PoolWindow

Pool season · California

Tulare Pool Season: the Year on One Bar

Last updated: July 25, 2026 · dates · water temp

This is the one-page view of Tulare'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.

Resort pool at dusk in a hot, long-season climateTulare, CA — 151 swim days a year
J F M A M J J A S O N D today (build date)

off-season opening window swim season closing window

Reading it takes ten seconds: 52 dots, one per week. Solid teal is Tulare's swim season; the hollow teal run before it (March 28 to April 18) is when to open; the hollow amber run after is when to close, with November 6 as the deadline; gray is the covered season. Today's marker shows where you stand in that cycle right now.

The Tulare pool calendar

April 4open by
November 6close by
15180°F+ days
81°Fwater peak

Opening — target April 4

Target April 4; the practical window runs March 28–April 18, and the 7-day mean crosses the 61°F threshold around April 18. Cold-water starts are the cheap ones.

Full opening guide

Closing — deadline November 6

The window opens October 27 once water leaves the algae zone; the model deadline is November 6, a week ahead of the December 13 freeze normal.

Full closing guide

Where the water sits today

SEASONAL VIEW

Estimated unheated pool water temp (site model, ±5°F). The live estimate loads in your browser from Open-Meteo air temperatures; in a typical year Tulare water runs about 46°F at its winter floor and 81°F at its summer peak.

40 45 50 55 60 65 70 75 80 85 58 open 65 algae

Estimated water temperature by month

Monthly averages of the site's water model run on Tulare's own normals — the shape of a typical year, not a forecast. The widget above shows where the current year actually sits.

40°50°60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDec65° algae zone58° swimmable startopen Apr 4close Nov 681°F peak46°F floor
Site-model seasonal water estimates for an unheated in-ground pool near Visalia — ±5°F, see methodology.
JanFebMarAprMayJunJulAugSepOctNovDec
46°49°54°58°65°72°78°80°77°70°59°49°

Warmest water typically July–August (peaking near 81°F); heaters and covers shift any month up.

Every station tells its own story: compare this curve with Tracy's pool season and Turlock's — neighboring normals stations can shift the windows by a week or more. The full ranking lives on the California season index.

Tulare pool season FAQ

When should I open my pool in Tulare, CA?

Target April 4. That date backs off two weeks from the day Tulare's 7-day mean temperature reaches 61°F, so you start up in cold, algae-resistant water. Work the full checklist in the Tulare opening guide.

When should I close my pool in Tulare?

The closing deadline is November 6 — late enough that the water has cooled out of the algae zone, early enough to beat Tulare's first-freeze normal by about a week. See the Tulare closing guide for the winterizing steps.

How long is the swim season in Tulare?

Tulare averages 151 days a year with normal highs of 80°F or better — right on the statewide median. The California season index ranks all 147 covered cities by the same metric.

How warm does pool water get in Tulare?

An unheated pool near Tulare typically peaks around 81°F in high summer and bottoms out near 46°F in winter, spending roughly 2 months 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.

Data: NOAA 1991–2020 climate normals via Visalia (9.2 mi); live outlook by Open-Meteo. Attribution: sources · assumptions: methodology.