North Lemmon Lake Water Temperature
North Lemmon Lake in Adams County, North Dakota averages about 62°F at the surface in summer — warmest in Aug (~63°F) and coldest in Oct (~47°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 (2023–2023) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is North Lemmon Lake warm enough to swim?
Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Want more than temperature? North Lemmon 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 ~63°F
Summer average ~72°F
Summer average ~59°F
Summer average ~67°F
Summer average ~66°F
Summer average ~67°F
Explore water temperatures
Where to stay near North Lemmon Lake
Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near North Lemmon Lake — live availability and prices.
Top-rated places to stay near North Lemmon 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 North Lemmon Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near North Lemmon Lake — straight to your inbox. No spam, unsubscribe anytime.
Frequently asked questions
What is the water temperature of North Lemmon Lake?
North Lemmon Lake has a typical summer surface temperature of about 62°F. It is usually warmest in August (around 63°F) and coldest in October (around 47°F). These are typical values by month from 12 EPA Water Quality Portal field readings (2023–2023), not a live reading.
When is North Lemmon Lake warmest?
Surface water at North Lemmon Lake is typically warmest in August, reaching about 63°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 North Lemmon Lake warm enough to swim?
At its typical summer peak of about 62°F, North Lemmon Lake rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Where does this North Lemmon 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 1 monitoring station between 2023 and 2023. 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.