Ingerson Lake Water Temperature
Ingerson Lake in Allegan County, Michigan averages about 67°F at the surface in summer — warmest in Jul (~68°F) and coldest in Jan (~39°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 679 field readings (2012–2024) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Ingerson Lake warm enough to swim?
Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Want more than temperature? Ingerson Lake scored B on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
Water temperatures at nearby Michigan lakes
Summer average ~68°F
Summer average ~67°F
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Frequently asked questions
What is the water temperature of Ingerson Lake?
Ingerson Lake has a typical summer surface temperature of about 67°F. It is usually warmest in July (around 68°F) and coldest in January (around 39°F). These are typical values by month from 679 EPA Water Quality Portal field readings (2012–2024), not a live reading.
When is Ingerson Lake warmest?
Surface water at Ingerson Lake is typically warmest in July, reaching about 68°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 Ingerson Lake warm enough to swim?
At its typical summer peak of about 67°F, Ingerson Lake rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Where does this Ingerson 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 — 679 readings from 1 monitoring station between 2012 and 2024. 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.