West Lake Osceola Water Temperature
West Lake Osceola in Clarke County, Iowa averages about 78°F at the surface in summer — warmest in Jul (~81°F) and coldest in May (~69°F). These are typical values by month, not a live reading.
Typical water temperature by month
Typical surface water temperature by month, from 29 field readings (2010–2023) via the EPA Water Quality Portal. Months with too few readings are left blank.
Is West Lake Osceola warm enough to swim?
Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Want more than temperature? West Lake Osceola scored D on water quality — clarity, algae, phosphorus, depth, fish species, and swimming safety, all on one report card.
Water temperatures at nearby Iowa lakes
Summer average ~79°F
Summer average ~79°F
Summer average ~78°F
Summer average ~79°F
Summer average ~81°F
Summer average ~77°F
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Frequently asked questions
What is the water temperature of West Lake Osceola?
West Lake Osceola has a typical summer surface temperature of about 78°F. It is usually warmest in July (around 81°F) and coldest in May (around 69°F). These are typical values by month from 29 EPA Water Quality Portal field readings (2010–2023), not a live reading.
When is West Lake Osceola warmest?
Surface water at West Lake Osceola is typically warmest in July, reaching about 81°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 West Lake Osceola warm enough to swim?
At its typical summer peak of about 78°F, West Lake Osceola rates as "comfortable" for swimming. Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Where does this West Lake Osceola 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 — 29 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.