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Solar panels in Miami, Florida
Miami receives 4.93 peak sun hours a day and 1,798 kWh/m² of solar energy a year. That is measured satellite data for Miami's coordinates, not a national average — and it changes the panel count.
Miami solar data
4.93peak sun hours/day
1,798annual irradiance (kWh/m²)
1.63kWh/day from one 400 W panel
594kWh/year from one 400 W panel
Monthly solar irradiance in Miami
| Month | Peak sun hours/day | Share of year |
|---|---|---|
| January | 3.17 | 0.3 |
| February | 4.43 | 0.4 |
| March | 5.21 | 0.4 |
| April | 6.59 | 0.5 |
| May | 6.83 | 0.6 |
| June | 5.46 | 0.5 |
| July | 6.02 | 0.5 |
| August | 5.06 | 0.4 |
| September | 4.94 | 0.4 |
| October | 3.92 | 0.3 |
| November | 3.87 | 0.3 |
| December | 3.48 | 0.3 |
Source: NASA POWER daily point API, parameter ALLSKY_SFC_SW_DWN (global horizontal irradiance), year 2024. Coordinates 25.7617, -80.1918.
How many solar panels does Miami need?
For a typical US household using 900 kWh a month, Miami needs about 19 panels of 400 W (7.37 kWp), with a south-facing roof. That is fewer panels than the same household would need in a city with 4.5 peak sun hours.