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LakeQuality

Chain: Middle Lake Water Temperature

Chain: Middle Lake in Beltrami County, Minnesota averages about 73°F at the surface in summer — warmest in Jul (~75°F) and coldest in Feb (~34°F). These are typical values by month, not a live reading.

Typical in July
75°F
Comfortable
Summer average
73°F
Warmest (Jul)
75°F
Coldest (Feb)
34°F

Typical water temperature by month

Jan
35°
Feb
34°
Mar
Apr
May
61°
Jun
71°
Jul
75°
Aug
73°
Sep
63°
Oct
Nov
Dec

Typical surface water temperature by month, from 72 field readings (20102025) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Chain: Middle Lake warm enough to swim?

At its summer peak (~73°F): Comfortable

Pleasant for swimming — the range most people find enjoyable without a wetsuit.

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

Where to stay near Chain: Middle Lake

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Frequently asked questions

What is the water temperature of Chain: Middle Lake?

Chain: Middle Lake has a typical summer surface temperature of about 73°F. It is usually warmest in July (around 75°F) and coldest in February (around 34°F). These are typical values by month from 72 EPA Water Quality Portal field readings (2010–2025), not a live reading.

When is Chain: Middle Lake warmest?

Surface water at Chain: Middle Lake is typically warmest in July, reaching about 75°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 Chain: Middle Lake warm enough to swim?

At its typical summer peak of about 73°F, Chain: Middle Lake rates as "comfortable" for swimming. Pleasant for swimming — the range most people find enjoyable without a wetsuit.

Where does this Chain: Middle 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 — 72 readings from 1 monitoring station between 2010 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.