Storm Lake Max Depth Water Temperature
Storm Lake Max Depth in Buena Vista County, Iowa typically sits around 69°F at the surface in September — warmest in Jul (~78°F) and coldest in May (~58°F). That is a typical value for the 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 Storm Lake Max Depth warm enough to swim?
Pleasant for swimming — the range most people find enjoyable without a wetsuit.
A live gauge on Storm Lake Max Depth last read 83°F. See the full Storm Lake Max Depth report card for current conditions and the A–F water-quality grade.
Want more than temperature? Storm Lake Max Depth scored B 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 ~77°F
Summer average ~76°F
Summer average ~78°F
Summer average ~77°F
Summer average ~78°F
Summer average ~73°F
Explore water temperatures
Where to stay near Storm Lake Max Depth
Planning a swim or lake trip? Compare cabins, lodges, and vacation rentals near Storm Lake Max Depth — live availability and prices. Switch the map to Satellite to see the lake and how close each stay is to the water.
Top-rated places to stay near Storm Lake Max Depth
Prices for Sep 4–6, 4 adults. Change dates on the map below.
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Frequently asked questions
What is the water temperature of Storm Lake Max Depth?
Storm Lake Max Depth typically sits around 69°F at the surface in September, from 29 EPA Water Quality Portal field readings (2010–2023). That is a typical value for the month, not a live reading. A USGS gauge on this lake last read 83°F.
When is Storm Lake Max Depth warmest?
Surface water at Storm Lake Max Depth is typically warmest in July, 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 Storm Lake Max Depth warm enough to swim?
At its typical summer peak of about 75°F, Storm Lake Max Depth rates as "comfortable" for swimming. Pleasant for swimming — the range most people find enjoyable without a wetsuit.
Where does this Storm Lake 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 — 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.