Junin · Peru · 10.92° S · 74.88° W
Solar position in Santa Rosa
Sun position, daylight and the best solar panel angle for Santa Rosa — computed for 10.92° S, 74.88° W, 524 m above sea level.
The sun right now
Sun in Santa Rosa today
Saturday, 24 October 2026 · local time UTC−5
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:18 | sun 18° below horizon |
| Nautical dawn | 04:44 | 12° below |
| Civil dawn | 05:09 | 6° below |
| Sunrise | 05:31 | 102° ESE |
| Golden hour ends | 05:59 | sun 6° up |
| Solar noon | 11:43 | 89.0° high |
| Golden hour starts | 17:28 | sun 6° up |
| Sunset | 17:56 | 258° WSW |
| Civil dusk | 18:18 | 6° below |
| Nautical dusk | 18:43 | 12° below |
| Astronomical dusk | 19:08 | 18° below |
| Day length | 12 h 26 min | |
Sun path diagram for Santa Rosa
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 55.7° at solar noon in Santa Rosa; on the December solstice only 77.5°. 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 | 05:51 | 12:10 | 18:30 | 12 h 39 min | 81.1° |
| February | 06:01 | 12:13 | 18:24 | 12 h 23 min | 89.5° |
| March | 06:03 | 12:06 | 18:09 | 12 h 06 min | 78.6° |
| April | 06:04 | 11:58 | 17:52 | 11 h 48 min | 67.1° |
| May | 06:08 | 11:56 | 17:43 | 11 h 35 min | 58.8° |
| June | 06:16 | 12:01 | 17:45 | 11 h 29 min | 55.7° |
| July | 06:18 | 12:06 | 17:53 | 11 h 34 min | 58.7° |
| August | 06:08 | 12:02 | 17:56 | 11 h 48 min | 67.1° |
| September | 05:49 | 11:52 | 17:55 | 12 h 06 min | 78.6° |
| October | 05:32 | 11:44 | 17:56 | 12 h 24 min | 90.0° |
| November | 05:25 | 11:45 | 18:05 | 12 h 40 min | 80.9° |
| December | 05:34 | 11:57 | 18:20 | 12 h 46 min | 77.5° |
A year of daylight in Santa Rosa
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 Santa Rosa
Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
14°collects the most energy over a year: 1309 kWh per kWp.
0°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° off-grid best | 1279 | 98% | 3.16 | 1.2× |
| 11° = latitude | 1308 | 100% | 3.10 | 1.3× |
| 14° year-round best | 1309 | 100% | 3.07 | 1.3× |
| 15° | 1309 | 100% | 3.06 | 1.3× |
| 30° | 1268 | 97% | 2.81 | 1.5× |
| 45° | 1161 | 89% | 2.43 | 1.9× |
| 60° | 996 | 76% | 1.95 | 2.4× |
| 70° | 863 | 66% | 1.59 | 2.8× |
| 90° | 604 | 46% | 1.04 | 2.6× |
A fixed array in Santa Rosa produces the most over a year at 14°. The design month for an off-grid system is February: at 0° it makes 3.16 kWh per kWp a day, 3% more than at 14°, and costs 2% of the yearly total. Why steep panels win winter.
Off-grid solar in Santa Rosa at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 14° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 14° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.19 | 1.68 | 1.36 | 3.21 | 19.5 °C |
| February | 3.90 | 1.94 | 1.59 | 3.07 | 19.2 °C |
| March | 4.07 | 2.45 | 2.02 | 3.31 | 19.1 °C |
| April | 4.27 | 3.19 | 2.66 | 3.64 | 19.5 °C |
| May | 4.20 | 3.82 | 3.20 | 3.74 | 19.5 °C |
| June | 4.17 | 4.24 | 3.56 | 3.82 | 19.3 °C |
| July | 4.36 | 4.31 | 3.62 | 3.98 | 19.3 °C |
| August | 4.68 | 3.89 | 3.24 | 4.10 | 20.3 °C |
| September | 4.57 | 2.94 | 2.43 | 3.79 | 21.0 °C |
| October | 4.63 | 2.30 | 1.88 | 3.68 | 20.9 °C |
| November | 4.60 | 1.82 | 1.47 | 3.53 | 20.5 °C |
| December | 4.14 | 1.58 | 1.28 | 3.14 | 19.8 °C |
| Year | 4.32 avg | 2.85 avg | 863 kWh | 1309 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 920 Wp of panels at 70°, versus 380 Wp at 14°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Santa Rosa
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.
2.1 mrow pitch at 70°
2.3 mrow pitch at 14°
How Santa Rosa compares in Peru
Against the other 135 places in Peru with climate data, for a fixed array at its best angle.
128thof 136 places in Peru for sunshine, shared: 4.32 peak sun hours a day on flat ground.
−18%solar energy a year compared with the average place in Peru: 1,309 against 1,605 kWh per kWp.
−4 mindaylight on the longest day, compared with Lima: 12 h 46 min against 12 h 50 min.
14°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); Santa Rosa ranks joint 128th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.28 kWh a day here, against 1.33 kWh on average in Peru. The shortest day lasts 11 h 29 min, +4 min compared with Lima.
Solar forecast for Santa Rosa, 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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Questions about the sun in Santa Rosa
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Places near Santa Rosa
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A free, live card for Santa Rosa: 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.