123 places · sun position · panel angle
Solar data for Cuba
Across the 123 places in Cuba the best fixed tilt for solar panels runs from 19° in Puerto Padre to 22° in Consolación del Sur, and flat ground gets 5.2 to 5.7 peak sun hours a day. Every number is computed for each place.
Solar power in Cuba at a glance
Averages over 123 places with climate data, for a fixed array facing south.
- 5.17–5.28
- 5.28–5.38
- 5.38–5.48
- 5.48–5.58
- 5.58–5.68
Peak sun hours a day on flat ground. Each dot is one place.
The sunniest place in Cuba is Niquero (Granma Province) with 5.68 peak sun hours a day on flat ground; the least sunny are Remedios and one other place with 5.17. A 1 kWp array at its best angle makes from 1,578 kWh a year in Caibarién to 1,725 kWh in Niquero — 1,639 kWh on average.
The best year-round tilt runs from 19° in Puerto Padre to 22° in Consolación del Sur. Off-grid systems are sized for the darkest month and do better steeper, at 26° on average: at 70° that month brings 1.75 kWh per kWp a day in Santiago de Cuba and 1.93 kWh in Varadero.
Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.
Sunniest places in Cuba
Ranked by peak sun hours on flat ground: the yearly average of a day's sunshine energy (NASA POWER climatology). Output: 1 kWp at its best year-round angle.
| Rank | Place | Region | Sun hours/day | kWh per kWp a year | Best tilt |
|---|---|---|---|---|---|
| 1 | Niquero | Granma Province | 5.68 | 1,725 | 20° |
| 2 | Media Luna | Granma Province | 5.66 | 1,719 | 20° |
| 2 | Pilón | Granma Province | 5.66 | 1,716 | 20° |
| 4 | Santa Cruz del Sur | Camagüey | 5.65 | 1,721 | 20° |
| 5 | Campechuela | Granma Province | 5.63 | 1,709 | 20° |
| 6 | Manzanillo | Granma Province | 5.58 | 1,695 | 20° |
| 7 | Amancio | Las Tunas Province | 5.57 | 1,694 | 20° |
| 7 | Bartolomé Masó | Granma Province | 5.57 | 1,690 | 20° |
| 7 | Maisí | Guantánamo Province | 5.57 | 1,686 | 19° |
| 10 | Trinidad | Sancti Spíritus Province | 5.56 | 1,698 | 21° |
Least sunny places in Cuba
| Rank | Place | Region | Sun hours/day | kWh per kWp a year | Best tilt |
|---|---|---|---|---|---|
| 117 | Sagua de Tánamo | Holguín Province | 5.26 | 1,597 | 20° |
| 120 | Encrucijada | Villa Clara Province | 5.24 | 1,601 | 21° |
| 121 | Camajuaní | Villa Clara Province | 5.21 | 1,590 | 21° |
| 122 | Caibarién | Villa Clara Province | 5.17 | 1,578 | 20° |
| 122 | Remedios | Villa Clara Province | 5.17 | 1,578 | 20° |
Solar by region in Cuba
Averages of the places in each region, sunniest first. Darkest month: what 1 kWp of off-grid panels at 70° makes a day in the worst month of the year.
| Region | Places | Sun hours/day | kWh per kWp a year | Best tilt | Darkest month at 70° | Sunniest place |
|---|---|---|---|---|---|---|
| Granma Province | 12 | 5.55 | 1,683 | 20° | 1.78 kWh | Niquero |
| Las Tunas Province | 6 | 5.46 | 1,659 | 20° | 1.84 kWh | Amancio |
| Camagüey | 10 | 5.45 | 1,659 | 20° | 1.83 kWh | Santa Cruz del Sur |
| Santiago de Cuba Province | 4 | 5.43 | 1,648 | 20° | 1.76 kWh | Santiago de Cuba |
| Sancti Spíritus Province | 8 | 5.43 | 1,658 | 21° | 1.85 kWh | Trinidad |
| Guantánamo Province | 4 | 5.42 | 1,642 | 20° | 1.78 kWh | Maisí |
| Isla de la Juventud | 1 | 5.39 | 1,648 | 21° | 1.82 kWh | Nueva Gerona |
| Ciego de Ávila Province | 8 | 5.39 | 1,645 | 21° | 1.88 kWh | Venezuela |
| Cienfuegos Province | 8 | 5.39 | 1,646 | 21° | 1.86 kWh | Cienfuegos |
| Holguín Province | 9 | 5.35 | 1,623 | 20° | 1.82 kWh | Gibara |
| Artemisa | 9 | 5.33 | 1,631 | 21° | 1.87 kWh | Güira de Melena |
| Mayabeque | 7 | 5.31 | 1,625 | 21° | 1.89 kWh | La Salud |
| Matanzas Province | 11 | 5.31 | 1,623 | 21° | 1.89 kWh | Colón |
| Havana | 8 | 5.31 | 1,622 | 21° | 1.91 kWh | Santiago de las Vegas |
| Pinar del Río | 6 | 5.29 | 1,617 | 21° | 1.83 kWh | Guane |
| Villa Clara Province | 12 | 5.27 | 1,609 | 21° | 1.88 kWh | Manicaragua |
Largest places in Cuba at a glance
| Place | Latitude | Best tilt | Off-grid tilt | Sun hours/day (flat) |
|---|---|---|---|---|
| Havana | 23.1° N | 21° | 30° | 5.30 |
| Santiago de Cuba | 20.0° N | 20° | 22° | 5.48 |
| Camagüey | 21.4° N | 20° | 25° | 5.43 |
| Holguín | 20.9° N | 20° | 27° | 5.38 |
| Guantánamo | 20.1° N | 20° | 24° | 5.42 |
| Santa Clara | 22.4° N | 21° | 28° | 5.28 |
| Arroyo Naranjo | 23.0° N | 21° | 29° | 5.31 |
| Las Tunas | 21.0° N | 20° | 26° | 5.44 |
| Bayamo | 20.4° N | 20° | 24° | 5.46 |
| Pinar del Río | 22.4° N | 21° | 23° | 5.28 |
| Cienfuegos | 22.1° N | 21° | 25° | 5.46 |
| Fontanar | 23.0° N | 21° | 29° | 5.31 |
| San Miguel del Padrón | 23.1° N | 21° | 30° | 5.31 |
| Matanzas | 23.0° N | 21° | 30° | 5.30 |
| Ciego de Ávila | 21.8° N | 21° | 25° | 5.43 |
| Manzanillo | 20.3° N | 20° | 22° | 5.58 |
| Sancti Spíritus | 21.9° N | 21° | 25° | 5.44 |
| Guanabacoa | 23.1° N | 21° | 30° | 5.30 |
| Palma Soriano | 20.2° N | 20° | 23° | 5.42 |
| Cárdenas | 23.0° N | 21° | 30° | 5.31 |
Daylight and clock time in Cuba
In Cojímar (23.2° N), the northernmost place, the longest day of the year lasts 13 h 34 min and the shortest 10 h 43 min; in Pilón (19.9° N), the southernmost, 13 h 20 min and 10 h 56 min. The clocks change twice a year: forward on Sun 8 Mar, back on Sun 1 Nov (America/Havana).
| Time zone | Places | UTC offset | Clocks change in 2026 |
|---|---|---|---|
| America/Havana | 123 | UTC−5, in summer UTC−4 | Forward on Sun 8 Mar, back on Sun 1 Nov |