Pool swim season in Corpus Christi, TX

Swim season in Corpus Christi without a heater, and with one

An unheated pool in Corpus Christi reaches 78°F in Jun to Oct, about 5 months a year. The air allows up to 9 swimmable months with a heater (Mar to Nov).

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

What each heater buys you in Corpus Christi

For a 450 sq ft pool held at 80°F, at TX prices of 16.0¢/kWh electricity and $19/Mcf gas. All-in spreads the purchase over the equipment's life.

The cheapest way to the full season in Corpus Christi

Solar panels + cover: 8 of 9 possible months for about $283 a year all-in, which works out near $94 for each month it adds.

Before you pay for any heater, buy a solar cover: on its own it adds 1 month 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: Port Aransas 11 SSW, 3.9 mi away (NOAA 1991–2020 normals). Water temperature is estimated from air and sunshine, not measured.

Corpus Christi month by month: air, sun and pool water

Heating costs most in Mar (about $101 with a heat pump, $243 with gas). Sunshine peaks in Jun at 6.6 kWh/m²/day (NASA satellite data, 42.8 km grid cell). Highlighted months are swimmable with no heater.

How Corpus Christi compares with nearby cities

Corpus Christi ranks 47 of 252 Texas cities for unheated swim months; Portland, Rockport, Robstown nearby get a longer season without a heater.