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LakeQuality
A wave breaking on the cobble beach of Lake Superior at Duluth, Minnesota, with a wooded headland beyond

Pleasant Lake Water Temperature

Pleasant Lake in Stearns County, Minnesota typically sits around 63°F at the surface in September — warmest in Aug (~69°F) and coldest in May (~53°F). That is a typical value for the month, not a live reading.

Typical in September
63°F
Cool
Summer average
66°F
Warmest (Aug)
69°F
Coldest (May)
53°F

Typical water temperature by month

Jan
Feb
Mar
Apr
53°
May
62°
Jun
67°
Jul
69°
Aug
63°
Sep
Oct
Nov
Dec

Column height runs from this lake’s coldest month (53°F) to its warmest (69°F).

Typical surface water temperature by month, from 57 field readings (2019–2019) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Pleasant Lake warm enough to swim?

At its summer peak (~66°F): Cool

Brisk but swimmable for short dips — most people acclimate after the first few minutes.

Want more than temperature? Pleasant Lake water quality: clarity, algae, phosphorus, depth, fish species, and current advisories, all on one page.

Where to stay near Pleasant Lake

Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Pleasant 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 Pleasant 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 Pleasant Lake?

Pleasant Lake typically sits around 63°F at the surface in September, from 57 EPA Water Quality Portal field readings (2019–2019). That is a typical value for the month, not a live reading.

When is Pleasant Lake warmest?

Surface water at Pleasant Lake is typically warmest in August, reaching about 69°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 Pleasant Lake warm enough to swim?

At its typical summer peak of about 66°F, Pleasant Lake rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.

Where does this Pleasant 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 — 57 readings from 1 monitoring station between 2019 and 2019. 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.