Pool swim season in Oklahoma City, OK

Swim season in Oklahoma City without a heater, and with one

An unheated pool in Oklahoma City reaches 78°F in Jul to Sep, about 3 months a year. The air allows up to 7 swimmable months with a heater (Apr to Oct).

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 Oklahoma City

For a 450 sq ft pool held at 80°F, at OK prices of 13.8¢/kWh electricity and $14/Mcf gas. All-in spreads the purchase over the equipment's life.

The cheapest way to the full season in Oklahoma City

Solar panels + cover: 6 of 7 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: Oklahoma Cy Will Rogers World, 7.3 mi away (NOAA 1991–2020 normals). Water temperature is estimated from air and sunshine, not measured.

Oklahoma City month by month: air, sun and pool water

Heating costs most in Apr (about $140 with a heat pump, $270 with gas). Sunshine peaks in Jun at 6.9 kWh/m²/day (NASA satellite data, 3.9 km grid cell). Highlighted months are swimmable with no heater.

How Oklahoma City compares with nearby cities

Oklahoma City ranks 34 of 45 Oklahoma cities for unheated swim months; Warr Acres, Bethany nearby get a longer season without a heater.