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LakeQuality

Imogene Lake Water Temperature

Imogene Lake in Vilas County, Wisconsin averages about 75°F at the surface in summer — warmest in Jun (~77°F) and coldest in Jul (~74°F). These are typical values by month, not a live reading.

Typical in July
74°F
Comfortable
Summer average
75°F
Warmest (Jun)
77°F
Coldest (Jul)
74°F

Typical water temperature by month

Jan
Feb
Mar
Apr
May
Jun
77°
Jul
74°
Aug
75°
Sep
Oct
Nov
Dec

Typical surface water temperature by month, from 12 field readings (20242025) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Imogene Lake warm enough to swim?

At its summer peak (~75°F): Comfortable

Pleasant for swimming — the range most people find enjoyable without a wetsuit.

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

Where to stay near Imogene Lake

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Frequently asked questions

What is the water temperature of Imogene Lake?

Imogene Lake has a typical summer surface temperature of about 75°F. It is usually warmest in June (around 77°F) and coldest in July (around 74°F). These are typical values by month from 12 EPA Water Quality Portal field readings (2024–2025), not a live reading.

When is Imogene Lake warmest?

Surface water at Imogene Lake is typically warmest in June, reaching about 77°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 Imogene Lake warm enough to swim?

At its typical summer peak of about 75°F, Imogene Lake rates as "comfortable" for swimming. Pleasant for swimming — the range most people find enjoyable without a wetsuit.

Where does this Imogene 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 — 12 readings from 1 monitoring station between 2024 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.