Pool swim season in Jesup, GA
Jesup, GA: how long the pool season really is
An unheated pool in Jesup reaches 78°F in Jul to Sep, about 3 months a year. The air allows up to 9 swimmable months with a heater (Mar to Nov).
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Heater options for a Jesup pool, side by side
| Option | Months | Swimmable | Energy/yr | All-in/yr |
|---|---|---|---|---|
| No heater | 3 | Jul to Sep | $0 | $0 |
| Solar cover only | 5 | Jun to Oct | $0 | $50 |
| Solar panels + cover | 7 | Apr to Oct | $0 | $283 |
| Heat pump + cover | 9 | Mar to Nov | $423 | $973 |
| Gas heater + cover | 9 | Mar to Nov | $1,044 | $1,469 |
For a 450 sq ft pool held at 80°F, at GA prices of 15.5¢/kWh electricity and $20/Mcf gas. All-in spreads the purchase over the equipment's life.
The cheapest way to the full season in Jesup
Heat pump + cover: 9 of 9 possible months for about $973 a year all-in, which works out near $162 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 a heat pump sized to your pool's surface area; here it beats gas all-in (heat pump or gas).
Weather station: Jesup 8 S, 6.3 mi away (NOAA 1991–2020 normals). Water temperature is estimated from air and sunshine, not measured.
Jesup 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 | 62° | 48° | 3.0 | 50° | 56° | – | – |
| Feb | 67° | 52° | 3.6 | 51° | 57° | – | – |
| Mar | 72° | 57° | 4.8 | 57° | 63° | $173 | $412 |
| Apr | 79° | 65° | 5.9 | 64° | 70° | $91 | $239 |
| May | 85° | 71° | 6.5 | 71° | 77° | $22 | $63 |
| Jun | 90° | 78° | 6.2 | 78° | 84° | – | – |
| Jul | 93° | 81° | 6.2 | 83° | 89° | – | – |
| Aug | 91° | 80° | 5.6 | 83° | 89° | – | – |
| Sep | 86° | 75° | 4.8 | 79° | 85° | – | – |
| Oct | 80° | 66° | 4.1 | 72° | 78° | $17 | $47 |
| Nov | 72° | 57° | 3.3 | 62° | 68° | $120 | $283 |
| Dec | 65° | 51° | 2.6 | 54° | 60° | – | – |
Heating costs most in Mar (about $173 with a heat pump, $412 with gas). Sunshine peaks in May at 6.5 kWh/m²/day (NASA satellite data, 38.9 km grid cell). Highlighted months are swimmable with no heater.
How Jesup compares with nearby cities
Jesup ranks 35 of 101 Georgia cities for unheated swim months; Hinesville, Waycross, Richmond Hill nearby get a longer season without a heater.
| City | Distance | Unheated months | Heat pump months | Heat pump $/yr |
|---|---|---|---|---|
| Hinesville, GA | 23 mi | 4 | 9 | $283 |
| Waycross, GA | 38 mi | 4 | 9 | $318 |
| Richmond Hill, GA | 40 mi | 4 | 9 | $309 |
| Brunswick, GA | 41 mi | 4 | 8 | $186 |
| Savannah, GA | 50 mi | 4 | 9 | $312 |
| Pooler, GA | 52 mi | 4 | 9 | $312 |