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

Lake Dan Water Temperature

Lake Dan in Hillsborough County, Florida typically sits around 84°F at the surface in September — warmest in Jun (~90°F) and coldest in Jan (~65°F). That is a typical value for the month, not a live reading.

Typical in September
84°F
Warm
Summer average
90°F
Warmest (Jun)
90°F
Coldest (Jan)
65°F

Typical water temperature by month

Jan
65°
Feb
70°
Mar
77°
Apr
80°
May
85°
Jun
90°
Jul
89°
Aug
90°
Sep
84°
Oct
79°
Nov
71°
Dec
67°

Typical surface water temperature by month, from 70 field readings (20172024) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Lake Dan warm enough to swim?

At its summer peak (~90°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? Lake Dan water quality: clarity, algae, phosphorus, depth, fish species, and current advisories, all on one page.

Where to stay near Lake Dan

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

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.

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Frequently asked questions

What is the water temperature of Lake Dan?

Lake Dan typically sits around 84°F at the surface in September, from 70 EPA Water Quality Portal field readings (2017–2024). That is a typical value for the month, not a live reading.

When is Lake Dan warmest?

Surface water at Lake Dan is typically warmest in June, reaching about 90°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 Lake Dan warm enough to swim?

At its typical summer peak of about 90°F, Lake Dan 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 Lake Dan 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 — 70 readings from 1 monitoring station between 2017 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.