Strand Lake Water Temperature
Strand Lake in St. Louis County, Minnesota typically sits around 67°F at the surface in September — warmest in Jul (~77°F) and coldest in Oct (~57°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 83 field readings (2019–2025) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Strand Lake warm enough to swim?
Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Want more than temperature? Strand Lake scored D on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
Water temperatures at nearby Minnesota lakes
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Where to stay near Strand Lake
Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Strand 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 Strand Lake
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Frequently asked questions
What is the water temperature of Strand Lake?
Strand Lake typically sits around 67°F at the surface in September, from 83 EPA Water Quality Portal field readings (2019–2025). That is a typical value for the month, not a live reading.
When is Strand Lake warmest?
Surface water at Strand Lake is typically warmest in July, reaching about 77°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 Strand Lake warm enough to swim?
At its typical summer peak of about 74°F, Strand Lake rates as "comfortable" for swimming. Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Where does this Strand 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 — 83 readings from 2 monitoring stations between 2019 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.