Pool swim season in Havelock, NC
When can you swim in an outdoor pool in Havelock, NC?
An unheated pool in Havelock 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).
- J
- F
- M
- A
- M
- J
- J
- A
- S
- O
- N
- D
What each heater buys you in Havelock
| 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 | $163 | $713 |
| Gas heater + cover | 7 | Apr to Oct | $359 | $784 |
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 Havelock
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: Cherry Point Mcas, 1.1 mi away (NOAA 1991–2020 normals). Water temperature is estimated from air and sunshine, not measured.
Havelock 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 | 57° | 47° | 2.5 | 48° | 54° | – | – |
| Feb | 60° | 49° | 3.3 | 48° | 54° | – | – |
| Mar | 66° | 55° | 4.4 | 53° | 59° | – | – |
| Apr | 74° | 63° | 5.6 | 61° | 67° | $112 | $240 |
| May | 81° | 71° | 6.2 | 70° | 76° | $31 | $74 |
| Jun | 87° | 78° | 6.4 | 78° | 84° | – | – |
| Jul | 90° | 81° | 6.1 | 83° | 89° | – | – |
| Aug | 89° | 80° | 5.5 | 83° | 89° | – | – |
| Sep | 84° | 76° | 4.5 | 80° | 86° | – | – |
| Oct | 76° | 66° | 3.8 | 72° | 78° | $20 | $45 |
| Nov | 67° | 56° | 2.8 | 61° | 67° | – | – |
| Dec | 60° | 50° | 2.3 | 52° | 58° | – | – |
Heating costs most in Apr (about $112 with a heat pump, $240 with gas). Sunshine peaks in Jun at 6.4 kWh/m²/day (NASA satellite data, 58.3 km grid cell). Highlighted months are swimmable with no heater.
How Havelock compares with nearby cities
Havelock ranks 6 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 |
|---|---|---|---|---|
| New Bern, NC | 16 mi | 3 | 7 | $205 |
| Jacksonville, NC | 31 mi | 3 | 7 | $171 |
| Kinston, NC | 47 mi | 3 | 7 | $176 |
| Winterville, NC | 51 mi | 2 | 7 | $215 |
| Greenville, NC | 55 mi | 2 | 7 | $215 |
| Goldsboro, NC | 69 mi | 3 | 7 | $180 |