Solarposition.org

Ucayali · Peru · 8.40° S · 74.54° W

Solar position in San Fernando

Sun position, daylight and the best solar panel angle for San Fernando — computed for 8.40° S, 74.54° W, 155 m above sea level.

Sunrise today05:31102° ESE
Sunset today17:52258° WSW
Best panel angle10°year-round, facing north
Off-grid angle4°best for the darkest month

The sun right now

Azimuth180.0°
Elevation86.5°
At solar noon, 11:42Open on the sun map

Sun in San Fernando today

Saturday, 24 October 2026 · local time UTC−5

EventTimeDirection / height
Astronomical dawn04:20sun 18° below horizon
Nautical dawn04:4512° below
Civil dawn05:106° below
Sunrise05:31102° ESE
Golden hour ends06:00sun 6° up
Solar noon11:4286.5° high
Golden hour starts17:24sun 6° up
Sunset17:52258° WSW
Civil dusk18:146° below
Nautical dusk18:3912° below
Astronomical dusk19:0418° below
Day length12 h 21 min

Sun path diagram for San Fernando

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 solstice7891011121314151617EquinoxDecember solstice6789101112131415161718Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 58.2° at solar noon in San Fernando; on the December solstice only 75.0°. Sunrise swings from 66° ENE in June to 114° ESE in December — a 47° 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
January05:5312:0918:2512 h 32 min78.6°
February06:0212:1118:2112 h 19 min88.0°
March06:0212:0518:0812 h 06 min81.2°
April06:0011:5617:5211 h 52 min69.6°
May06:0311:5417:4511 h 42 min61.3°
June06:1012:0017:4911 h 38 min58.2°
July06:1312:0417:5511 h 42 min61.2°
August06:0512:0117:5711 h 52 min69.7°
September05:4811:5117:5412 h 06 min81.1°
October05:3211:4217:5212 h 20 min87.5°
November05:2811:4418:0012 h 32 min78.4°
December05:3711:5618:1412 h 37 min75.0°

A year of daylight in San Fernando

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 San Fernando

Fixed array facing north (azimuth 0°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

10°collects the most energy over a year: 1374 kWh per kWp.

4°gives the most in the darkest month — the one an off-grid system is sized for.

20%30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 10°Best worst-month 4°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearFebruary kWh/kWp/dayBest ÷ worst month
0°135699%3.471.2×
4° off-grid best1368100%3.451.2×
8° = latitude1374100%3.411.2×
10° year-round best1374100%3.391.3×
15°1371100%3.321.3×
30°131295%3.011.5×
45°118286%2.551.9×
60°99472%1.982.5×
70°84762%1.573.0×
90°58543%1.042.6×

A fixed array in San Fernando produces the most over a year at 10°. The design month for an off-grid system is February: at 4° it makes 3.45 kWh per kWp a day, 2% more than at 10°, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in San Fernando at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 10° (year-round best).

012345January: 1.29 (70°)1.3JanFebruary: 1.57 (70°)1.6FebMarch: 1.98 (70°)2.0MarApril: 2.63 (70°)2.6AprMay: 3.08 (70°)3.1MayJune: 3.46 (70°)3.5JunJuly: 3.63 (70°)3.6JulAugust: 3.31 (70°)3.3AugSeptember: 2.48 (70°)2.5SepOctober: 1.82 (70°)1.8OctNovember: 1.35 (70°)1.4NovDecember: 1.21 (70°)1.2Dec10°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 10°Mean temp.
January4.771.641.293.6126.4 °C
February4.371.971.573.3926.1 °C
March4.332.461.983.4425.8 °C
April4.513.242.633.7125.8 °C
May4.333.773.083.6625.8 °C
June4.374.243.463.7626.0 °C
July4.684.453.634.0226.5 °C
August5.124.093.314.2628.0 °C
September5.103.102.484.0829.0 °C
October5.072.291.823.9328.5 °C
November4.981.721.353.7727.6 °C
December4.731.541.213.5426.8 °C
Year4.70 avg2.88 avg847 kWh1374 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 980 Wp of panels at 70°, versus 350 Wp at 10°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in San Fernando

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.

2.0 mrow pitch at 70°

2.2 mrow pitch at 10°

Row spacing calculator

How San Fernando compares in Peru

Against the other 135 places in Peru with climate data, for a fixed array at its best angle.

108thof 136 places in Peru for sunshine: 4.70 peak sun hours a day on flat ground.

−14%solar energy a year compared with the average place in Peru: 1,374 against 1,605 kWh per kWp.

−13 mindaylight on the longest day, compared with Lima: 12 h 37 min against 12 h 50 min.

10°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); San Fernando ranks 108th. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 1.21 kWh a day here, against 1.33 kWh on average in Peru. The shortest day lasts 11 h 38 min, +13 min compared with Lima.

The sunniest places in Peru

Solar forecast for San Fernando, 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 San Fernando

What is the best solar panel angle in San Fernando?
For a fixed array facing north, the best year-round tilt in San Fernando is 10°, worth about 1374 kWh per kWp a year. An off-grid system that has to get through February does better at about 4°.
What time is sunrise and sunset in San Fernando today?
On 24 October 2026 the sun rises at 05:31 and sets at 17:52 local time (UTC−5), giving 12 h 21 min of daylight. Solar noon is at 11:42.
How many peak sun hours does San Fernando get?
On a flat surface 4.7 hours a day averaged over the year, from 4.3 in March to 5.1 in August. Panels tilted at 70° receive 1.5 sun hours a day in December.
How high does the sun get in San Fernando?
At solar noon the sun stands 58.2° above the horizon on the June solstice and 75.0° on the December solstice.
Is San Fernando a good place for solar panels?
With 4.7 peak sun hours a day on flat ground, San Fernando ranks 108th of 136 places in Peru for sunshine. A 1 kWp array at the best angle (10°) makes about 1,374 kWh a year here, 14% less than the average place in Peru.

Places near San Fernando

All places in Peru

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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.