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LakeQuality

Dead Colt Creek Dam Lake Water Temperature

Dead Colt Creek Dam Lake in Ransom County, North Dakota averages about 65°F at the surface in summer — warmest in Jul (~67°F) and coldest in May (~50°F). These are typical values by month, not a live reading.

Typical in July
67°F
Cool
Summer average
65°F
Warmest (Jul)
67°F
Coldest (May)
50°F

Typical water temperature by month

Jan
Feb
Mar
Apr
May
50°
Jun
63°
Jul
67°
Aug
Sep
Oct
52°
Nov
Dec

Typical surface water temperature by month, from 12 field readings (20202020) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Dead Colt Creek Dam Lake warm enough to swim?

At its summer peak (~65°F): Cool

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

Want more than temperature? Dead Colt Creek Dam Lake scored F on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.

Where to stay near Dead Colt Creek Dam Lake

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Frequently asked questions

What is the water temperature of Dead Colt Creek Dam Lake?

Dead Colt Creek Dam Lake has a typical summer surface temperature of about 65°F. It is usually warmest in July (around 67°F) and coldest in May (around 50°F). These are typical values by month from 12 EPA Water Quality Portal field readings (2020–2020), not a live reading.

When is Dead Colt Creek Dam Lake warmest?

Surface water at Dead Colt Creek Dam Lake is typically warmest in July, reaching about 67°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 Dead Colt Creek Dam Lake warm enough to swim?

At its typical summer peak of about 65°F, Dead Colt Creek Dam Lake rates as "cool" for swimming. Brisk but swimmable for short dips — most people acclimate after the first few minutes.

Where does this Dead Colt Creek Dam 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 — 12 readings from 1 monitoring station between 2020 and 2020. 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.