Chub Lake Water Temperature
Chub Lake in Carlton County, Minnesota typically sits around 72°F at the surface in August — warmest in Jul (~72°F) and coldest in May (~55°F). That is a typical value for the month, not a live reading.
Typical water temperature by month
Column height runs from this lake’s coldest month (55°F) to its warmest (72°F).
Typical surface water temperature by month, from 10 field readings (2024–2025) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Chub Lake warm enough to swim?
Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Want more than temperature? Chub Lake water quality: clarity, algae, phosphorus, depth, fish species, and current advisories, all on one page.
Water temperatures at nearby Minnesota lakes
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Where to stay near Chub Lake
Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Chub Lake — live availability and prices. Switch the map to Satellite to see the lake and how close each stay is to the water.
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Frequently asked questions
What is the water temperature of Chub Lake?
Chub Lake typically sits around 72°F at the surface in August, from 10 EPA Water Quality Portal field readings (2024–2025). That is a typical value for the month, not a live reading.
When is Chub Lake warmest?
Surface water at Chub Lake is typically warmest in July, reaching about 72°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 Chub Lake warm enough to swim?
At its typical summer peak of about 70°F, Chub Lake rates as "comfortable" for swimming. Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Where does this Chub 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 — 10 readings from 1 monitoring station between 2024 and 2025. 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.