Little Lake Inlet Water Temperature
Little Lake Inlet in Cook County, Minnesota averages about 57°F at the surface in summer — warmest in Jul (~64°F) and coldest in Jun (~46°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 84 field readings (2010–2024) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Little Lake Inlet warm enough to swim?
Wetsuit territory. Brief exposure is tolerable but prolonged swimming without protection risks hypothermia.
Want more than temperature? Little Lake Inlet scored F 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 ~69°F
Summer average ~55°F
Summer average ~71°F
Summer average ~69°F
Summer average ~71°F
Summer average ~71°F
Explore water temperatures
Where to stay near Little Lake Inlet
Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Little Lake Inlet — live availability and prices.
Top-rated places to stay near Little Lake Inlet
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Little Lake Inlet?
Get lake water-quality report cards plus the best cabin & lodging deals near Little Lake Inlet — straight to your inbox. No spam, unsubscribe anytime.
Frequently asked questions
What is the water temperature of Little Lake Inlet?
Little Lake Inlet has a typical summer surface temperature of about 57°F. It is usually warmest in July (around 64°F) and coldest in June (around 46°F). These are typical values by month from 84 EPA Water Quality Portal field readings (2010–2024), not a live reading.
When is Little Lake Inlet warmest?
Surface water at Little Lake Inlet is typically warmest in July, reaching about 64°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 Lake Inlet warm enough to swim?
At its typical summer peak of about 57°F, Little Lake Inlet rates as "cold" for swimming. Wetsuit territory. Brief exposure is tolerable but prolonged swimming without protection risks hypothermia.
Where does this Little Lake Inlet 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 — 84 readings from 4 monitoring stations between 2010 and 2024. 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.