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

Stwinesh Lake Water Temperature

Stwinesh Lake in Lake County, Florida typically sits around 87°F at the surface in June — warmest in Jun (~87°F) and coldest in Jan (~62°F). That is a typical value for the month, not a live reading.

Typical in June
87°F
Warm
Summer average
87°F
Warmest (Jun)
87°F
Coldest (Jan)
62°F

Typical water temperature by month

Jan
62°
Feb
Mar
Apr
80°
May
Jun
87°
Jul
Aug
Sep
Oct
Nov
Dec

Typical surface water temperature by month, from 12 field readings (20112025) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Stwinesh Lake warm enough to swim?

At its summer peak (~87°F): Warm

Very comfortable for swimming. Warm surface water can also favor blue-green algae in nutrient-rich lakes, so check for advisories before you go in.

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

Where to stay near Stwinesh Lake

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

Prices for Sep 18–20, 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.

Planning a trip to Stwinesh Lake?

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

Frequently asked questions

What is the water temperature of Stwinesh Lake?

Stwinesh Lake typically sits around 87°F at the surface in June, from 12 EPA Water Quality Portal field readings (2011–2025). That is a typical value for the month, not a live reading.

When is Stwinesh Lake warmest?

Surface water at Stwinesh Lake is typically warmest in June, reaching about 87°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 Stwinesh Lake warm enough to swim?

At its typical summer peak of about 87°F, Stwinesh Lake rates as "warm" for swimming. Very comfortable for swimming. Warm surface water can also favor blue-green algae in nutrient-rich lakes, so check for advisories before you go in.

Where does this Stwinesh 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 — 12 readings from 3 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.