Solarposition.org

Barahona Province · Dominican Republic · 18.21° N · 71.10° W

Solar position in Santa Cruz de Barahona

Sun position, daylight and the best solar panel angle for Santa Cruz de Barahona — computed for 18.21° N, 71.10° W, 39 m above sea level.

Sunrise today06:40102° ESE
Sunset today18:16258° WSW
Best panel angle18°year-round, facing south
Off-grid angle20°best for the darkest month

The sun right now

Azimuth180.0°
Elevation59.9°
At solar noon, 12:28Open on the sun map

Sun in Santa Cruz de Barahona today

Saturday, 24 October 2026 · local time UTC−4

EventTimeDirection / height
Astronomical dawn05:27sun 18° below horizon
Nautical dawn05:5312° below
Civil dawn06:186° below
Sunrise06:40102° ESE
Golden hour ends07:10sun 6° up
Solar noon12:2859.9° high
Golden hour starts17:46sun 6° up
Sunset18:16258° WSW
Civil dusk18:386° below
Nautical dusk19:0312° below
Astronomical dusk19:2918° below
Day length11 h 35 min

Sun path diagram for Santa Cruz de Barahona

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 solstice78910111213141516171819EquinoxDecember solstice89101112131415161718Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 84.8° at solar noon in Santa Cruz de Barahona; on the December solstice only 48.4°. Sunrise swings from 65° ENE in June to 114° ESE in December — a 50° 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
January07:1912:5518:3211 h 13 min52.0°
February07:0812:5818:4711 h 39 min61.4°
March06:4712:5118:5512 h 08 min72.2°
April06:2312:4319:0212 h 39 min83.8°
May06:0912:4119:1213 h 03 min87.9°
June06:0912:4619:2213 h 13 min84.8°
July06:1812:5019:2213 h 04 min87.8°
August06:2712:4719:0612 h 39 min83.7°
September06:3312:3718:4112 h 08 min72.3°
October06:3912:2818:1711 h 38 min60.9°
November06:5312:3018:0611 h 13 min51.8°
December07:1112:4218:1311 h 02 min48.4°

A year of daylight in Santa Cruz de Barahona

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 Santa Cruz de Barahona

Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.

18°collects the most energy over a year: 1694 kWh per kWp.

20°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 18°Best worst-month 20°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearNovember kWh/kWp/dayBest ÷ worst month
0°162296%3.661.4×
15°1692100%4.261.2×
18° year-round best = latitude1694100%4.351.2×
20° off-grid best1694100%4.401.2×
30°166498%4.601.3×
45°154091%4.661.6×
60°133078%4.442.2×
70°115268%4.152.8×
90°78146%3.233.6×

A fixed array in Santa Cruz de Barahona produces the most over a year at 18°. The design month for an off-grid system is November: at 20° it makes 4.40 kWh per kWp a day, 1% more than at 18°, and costs 0% of the yearly total. Why steep panels win winter.

Off-grid solar in Santa Cruz de Barahona at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 18° (year-round best).

0123456January: 4.65 (70°)4.7JanFebruary: 4.31 (70°)4.3FebMarch: 3.58 (70°)3.6MarApril: 2.54 (70°)2.5AprMay: 1.86 (70°)1.9MayJune: 1.68 (70°)1.7JunJuly: 1.81 (70°)1.8JulAugust: 2.25 (70°)2.2AugSeptember: 2.97 (70°)3.0SepOctober: 3.49 (70°)3.5OctNovember: 4.15 (70°)4.1NovDecember: 4.63 (70°)4.6Dec18°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 18°Mean temp.
January4.765.644.654.6223.8 °C
February5.465.234.314.9824.0 °C
March6.054.363.585.1324.4 °C
April6.223.132.544.8825.2 °C
May5.982.321.864.4625.8 °C
June6.152.121.684.4726.3 °C
July6.332.271.814.6326.7 °C
August6.142.802.254.6926.8 °C
September5.783.672.974.7026.8 °C
October5.034.283.494.3826.3 °C
November4.635.064.154.3525.4 °C
December4.515.634.634.4424.4 °C
Year5.59 avg3.87 avg1152 kWh1694 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 700 Wp of panels at 70°, versus 270 Wp at 18°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Santa Cruz de Barahona

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.

2.6 mrow pitch at 70°

2.5 mrow pitch at 18°

Row spacing calculator

How Santa Cruz de Barahona compares in the Dominican Republic

Against the other 44 places in the Dominican Republic with climate data, for a fixed array at its best angle.

1stof 45 places in the Dominican Republic for sunshine: 5.59 peak sun hours a day on flat ground.

+3%solar energy a year compared with the average place in the Dominican Republic: 1,694 against 1,650 kWh per kWp.

−1 mindaylight on the longest day, compared with Santo Domingo: 13 h 13 min against 13 h 14 min.

18°best year-round tilt here; across the Dominican Republic it runs from 18° in Santo Domingo to 19° in Santiago de los Caballeros.

Santa Cruz de Barahona gets the most sun of the 45 places in the Dominican Republic (5.59 peak sun hours a day); the least sunny is Tamboril with 5.27. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.68 kWh a day here, against 1.69 kWh on average in the Dominican Republic. The shortest day lasts 11 h 02 min, +1 min compared with Santo Domingo.

The sunniest places in the Dominican Republic

Solar forecast for Santa Cruz de Barahona, 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 Santa Cruz de Barahona

What is the best solar panel angle in Santa Cruz de Barahona?
For a fixed array facing south, the best year-round tilt in Santa Cruz de Barahona is 18°, worth about 1694 kWh per kWp a year. An off-grid system that has to get through November does better at about 20°.
What time is sunrise and sunset in Santa Cruz de Barahona today?
On 24 October 2026 the sun rises at 06:40 and sets at 18:16 local time (UTC−4), giving 11 h 35 min of daylight. Solar noon is at 12:28.
How many peak sun hours does Santa Cruz de Barahona get?
On a flat surface 5.6 hours a day averaged over the year, from 4.5 in December to 6.3 in July. Panels tilted at 70° receive 2.1 sun hours a day in June.
How high does the sun get in Santa Cruz de Barahona?
At solar noon the sun stands 84.8° above the horizon on the June solstice and 48.4° on the December solstice.
Is Santa Cruz de Barahona a good place for solar panels?
With 5.6 peak sun hours a day on flat ground, Santa Cruz de Barahona ranks 1st of 45 places in the Dominican Republic for sunshine. A 1 kWp array at the best angle (18°) makes about 1,694 kWh a year here, 3% more than the average place in the Dominican Republic.

Places near Santa Cruz de Barahona

All places in Dominican Republic

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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.