Catalonia · Spain · 41.11° N · 1.15° E
Solar position in Vila-seca
Sun position, daylight and the best solar panel angle for Vila-seca — computed for 41.11° N, 1.15° E, 40 m above sea level.
The sun right now
Sun in Vila-seca today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:44 | sun 18° below horizon |
| Nautical dawn | 07:16 | 12° below |
| Civil dawn | 07:48 | 6° below |
| Sunrise | 08:16 | 105° ESE |
| Golden hour ends | 08:55 | sun 6° up |
| Solar noon | 13:39 | 37.1° high |
| Golden hour starts | 18:23 | sun 6° up |
| Sunset | 19:01 | 255° WSW |
| Civil dusk | 19:29 | 6° below |
| Nautical dusk | 20:01 | 12° below |
| Astronomical dusk | 20:33 | 18° below |
| Day length | 10 h 45 min | |
Sun path diagram for Vila-seca
Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.
- June solstice
- Equinox
- December solstice
- Today
On the June solstice the sun reaches 72.3° at solar noon in Vila-seca; on the December solstice only 25.5°. Sunrise swings from 57° ENE in June to 121° ESE in December — a 64° arc along the horizon.
Sunrise, sunset and sun height by month
Values for the 21st of each month, local clock time including daylight saving time.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 08:15 | 13:06 | 17:58 | 9 h 43 min | 29.1° |
| February | 07:41 | 13:09 | 18:36 | 10 h 55 min | 38.5° |
| March | 06:57 | 13:02 | 19:08 | 12 h 11 min | 49.3° |
| April | 07:07 | 13:54 | 20:41 | 13 h 34 min | 60.9° |
| May | 06:32 | 13:52 | 21:12 | 14 h 40 min | 69.1° |
| June | 06:23 | 13:57 | 21:31 | 15 h 08 min | 72.3° |
| July | 06:40 | 14:01 | 21:22 | 14 h 42 min | 69.3° |
| August | 07:10 | 13:58 | 20:45 | 13 h 35 min | 60.9° |
| September | 07:41 | 13:48 | 19:54 | 12 h 13 min | 49.5° |
| October | 08:13 | 13:39 | 19:05 | 10 h 52 min | 38.1° |
| November | 07:50 | 12:41 | 17:32 | 9 h 42 min | 28.9° |
| December | 08:17 | 12:53 | 17:29 | 9 h 13 min | 25.5° |
A year of daylight in Vila-seca
Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.
Best solar panel angle in Vila-seca
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
35°collects the most energy over a year: 1595 kWh per kWp.
66°gives the most in the darkest month — the one an off-grid system is sized for.
- Yearly energy
- Worst-month energy
| Tilt | kWh/kWp per year | Share of best year | December kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1344 | 84% | 1.43 | 4.1× |
| 15° | 1512 | 95% | 2.11 | 2.8× |
| 30° | 1590 | 100% | 2.65 | 2.1× |
| 35° year-round best | 1595 | 100% | 2.80 | 1.9× |
| 41° = latitude | 1587 | 100% | 2.94 | 1.8× |
| 45° | 1573 | 99% | 3.02 | 1.7× |
| 60° | 1465 | 92% | 3.20 | 1.4× |
| 66° off-grid best | 1398 | 88% | 3.22 | 1.4× |
| 70° | 1346 | 84% | 3.21 | 1.3× |
| 90° | 1016 | 64% | 2.95 | 1.8× |
A fixed array in Vila-seca produces the most over a year at 35°. The design month for an off-grid system is December: at 66° it makes 3.22 kWh per kWp a day, 15% more than at 35°, and costs 12% of the yearly total. Why steep panels win winter.
Off-grid solar in Vila-seca at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 35° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 35° | Mean temp. |
|---|---|---|---|---|---|
| January | 2.10 | 3.97 | 3.48 | 3.11 | 8.3 °C |
| February | 3.06 | 4.59 | 4.02 | 3.92 | 8.7 °C |
| March | 4.35 | 4.92 | 4.26 | 4.69 | 11.2 °C |
| April | 5.46 | 4.53 | 3.87 | 4.97 | 13.9 °C |
| May | 6.51 | 4.22 | 3.55 | 5.22 | 17.5 °C |
| June | 7.27 | 4.09 | 3.37 | 5.39 | 22.2 °C |
| July | 7.22 | 4.26 | 3.47 | 5.41 | 24.9 °C |
| August | 6.23 | 4.61 | 3.78 | 5.17 | 24.9 °C |
| September | 4.80 | 4.79 | 3.98 | 4.65 | 21.5 °C |
| October | 3.41 | 4.54 | 3.84 | 3.92 | 17.7 °C |
| November | 2.29 | 4.00 | 3.45 | 3.17 | 12.3 °C |
| December | 1.82 | 3.67 | 3.21 | 2.80 | 9.0 °C |
| Year | 4.55 avg | 4.35 avg | 1346 kWh | 1595 kWh |
Sizing example. To run a 1 kWh-per-day load through December on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 370 Wp of panels at 70°, versus 420 Wp at 35°. The steep array is 13% smaller for the same winter. Size your own system.
Row spacing in Vila-seca
Distance between rows of 2 m long panels (slope length) so that no row shades the next between 10:00 and 14:00 solar time on the winter solstice.
5.3 mrow pitch at 70°
4.4 mrow pitch at 35°
How Vila-seca compares in Spain
Against the other 543 places in Spain with climate data, for a fixed array at its best angle.
355thof 544 places in Spain for sunshine, shared: 4.55 peak sun hours a day on flat ground.
±0%solar energy a year compared with the average place in Spain: 1,595 against 1,601 kWh per kWp.
+5 mindaylight on the longest day, compared with Madrid: 15 h 08 min against 15 h 04 min.
35°best year-round tilt here; across Spain it runs from 24° in Arona to 36° in Girona.
Of the 544 places in Spain, Playa del Ingles and one other place get the most sun (5.53 peak sun hours a day) and Santander the least (3.65); Vila-seca ranks joint 355th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 3.21 kWh a day here, against 3.03 kWh on average in Spain. The shortest day lasts 9 h 13 min, −4 min compared with Madrid.
Solar forecast for Vila-seca, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
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Questions about the sun in Vila-seca
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A free, live card for Vila-seca: where the sun is right now on today's path, a countdown to sunset or sunrise, the daylight change, the moon phase at night and the best panel angle.
Sun positions: NREL Solar Position Algorithm. Climate: NASA POWER monthly climatology (NASA Langley Research Center). Forecast: Deutscher Wetterdienst, ICON-EU (CC BY 4.0), processed. Places: GeoNames (CC BY 4.0). Time zones: IANA. Sources and licences.