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

Little Gabbro Lake Water Temperature

Little Gabbro Lake in Lake County, Minnesota typically sits around 45°F at the surface in October — warmest in Jul (~70°F) and coldest in Oct (~45°F). That is a typical value for the month, not a live reading.

Typical in October
45°F
Very cold
Summer average
67°F
Warmest (Jul)
70°F
Coldest (Oct)
45°F

Typical water temperature by month

Jan
Feb
Mar
Apr
May
61°
Jun
64°
Jul
70°
Aug
Sep
Oct
45°
Nov
Dec

Typical surface water temperature by month, from 29 field readings (20112011) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Little Gabbro Lake warm enough to swim?

At its summer peak (~67°F): Cool

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

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

Where to stay near Little Gabbro Lake

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

Prices for Sep 4–6, 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 Little Gabbro Lake?

Little Gabbro Lake typically sits around 45°F at the surface in October, from 29 EPA Water Quality Portal field readings (2011–2011). That is a typical value for the month, not a live reading.

When is Little Gabbro Lake warmest?

Surface water at Little Gabbro Lake is typically warmest in July, reaching about 70°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 Little Gabbro Lake warm enough to swim?

At its typical summer peak of about 67°F, Little Gabbro Lake rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.

Where does this Little Gabbro 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 — 29 readings from 1 monitoring station between 2011 and 2011. 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.