Pool swim season in Kenner, LA
Kenner, LA: how long the pool season really is
An unheated pool in Kenner 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).
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What each heater buys you in Kenner
| Option | Months | Swimmable | Energy/yr | All-in/yr |
|---|---|---|---|---|
| No heater | 5 | Jun to Oct | $0 | $0 |
| Solar cover only | 6 | May to Oct | $0 | $50 |
| Solar panels + cover | 8 | Apr to Nov | $0 | $283 |
| Heat pump + cover | 9 | Mar to Nov | $169 | $719 |
| Gas heater + cover | 9 | Mar to Nov | $443 | $868 |
For a 450 sq ft pool held at 80°F, at LA prices of 13.3¢/kWh electricity and $17/Mcf gas. All-in spreads the purchase over the equipment's life.
The cheapest way to the full season in Kenner
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: NEW Orleans Airport, 1.6 mi away (NOAA 1991–2020 normals). Water temperature is estimated from air and sunshine, not measured.
Kenner month by month: air, sun and pool water
| Month | Air high | Air avg | Sun kWh/m²/day | Water, unheated | Water, covered | Heat pump $ | Gas $ |
|---|---|---|---|---|---|---|---|
| Jan | 63° | 54° | 2.9 | 55° | 61° | – | – |
| Feb | 66° | 58° | 3.5 | 57° | 63° | – | – |
| Mar | 72° | 64° | 4.6 | 63° | 69° | $89 | $231 |
| Apr | 79° | 70° | 5.7 | 70° | 76° | $31 | $88 |
| May | 85° | 77° | 6.2 | 77° | 83° | – | – |
| Jun | 90° | 82° | 6.1 | 83° | 89° | – | – |
| Jul | 91° | 84° | 5.8 | 86° | 92° | – | – |
| Aug | 91° | 84° | 5.5 | 87° | 93° | – | – |
| Sep | 88° | 81° | 5.1 | 85° | 91° | – | – |
| Oct | 81° | 73° | 4.4 | 78° | 84° | – | – |
| Nov | 71° | 62° | 3.4 | 68° | 74° | $49 | $124 |
| Dec | 65° | 57° | 2.6 | 59° | 65° | – | – |
Heating costs most in Mar (about $89 with a heat pump, $231 with gas). Sunshine peaks in May at 6.2 kWh/m²/day (NASA satellite data, 59.3 km grid cell). Highlighted months are swimmable with no heater.
How Kenner compares with nearby cities
Kenner ranks 2 of 35 Louisiana cities for unheated swim months, and no nearby city gets a longer unheated season.
| City | Distance | Unheated months | Heat pump months | Heat pump $/yr |
|---|---|---|---|---|
| Gretna, LA | 14 mi | 4 | 9 | $176 |
| New Orleans, LA | 19 mi | 5 | 8 | $115 |
| Mandeville, LA | 27 mi | 4 | 8 | $183 |
| Covington, LA | 34 mi | 4 | 8 | $183 |
| Slidell, LA | 34 mi | 4 | 8 | $173 |
| Hammond, LA | 36 mi | 4 | 9 | $285 |