Murcia · Spain · 37.62° N · 0.88° W
Solar position in La Unión
Sun position, daylight and the best solar panel angle for La Unión — computed for 37.62° N, 0.88° W, 104 m above sea level.
The sun right now
Sun in La Unión today
Saturday, 24 October 2026 · local time UTC+2
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 06:52 | sun 18° below horizon |
| Nautical dawn | 07:23 | 12° below |
| Civil dawn | 07:53 | 6° below |
| Sunrise | 08:20 | 104° ESE |
| Golden hour ends | 08:56 | sun 6° up |
| Solar noon | 13:47 | 40.5° high |
| Golden hour starts | 18:38 | sun 6° up |
| Sunset | 19:14 | 256° WSW |
| Civil dusk | 19:41 | 6° below |
| Nautical dusk | 20:11 | 12° below |
| Astronomical dusk | 20:42 | 18° below |
| Day length | 10 h 54 min | |
Sun path diagram for La Unión
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 75.8° at solar noon in La Unión; on the December solstice only 29.0°. Sunrise swings from 59° ENE in June to 119° ESE in December — a 60° 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 | 08:14 | 13:14 | 18:15 | 10 h 00 min | 32.6° |
| February | 07:45 | 13:17 | 18:48 | 11 h 03 min | 41.9° |
| March | 07:05 | 13:10 | 19:16 | 12 h 10 min | 52.7° |
| April | 07:20 | 14:02 | 20:44 | 13 h 24 min | 64.3° |
| May | 06:49 | 14:00 | 21:11 | 14 h 22 min | 72.6° |
| June | 06:42 | 14:05 | 21:28 | 14 h 46 min | 75.8° |
| July | 06:58 | 14:09 | 21:21 | 14 h 23 min | 72.8° |
| August | 07:24 | 14:06 | 20:48 | 13 h 24 min | 64.4° |
| September | 07:50 | 13:56 | 20:02 | 12 h 12 min | 53.0° |
| October | 08:17 | 13:47 | 19:18 | 11 h 01 min | 41.6° |
| November | 07:49 | 12:49 | 17:48 | 9 h 59 min | 32.4° |
| December | 08:14 | 13:01 | 17:48 | 9 h 34 min | 29.0° |
A year of daylight in La Unión
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 La Unión
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
32°collects the most energy over a year: 1653 kWh per kWp.
63°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° | 1430 | 87% | 1.78 | 3.4× |
| 15° | 1589 | 96% | 2.52 | 2.4× |
| 30° | 1652 | 100% | 3.10 | 1.8× |
| 32° year-round best | 1653 | 100% | 3.16 | 1.7× |
| 38° = latitude | 1646 | 100% | 3.33 | 1.6× |
| 45° | 1619 | 98% | 3.48 | 1.4× |
| 60° | 1491 | 90% | 3.64 | 1.2× |
| 63° off-grid best | 1455 | 88% | 3.64 | 1.2× |
| 70° | 1359 | 82% | 3.62 | 1.3× |
| 90° | 1004 | 61% | 3.27 | 2.1× |
A fixed array in La Unión produces the most over a year at 32°. The design month for an off-grid system is December: at 63° it makes 3.64 kWh per kWp a day, 15% more than at 32°, and costs 12% of the yearly total. Why steep panels win winter.
Off-grid solar in La Unión at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 32° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 32° | Mean temp. |
|---|---|---|---|---|---|
| January | 2.58 | 4.56 | 3.95 | 3.53 | 11.6 °C |
| February | 3.44 | 4.77 | 4.13 | 4.09 | 11.8 °C |
| March | 4.59 | 4.85 | 4.17 | 4.71 | 13.5 °C |
| April | 5.71 | 4.43 | 3.76 | 5.04 | 15.6 °C |
| May | 6.76 | 4.07 | 3.41 | 5.34 | 18.6 °C |
| June | 7.52 | 3.88 | 3.19 | 5.52 | 22.6 °C |
| July | 7.34 | 4.04 | 3.29 | 5.46 | 25.3 °C |
| August | 6.46 | 4.47 | 3.64 | 5.24 | 25.9 °C |
| September | 5.05 | 4.70 | 3.88 | 4.69 | 23.4 °C |
| October | 3.77 | 4.69 | 3.93 | 4.09 | 20.1 °C |
| November | 2.70 | 4.39 | 3.74 | 3.46 | 15.4 °C |
| December | 2.25 | 4.19 | 3.62 | 3.16 | 12.6 °C |
| Year | 4.86 avg | 4.42 avg | 1359 kWh | 1653 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 370 Wp of panels at 70°, versus 370 Wp at 32°. The steep array is 1% smaller for the same winter. Size your own system.
Row spacing in La Unión
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.
4.6 mrow pitch at 70°
3.9 mrow pitch at 32°
How La Unión compares in Spain
Against the other 543 places in Spain with climate data, for a fixed array at its best angle.
190thof 544 places in Spain for sunshine, shared: 4.86 peak sun hours a day on flat ground.
+3%solar energy a year compared with the average place in Spain: 1,653 against 1,601 kWh per kWp.
−18 mindaylight on the longest day, compared with Madrid: 14 h 46 min against 15 h 04 min.
32°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); La Unión ranks joint 190th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 3.19 kWh a day here, against 3.03 kWh on average in Spain. The shortest day lasts 9 h 34 min, +17 min compared with Madrid.
Solar forecast for La Unión, 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 La Unión
What is the best solar panel angle in La Unión?
What time is sunrise and sunset in La Unión today?
How many peak sun hours does La Unión get?
How high does the sun get in La Unión?
Is La Unión a good place for solar panels?
Places near La Unión
Put this on your site
A free, live card for La Unión: 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.