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

Mt Maud Lake Beaver Dam Water Temperature

Mt Maud Lake Beaver Dam in Cook County, Minnesota typically sits around 59°F at the surface in September — warmest in Jul (~71°F) and coldest in May (~52°F). That is a typical value for the month, not a live reading.

Typical in September
59°F
Cold
Summer average
70°F
Warmest (Jul)
71°F
Coldest (May)
52°F

Typical water temperature by month

Jan
Feb
Mar
Apr
May
52°
Jun
70°
Jul
71°
Aug
70°
Sep
59°
Oct
53°
Nov
Dec

Typical surface water temperature by month, from 47 field readings (20112025) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Mt Maud Lake Beaver Dam warm enough to swim?

At its summer peak (~70°F): Comfortable

Pleasant for swimming — the range most people find enjoyable without a wetsuit.

Want more than temperature? Mt Maud Lake Beaver Dam scored NR on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.

Where to stay near Mt Maud Lake Beaver Dam

Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Mt Maud Lake Beaver Dam — 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 Mt Maud Lake Beaver Dam

Prices for Sep 4–6, 4 adults. Change dates on the map below.

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Frequently asked questions

What is the water temperature of Mt Maud Lake Beaver Dam?

Mt Maud Lake Beaver Dam typically sits around 59°F at the surface in September, from 47 EPA Water Quality Portal field readings (2011–2025). That is a typical value for the month, not a live reading.

When is Mt Maud Lake Beaver Dam warmest?

Surface water at Mt Maud Lake Beaver Dam is typically warmest in July, reaching about 71°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 Maud Lake Beaver Dam warm enough to swim?

At its typical summer peak of about 70°F, Mt Maud Lake Beaver Dam rates as "comfortable" for swimming. Pleasant for swimming — the range most people find enjoyable without a wetsuit.

Where does this Mt Maud Lake Beaver Dam 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 — 47 readings from 2 monitoring stations between 2011 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.