Solarposition.org

Galicia · Spain · 43.66° N · 7.59° W

Solar position in Viveiro

Sun position, daylight and the best solar panel angle for Viveiro — computed for 43.66° N, 7.59° W, 30 m above sea level.

Sunrise today08:55106° ESE
Sunset today19:32254° WSW
Best panel angle35°year-round, facing south
Off-grid angle63°best for the darkest month

The sun right now

Azimuth180.0°
Elevation34.5°
At solar noon, 14:14Open on the sun map

Sun in Viveiro today

Saturday, 24 October 2026 · local time UTC+2

EventTimeDirection / height
Astronomical dawn07:19sun 18° below horizon
Nautical dawn07:5212° below
Civil dawn08:266° below
Sunrise08:55106° ESE
Golden hour ends09:35sun 6° up
Solar noon14:1434.5° high
Golden hour starts18:52sun 6° up
Sunset19:32254° WSW
Civil dusk20:026° below
Nautical dusk20:3512° below
Astronomical dusk21:0818° below
Day length10 h 37 min

Sun path diagram for Viveiro

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 solstice78910111213141516171819202122EquinoxDecember solstice1011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 69.8° at solar noon in Viveiro; on the December solstice only 22.9°. Sunrise swings from 56° NE in June to 122° ESE in December — a 67° 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
January08:5713:4118:269 h 29 min26.5°
February08:2013:4419:0810 h 48 min35.9°
March07:3113:3719:4312 h 12 min46.7°
April07:3814:2921:2013 h 43 min58.3°
May06:5914:2721:5414 h 55 min66.6°
June06:4814:3222:1515 h 27 min69.8°
July07:0814:3622:0414 h 57 min66.7°
August07:4114:3321:2413 h 43 min58.3°
September08:1614:2320:2912 h 13 min46.9°
October08:5114:1419:3710 h 45 min35.6°
November08:3113:1618:009 h 28 min26.4°
December09:0013:2817:568 h 56 min22.9°

A year of daylight in Viveiro

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 Viveiro

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: 1299 kWh per kWp.

63°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 35°Best worst-month 63°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°110785%0.995.0×
15°123795%1.443.5×
30°1296100%1.802.7×
35° year-round best1299100%1.892.5×
44° = latitude128599%2.032.2×
45°128199%2.052.2×
60°119592%2.171.9×
63° off-grid best116990%2.181.8×
70°110085%2.171.7×
90°83865%2.001.5×

A fixed array in Viveiro produces the most over a year at 35°. The design month for an off-grid system is December: at 63° it makes 2.18 kWh per kWp a day, 15% more than at 35°, and costs 10% of the yearly total. Why steep panels win winter.

Off-grid solar in Viveiro at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 35° (year-round best).

012345January: 2.14 (70°)2.1JanFebruary: 2.81 (70°)2.8FebMarch: 3.34 (70°)3.3MarApril: 3.43 (70°)3.4AprMay: 3.27 (70°)3.3MayJune: 3.07 (70°)3.1JunJuly: 3.23 (70°)3.2JulAugust: 3.48 (70°)3.5AugSeptember: 3.74 (70°)3.7SepOctober: 3.13 (70°)3.1OctNovember: 2.36 (70°)2.4NovDecember: 2.17 (70°)2.2Dec35°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 35°Mean temp.
January1.402.462.141.938.2 °C
February2.253.212.812.758.0 °C
March3.443.843.343.659.5 °C
April4.633.973.434.2810.9 °C
May5.533.833.274.6013.1 °C
June5.883.653.074.6016.1 °C
July5.993.853.234.7418.1 °C
August5.324.153.484.6018.7 °C
September4.284.433.744.2717.3 °C
October2.743.673.133.1714.5 °C
November1.632.732.362.1710.7 °C
December1.272.502.171.898.7 °C
Year3.70 avg3.52 avg1100 kWh1299 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 550 Wp of panels at 70°, versus 620 Wp at 35°. The steep array is 12% smaller for the same winter. Size your own system.

Row spacing in Viveiro

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.

5.9 mrow pitch at 70°

4.8 mrow pitch at 35°

Row spacing calculator

How Viveiro compares in Spain

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

533rdof 544 places in Spain for sunshine, shared: 3.70 peak sun hours a day on flat ground.

−19%solar energy a year compared with the average place in Spain: 1,299 against 1,601 kWh per kWp.

+23 mindaylight on the longest day, compared with Madrid: 15 h 27 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); Viveiro ranks joint 533rd. In its darkest month, January, 1 kWp of off-grid panels at 70° makes 2.14 kWh a day here, against 3.03 kWh on average in Spain. The shortest day lasts 8 h 56 min, −21 min compared with Madrid.

The sunniest places in Spain

Solar forecast for Viveiro, 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 Viveiro

What is the best solar panel angle in Viveiro?
For a fixed array facing south, the best year-round tilt in Viveiro is 35°, worth about 1299 kWh per kWp a year. An off-grid system that has to get through December does better at about 63°.
What time is sunrise and sunset in Viveiro today?
On 24 October 2026 the sun rises at 08:55 and sets at 19:32 local time (UTC+2), giving 10 h 37 min of daylight. Solar noon is at 14:14.
How many peak sun hours does Viveiro get?
On a flat surface 3.7 hours a day averaged over the year, from 1.3 in December to 6.0 in July. Panels tilted at 70° receive 2.5 sun hours a day in January.
How high does the sun get in Viveiro?
At solar noon the sun stands 69.8° above the horizon on the June solstice and 22.9° on the December solstice.
Is Viveiro a good place for solar panels?
With 3.7 peak sun hours a day on flat ground, Viveiro ranks joint 533rd of 544 places in Spain for sunshine. A 1 kWp array at the best angle (35°) makes about 1,299 kWh a year here, 19% less than the average place in Spain.

Places near Viveiro

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.