Lake Lansing Water Temperature
Lake Lansing in Ingham County, Michigan typically sits around 66°F at the surface in September — warmest in Aug (~68°F) and coldest in May (~56°F). That is a typical value for the month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 160 field readings (2022–2023) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Lake Lansing warm enough to swim?
Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Want more than temperature? Lake Lansing scored A on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
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Where to stay near Lake Lansing
Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Lake Lansing — 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 Lake Lansing
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Frequently asked questions
What is the water temperature of Lake Lansing?
Lake Lansing typically sits around 66°F at the surface in September, from 160 EPA Water Quality Portal field readings (2022–2023). That is a typical value for the month, not a live reading.
When is Lake Lansing warmest?
Surface water at Lake Lansing is typically warmest in August, 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 Lake Lansing warm enough to swim?
At its typical summer peak of about 65°F, Lake Lansing rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Where does this Lake Lansing 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 — 160 readings from 1 monitoring station between 2022 and 2023. 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.