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LakeQuality

East Twin Lake Water Temperature

East Twin Lake in Anoka County, Minnesota averages about 69°F at the surface in summer — warmest in Jun (~70°F) and coldest in May (~61°F). These are typical values by month, not a live reading.

Typical in July
69°F
Cool
Summer average
69°F
Warmest (Jun)
70°F
Coldest (May)
61°F

Typical water temperature by month

Jan
Feb
Mar
Apr
May
61°
Jun
70°
Jul
69°
Aug
67°
Sep
63°
Oct
Nov
Dec

Typical surface water temperature by month, from 58 field readings (20102024) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is East Twin Lake warm enough to swim?

At its summer peak (~69°F): Cool

Brisk but swimmable for short dips — most people acclimate after the first few minutes.

Want more than temperature? East Twin Lake scored A on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.

Where to stay near East Twin Lake

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Frequently asked questions

What is the water temperature of East Twin Lake?

East Twin Lake has a typical summer surface temperature of about 69°F. It is usually warmest in June (around 70°F) and coldest in May (around 61°F). These are typical values by month from 58 EPA Water Quality Portal field readings (2010–2024), not a live reading.

When is East Twin Lake warmest?

Surface water at East Twin Lake is typically warmest in June, reaching about 70°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 East Twin Lake warm enough to swim?

At its typical summer peak of about 69°F, East Twin Lake rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.

Where does this East Twin 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 — 58 readings from 2 monitoring stations between 2010 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.