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LakeQuality

Lake Charlevoix Water Temperature

Lake Charlevoix in Charlevoix County, Michigan averages about 69°F at the surface in summer — warmest in Jul (~69°F) and coldest in Feb (~34°F). These are typical values by month, not a live reading.

Typical in July
69°F
Cool
Summer average
69°F
Warmest (Jul)
69°F
Coldest (Feb)
34°F

Typical water temperature by month

Jan
Feb
34°
Mar
Apr
May
53°
Jun
Jul
69°
Aug
Sep
Oct
59°
Nov
Dec

Typical surface water temperature by month, from 56 field readings (20152025) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Lake Charlevoix warm enough to swim?

At its summer peak (~69°F): Cool

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

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

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Frequently asked questions

What is the water temperature of Lake Charlevoix?

Lake Charlevoix has a typical summer surface temperature of about 69°F. It is usually warmest in July (around 69°F) and coldest in February (around 34°F). These are typical values by month from 56 EPA Water Quality Portal field readings (2015–2025), not a live reading.

When is Lake Charlevoix warmest?

Surface water at Lake Charlevoix is typically warmest in July, reaching about 69°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 Lake Charlevoix warm enough to swim?

At its typical summer peak of about 69°F, Lake Charlevoix rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.

Where does this Lake Charlevoix 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 — 56 readings from 1 monitoring station between 2015 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.