Solarposition.org

Madrid · Spain · 40.33° N · 3.51° W

Solar position in Rivas-Vaciamadrid

Sun position, daylight and the best solar panel angle for Rivas-Vaciamadrid — computed for 40.33° N, 3.51° W, 570 m above sea level.

Sunrise today08:34105° ESE
Sunset today19:21255° WSW
Best panel angle34°year-round, facing south
Off-grid angle65°best for the darkest month

The sun right now

Azimuth180.0°
Elevation37.8°
At solar noon, 13:58Open on the sun map

Sun in Rivas-Vaciamadrid today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn07:03sun 18° below horizon
Nautical dawn07:3412° below
Civil dawn08:066° below
Sunrise08:34105° ESE
Golden hour ends09:12sun 6° up
Solar noon13:5837.8° high
Golden hour starts18:43sun 6° up
Sunset19:21255° WSW
Civil dusk19:496° below
Nautical dusk20:2012° below
Astronomical dusk20:5218° below
Day length10 h 47 min

Sun path diagram for Rivas-Vaciamadrid

Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.

15°30°45°60°75°N30°60°E120°150°S210°240°W300°330°June solstice789101112131415161718192021EquinoxDecember solstice91011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 73.1° at solar noon in Rivas-Vaciamadrid; on the December solstice only 26.3°. Sunrise swings from 58° ENE in June to 121° ESE in December — a 63° 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.

MonthSunriseSolar noonSunsetDay lengthNoon elevation
January08:3113:2518:199 h 47 min29.9°
February07:5913:2718:5610 h 57 min39.2°
March07:1613:2119:2712 h 11 min50.0°
April07:2714:1220:5913 h 32 min61.6°
May06:5214:1021:2814 h 36 min69.9°
June06:4414:1521:4715 h 03 min73.1°
July07:0114:2021:3814 h 37 min70.1°
August07:3014:1721:0213 h 32 min61.7°
September08:0014:0620:1312 h 12 min50.3°
October08:3113:5819:2510 h 54 min38.9°
November08:0612:5917:529 h 46 min29.7°
December08:3313:1217:509 h 18 min26.3°

A year of daylight in Rivas-Vaciamadrid

Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.

00:0003:0006:0009:0012:0015:0018:0021:0000:00JanFebMarAprMayJunJulAugSepOctNovDec

Best solar panel angle in Rivas-Vaciamadrid

Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

34°collects the most energy over a year: 1659 kWh per kWp.

65°gives the most in the darkest month — the one an off-grid system is sized for.

40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 34°Best worst-month 65°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°141085%1.564.0×
15°157995%2.312.7×
30°1655100%2.912.0×
34° year-round best1659100%3.041.9×
40° = latitude1651100%3.211.7×
45°163398%3.321.6×
60°151791%3.521.3×
65° off-grid best145888%3.531.3×
70°139084%3.521.3×
90°104263%3.231.8×

A fixed array in Rivas-Vaciamadrid produces the most over a year at 34°. The design month for an off-grid system is December: at 65° it makes 3.53 kWh per kWp a day, 16% more than at 34°, and costs 12% of the yearly total. Why steep panels win winter.

Off-grid solar in Rivas-Vaciamadrid at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 34° (year-round best).

01234567January: 3.60 (70°)3.6JanFebruary: 4.02 (70°)4.0FebMarch: 4.13 (70°)4.1MarApril: 3.87 (70°)3.9AprMay: 3.57 (70°)3.6MayJune: 3.41 (70°)3.4JunJuly: 3.61 (70°)3.6JulAugust: 4.03 (70°)4.0AugSeptember: 4.32 (70°)4.3SepOctober: 4.01 (70°)4.0OctNovember: 3.61 (70°)3.6NovDecember: 3.52 (70°)3.5Dec34°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 34°Mean temp.
January2.154.043.603.203.9 °C
February3.084.534.023.934.9 °C
March4.294.714.134.588.1 °C
April5.504.483.875.0011.3 °C
May6.604.223.575.3215.7 °C
June7.514.133.415.5721.6 °C
July7.814.423.615.8025.1 °C
August6.794.924.035.6124.7 °C
September5.205.164.325.0619.9 °C
October3.534.684.014.1014.2 °C
November2.364.103.613.297.7 °C
December1.943.963.523.044.5 °C
Year4.74 avg4.45 avg1390 kWh1659 kWh

Sizing example. To run a 1 kWh-per-day load through June on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 350 Wp of panels at 70°, versus 390 Wp at 34°. The steep array is 11% smaller for the same winter. Size your own system.

Row spacing in Rivas-Vaciamadrid

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.

5.1 mrow pitch at 70°

4.3 mrow pitch at 34°

Row spacing calculator

How Rivas-Vaciamadrid compares in Spain

Against the other 543 places in Spain with climate data, for a fixed array at its best angle.

244thof 544 places in Spain for sunshine, shared: 4.74 peak sun hours a day on flat ground.

+4%solar energy a year compared with the average place in Spain: 1,659 against 1,601 kWh per kWp.

−1 mindaylight on the longest day, compared with Madrid: 15 h 03 min against 15 h 04 min.

34°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); Rivas-Vaciamadrid ranks joint 244th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 3.41 kWh a day here, against 3.03 kWh on average in Spain. The shortest day lasts 9 h 18 min, +1 min compared with Madrid.

The sunniest places in Spain

Solar forecast for Rivas-Vaciamadrid, next 48 hours

Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.

Loading the latest forecast…

Questions about the sun in Rivas-Vaciamadrid

What is the best solar panel angle in Rivas-Vaciamadrid?
For a fixed array facing south, the best year-round tilt in Rivas-Vaciamadrid is 34°, worth about 1659 kWh per kWp a year. An off-grid system that has to get through December does better at about 65°.
What time is sunrise and sunset in Rivas-Vaciamadrid today?
On 24 October 2026 the sun rises at 08:34 and sets at 19:21 local time (UTC+2), giving 10 h 47 min of daylight. Solar noon is at 13:58.
How many peak sun hours does Rivas-Vaciamadrid get?
On a flat surface 4.7 hours a day averaged over the year, from 1.9 in December to 7.8 in July. Panels tilted at 70° receive 4.1 sun hours a day in June.
How high does the sun get in Rivas-Vaciamadrid?
At solar noon the sun stands 73.1° above the horizon on the June solstice and 26.3° on the December solstice.
Is Rivas-Vaciamadrid a good place for solar panels?
With 4.7 peak sun hours a day on flat ground, Rivas-Vaciamadrid ranks joint 244th of 544 places in Spain for sunshine. A 1 kWp array at the best angle (34°) makes about 1,659 kWh a year here, 4% more than the average place in Spain.

Places near Rivas-Vaciamadrid

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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.