Peak Sun Hours in Güira de Melena, Artemisa, Cuba
- Solar zone
- Zone 4 (excellent)
- Best month
- April (6.6)
- Worst month
- December (3.9)
- Climate
- Tropical · 26.3°C
Monthly solar breakdown
| Month | GHI | Clear-sky | DNI | DHI | Temp °C | Humid % |
|---|---|---|---|---|---|---|
| Jan | 4.15 | 4.91 | 5.16 | 1.38 | 22.4 | 74 |
| Feb | 4.98 | 5.74 | 5.69 | 1.54 | 23.5 | 72 |
| Mar | 5.99 | 6.70 | 6.22 | 1.77 | 24.5 | 68 |
| Apr | 6.57 | 7.31 | 6.22 | 1.99 | 26.5 | 65 |
| May | 6.30 | 7.54 | 5.23 | 2.23 | 27.8 | 67 |
| Jun | 5.81 | 7.49 | 3.94 | 2.52 | 28.5 | 73 |
| Jul | 6.24 | 7.45 | 4.58 | 2.46 | 29.0 | 72 |
| Aug | 6.00 | 7.20 | 4.64 | 2.30 | 29.1 | 73 |
| Sep | 5.36 | 6.64 | 4.41 | 2.10 | 28.3 | 76 |
| Oct | 4.78 | 5.83 | 4.72 | 1.73 | 27.1 | 76 |
| Nov | 4.26 | 5.05 | 5.13 | 1.42 | 24.8 | 75 |
| Dec | 3.92 | 4.60 | 5.09 | 1.30 | 23.6 | 76 |
GHI, Clear-sky, DNI, DHI in kWh/m²/day. Data: NASA POWER climatology (long-term monthly averages).
Off-grid calculator
Add appliances
- Add an appliance to size a system.
Sizing
- Daily load
- 0.00 kWh
- Panel wattage
- 0 W
- Panel count (400W modules)
- 0
- Battery bank
- 0.0 kWh
Sizing against worst-month PSH of 3.92 kWh/m²/day, 0.77 system efficiency.
About solar in Güira de Melena
Güira de Melena, Cuba has a warm, tropical climate with a distinct wet and dry season. Its annual peak sun hours average 5.36 kWh/m²/day, a excellent solar resource by global standards.
The strongest month in Güira de Melena is April (spring) at 6.57 kWh/m²/day, and the weakest is December (winter) at 3.92 kWh/m²/day. When sizing a year-round off-grid system, it's standard practice to design against the December value rather than the annual average — otherwise the battery bank runs low during the darkest weeks.
Güira de Melena's solar conditions are well within the range where off-grid PV is a straightforward engineering exercise with standard-sized arrays and lithium batteries.
FAQ
- What are the peak sun hours in Güira de Melena?
- Güira de Melena averages 5.36 peak sun hours per day annually, ranging from 3.92 in December to 6.57 in April.
- How many solar panels do I need in Güira de Melena?
- Panel count depends on your daily load. At Güira de Melena's annual average of 5.36 kWh/m²/day, a 5 kWh/day load needs roughly 4 × 400 W panels. Use the calculator above for your actual load.
- What size battery do I need in Güira de Melena?
- Sizing against Güira de Melena's worst month (December, 3.92 kWh/m²/day) with 2 days of autonomy at 80% depth of discharge, a 5 kWh/day load needs about a 12.5 kWh battery bank.
- How does Güira de Melena's solar resource compare globally?
- Güira de Melena sits in solar zone 4 out of 5 (where 5 is strongest) at 5.36 kWh/m²/day — excellent by global standards. For reference, top-tier desert sites average ~6.5 and high-latitude cities around 2.5 kWh/m²/day.
- How does the wet season affect solar generation in Güira de Melena?
- Güira de Melena's dry-season output peaks at 6.57 kWh/m²/day in April; the wet season drops it to 3.92 in December. That ~49% swing is a key sizing consideration.
- Can solar panels survive tropical storms in Güira de Melena?
- Most tier-1 PV panels are rated for 140+ mph wind loads; mounting hardware usually fails first. In cyclone-prone regions like Cuba, specify IEC 61215-certified panels and anchor-bolt mounts rather than ballasted.
- What's the dry-to-wet output gap in Güira de Melena?
- Güira de Melena swings from 6.57 kWh/m²/day in April (dry) to 3.92 in December (wet) — roughly 49%. Year-round off-grid systems must size against the wet-season minimum.