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LakeQuality

Ada Hayden Heritage Park Lake Water Temperature

Ada Hayden Heritage Park Lake in Story County, Iowa averages about 78°F at the surface in summer — warmest in Jun (~78°F) and coldest in Sep (~70°F). These are typical values by month, not a live reading.

Typical in July
Summer average
78°F
Warmest (Jun)
78°F
Coldest (Sep)
70°F

Typical water temperature by month

Jan
Feb
Mar
Apr
May
Jun
78°
Jul
Aug
77°
Sep
70°
Oct
Nov
Dec

Typical surface water temperature by month, from 9 field readings (20182023) via the EPA Water Quality Portal. Months with too few readings are left blank.

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

Where to stay near Ada Hayden Heritage Park Lake

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Frequently asked questions

What is the water temperature of Ada Hayden Heritage Park Lake?

Ada Hayden Heritage Park Lake has a typical summer surface temperature of about 78°F. It is usually warmest in June (around 78°F) and coldest in September (around 70°F). These are typical values by month from 9 EPA Water Quality Portal field readings (2018–2023), not a live reading.

When is Ada Hayden Heritage Park Lake warmest?

Surface water at Ada Hayden Heritage Park Lake is typically warmest in June, reaching about 78°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 Ada Hayden Heritage Park Lake warm enough to swim?

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

Where does this Ada Hayden Heritage Park 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 — 9 readings from 1 monitoring station between 2018 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.