Nippersink Lake Water Temperature
Nippersink Lake in Lake County, Illinois averages about 77°F at the surface in summer — warmest in Jul (~80°F) and coldest in Oct (~56°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 181 field readings (2012–2022) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Nippersink Lake warm enough to swim?
Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Want more than temperature? Nippersink Lake scored D on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
Water temperatures at nearby Illinois lakes
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Frequently asked questions
What is the water temperature of Nippersink Lake?
Nippersink Lake has a typical summer surface temperature of about 77°F. It is usually warmest in July (around 80°F) and coldest in October (around 56°F). These are typical values by month from 181 EPA Water Quality Portal field readings (2012–2022), not a live reading.
When is Nippersink Lake warmest?
Surface water at Nippersink Lake is typically warmest in July, reaching about 80°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 Nippersink Lake warm enough to swim?
At its typical summer peak of about 77°F, Nippersink Lake rates as "comfortable" for swimming. Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Where does this Nippersink 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 — 181 readings from 3 monitoring stations between 2012 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.