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LakeQuality

Two Inlets Lake Water Temperature

Two Inlets Lake in Becker County, Minnesota averages about 69°F at the surface in summer — warmest in Aug (~71°F) and coldest in May (~63°F). These are typical values by month, not a live reading.

Typical in July
68°F
Cool
Summer average
69°F
Warmest (Aug)
71°F
Coldest (May)
63°F

Typical water temperature by month

Jan
Feb
Mar
Apr
May
63°
Jun
67°
Jul
68°
Aug
71°
Sep
67°
Oct
Nov
Dec

Typical surface water temperature by month, from 124 field readings (20182025) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Two Inlets 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? Two Inlets Lake scored B on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.

Where to stay near Two Inlets Lake

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Frequently asked questions

What is the water temperature of Two Inlets Lake?

Two Inlets Lake has a typical summer surface temperature of about 69°F. It is usually warmest in August (around 71°F) and coldest in May (around 63°F). These are typical values by month from 124 EPA Water Quality Portal field readings (2018–2025), not a live reading.

When is Two Inlets Lake warmest?

Surface water at Two Inlets Lake is typically warmest in August, reaching about 71°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 Two Inlets Lake warm enough to swim?

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

Where does this Two Inlets 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 — 124 readings from 2 monitoring stations between 2018 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.