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LakeQuality
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Lake Kennedy Water Temperature

Lake Kennedy in Lee County, Florida typically sits around 87°F at the surface in September — warmest in Aug (~88°F) and coldest in Jan (~64°F). That is a typical value for the month, not a live reading.

Typical in September
87°F
Warm
Summer average
87°F
Warmest (Aug)
88°F
Coldest (Jan)
64°F

Typical water temperature by month

Jan
64°
Feb
70°
Mar
73°
Apr
78°
May
83°
Jun
86°
Jul
87°
Aug
88°
Sep
87°
Oct
82°
Nov
75°
Dec
69°

Typical surface water temperature by month, from 459 field readings (20102025) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Lake Kennedy 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? Lake Kennedy water quality: clarity, algae, phosphorus, depth, fish species, and current advisories, all on one page.

Where to stay near Lake Kennedy

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

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 Kennedy?

Lake Kennedy typically sits around 87°F at the surface in September, from 459 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

When is Lake Kennedy warmest?

Surface water at Lake Kennedy is typically warmest in August, reaching about 88°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 Kennedy warm enough to swim?

At its typical summer peak of about 87°F, Lake Kennedy 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 Kennedy 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 — 459 readings from 1 monitoring station between 2010 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.