Pool season · South Carolina
Myrtle Beach Pool Season: the Year on One Bar
Last updated: July 25, 2026 · dates · water temp
This is the one-page view of Myrtle Beach'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.
Myrtle Beach, SC — 131 swim days a yearReading it takes ten seconds: 52 dots, one per week. Solid teal is Myrtle Beach's swim season; the hollow teal run before it (March 26 to April 16) is when to open; the hollow amber run after is when to close, with November 5 as the deadline; gray is the covered season. Today's marker shows where you stand in that cycle right now.
The Myrtle Beach pool calendar
Opening — target April 2
Open by April 2 — a two-week head start on the April 16 crossing keeps startup chemistry small and beats the local service rush.
Closing — deadline November 5
The window opens October 26 once water leaves the algae zone; the model deadline is November 5, a week ahead of the November 13 freeze normal.
Estimated water temperature by month
Monthly averages of the site's water model run on Myrtle Beach'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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 46° | 45° | 50° | 57° | 66° | 73° | 79° | 79° | 76° | 70° | 59° | 50° |
Warmest water typically July–August (peaking near 79°F); heaters and covers shift any month up.
Every station tells its own story: compare this curve with Mount Pleasant's pool season and North Charleston's — neighboring normals stations can shift the windows by a week or more. The full ranking lives on the South Carolina season index.
Myrtle Beach pool season FAQ
When should I open my pool in Myrtle Beach, SC?
Open by April 2 — the model places Myrtle Beach's 61°F crossing about two weeks later, and every warm day you wait pushes the water toward the 65°F algae zone. The Myrtle Beach opening guide has the 12-step sequence.
When should I close my pool in Myrtle Beach?
Close by November 5: cool water keeps its winter chemistry, but freeze damage is the hard stop. The Myrtle Beach closing guide sequences the work backward from that date.
How long is the swim season in Myrtle Beach?
Myrtle Beach averages 131 days a year with normal highs of 80°F or better — about 5 days later than the South Carolina median. The South Carolina season index ranks all 12 covered cities by the same metric.
How warm does pool water get in Myrtle Beach?
An unheated pool near Myrtle Beach typically peaks around 79°F in high summer and bottoms out near 44°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.
Email me when Myrtle Beach hits the closing window
Data: NOAA 1991–2020 climate normals via Myrtle Beach (4.7 mi); live outlook by Open-Meteo. Attribution: sources · assumptions: methodology.