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Blanton Lake South Lobe Water Temperature

Blanton Lake South Lobe in Pasco County, Florida typically sits around 84°F at the surface in September — warmest in Jul (~91°F) and coldest in Jan (~61°F). That is a typical value for the month, not a live reading.

Typical in September
84°F
Warm
Summer average
89°F
Warmest (Jul)
91°F
Coldest (Jan)
61°F

Typical water temperature by month

Jan
61°
Feb
66°
Mar
70°
Apr
78°
May
82°
Jun
Jul
91°
Aug
87°
Sep
84°
Oct
75°
Nov
72°
Dec
67°

Typical surface water temperature by month, from 63 field readings (20102025) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Blanton Lake South Lobe warm enough to swim?

At its summer peak (~89°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? Blanton Lake South Lobe water quality: clarity, algae, phosphorus, depth, fish species, and current advisories, all on one page.

Where to stay near Blanton Lake South Lobe

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

Prices for Sep 18–20, 4 adults. Change dates on the map below.

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Frequently asked questions

What is the water temperature of Blanton Lake South Lobe?

Blanton Lake South Lobe typically sits around 84°F at the surface in September, from 63 EPA Water Quality Portal field readings (2010–2025). That is a typical value for the month, not a live reading.

When is Blanton Lake South Lobe warmest?

Surface water at Blanton Lake South Lobe is typically warmest in July, reaching about 91°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 Blanton Lake South Lobe warm enough to swim?

At its typical summer peak of about 89°F, Blanton Lake South Lobe 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 Blanton Lake South Lobe 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 — 63 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.