Paradise Lake Water Temperature
Paradise Lake in Coles County, Illinois averages about 80°F at the surface in summer — warmest in Jul (~82°F) and coldest in Apr (~60°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 230 field readings (2012–2021) 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 ~78°F
Summer average ~81°F
Summer average ~70°F
Summer average ~72°F
Summer average ~77°F
Summer average ~80°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.
Top-rated places to stay near Paradise Lake
Availability and prices from Stay22 partners (Booking.com, Vrbo, Expedia). We may earn a commission from bookings, at no extra cost to you.
Planning a trip to Paradise Lake?
Get lake water-quality report cards plus the best cabin & lodging deals near Paradise Lake — straight to your inbox. No spam, unsubscribe anytime.
Frequently asked questions
What is the water temperature of Paradise Lake?
Paradise Lake has a typical summer surface temperature of about 80°F. It is usually warmest in July (around 82°F) and coldest in April (around 60°F). These are typical values by month from 230 EPA Water Quality Portal field readings (2012–2021), not a live reading.
When is Paradise Lake warmest?
Surface water at Paradise Lake is typically warmest in July, reaching about 82°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 80°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 — 230 readings from 3 monitoring stations between 2012 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.