Solarposition.org

Baja California Sur · Mexico · 25.03° N · 111.66° W

Solar position in Ciudad Constitución

Sun position, daylight and the best solar panel angle for Ciudad Constitución — computed for 25.03° N, 111.66° W, 53 m above sea level.

Sunrise today06:29103° ESE
Sunset today17:51257° WSW
Best panel angle23°year-round, facing south
Off-grid angle31°best for the darkest month

The sun right now

Azimuth180.0°
Elevation53.0°
At solar noon, 12:10Open on the sun map

Sun in Ciudad Constitución today

Saturday, 24 October 2026 · local time UTC−7

EventTimeDirection / height
Astronomical dawn05:12sun 18° below horizon
Nautical dawn05:3912° below
Civil dawn06:066° below
Sunrise06:29103° ESE
Golden hour ends07:00sun 6° up
Solar noon12:1053.0° high
Golden hour starts17:20sun 6° up
Sunset17:51257° WSW
Civil dusk18:146° below
Nautical dusk18:4112° below
Astronomical dusk19:0818° below
Day length11 h 22 min

Sun path diagram for Ciudad Constitución

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 solstice678910111213141516171819EquinoxDecember solstice891011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 88.4° at solar noon in Ciudad Constitución; on the December solstice only 41.5°. Sunrise swings from 64° ENE in June to 116° ESE in December — a 52° 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
January07:1212:3818:0310 h 51 min45.2°
February06:5612:4018:2411 h 28 min54.6°
March06:2912:3318:3812 h 09 min65.4°
April05:5812:2518:5212 h 53 min77.0°
May05:3912:2319:0713 h 28 min85.3°
June05:3712:2819:1913 h 42 min88.4°
July05:4912:3319:1613 h 28 min85.3°
August06:0312:2918:5512 h 53 min76.9°
September06:1412:1918:2312 h 09 min65.4°
October06:2812:1117:5411 h 26 min54.1°
November06:4712:1217:3710 h 50 min44.9°
December07:0712:2417:4210 h 35 min41.5°

A year of daylight in Ciudad Constitución

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 Ciudad Constitución

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

23°collects the most energy over a year: 1933 kWh per kWp.

31°gives the most in the darkest month — the one an off-grid system is sized for.

10%20%30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 23°Best worst-month 31°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearDecember kWh/kWp/dayBest ÷ worst month
0°178993%3.251.9×
15°191499%4.191.5×
23° year-round best1933100%4.581.3×
25° = latitude1932100%4.661.3×
30°192299%4.851.2×
31° off-grid best191899%4.881.2×
45°181494%5.201.4×
60°160083%5.231.8×
70°140673%5.062.5×
90°95649%4.304.7×

A fixed array in Ciudad Constitución produces the most over a year at 23°. The design month for an off-grid system is December: at 31° it makes 4.88 kWh per kWp a day, 7% more than at 23°, and costs 1% of the yearly total. Why steep panels win winter.

Off-grid solar in Ciudad Constitución at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 23° (year-round best).

01234567January: 5.12 (70°)5.1JanFebruary: 4.96 (70°)5.0FebMarch: 4.58 (70°)4.6MarApril: 3.49 (70°)3.5AprMay: 2.58 (70°)2.6MayJune: 2.10 (70°)2.1JunJuly: 2.23 (70°)2.2JulAugust: 2.79 (70°)2.8AugSeptember: 3.61 (70°)3.6SepOctober: 4.66 (70°)4.7OctNovember: 5.14 (70°)5.1NovDecember: 5.06 (70°)5.1Dec23°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 23°Mean temp.
January4.366.095.124.7918.4 °C
February5.275.894.965.3018.5 °C
March6.485.464.585.8919.4 °C
April7.264.193.495.9120.4 °C
May7.813.132.585.8121.7 °C
June7.732.592.105.4724.3 °C
July7.312.782.235.2327.5 °C
August6.833.482.795.2128.5 °C
September6.124.463.615.1428.1 °C
October5.555.694.665.2725.4 °C
November4.646.215.144.9422.2 °C
December4.076.035.064.5818.9 °C
Year6.12 avg4.66 avg1406 kWh1933 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 560 Wp of panels at 70°, versus 260 Wp at 23°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in Ciudad Constitución

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.

3.1 mrow pitch at 70°

2.8 mrow pitch at 23°

Row spacing calculator

How Ciudad Constitución compares in Mexico

Against the other 624 places in Mexico with climate data, for a fixed array at its best angle.

1stof 625 places in Mexico for sunshine: 6.12 peak sun hours a day on flat ground.

+10%solar energy a year compared with the average place in Mexico: 1,933 against 1,754 kWh per kWp.

+23 mindaylight on the longest day, compared with Mexico City: 13 h 42 min against 13 h 18 min.

23°best year-round tilt here; across Mexico it runs from 15° in Coatzacoalcos to 30° in Tijuana.

Ciudad Constitución gets the most sun of the 625 places in Mexico (6.12 peak sun hours a day); the least sunny are Poza Rica de Hidalgo and one other place with 4.59. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 2.10 kWh a day here, against 1.82 kWh on average in Mexico. The shortest day lasts 10 h 35 min, −23 min compared with Mexico City.

The sunniest places in Mexico

Solar forecast for Ciudad Constitución, 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 Ciudad Constitución

What is the best solar panel angle in Ciudad Constitución?
For a fixed array facing south, the best year-round tilt in Ciudad Constitución is 23°, worth about 1933 kWh per kWp a year. An off-grid system that has to get through December does better at about 31°.
What time is sunrise and sunset in Ciudad Constitución today?
On 24 October 2026 the sun rises at 06:29 and sets at 17:51 local time (UTC−7), giving 11 h 22 min of daylight. Solar noon is at 12:10.
How many peak sun hours does Ciudad Constitución get?
On a flat surface 6.1 hours a day averaged over the year, from 4.1 in December to 7.8 in May. Panels tilted at 70° receive 2.6 sun hours a day in June.
How high does the sun get in Ciudad Constitución?
At solar noon the sun stands 88.4° above the horizon on the June solstice and 41.5° on the December solstice.
Is Ciudad Constitución a good place for solar panels?
With 6.1 peak sun hours a day on flat ground, Ciudad Constitución ranks 1st of 625 places in Mexico for sunshine. A 1 kWp array at the best angle (23°) makes about 1,933 kWh a year here, 10% more than the average place in Mexico.

Places near Ciudad Constitución

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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.