Pool swim season in Valley Stream, NY
Swim season in Valley Stream without a heater, and with one
An unheated pool in Valley Stream reaches 78°F in Aug, about 1 month a year. The air allows up to 4 swimmable months with a heater (Jun to Sep).
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What each heater buys you in Valley Stream
| Option | Months | Swimmable | Energy/yr | All-in/yr |
|---|---|---|---|---|
| No heater | 1 | Aug | $0 | $0 |
| Solar cover only | 3 | Jul to Sep | $0 | $50 |
| Solar panels + cover | 4 | Jun to Sep | $0 | $283 |
| Heat pump + cover | 4 | Jun to Sep | $101 | $651 |
| Gas heater + cover | 4 | Jun to Sep | $129 | $554 |
For a 450 sq ft pool held at 80°F, at NY prices of 29.3¢/kWh electricity and $18/Mcf gas. All-in spreads the purchase over the equipment's life.
The cheapest way to the full season in Valley Stream
Solar cover only: 3 of 4 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: Jfk International Airport, 3.6 mi away (NOAA 1991–2020 normals). Water temperature is estimated from air and sunshine, not measured.
Valley Stream 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 | 40° | 33° | 1.9 | 34° | 40° | – | – |
| Feb | 42° | 35° | 2.8 | 33° | 39° | – | – |
| Mar | 49° | 41° | 3.8 | 39° | 45° | – | – |
| Apr | 59° | 51° | 5.0 | 48° | 54° | – | – |
| May | 68° | 61° | 5.6 | 58° | 64° | – | – |
| Jun | 78° | 70° | 6.1 | 69° | 75° | $87 | $112 |
| Jul | 84° | 76° | 6.2 | 76° | 82° | – | – |
| Aug | 82° | 75° | 5.5 | 78° | 84° | – | – |
| Sep | 76° | 68° | 4.4 | 73° | 79° | $14 | $17 |
| Oct | 65° | 57° | 3.0 | 63° | 69° | – | – |
| Nov | 54° | 47° | 2.1 | 51° | 57° | – | – |
| Dec | 45° | 38° | 1.6 | 41° | 47° | – | – |
Heating costs most in Jun (about $87 with a heat pump, $112 with gas). Sunshine peaks in Jul at 6.2 kWh/m²/day (NASA satellite data, 25.2 km grid cell). Highlighted months are swimmable with no heater.
How Valley Stream compares with nearby cities
Valley Stream ranks 12 of 90 New York cities for unheated swim months, and no nearby city gets a longer unheated season.
| City | Distance | Unheated months | Heat pump months | Heat pump $/yr |
|---|---|---|---|---|
| Lynbrook, NY | 2 mi | 0 | 4 | $143 |
| East Rockaway, NY | 2 mi | 0 | 4 | $143 |
| Rockville Centre, NY | 4 mi | 0 | 4 | $143 |
| Floral Park, NY | 4 mi | 1 | 5 | $321 |
| New Hyde Park, NY | 5 mi | 1 | 5 | $321 |
| Garden City, NY | 5 mi | 1 | 5 | $321 |