Solarposition.org

Neuquen · Argentina · 40.16° S · 71.35° W

Solar position in San Martín de los Andes

Sun position, daylight and the best solar panel angle for San Martín de los Andes — computed for 40.16° S, 71.35° W, 651 m above sea level.

Sunrise today06:44106° ESE
Sunset today20:15253° WSW
Best panel angle32°year-round, facing north
Off-grid angle63°best for the darkest month

The sun right now

Azimuth180.0°
Elevation61.8°
At solar noon, 13:29Open on the sun map

Sun in San Martín de los Andes today

Saturday, 24 October 2026 · local time UTC−3

EventTimeDirection / height
Astronomical dawn05:05sun 18° below horizon
Nautical dawn05:4112° below
Civil dawn06:156° below
Sunrise06:44106° ESE
Golden hour ends07:21sun 6° up
Solar noon13:2961.8° high
Golden hour starts19:38sun 6° up
Sunset20:15253° WSW
Civil dusk20:446° below
Nautical dusk21:1812° below
Astronomical dusk21:5518° below
Day length13 h 31 min

Sun path diagram for San Martín de los Andes

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 solstice101112131415161718EquinoxDecember solstice789101112131415161718192021Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 26.4° at solar noon in San Martín de los Andes; on the December solstice only 73.3°. Sunrise swings from 59° ENE in June to 122° ESE in December — a 63° 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
January06:4013:5621:1214 h 31 min69.6°
February07:1813:5820:3813 h 20 min60.2°
March07:4913:5219:5412 h 06 min49.4°
April08:2013:4319:0610 h 46 min37.8°
May08:4913:4118:349 h 44 min29.6°
June09:0713:4718:269 h 19 min26.4°
July09:0013:5218:439 h 44 min29.5°
August08:2513:4819:1210 h 47 min37.9°
September07:3613:3819:4112 h 05 min49.3°
October06:4813:3020:1213 h 23 min60.7°
November06:1513:3120:4814 h 33 min69.9°
December06:1213:4321:1415 h 02 min73.3°

A year of daylight in San Martín de los Andes

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 Martín de los Andes

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

32°collects the most energy over a year: 1611 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 32°Best worst-month 63°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJune kWh/kWp/dayBest ÷ worst month
0°139587%1.215.4×
15°154996%1.703.9×
30°1610100%2.093.0×
32° year-round best1611100%2.142.9×
40° = latitude159899%2.282.6×
45°157798%2.352.4×
60°145190%2.472.1×
63° off-grid best141588%2.472.0×
70°132082%2.461.9×
90°97060%2.231.8×

A fixed array in San Martín de los Andes produces the most over a year at 32°. The design month for an off-grid system is June: at 63° it makes 2.47 kWh per kWp a day, 16% more than at 32°, and costs 12% of the yearly total. Why steep panels win winter.

Off-grid solar in San Martín de los Andes at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 32° (year-round best).

02468January: 3.84 (70°)3.8JanFebruary: 4.43 (70°)4.4FebMarch: 4.62 (70°)4.6MarApril: 4.17 (70°)4.2AprMay: 3.05 (70°)3.1MayJune: 2.46 (70°)2.5JunJuly: 2.72 (70°)2.7JulAugust: 3.09 (70°)3.1AugSeptember: 3.86 (70°)3.9SepOctober: 3.91 (70°)3.9OctNovember: 3.75 (70°)3.7NovDecember: 3.58 (70°)3.6Dec32°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 32°Mean temp.
January7.894.483.846.2413.2 °C
February6.865.164.436.1013.3 °C
March5.155.334.625.3210.7 °C
April3.364.734.174.116.9 °C
May2.033.433.052.764.0 °C
June1.492.742.462.141.4 °C
July1.743.022.722.420.5 °C
August2.453.453.093.011.6 °C
September3.904.333.864.233.7 °C
October5.304.443.915.016.1 °C
November6.814.313.755.708.8 °C
December7.784.163.586.0411.3 °C
Year4.55 avg4.12 avg1320 kWh1611 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 480 Wp of panels at 70°, versus 550 Wp at 32°. The steep array is 13% smaller for the same winter. Size your own system.

Row spacing in San Martín de los Andes

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.

5.1 mrow pitch at 70°

4.2 mrow pitch at 32°

Row spacing calculator

How San Martín de los Andes compares in Argentina

Against the other 313 places in Argentina with climate data, for a fixed array at its best angle.

302ndof 314 places in Argentina for sunshine: 4.55 peak sun hours a day on flat ground.

−2%solar energy a year compared with the average place in Argentina: 1,611 against 1,639 kWh per kWp.

+33 mindaylight on the longest day, compared with Buenos Aires: 15 h 02 min against 14 h 29 min.

32°best year-round tilt here; across Argentina it runs from 21° in Tartagal to 44° in Río Gallegos.

Of the 314 places in Argentina, Belén gets the most sun (6.11 peak sun hours a day) and Ushuaia the least (2.59); San Martín de los Andes ranks 302nd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.46 kWh a day here, against 2.68 kWh on average in Argentina. The shortest day lasts 9 h 19 min, −31 min compared with Buenos Aires.

The sunniest places in Argentina

Solar forecast for San Martín de los Andes, 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 Martín de los Andes

What is the best solar panel angle in San Martín de los Andes?
For a fixed array facing north, the best year-round tilt in San Martín de los Andes is 32°, worth about 1611 kWh per kWp a year. An off-grid system that has to get through June does better at about 63°.
What time is sunrise and sunset in San Martín de los Andes today?
On 24 October 2026 the sun rises at 06:44 and sets at 20:15 local time (UTC−3), giving 13 h 31 min of daylight. Solar noon is at 13:29.
How many peak sun hours does San Martín de los Andes get?
On a flat surface 4.6 hours a day averaged over the year, from 1.5 in June to 7.9 in January. Panels tilted at 70° receive 2.7 sun hours a day in June.
How high does the sun get in San Martín de los Andes?
At solar noon the sun stands 26.4° above the horizon on the June solstice and 73.3° on the December solstice.
Is San Martín de los Andes a good place for solar panels?
With 4.6 peak sun hours a day on flat ground, San Martín de los Andes ranks 302nd of 314 places in Argentina for sunshine. A 1 kWp array at the best angle (32°) makes about 1,611 kWh a year here, 2% less than the average place in Argentina.

Places near San Martín de los Andes

All places in Argentina

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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.