest in July, reaching about 61°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 Little Jay Gould Lake warm enough to swim?
At its typical summer peak of about 59°F, Little Jay Gould Lake rates as "cold" for swimming. Wetsuit territory. Brief exposure is tolerable but prolonged swimming without protection risks hypothermia.
Where does this Little Jay Gould 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 — 127 readings from 1 monitoring station between 2022 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.