Pool swim season in North Miami Beach, FL
When can you swim in an outdoor pool in North Miami Beach, FL?
An unheated pool in North Miami Beach reaches 78°F in May to Oct, about 6 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 North Miami Beach
| Option | Months | Swimmable | Energy/yr | All-in/yr |
|---|---|---|---|---|
| No heater | 6 | May to Oct | $0 | $0 |
| Solar cover only | 9 | Mar to Nov | $0 | $50 |
| Solar panels + cover | 12 | all year | $0 | $283 |
| Heat pump + cover | 12 | all year | $108 | $658 |
| Gas heater + cover | 12 | all year | $376 | $801 |
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 North Miami Beach
Solar panels + cover: 12 of 12 possible months for about $283 a year all-in, which works out near $47 for each month it adds.
Before you pay for any heater, buy a solar cover: on its own it adds 3 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: N Miami Beach #2, 3.4 mi away (NOAA 1991–2020 normals). Water temperature is estimated from air and sunshine, not measured.
North Miami Beach 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 | 75° | 67° | 3.7 | 69° | 75° | $42 | $145 |
| Feb | 77° | 69° | 4.5 | 70° | 76° | $38 | $133 |
| Mar | 79° | 71° | 5.5 | 73° | 79° | $11 | $39 |
| Apr | 83° | 75° | 6.2 | 77° | 83° | – | – |
| May | 85° | 79° | 6.2 | 80° | 86° | – | – |
| Jun | 88° | 82° | 5.7 | 83° | 89° | – | – |
| Jul | 90° | 83° | 5.9 | 85° | 91° | – | – |
| Aug | 90° | 83° | 5.6 | 86° | 92° | – | – |
| Sep | 89° | 82° | 5.0 | 85° | 91° | – | – |
| Oct | 86° | 79° | 4.5 | 82° | 88° | – | – |
| Nov | 81° | 73° | 3.9 | 77° | 83° | – | – |
| Dec | 77° | 70° | 3.4 | 72° | 78° | $17 | $59 |
Heating costs most in Jan (about $42 with a heat pump, $145 with gas). Sunshine peaks in May at 6.2 kWh/m²/day (NASA satellite data, 58.4 km grid cell). Highlighted months are swimmable with no heater.
How North Miami Beach compares with nearby cities
North Miami Beach ranks 102 of 173 Florida cities for unheated swim months, and no nearby city gets a longer unheated season.
| City | Distance | Unheated months | Heat pump months | Heat pump $/yr |
|---|---|---|---|---|
| North Miami, FL | 2 mi | 6 | 12 | $108 |
| Sunny Isles Beach, FL | 3 mi | 6 | 12 | $108 |
| Aventura, FL | 3 mi | 6 | 12 | $100 |
| West Park, FL | 4 mi | 6 | 12 | $108 |
| Hallandale Beach, FL | 4 mi | 6 | 12 | $100 |
| Miami Shores, FL | 4 mi | 6 | 12 | $99 |