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LakeQuality

Cobb Lake Central Basin Water Temperature

Cobb Lake Central Basin in Barry County, Michigan averages about 67°F at the surface in summer — warmest in Aug (~70°F) and coldest in May (~57°F). These are typical values by month, not a live reading.

Typical in July
68°F
Cool
Summer average
67°F
Warmest (Aug)
70°F
Coldest (May)
57°F

Typical water temperature by month

Jan
Feb
Mar
Apr
May
57°
Jun
63°
Jul
68°
Aug
70°
Sep
69°
Oct
Nov
Dec

Typical surface water temperature by month, from 1,321 field readings (20102022) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Cobb Lake Central Basin warm enough to swim?

At its summer peak (~67°F): Cool

Brisk but swimmable for short dips — most people acclimate after the first few minutes.

Want more than temperature? Cobb Lake Central Basin scored A on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.

Where to stay near Cobb Lake Central Basin

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Frequently asked questions

What is the water temperature of Cobb Lake Central Basin?

Cobb Lake Central Basin has a typical summer surface temperature of about 67°F. It is usually warmest in August (around 70°F) and coldest in May (around 57°F). These are typical values by month from 1,321 EPA Water Quality Portal field readings (2010–2022), not a live reading.

When is Cobb Lake Central Basin warmest?

Surface water at Cobb Lake Central Basin is typically warmest in August, reaching about 70°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 Cobb Lake Central Basin warm enough to swim?

At its typical summer peak of about 67°F, Cobb Lake Central Basin rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.

Where does this Cobb Lake Central Basin 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 — 1,321 readings from 1 monitoring station between 2010 and 2022. 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.