Peak Sun Hours in Sevilla, Andalusia, Spain
- Solar zone
- Zone 4 (excellent)
- Best month
- July (7.9)
- Worst month
- December (2.3)
- Climate
- Temperate · 18.0°C
Monthly solar breakdown
| Month | GHI | Clear-sky | DNI | DHI | Temp °C | Humid % |
|---|---|---|---|---|---|---|
| Jan | 2.59 | 3.24 | 4.44 | 0.92 | 9.0 | 82 |
| Feb | 3.44 | 4.32 | 4.78 | 1.26 | 10.0 | 78 |
| Mar | 4.58 | 5.77 | 4.96 | 1.80 | 12.7 | 74 |
| Apr | 5.68 | 7.12 | 5.15 | 2.34 | 15.6 | 69 |
| May | 6.86 | 8.05 | 6.33 | 2.49 | 19.9 | 58 |
| Jun | 7.75 | 8.39 | 7.73 | 2.29 | 25.3 | 45 |
| Jul | 7.92 | 8.18 | 8.62 | 1.85 | 28.6 | 36 |
| Aug | 7.01 | 7.31 | 7.70 | 1.79 | 28.6 | 37 |
| Sep | 5.38 | 6.04 | 5.90 | 1.77 | 24.3 | 51 |
| Oct | 3.87 | 4.64 | 4.91 | 1.39 | 19.1 | 66 |
| Nov | 2.79 | 3.46 | 4.50 | 0.98 | 12.8 | 76 |
| Dec | 2.32 | 2.88 | 4.26 | 0.83 | 9.8 | 81 |
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 2.32 kWh/m²/day, 0.77 system efficiency.
About solar in Sevilla
Sevilla, 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 Sevilla is July (summer) at 7.92 kWh/m²/day, and the weakest is December (winter) at 2.32 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.
Sevilla'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 Sevilla?
- Sevilla averages 5.02 peak sun hours per day annually, ranging from 2.32 in December to 7.92 in July.
- How many solar panels do I need in Sevilla?
- Panel count depends on your daily load. At Sevilla'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 Sevilla?
- Sizing against Sevilla's worst month (December, 2.32 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 Sevilla's solar resource compare globally?
- Sevilla 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 Sevilla?
- Sevilla's worst month (December) delivers 2.32 kWh/m²/day — about 29% of the summer peak of 7.92. Off-grid systems here typically oversize 1.5–2× or pair with a backup source.
- Do cloudy days significantly affect Sevilla's solar?
- Partly. Diffuse light still produces 10–25% of clear-sky output. Sevilla's 5.02 kWh/m²/day already reflects average cloudiness, so no further derating is needed for sizing.
- What panel tilt works best in Sevilla?
- At Sevilla's latitude (37°), a fixed tilt near 37° balances year-round yield. Winter-heavy loads favor latitude + 15°; summer-heavy, latitude − 15°.