Skip to main content
LakeQuality

Middle Mcdougal Lake Water Temperature

Middle Mcdougal Lake in Lake County, Minnesota averages about 67°F at the surface in summer — warmest in Jul (~70°F) and coldest in Jun (~60°F). These are typical values by month, not a live reading.

Typical in July
70°F
Comfortable
Summer average
67°F
Warmest (Jul)
70°F
Coldest (Jun)
60°F

Typical water temperature by month

Jan
Feb
Mar
Apr
May
65°
Jun
60°
Jul
70°
Aug
70°
Sep
69°
Oct
Nov
Dec

Typical surface water temperature by month, from 10 field readings (20252025) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Middle Mcdougal 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? Middle Mcdougal Lake scored B on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.

Where to stay near Middle Mcdougal Lake

Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Middle Mcdougal Lake — live availability and prices.

Top-rated places to stay near Middle Mcdougal 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 Middle Mcdougal Lake?

Get lake water-quality report cards plus the best cabin & lodging deals near Middle Mcdougal Lake — straight to your inbox. No spam, unsubscribe anytime.

Frequently asked questions

What is the water temperature of Middle Mcdougal Lake?

Middle Mcdougal Lake has a typical summer surface temperature of about 67°F. It is usually warmest in July (around 70°F) and coldest in June (around 60°F). These are typical values by month from 10 EPA Water Quality Portal field readings (2025–2025), not a live reading.

When is Middle Mcdougal Lake warmest?

Surface water at Middle Mcdougal 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 Middle Mcdougal Lake warm enough to swim?

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

Where does this Middle Mcdougal 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 — 10 readings from 1 monitoring station between 2025 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.