Pool season · Utah
West Valley City Pool Season: the Year on One Bar
Last updated: July 25, 2026 · dates · water temp
This is the one-page view of West Valley City's pool year: both model windows, the estimated water-temperature curve, and today's live position on the season bar. The detailed checklists live on the opening and closing guides; this page is the calendar you check between them.
West Valley City, UT — 105 swim days a yearReading it takes ten seconds: 52 dots, one per week. Solid teal is West Valley City's swim season; the hollow teal run before it (April 24 to May 15) is when to open; the hollow amber run after is when to close, with October 11 as the deadline; gray is the covered season. Today's marker shows where you stand in that cycle right now.
The West Valley City pool calendar
Opening — target May 1
Open by May 1 — a two-week head start on the May 15 crossing keeps startup chemistry small and beats the local service rush.
Closing — deadline October 11
Hold the cover until October 1, then winterize by October 11, a week ahead of the October 31 freeze normal. Late and cold beats early and warm.
Estimated water temperature by month
Monthly averages of the site's water model run on West Valley City's own normals — the shape of a typical year, not a forecast. The widget above shows where the current year actually sits.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 31° | 33° | 42° | 49° | 57° | 67° | 78° | 81° | 74° | 61° | 48° | 36° |
Warmest water typically July–August (peaking near 82°F); heaters and covers shift any month up.
Every station tells its own story: compare this curve with West Jordan's pool season and Layton's — neighboring normals stations can shift the windows by a week or more. The full ranking lives on the Utah season index.
West Valley City pool season FAQ
When should I open my pool in West Valley City, UT?
The site model recommends opening by May 1 — about two weeks before West Valley City's 7-day mean temperature crosses 61°F, while the water is still too cold for algae. The step-by-step sequence is in the West Valley City opening guide.
When should I close my pool in West Valley City?
Winterize by October 11. The model holds the deadline a week ahead of West Valley City's NOAA 50% first-freeze date, so the plumbing is protected before the first hard night. The full sequence is in the West Valley City closing guide.
How long is the swim season in West Valley City?
West Valley City averages 105 days a year with normal highs of 80°F or better — right on the statewide median. The Utah season index ranks all 12 covered cities by the same metric.
How warm does pool water get in West Valley City?
An unheated pool near West Valley City typically peaks around 82°F in high summer and bottoms out near 31°F in winter, spending roughly 1 month at or above the 78°F comfort line most swimmers prefer. The month-by-month curve above shows the whole cycle; the methodology page explains the ±5°F error bars.
Email me when West Valley City hits the closing window
Data: NOAA 1991–2020 climate normals via Salt Lake City International Airport (6.6 mi); live outlook by Open-Meteo. Attribution: sources · assumptions: methodology.