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LakeQuality

Prairie Rose Lake Water Temperature

Prairie Rose Lake in Shelby County, Iowa averages about 78°F at the surface in summer — warmest in Jul (~82°F) and coldest in Oct (~57°F). These are typical values by month, not a live reading.

Typical in July
82°F
Warm
Summer average
78°F
Warmest (Jul)
82°F
Coldest (Oct)
57°F

Typical water temperature by month

Jan
Feb
Mar
Apr
May
62°
Jun
75°
Jul
82°
Aug
78°
Sep
71°
Oct
57°
Nov
Dec

Typical surface water temperature by month, from 38 field readings (20102023) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Prairie Rose Lake warm enough to swim?

At its summer peak (~78°F): Comfortable

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

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

Where to stay near Prairie Rose Lake

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Frequently asked questions

What is the water temperature of Prairie Rose Lake?

Prairie Rose Lake has a typical summer surface temperature of about 78°F. It is usually warmest in July (around 82°F) and coldest in October (around 57°F). These are typical values by month from 38 EPA Water Quality Portal field readings (2010–2023), not a live reading.

When is Prairie Rose Lake warmest?

Surface water at Prairie Rose Lake is typically warmest in July, reaching about 82°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 Prairie Rose Lake warm enough to swim?

At its typical summer peak of about 78°F, Prairie Rose Lake rates as "comfortable" for swimming. Pleasant for swimming — the range most people find enjoyable without a wetsuit.

Where does this Prairie Rose 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 — 38 readings from 1 monitoring station between 2010 and 2023. 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.