Skip to main content
LakeQuality

Owl Lake Water Temperature

Owl Lake in Hubbard County, Minnesota averages about 74°F at the surface in summer — warmest in Jul (~78°F) and coldest in Apr (~52°F). These are typical values by month, not a live reading.

Typical in July
78°F
Comfortable
Summer average
74°F
Warmest (Jul)
78°F
Coldest (Apr)
52°F

Typical water temperature by month

Jan
Feb
Mar
Apr
52°
May
60°
Jun
71°
Jul
78°
Aug
72°
Sep
68°
Oct
52°
Nov
Dec

Typical surface water temperature by month, from 49 field readings (20222024) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Owl Lake warm enough to swim?

At its summer peak (~74°F): Comfortable

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

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

Where to stay near Owl Lake

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

Top-rated places to stay near Owl 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 Owl Lake?

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

Frequently asked questions

What is the water temperature of Owl Lake?

Owl Lake has a typical summer surface temperature of about 74°F. It is usually warmest in July (around 78°F) and coldest in April (around 52°F). These are typical values by month from 49 EPA Water Quality Portal field readings (2022–2024), not a live reading.

When is Owl Lake warmest?

Surface water at Owl Lake is typically warmest in July, reaching about 78°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 Owl Lake warm enough to swim?

At its typical summer peak of about 74°F, Owl Lake rates as "comfortable" for swimming. Pleasant for swimming — the range most people find enjoyable without a wetsuit.

Where does this Owl 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 — 49 readings from 1 monitoring station between 2022 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.