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Alligator Lake Middle Water Temperature

Alligator Lake Middle in Walton County, Florida typically sits around 83°F at the surface in September — warmest in Jul (~89°F) and coldest in Jan (~60°F). That is a typical value for the month, not a live reading.

Typical in September
83°F
Warm
Summer average
87°F
Warmest (Jul)
89°F
Coldest (Jan)
60°F

Typical water temperature by month

Jan
60°
Feb
68°
Mar
73°
Apr
78°
May
84°
Jun
86°
Jul
89°
Aug
87°
Sep
83°
Oct
75°
Nov
68°
Dec
66°

Typical surface water temperature by month, from 332 field readings (20102025) via the EPA Water Quality Portal. Months with too few readings are left blank.

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

Where to stay near Alligator Lake Middle

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

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 Alligator Lake Middle?

Alligator Lake Middle typically sits around 83°F at the surface in September, from 332 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

When is Alligator Lake Middle warmest?

Surface water at Alligator Lake Middle is typically warmest in July, reaching about 89°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 Alligator Lake Middle warm enough to swim?

At its typical summer peak of about 87°F, Alligator Lake Middle 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 Alligator Lake Middle 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 — 332 readings from 2 monitoring stations 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.