Pool swim season in Zephyrhills, FL

Zephyrhills, FL: how long the pool season really is

An unheated pool in Zephyrhills reaches 78°F in Jun to Oct, about 5 months a year. The air allows up to 12 swimmable months with a heater (all year).

1. J
2. F
3. M
4. A
5. M
6. J
7. J
8. A
9. S
10. O
11. N
12. D

Heater options for a Zephyrhills pool, side by side

For a 450 sq ft pool held at 80°F, at FL prices of 15.3¢/kWh electricity and $25/Mcf gas. All-in spreads the purchase over the equipment's life.

The cheapest way to the full season in Zephyrhills

Heat pump + cover: 12 of 12 possible months for about $968 a year all-in, which works out near $138 for each month it adds.

Before you pay for any heater, buy a solar cover: on its own it adds 2 months here for about $50 a year (why a cover comes first). If you get quotes, ask for a heat pump sized to your pool's surface area; here it beats gas all-in (heat pump or gas).

Weather station: Saint Leo, 8.3 mi away (NOAA 1991–2020 normals). Water temperature is estimated from air and sunshine, not measured.

Zephyrhills month by month: air, sun and pool water

Heating costs most in Jan (about $121 with a heat pump, $374 with gas). Sunshine peaks in May at 6.7 kWh/m²/day (NASA satellite data, 42.6 km grid cell). Highlighted months are swimmable with no heater.

How Zephyrhills compares with nearby cities

Zephyrhills ranks 150 of 173 Florida cities for unheated swim months; Plant City, Temple Terrace, Lakeland nearby get a longer season without a heater.