Solarposition.org

Buenos Aires · Argentina · 35.97° S · 62.73° W

Solar position in Trenque Lauquen

Sun position, daylight and the best solar panel angle for Trenque Lauquen — computed for 35.97° S, 62.73° W, 94 m above sea level.

Sunrise today06:15105° ESE
Sunset today19:34254° WSW
Best panel angle31°year-round, facing north
Off-grid angle59°best for the darkest month

The sun right now

Azimuth180.0°
Elevation65.9°
At solar noon, 12:55Open on the sun map

Sun in Trenque Lauquen today

Saturday, 24 October 2026 · local time UTC−3

EventTimeDirection / height
Astronomical dawn04:43sun 18° below horizon
Nautical dawn05:1712° below
Civil dawn05:496° below
Sunrise06:15105° ESE
Golden hour ends06:50sun 6° up
Solar noon12:5565.9° high
Golden hour starts19:00sun 6° up
Sunset19:34254° WSW
Civil dusk20:016° below
Nautical dusk20:3312° below
Astronomical dusk21:0718° below
Day length13 h 19 min

Sun path diagram for Trenque Lauquen

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 solstice91011121314151617EquinoxDecember solstice67891011121314151617181920Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 30.6° at solar noon in Trenque Lauquen; on the December solstice only 77.5°. Sunrise swings from 61° ENE in June to 120° ESE in December — a 59° 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
January06:1613:2220:2714 h 10 min73.8°
February06:4913:2419:5813 h 10 min64.4°
March07:1413:1719:2012 h 06 min53.6°
April07:4013:0918:3710 h 57 min42.0°
May08:0513:0718:0910 h 05 min33.8°
June08:2113:1218:049 h 43 min30.6°
July08:1513:1718:1910 h 04 min33.7°
August07:4513:1418:4310 h 58 min42.1°
September07:0113:0419:0612 h 05 min53.5°
October06:1912:5519:3213 h 12 min64.9°
November05:5112:5620:0214 h 12 min74.0°
December05:5013:0920:2714 h 36 min77.5°

A year of daylight in Trenque Lauquen

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 Trenque Lauquen

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

31°collects the most energy over a year: 1659 kWh per kWp.

59°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 31°Best worst-month 59°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJune kWh/kWp/dayBest ÷ worst month
0°144987%1.823.5×
15°160297%2.532.4×
30°1658100%3.071.9×
31° year-round best1659100%3.101.8×
36° = latitude1653100%3.241.7×
45°161697%3.421.5×
59° off-grid best149290%3.551.3×
60°148089%3.561.3×
70°134181%3.521.3×
90°97659%3.152.2×

A fixed array in Trenque Lauquen produces the most over a year at 31°. The design month for an off-grid system is June: at 59° it makes 3.55 kWh per kWp a day, 15% more than at 31°, and costs 10% of the yearly total. Why steep panels win winter.

Off-grid solar in Trenque Lauquen at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 31° (year-round best).

0123456January: 3.25 (70°)3.2JanFebruary: 3.73 (70°)3.7FebMarch: 4.13 (70°)4.1MarApril: 4.18 (70°)4.2AprMay: 3.49 (70°)3.5MayJune: 3.52 (70°)3.5JunJuly: 3.45 (70°)3.5JulAugust: 4.04 (70°)4.0AugSeptember: 4.09 (70°)4.1SepOctober: 3.72 (70°)3.7OctNovember: 3.40 (70°)3.4NovDecember: 3.12 (70°)3.1Dec31°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 31°Mean temp.
January7.543.983.255.5924.6 °C
February6.534.523.735.4023.2 °C
March5.254.944.134.9920.2 °C
April3.814.914.184.2815.7 °C
May2.614.033.493.2611.5 °C
June2.254.013.523.108.0 °C
July2.383.933.453.137.4 °C
August3.344.644.043.989.7 °C
September4.524.754.094.6312.7 °C
October5.654.393.725.0116.2 °C
November7.104.083.405.5420.1 °C
December7.813.803.125.6623.2 °C
Year4.89 avg4.33 avg1341 kWh1659 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 380 Wp of panels at 70°, versus 380 Wp at 31°. The steep array is 1% smaller for the same winter. Size your own system.

Row spacing in Trenque Lauquen

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.

4.3 mrow pitch at 70°

3.7 mrow pitch at 31°

Row spacing calculator

How Trenque Lauquen compares in Argentina

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

141stof 314 places in Argentina for sunshine, shared: 4.89 peak sun hours a day on flat ground.

+1%solar energy a year compared with the average place in Argentina: 1,658 against 1,639 kWh per kWp.

+8 mindaylight on the longest day, compared with Buenos Aires: 14 h 36 min against 14 h 29 min.

31°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); Trenque Lauquen ranks joint 141st. In its darkest month, December, 1 kWp of off-grid panels at 70° makes 3.12 kWh a day here, against 2.68 kWh on average in Argentina. The shortest day lasts 9 h 43 min, −7 min compared with Buenos Aires.

The sunniest places in Argentina

Solar forecast for Trenque Lauquen, 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 Trenque Lauquen

What is the best solar panel angle in Trenque Lauquen?
For a fixed array facing north, the best year-round tilt in Trenque Lauquen is 31°, worth about 1659 kWh per kWp a year. An off-grid system that has to get through June does better at about 59°.
What time is sunrise and sunset in Trenque Lauquen today?
On 24 October 2026 the sun rises at 06:15 and sets at 19:34 local time (UTC−3), giving 13 h 19 min of daylight. Solar noon is at 12:55.
How many peak sun hours does Trenque Lauquen get?
On a flat surface 4.9 hours a day averaged over the year, from 2.3 in June to 7.8 in December. Panels tilted at 70° receive 3.8 sun hours a day in December.
How high does the sun get in Trenque Lauquen?
At solar noon the sun stands 30.6° above the horizon on the June solstice and 77.5° on the December solstice.
Is Trenque Lauquen a good place for solar panels?
With 4.9 peak sun hours a day on flat ground, Trenque Lauquen ranks joint 141st of 314 places in Argentina for sunshine. A 1 kWp array at the best angle (31°) makes about 1,658 kWh a year here, 1% more than the average place in Argentina.

Places near Trenque Lauquen

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.