Paradise Lake Water Temperature
Paradise Lake in Pike County, Illinois typically sits around 81°F at the surface in August — warmest in Jul (~87°F) and coldest in Apr (~53°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 34 field readings (2013–2021) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Paradise Lake warm enough to swim?
Very comfortable for swimming. Warm surface water can also favor blue-green algae in nutrient-rich lakes, so check for advisories before you go in.
Want more than temperature? Paradise Lake scored F on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
Water temperatures at nearby Illinois lakes
Summer average ~79°F
Summer average ~78°F
Summer average ~81°F
Summer average ~73°F
Summer average ~75°F
Summer average ~70°F
Explore water temperatures
Where to stay near Paradise Lake
Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Paradise Lake — 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 Paradise Lake
Prices for Sep 11–13, 4 adults. Change dates on the map below.
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Frequently asked questions
What is the water temperature of Paradise Lake?
Paradise Lake typically sits around 81°F at the surface in August, from 34 EPA Water Quality Portal field readings (2013–2021). That is a typical value for the month, not a live reading.
When is Paradise Lake warmest?
Surface water at Paradise Lake is typically warmest in July, reaching about 87°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 Paradise Lake warm enough to swim?
At its typical summer peak of about 81°F, Paradise Lake rates as "warm" for swimming. Very comfortable for swimming. Warm surface water can also favor blue-green algae in nutrient-rich lakes, so check for advisories before you go in.
Where does this Paradise 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 — 34 readings from 2 monitoring stations between 2013 and 2021. 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.