Pool season · North Carolina
Asheville Pool Season: the Year on One Bar
Last updated: July 25, 2026 · dates · water temp
This is the one-page view of Asheville'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.
Asheville, NC — 100 swim days a yearThe bar compresses Asheville's whole pool year into one lane rope: gray floats for the off-season, hollow teal for the April 7–April 28 opening window, solid teal for swim weeks, hollow amber for the closing stretch that ends October 17. Wherever the today marker sits, the nearest color change is your next appointment.
The Asheville pool calendar
Opening — target April 14
Open by April 14 — a two-week head start on the April 28 crossing keeps startup chemistry small and beats the local service rush.
Closing — deadline October 17
The window opens October 7 once water leaves the algae zone; the model deadline is October 17, a week ahead of the October 31 freeze normal.
Estimated water temperature by month
This is Asheville's typical-year water curve: the same EWMA model as the live widget, run on the 1991–2020 normals instead of this week's weather.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 39° | 39° | 45° | 53° | 62° | 69° | 74° | 75° | 72° | 63° | 52° | 44° |
The curve peaks near 75°F — comfortable-water months here usually involve a heater or a solar cover.
Every station tells its own story: compare this curve with Apex's pool season and Burlington's — neighboring normals stations can shift the windows by a week or more. The full ranking lives on the North Carolina season index.
Asheville pool season FAQ
When should I open my pool in Asheville, NC?
Open by April 14 — the model places Asheville's 61°F crossing about two weeks later, and every warm day you wait pushes the water toward the 65°F algae zone. The Asheville opening guide has the 12-step sequence.
When should I close my pool in Asheville?
Close by October 17: cool water keeps its winter chemistry, but freeze damage is the hard stop. The Asheville closing guide sequences the work backward from that date.
How long is the swim season in Asheville?
Asheville averages 100 days a year with normal highs of 80°F or better — about 10 days later than the North Carolina median. The North Carolina season index ranks all 17 covered cities by the same metric.
How warm does pool water get in Asheville?
An unheated pool near Asheville typically peaks around 75°F in high summer and bottoms out near 38°F in winter, never quite reaching the 78°F comfort line without a heater or solar cover. The month-by-month curve above shows the whole cycle; the methodology page explains the ±5°F error bars.
Email me when Asheville hits the closing window
Data: NOAA 1991–2020 climate normals via Asheville (1.7 mi); live outlook by Open-Meteo. Attribution: sources · assumptions: methodology.