Peak Sun Hours in Almería, Andalusia, Spain
- Solar zone
- Zone 4 (excellent)
- Best month
- June (7.6)
- Worst month
- December (2.5)
- Climate
- Temperate · 16.2°C
Monthly solar breakdown
| Month | GHI | Clear-sky | DNI | DHI | Temp °C | Humid % |
|---|---|---|---|---|---|---|
| Jan | 2.75 | 3.35 | 4.60 | 0.98 | 8.4 | 73 |
| Feb | 3.67 | 4.39 | 5.12 | 1.25 | 8.9 | 71 |
| Mar | 4.83 | 5.78 | 5.49 | 1.68 | 11.3 | 67 |
| Apr | 5.94 | 7.02 | 5.76 | 2.11 | 13.9 | 63 |
| May | 6.96 | 7.86 | 6.48 | 2.31 | 17.7 | 56 |
| Jun | 7.61 | 8.10 | 7.16 | 2.32 | 22.6 | 48 |
| Jul | 7.34 | 7.71 | 6.49 | 2.42 | 25.7 | 44 |
| Aug | 6.59 | 6.98 | 6.14 | 2.17 | 25.5 | 50 |
| Sep | 5.27 | 5.88 | 5.29 | 1.87 | 21.5 | 61 |
| Oct | 3.98 | 4.64 | 4.88 | 1.43 | 17.4 | 67 |
| Nov | 2.89 | 3.54 | 4.41 | 1.06 | 11.9 | 72 |
| Dec | 2.46 | 2.99 | 4.31 | 0.91 | 9.2 | 75 |
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 2.46 kWh/m²/day, 0.77 system efficiency.
About solar in Almería
Almería, Spain has a temperate climate with meaningful seasonal variation in solar resource. Its annual peak sun hours average 5.02 kWh/m²/day, a excellent solar resource by global standards.
The strongest month in Almería is June (summer) at 7.61 kWh/m²/day, and the weakest is December (winter) at 2.46 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.
Almería'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 Almería?
- Almería averages 5.02 peak sun hours per day annually, ranging from 2.46 in December to 7.61 in June.
- How many solar panels do I need in Almería?
- Panel count depends on your daily load. At Almería's annual average of 5.02 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 Almería?
- Sizing against Almería's worst month (December, 2.46 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 Almería's solar resource compare globally?
- Almería sits in solar zone 4 out of 5 (where 5 is strongest) at 5.02 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 much does winter reduce solar output in Almería?
- Almería's worst month (December) delivers 2.46 kWh/m²/day — about 32% of the summer peak of 7.61. Off-grid systems here typically oversize 1.5–2× or pair with a backup source.
- Do cloudy days significantly affect Almería's solar?
- Partly. Diffuse light still produces 10–25% of clear-sky output. Almería's 5.02 kWh/m²/day already reflects average cloudiness, so no further derating is needed for sizing.
- What panel tilt works best in Almería?
- At Almería's latitude (37°), a fixed tilt near 37° balances year-round yield. Winter-heavy loads favor latitude + 15°; summer-heavy, latitude − 15°.