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Lostlkalt Lake Water Temperature

Lostlkalt Lake in Leon County, Florida typically sits around 84°F at the surface in September — warmest in Jul (~90°F) and coldest in Sep (~84°F). That is a typical value for the month, not a live reading.

Typical in September
84°F
Warm
Summer average
90°F
Warmest (Jul)
90°F
Coldest (Sep)
84°F

Typical water temperature by month

Jan
Feb
Mar
Apr
May
Jun
Jul
90°
Aug
89°
Sep
84°
Oct
Nov
Dec

Typical surface water temperature by month, from 15 field readings (20182024) via the EPA Water Quality Portal. Months with too few readings are left blank.

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

Where to stay near Lostlkalt Lake

Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Lostlkalt 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 Lostlkalt 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.

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Frequently asked questions

What is the water temperature of Lostlkalt Lake?

Lostlkalt Lake typically sits around 84°F at the surface in September, from 15 EPA Water Quality Portal field readings (2018–2024). That is a typical value for the month, not a live reading.

When is Lostlkalt Lake warmest?

Surface water at Lostlkalt Lake is typically warmest in July, 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 Lostlkalt Lake warm enough to swim?

At its typical summer peak of about 90°F, Lostlkalt 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 Lostlkalt 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 — 15 readings from 1 monitoring station between 2018 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.