Little Lac Courte Oreilles Lake Water Temperature
Little Lac Courte Oreilles Lake in Sawyer County, Wisconsin averages about 69°F at the surface in summer — warmest in Aug (~72°F) and coldest in Jun (~66°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 12 field readings (2024–2024) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Little Lac Courte Oreilles Lake warm enough to swim?
Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Want more than temperature? Little Lac Courte Oreilles Lake scored B on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
Water temperatures at nearby Wisconsin lakes
Summer average ~72°F
Summer average ~73°F
Summer average ~73°F
Summer average ~76°F
Summer average ~76°F
Summer average ~75°F
Explore water temperatures
Where to stay near Little Lac Courte Oreilles Lake
Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Little Lac Courte Oreilles Lake — live availability and prices.
Top-rated places to stay near Little Lac Courte Oreilles Lake
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 Lac Courte Oreilles Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Little Lac Courte Oreilles Lake — straight to your inbox. No spam, unsubscribe anytime.
Frequently asked questions
What is the water temperature of Little Lac Courte Oreilles Lake?
Little Lac Courte Oreilles Lake has a typical summer surface temperature of about 69°F. It is usually warmest in August (around 72°F) and coldest in June (around 66°F). These are typical values by month from 12 EPA Water Quality Portal field readings (2024–2024), not a live reading.
When is Little Lac Courte Oreilles Lake warmest?
Surface water at Little Lac Courte Oreilles Lake is typically warmest in August, reaching about 72°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 Lac Courte Oreilles Lake warm enough to swim?
At its typical summer peak of about 69°F, Little Lac Courte Oreilles Lake rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Where does this Little Lac Courte Oreilles 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 — 12 readings from 2 monitoring stations between 2024 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.