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LakeQuality

Lake Darling Max Depth Water Temperature

Lake Darling Max Depth in Washington County, Iowa averages about 78°F at the surface in summer — warmest in Jun (~79°F) and coldest in Sep (~69°F). These are typical values by month, not a live reading.

Typical in July
79°F
Comfortable
Summer average
78°F
Warmest (Jun)
79°F
Coldest (Sep)
69°F

Typical water temperature by month

Jan
Feb
Mar
Apr
May
74°
Jun
79°
Jul
79°
Aug
77°
Sep
69°
Oct
Nov
Dec

Typical surface water temperature by month, from 17 field readings (20152023) via the EPA Water Quality Portal. Months with too few readings are left blank.

Is Lake Darling Max Depth 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? Lake Darling Max Depth scored F on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.

Where to stay near Lake Darling Max Depth

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Frequently asked questions

What is the water temperature of Lake Darling Max Depth?

Lake Darling Max Depth has a typical summer surface temperature of about 78°F. It is usually warmest in June (around 79°F) and coldest in September (around 69°F). These are typical values by month from 17 EPA Water Quality Portal field readings (2015–2023), not a live reading.

When is Lake Darling Max Depth warmest?

Surface water at Lake Darling Max Depth is typically warmest in June, reaching about 79°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 Lake Darling Max Depth warm enough to swim?

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

Where does this Lake Darling Max Depth 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 — 17 readings from 1 monitoring station between 2015 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.