Pool swim season in Mount Dora, FL
When can you swim in an outdoor pool in Mount Dora, FL?
An unheated pool in Mount Dora reaches 78°F in Jun to Oct, about 5 months a year. The air allows up to 12 swimmable months with a heater (all year).
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What each heater buys you in Mount Dora
| 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 | 9 | Mar to Nov | $0 | $283 |
| Heat pump + cover | 12 | all year | $514 | $1,064 |
| Gas heater + cover | 12 | all year | $1,631 | $2,056 |
For a 450 sq ft pool held at 80°F, at FL prices of 15.3¢/kWh electricity and $25/Mcf gas. All-in spreads the purchase over the equipment's life.
The cheapest way to the full season in Mount Dora
Heat pump + cover: 12 of 12 possible months for about $1,064 a year all-in, which works out near $152 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: Mt Plymouth 1SSW, 5.9 mi away (NOAA 1991–2020 normals). Water temperature is estimated from air and sunshine, not measured.
Mount Dora 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 | 71° | 58° | 3.5 | 60° | 66° | $141 | $425 |
| Feb | 74° | 61° | 4.1 | 60° | 66° | $131 | $410 |
| Mar | 79° | 64° | 5.2 | 65° | 71° | $83 | $275 |
| Apr | 83° | 70° | 6.1 | 70° | 76° | $32 | $113 |
| May | 89° | 76° | 6.5 | 76° | 82° | – | – |
| Jun | 91° | 81° | 5.8 | 81° | 87° | – | – |
| Jul | 93° | 83° | 5.7 | 85° | 91° | – | – |
| Aug | 92° | 82° | 5.4 | 85° | 91° | – | – |
| Sep | 90° | 80° | 4.9 | 83° | 89° | – | – |
| Oct | 84° | 74° | 4.4 | 78° | 84° | – | – |
| Nov | 78° | 66° | 3.6 | 71° | 77° | $30 | $102 |
| Dec | 73° | 61° | 3.1 | 64° | 70° | $97 | $306 |
Heating costs most in Jan (about $141 with a heat pump, $425 with gas). Sunshine peaks in May at 6.5 kWh/m²/day (NASA satellite data, 37.2 km grid cell). Highlighted months are swimmable with no heater.
How Mount Dora compares with nearby cities
Mount Dora ranks 128 of 173 Florida cities for unheated swim months; Tavares, Groveland, Minneola nearby get a longer season without a heater.
| City | Distance | Unheated months | Heat pump months | Heat pump $/yr |
|---|---|---|---|---|
| Eustis, FL | 4 mi | 4 | 10 | $310 |
| Tavares, FL | 8 mi | 6 | 11 | $285 |
| Apopka, FL | 10 mi | 5 | 12 | $514 |
| Groveland, FL | 15 mi | 6 | 11 | $285 |
| Minneola, FL | 16 mi | 6 | 12 | $340 |
| Ocoee, FL | 17 mi | 5 | 12 | $393 |