Junin · Peru · 11.52° S · 75.90° W
Solar position in La Oroya
Sun position, daylight and the best solar panel angle for La Oroya — computed for 11.52° S, 75.90° W, 3765 m above sea level.
The sun right now
Sun in La Oroya today
Saturday, 24 October 2026 · local time UTC−5
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:22 | sun 18° below horizon |
| Nautical dawn | 04:47 | 12° below |
| Civil dawn | 05:12 | 6° below |
| Sunrise | 05:34 | 102° ESE |
| Golden hour ends | 06:03 | sun 6° up |
| Solar noon | 11:47 | 89.6° high |
| Golden hour starts | 17:32 | sun 6° up |
| Sunset | 18:01 | 258° WSW |
| Civil dusk | 18:22 | 6° below |
| Nautical dusk | 18:48 | 12° below |
| Astronomical dusk | 19:13 | 18° below |
| Day length | 12 h 27 min | |
Sun path diagram for La Oroya
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 55.0° at solar noon in La Oroya; on the December solstice only 78.1°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 48° 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 | 05:54 | 12:14 | 18:35 | 12 h 41 min | 81.7° |
| February | 06:05 | 12:17 | 18:29 | 12 h 24 min | 88.9° |
| March | 06:07 | 12:10 | 18:13 | 12 h 06 min | 78.0° |
| April | 06:08 | 12:02 | 17:55 | 11 h 47 min | 66.5° |
| May | 06:13 | 12:00 | 17:46 | 11 h 33 min | 58.2° |
| June | 06:21 | 12:05 | 17:48 | 11 h 27 min | 55.0° |
| July | 06:23 | 12:10 | 17:56 | 11 h 33 min | 58.1° |
| August | 06:13 | 12:06 | 18:00 | 11 h 47 min | 66.5° |
| September | 05:53 | 11:56 | 17:59 | 12 h 06 min | 78.0° |
| October | 05:35 | 11:48 | 18:00 | 12 h 25 min | 89.4° |
| November | 05:28 | 11:49 | 18:10 | 12 h 41 min | 81.5° |
| December | 05:37 | 12:01 | 18:25 | 12 h 48 min | 78.1° |
A year of daylight in La Oroya
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 Oroya
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
16°collects the most energy over a year: 1590 kWh per kWp.
1°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 | February kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1542 | 97% | 3.69 | 1.3× |
| 1° off-grid best | 1548 | 97% | 3.68 | 1.3× |
| 12° = latitude | 1588 | 100% | 3.60 | 1.4× |
| 15° | 1590 | 100% | 3.56 | 1.4× |
| 16° year-round best | 1590 | 100% | 3.54 | 1.4× |
| 30° | 1551 | 98% | 3.26 | 1.7× |
| 45° | 1428 | 90% | 2.81 | 2.1× |
| 60° | 1233 | 78% | 2.24 | 2.7× |
| 70° | 1072 | 67% | 1.83 | 3.3× |
| 90° | 755 | 47% | 1.19 | 3.3× |
A fixed array in La Oroya produces the most over a year at 16°. The design month for an off-grid system is February: at 1° it makes 3.68 kWh per kWp a day, 4% more than at 16°, and costs 3% of the yearly total. Why steep panels win winter.
Off-grid solar in La Oroya at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 16° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 16° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.78 | 1.84 | 1.55 | 3.71 | 11.6 °C |
| February | 4.40 | 2.16 | 1.83 | 3.54 | 11.6 °C |
| March | 4.39 | 2.65 | 2.26 | 3.67 | 11.6 °C |
| April | 4.82 | 3.67 | 3.17 | 4.27 | 11.6 °C |
| May | 5.09 | 4.92 | 4.27 | 4.82 | 11.2 °C |
| June | 5.05 | 5.57 | 4.85 | 4.98 | 10.5 °C |
| July | 5.22 | 5.54 | 4.83 | 5.11 | 10.1 °C |
| August | 5.49 | 4.76 | 4.13 | 5.09 | 10.7 °C |
| September | 5.28 | 3.42 | 2.94 | 4.56 | 11.5 °C |
| October | 5.45 | 2.59 | 2.21 | 4.45 | 11.8 °C |
| November | 5.57 | 1.99 | 1.67 | 4.33 | 11.9 °C |
| December | 4.82 | 1.77 | 1.48 | 3.70 | 11.6 °C |
| Year | 5.04 avg | 3.41 avg | 1072 kWh | 1590 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 800 Wp of panels at 70°, versus 330 Wp at 16°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in La Oroya
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.
2.2 mrow pitch at 70°
2.4 mrow pitch at 16°
How La Oroya compares in Peru
Against the other 135 places in Peru with climate data, for a fixed array at its best angle.
92ndof 136 places in Peru for sunshine, shared: 5.04 peak sun hours a day on flat ground.
−1%solar energy a year compared with the average place in Peru: 1,590 against 1,605 kWh per kWp.
−2 mindaylight on the longest day, compared with Lima: 12 h 48 min against 12 h 50 min.
16°best year-round tilt here; across Peru it runs from 3° in Tumbes to 19° in Arequipa.
Of the 136 places in Peru, Ciudad Satelite and one other place get the most sun (6.60 peak sun hours a day) and La Peca the least (4.16); La Oroya ranks joint 92nd. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.48 kWh a day here, against 1.33 kWh on average in Peru. The shortest day lasts 11 h 27 min, +2 min compared with Lima.
Solar forecast for La Oroya, 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 La Oroya: 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.