Mt Carmel Dam Lake Water Temperature
Mt Carmel Dam Lake in Cavalier County, North Dakota averages about 66°F at the surface in summer — warmest in Jul (~68°F) and coldest in Oct (~43°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 20 field readings (2020–2025) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Mt Carmel Dam Lake warm enough to swim?
Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Want more than temperature? Mt Carmel Dam Lake scored B on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
Water temperatures at nearby North Dakota lakes
Summer average ~66°F
Summer average ~67°F
Summer average ~59°F
Summer average ~68°F
Summer average ~70°F
Summer average ~67°F
Explore water temperatures
Where to stay near Mt Carmel Dam Lake
Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Mt Carmel Dam Lake — live availability and prices.
Top-rated places to stay near Mt Carmel Dam 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 Mt Carmel Dam Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Mt Carmel Dam Lake — straight to your inbox. No spam, unsubscribe anytime.
Frequently asked questions
What is the water temperature of Mt Carmel Dam Lake?
Mt Carmel Dam Lake has a typical summer surface temperature of about 66°F. It is usually warmest in July (around 68°F) and coldest in October (around 43°F). These are typical values by month from 20 EPA Water Quality Portal field readings (2020–2025), not a live reading.
When is Mt Carmel Dam Lake warmest?
Surface water at Mt Carmel Dam Lake is typically warmest in July, reaching about 68°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 Mt Carmel Dam Lake warm enough to swim?
At its typical summer peak of about 66°F, Mt Carmel Dam Lake rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Where does this Mt Carmel Dam 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 — 20 readings from 1 monitoring station between 2020 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.