Catalonia · Spain · 41.22° N · 1.73° E
Solar position in Vilanova i la Geltrú
Sun position, daylight and the best solar panel angle for Vilanova i la Geltrú — computed for 41.22° N, 1.73° E, 25 m above sea level.
The sun right now
Sun in Vilanova i la Geltrú today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:42 | sun 18° below horizon |
| Nautical dawn | 07:14 | 12° below |
| Civil dawn | 07:46 | 6° below |
| Sunrise | 08:14 | 105° ESE |
| Golden hour ends | 08:53 | sun 6° up |
| Solar noon | 13:37 | 36.9° high |
| Golden hour starts | 18:20 | sun 6° up |
| Sunset | 18:59 | 255° WSW |
| Civil dusk | 19:27 | 6° below |
| Nautical dusk | 19:59 | 12° below |
| Astronomical dusk | 20:31 | 18° below |
| Day length | 10 h 44 min | |
Sun path diagram for Vilanova i la Geltrú
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 72.2° at solar noon in Vilanova i la Geltrú; on the December solstice only 25.4°. 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 | 08:13 | 13:04 | 17:55 | 9 h 43 min | 29.0° |
| February | 07:39 | 13:06 | 18:34 | 10 h 55 min | 38.3° |
| March | 06:55 | 13:00 | 19:06 | 12 h 11 min | 49.1° |
| April | 07:04 | 13:51 | 20:39 | 13 h 35 min | 60.7° |
| May | 06:29 | 13:49 | 21:10 | 14 h 41 min | 69.0° |
| June | 06:20 | 13:54 | 21:29 | 15 h 09 min | 72.2° |
| July | 06:38 | 13:59 | 21:20 | 14 h 42 min | 69.2° |
| August | 07:08 | 13:56 | 20:43 | 13 h 35 min | 60.8° |
| September | 07:39 | 13:45 | 19:52 | 12 h 13 min | 49.4° |
| October | 08:11 | 13:37 | 19:03 | 10 h 52 min | 38.0° |
| November | 07:48 | 12:38 | 17:29 | 9 h 41 min | 28.8° |
| December | 08:15 | 12:51 | 17:27 | 9 h 12 min | 25.4° |
A year of daylight in Vilanova i la Geltrú
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 Vilanova i la Geltrú
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: 1576 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° | 1330 | 84% | 1.43 | 4.1× |
| 15° | 1495 | 95% | 2.10 | 2.8× |
| 30° | 1571 | 100% | 2.65 | 2.1× |
| 35° year-round best | 1576 | 100% | 2.79 | 1.9× |
| 41° = latitude | 1568 | 100% | 2.94 | 1.8× |
| 45° | 1555 | 99% | 3.02 | 1.6× |
| 60° | 1448 | 92% | 3.19 | 1.4× |
| 66° off-grid best | 1382 | 88% | 3.21 | 1.4× |
| 70° | 1330 | 84% | 3.20 | 1.3× |
| 90° | 1005 | 64% | 2.94 | 1.8× |
A fixed array in Vilanova i la Geltrú produces the most over a year at 35°. The design month for an off-grid system is December: at 66° it makes 3.21 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 Vilanova i la Geltrú 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 | 2.09 | 3.94 | 3.45 | 3.08 | 8.7 °C |
| February | 3.01 | 4.48 | 3.91 | 3.82 | 9.0 °C |
| March | 4.31 | 4.87 | 4.21 | 4.63 | 11.3 °C |
| April | 5.39 | 4.48 | 3.83 | 4.91 | 13.9 °C |
| May | 6.45 | 4.20 | 3.53 | 5.18 | 17.3 °C |
| June | 7.23 | 4.09 | 3.37 | 5.37 | 21.9 °C |
| July | 7.15 | 4.24 | 3.46 | 5.37 | 24.6 °C |
| August | 6.17 | 4.58 | 3.75 | 5.13 | 24.7 °C |
| September | 4.71 | 4.70 | 3.90 | 4.55 | 21.5 °C |
| October | 3.35 | 4.43 | 3.74 | 3.82 | 17.9 °C |
| November | 2.27 | 3.94 | 3.40 | 3.12 | 12.7 °C |
| December | 1.82 | 3.67 | 3.20 | 2.79 | 9.4 °C |
| Year | 4.50 avg | 4.30 avg | 1330 kWh | 1576 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 Vilanova i la Geltrú
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°
4.5 mrow pitch at 35°
How Vilanova i la Geltrú compares in Spain
Against the other 543 places in Spain with climate data, for a fixed array at its best angle.
374thof 544 places in Spain for sunshine, shared: 4.50 peak sun hours a day on flat ground.
−2%solar energy a year compared with the average place in Spain: 1,576 against 1,601 kWh per kWp.
+5 mindaylight on the longest day, compared with Madrid: 15 h 09 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); Vilanova i la Geltrú ranks joint 374th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 3.20 kWh a day here, against 3.03 kWh on average in Spain. The shortest day lasts 9 h 12 min, −5 min compared with Madrid.
Solar forecast for Vilanova i la Geltrú, 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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A free, live card for Vilanova i la Geltrú: 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.