Lake Desor Water Temperature
Lake Desor in Keweenaw County, Michigan averages about 62°F at the surface in summer — warmest in Sep (~66°F) and coldest in May (~45°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 989 field readings (2010–2024) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Lake Desor warm enough to swim?
Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Want more than temperature? Lake Desor scored B on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
Water temperatures at nearby Michigan lakes
Summer average ~52°F
Summer average ~71°F
Summer average ~69°F
Summer average ~68°F
Summer average ~69°F
Summer average ~64°F
Explore water temperatures
Where to stay near Lake Desor
Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Lake Desor — live availability and prices.
Top-rated places to stay near Lake Desor
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 Lake Desor?
Get lake water-quality report cards plus the best cabin & lodging deals near Lake Desor — straight to your inbox. No spam, unsubscribe anytime.
Frequently asked questions
What is the water temperature of Lake Desor?
Lake Desor has a typical summer surface temperature of about 62°F. It is usually warmest in September (around 66°F) and coldest in May (around 45°F). These are typical values by month from 989 EPA Water Quality Portal field readings (2010–2024), not a live reading.
When is Lake Desor warmest?
Surface water at Lake Desor is typically warmest in September, reaching about 66°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 Lake Desor warm enough to swim?
At its typical summer peak of about 62°F, Lake Desor rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Where does this Lake Desor 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 — 989 readings from 3 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.