Valentine Lake Water Temperature
Valentine Lake in Ramsey County, Minnesota typically sits around 51°F at the surface in October — warmest in Jul (~76°F) and coldest in Mar (~39°F). That is a typical value for the month, not a live reading.
Typical water temperature by month
Column height runs from this lake’s coldest month (39°F) to its warmest (76°F).
Typical surface water temperature by month, from 119 field readings (2010–2024) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Valentine Lake warm enough to swim?
Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Want more than temperature? Valentine Lake water quality: clarity, algae, phosphorus, depth, fish species, and current advisories, all on one page.
Water temperatures at nearby Minnesota lakes
Summer average ~62°F
Summer average ~77°F
Summer average ~78°F
Summer average ~62°F
Summer average ~74°F
Summer average ~67°F
Explore water temperatures
Where to stay near Valentine Lake
Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Valentine Lake — live availability and prices. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Valentine Lake
Prices for Oct 23–25, 4 adults. Change dates on the map below.
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
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Frequently asked questions
What is the water temperature of Valentine Lake?
Valentine Lake typically sits around 51°F at the surface in October, from 119 EPA Water Quality Portal field readings (2010–2024). That is a typical value for the month, not a live reading.
When is Valentine Lake warmest?
Surface water at Valentine Lake is typically warmest in July, reaching about 76°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 Valentine Lake warm enough to swim?
At its typical summer peak of about 72°F, Valentine Lake rates as "comfortable" for swimming. Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Where does this Valentine 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 — 119 readings from 2 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.