Pool swim season in Goldsboro, NC
Swim season in Goldsboro without a heater, and with one
An unheated pool in Goldsboro 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).
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What each heater buys you in Goldsboro
| Option | Months | Swimmable | Energy/yr | All-in/yr |
|---|---|---|---|---|
| No heater | 3 | Jul to Sep | $0 | $0 |
| Solar cover only | 4 | Jun to Sep | $0 | $50 |
| Solar panels + cover | 6 | May to Oct | $0 | $283 |
| Heat pump + cover | 7 | Apr to Oct | $180 | $730 |
| Gas heater + cover | 7 | Apr to Oct | $393 | $818 |
For a 450 sq ft pool held at 80°F, at NC prices of 14.9¢/kWh electricity and $16/Mcf gas. All-in spreads the purchase over the equipment's life.
The cheapest way to the full season in Goldsboro
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: Goldsboro 4 SE, 2.4 mi away (NOAA 1991–2020 normals). Water temperature is estimated from air and sunshine, not measured.
Goldsboro 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 | 54° | 44° | 2.6 | 46° | 52° | – | – |
| Feb | 58° | 47° | 3.3 | 46° | 52° | – | – |
| Mar | 65° | 54° | 4.4 | 52° | 58° | – | – |
| Apr | 75° | 63° | 5.6 | 61° | 67° | $114 | $244 |
| May | 82° | 71° | 6.1 | 70° | 76° | $33 | $78 |
| Jun | 88° | 78° | 6.4 | 78° | 84° | – | – |
| Jul | 91° | 81° | 6.2 | 83° | 89° | – | – |
| Aug | 89° | 80° | 5.5 | 83° | 89° | – | – |
| Sep | 83° | 75° | 4.6 | 79° | 85° | – | – |
| Oct | 75° | 64° | 3.7 | 70° | 76° | $33 | $71 |
| Nov | 66° | 54° | 2.9 | 59° | 65° | – | – |
| Dec | 57° | 47° | 2.3 | 50° | 56° | – | – |
Heating costs most in Apr (about $114 with a heat pump, $244 with gas). Sunshine peaks in Jun at 6.4 kWh/m²/day (NASA satellite data, 44.8 km grid cell). Highlighted months are swimmable with no heater.
How Goldsboro compares with nearby cities
Goldsboro ranks 3 of 91 North Carolina cities for unheated swim months, and no nearby city gets a longer unheated season.
| City | Distance | Unheated months | Heat pump months | Heat pump $/yr |
|---|---|---|---|---|
| Kinston, NC | 22 mi | 3 | 7 | $176 |
| Smithfield, NC | 24 mi | 2 | 7 | $236 |
| Wilson, NC | 25 mi | 2 | 7 | $236 |
| Clayton, NC | 33 mi | 2 | 7 | $284 |
| Winterville, NC | 34 mi | 2 | 7 | $215 |
| Wendell, NC | 36 mi | 2 | 7 | $266 |