Edith Lake Water Temperature
Edith Lake in Washington County, Minnesota averages about 61°F at the surface in summer — warmest in Aug (~64°F) and coldest in May (~51°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 122 field readings (2011–2024) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is Edith Lake warm enough to swim?
Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Want more than temperature? Edith Lake scored B on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
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Frequently asked questions
What is the water temperature of Edith Lake?
Edith Lake has a typical summer surface temperature of about 61°F. It is usually warmest in August (around 64°F) and coldest in May (around 51°F). These are typical values by month from 122 EPA Water Quality Portal field readings (2011–2024), not a live reading.
When is Edith Lake warmest?
Surface water at Edith Lake is typically warmest in August, reaching about 64°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 Edith Lake warm enough to swim?
At its typical summer peak of about 61°F, Edith Lake rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.
Where does this Edith 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 — 122 readings from 1 monitoring station between 2011 and 2024. 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.