Miner'S Pit West Lake Water Temperature
Miner'S Pit West Lake in St. Louis County, Minnesota averages about 49°F at the surface in summer — warmest in Jul (~49°F) and coldest in Jul (~49°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 126 field readings (2023–2025) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Miner'S Pit West Lake warm enough to swim?
Cold-water shock is a real risk below 50°F — unprotected swimming is unsafe and even strong swimmers can lose muscle control within minutes.
Want more than temperature? Miner'S Pit West Lake scored A on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
Water temperatures at nearby Minnesota lakes
Summer average ~67°F
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Summer average ~69°F
Summer average ~64°F
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Frequently asked questions
What is the water temperature of Miner'S Pit West Lake?
Miner'S Pit West Lake has a typical summer surface temperature of about 49°F. It is usually warmest in July (around 49°F) and coldest in July (around 49°F). These are typical values by month from 126 EPA Water Quality Portal field readings (2023–2025), not a live reading.
When is Miner'S Pit West Lake warmest?
Surface water at Miner'S Pit West Lake is typically warmest in July, reaching about 49°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 Miner'S Pit West Lake warm enough to swim?
At its typical summer peak of about 49°F, Miner'S Pit West Lake rates as "very cold" for swimming. Cold-water shock is a real risk below 50°F — unprotected swimming is unsafe and even strong swimmers can lose muscle control within minutes.
Where does this Miner'S Pit West 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 — 126 readings from 3 monitoring stations between 2023 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.