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LakeQuality

Robert'S Lake Water Temperature

Robert'S Lake in Okaloosa County, Florida averages about 80°F at the surface in summer — warmest in Jun (~80°F) and coldest in Jan (~55°F). These are typical values by month, not a live reading.

Typical in August
80°F
Warm
Summer average
80°F
Warmest (Jun)
80°F
Coldest (Jan)
55°F

Typical water temperature by month

Jan
55°
Feb
57°
Mar
63°
Apr
70°
May
75°
Jun
80°
Jul
80°
Aug
80°
Sep
77°
Oct
71°
Nov
61°
Dec
61°

Typical surface water temperature by month, from 280 field readings (20112025) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Robert'S Lake warm enough to swim?

At its summer peak (~80°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? Robert'S Lake scored B on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.

Where to stay near Robert'S Lake

Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Robert'S 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 Robert'S Lake

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Frequently asked questions

What is the water temperature of Robert'S Lake?

Robert'S Lake has a typical summer surface temperature of about 80°F. It is usually warmest in June (around 80°F) and coldest in January (around 55°F). These are typical values by month from 280 EPA Water Quality Portal field readings (2011–2025), not a live reading.

When is Robert'S Lake warmest?

Surface water at Robert'S Lake is typically warmest in June, reaching about 80°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 Robert'S Lake warm enough to swim?

At its typical summer peak of about 80°F, Robert'S 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 Robert'S 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 — 280 readings from 4 monitoring stations between 2011 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.