Solarposition.org

Basque Country · Spain · 43.06° N · 2.49° W

Solar position in Arrasate / Mondragón

Sun position, daylight and the best solar panel angle for Arrasate / Mondragón — computed for 43.06° N, 2.49° W, 211 m above sea level.

Sunrise today08:34105° ESE
Sunset today19:13254° WSW
Best panel angle34°year-round, facing south
Off-grid angle65°best for the darkest month

The sun right now

Azimuth180.0°
Elevation35.1°
At solar noon, 13:53Open on the sun map

Sun in Arrasate / Mondragón today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn06:59sun 18° below horizon
Nautical dawn07:3212° below
Civil dawn08:056° below
Sunrise08:34105° ESE
Golden hour ends09:13sun 6° up
Solar noon13:5335.1° high
Golden hour starts18:33sun 6° up
Sunset19:13254° WSW
Civil dusk19:426° below
Nautical dusk20:1512° below
Astronomical dusk20:4818° below
Day length10 h 39 min

Sun path diagram for Arrasate / Mondragón

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 70.4° at solar noon in Arrasate / Mondragón; on the December solstice only 23.5°. Sunrise swings from 56° NE in June to 122° ESE in December — a 66° 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
January08:3513:2118:079 h 33 min27.1°
February07:5813:2318:4810 h 50 min36.5°
March07:1113:1719:2312 h 12 min47.3°
April07:1814:0820:5913 h 41 min58.9°
May06:4014:0621:3214 h 52 min67.2°
June06:3014:1121:5215 h 22 min70.4°
July06:4914:1621:4214 h 53 min67.3°
August07:2214:1221:0313 h 41 min58.9°
September07:5614:0220:0912 h 13 min47.5°
October08:3013:5419:1710 h 47 min36.2°
November08:0912:5517:419 h 31 min27.0°
December08:3813:0817:379 h 00 min23.5°

A year of daylight in Arrasate / Mondragón

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 Arrasate / Mondragón

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: 1331 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°113585%1.074.8×
15°126795%1.553.3×
30°1328100%1.942.6×
34° year-round best1331100%2.032.4×
43° = latitude131999%2.182.1×
45°131299%2.212.0×
60°122392%2.341.7×
65° off-grid best117888%2.351.7×
70°112585%2.351.6×
90°85764%2.161.5×

A fixed array in Arrasate / Mondragón produces the most over a year at 34°. The design month for an off-grid system is December: at 65° it makes 2.35 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 Arrasate / Mondragón at 70°

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

0123456January: 2.34 (70°)2.3JanFebruary: 2.93 (70°)2.9FebMarch: 3.44 (70°)3.4MarApril: 3.38 (70°)3.4AprMay: 3.22 (70°)3.2MayJune: 3.11 (70°)3.1JunJuly: 3.27 (70°)3.3JulAugust: 3.51 (70°)3.5AugSeptember: 3.74 (70°)3.7SepOctober: 3.21 (70°)3.2OctNovember: 2.50 (70°)2.5NovDecember: 2.35 (70°)2.3Dec34°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 34°Mean temp.
January1.502.672.342.097.2 °C
February2.333.342.932.867.2 °C
March3.553.953.443.769.2 °C
April4.633.933.384.2611.3 °C
May5.523.793.224.5814.1 °C
June6.093.723.114.7417.7 °C
July6.223.933.274.8919.8 °C
August5.474.223.514.6920.3 °C
September4.344.443.744.2918.1 °C
October2.843.773.213.2515.0 °C
November1.722.882.502.2910.4 °C
December1.362.682.352.037.9 °C
Year3.80 avg3.61 avg1125 kWh1331 kWh

Sizing example. To run a 1 kWh-per-day load through January on LiFePO4 batteries (charge controller, battery and inverter losses included) you need about 500 Wp of panels at 70°, versus 580 Wp at 34°. The steep array is 13% smaller for the same winter. Size your own system.

Row spacing in Arrasate / Mondragón

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.

5.8 mrow pitch at 70°

4.7 mrow pitch at 34°

Row spacing calculator

How Arrasate / Mondragón compares in Spain

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

503rdof 544 places in Spain for sunshine, shared: 3.80 peak sun hours a day on flat ground.

−17%solar energy a year compared with the average place in Spain: 1,331 against 1,601 kWh per kWp.

+19 mindaylight on the longest day, compared with Madrid: 15 h 22 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); Arrasate / Mondragón ranks joint 503rd. In its darkest month, January, 1 kWp of off-grid panels at 70° makes 2.34 kWh a day here, against 3.03 kWh on average in Spain. The shortest day lasts 9 h 00 min, −17 min compared with Madrid.

The sunniest places in Spain

Solar forecast for Arrasate / Mondragón, 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 Arrasate / Mondragón

What is the best solar panel angle in Arrasate / Mondragón?
For a fixed array facing south, the best year-round tilt in Arrasate / Mondragón is 34°, worth about 1331 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 Arrasate / Mondragón today?
On 24 October 2026 the sun rises at 08:34 and sets at 19:13 local time (UTC+2), giving 10 h 39 min of daylight. Solar noon is at 13:53.
How many peak sun hours does Arrasate / Mondragón get?
On a flat surface 3.8 hours a day averaged over the year, from 1.4 in December to 6.2 in July. Panels tilted at 70° receive 2.7 sun hours a day in January.
How high does the sun get in Arrasate / Mondragón?
At solar noon the sun stands 70.4° above the horizon on the June solstice and 23.5° on the December solstice.
Is Arrasate / Mondragón a good place for solar panels?
With 3.8 peak sun hours a day on flat ground, Arrasate / Mondragón ranks joint 503rd of 544 places in Spain for sunshine. A 1 kWp array at the best angle (34°) makes about 1,331 kWh a year here, 17% less than the average place in Spain.

Places near Arrasate / Mondragón

All places in Spain

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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.