Pool swim season in Overland Park, KS

Overland Park, KS: how long the pool season really is

An unheated pool in Overland Park reaches 78°F in Jul to Aug, about 2 months a year. The air allows up to 5 swimmable months with a heater (May to Sep).

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12. D

What each heater buys you in Overland Park

For a 450 sq ft pool held at 80°F, at KS prices of 15.3¢/kWh electricity and $15/Mcf gas. All-in spreads the purchase over the equipment's life.

The cheapest way to the full season in Overland Park

Solar cover only: 4 of 5 possible months for about $50 a year all-in, which works out near $25 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 gas as well as a heat pump: once the purchase price is counted, gas comes out cheaper all-in here (heat pump or gas).

Weather station: Olathe 3E, 3.8 mi away (NOAA 1991–2020 normals). Water temperature is estimated from air and sunshine, not measured.

Overland Park month by month: air, sun and pool water

Heating costs most in May (about $102 with a heat pump, $198 with gas). Sunshine peaks in Jun at 6.6 kWh/m²/day (NASA satellite data, 46.3 km grid cell). Highlighted months are swimmable with no heater.

How Overland Park compares with nearby cities

Overland Park ranks 27 of 38 Kansas cities for unheated swim months, and no nearby city gets a longer unheated season.