Solarposition.org

Veracruz · Mexico · 18.45° N · 95.21° W

Solar position in San Andrés Tuxtla

Sun position, daylight and the best solar panel angle for San Andrés Tuxtla — computed for 18.45° N, 95.21° W, 304 m above sea level.

Sunrise today06:17102° ESE
Sunset today17:52258° WSW
Best panel angle16°year-round, facing south
Off-grid angle37°best for the darkest month

The sun right now

Azimuth180.0°
Elevation59.6°
At solar noon, 12:04Open on the sun map

Sun in San Andrés Tuxtla today

Saturday, 24 October 2026 · local time UTC−6

EventTimeDirection / height
Astronomical dawn05:04sun 18° below horizon
Nautical dawn05:2912° below
Civil dawn05:556° below
Sunrise06:17102° ESE
Golden hour ends06:47sun 6° up
Solar noon12:0459.6° high
Golden hour starts17:22sun 6° up
Sunset17:52258° WSW
Civil dusk18:146° below
Nautical dusk18:4012° below
Astronomical dusk19:0518° below
Day length11 h 35 min

Sun path diagram for San Andrés Tuxtla

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 solstice6789101112131415161718EquinoxDecember solstice7891011121314151617Today
  • June solstice
  • Equinox
  • December solstice
  • Today

On the June solstice the sun reaches 85.0° at solar noon in San Andrés Tuxtla; on the December solstice only 48.1°. 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
January06:5612:3218:0811 h 13 min51.8°
February06:4412:3418:2411 h 39 min61.2°
March06:2412:2718:3212 h 08 min72.0°
April05:5912:1918:3912 h 40 min83.6°
May05:4512:1718:4913 h 04 min88.2°
June05:4512:2218:5913 h 14 min85.0°
July05:5512:2718:5913 h 04 min88.1°
August06:0412:2318:4312 h 39 min83.5°
September06:0912:1318:1712 h 08 min72.0°
October06:1612:0517:5411 h 38 min60.7°
November06:3012:0617:4211 h 12 min51.5°
December06:4812:1917:4911 h 01 min48.1°

A year of daylight in San Andrés Tuxtla

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 Andrés Tuxtla

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

16°collects the most energy over a year: 1426 kWh per kWp.

37°gives the most in the darkest month — the one an off-grid system is sized for.

30%40%50%60%70%80%90%100%0°10°20°30°40°50°60°70°80°90°Best year-round 16°Best worst-month 37°70°Yearly energyWorst-month energy
  • Yearly energy
  • Worst-month energy
TiltkWh/kWp per yearShare of best yearJanuary kWh/kWp/dayBest ÷ worst month
0°138497%2.681.7×
15°1426100%3.111.5×
16° year-round best1426100%3.131.5×
18° = latitude1425100%3.171.4×
30°138997%3.361.3×
37° off-grid best134594%3.401.3×
45°127589%3.411.4×
60°109477%3.261.6×
70°94366%3.052.0×
90°63945%2.412.4×

A fixed array in San Andrés Tuxtla produces the most over a year at 16°. The design month for an off-grid system is January: at 37° it makes 3.40 kWh per kWp a day, 9% more than at 16°, and costs 6% of the yearly total. Why steep panels win winter.

Off-grid solar in San Andrés Tuxtla at 70°

Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 16° (year-round best).

012345January: 3.05 (70°)3.1JanFebruary: 3.21 (70°)3.2FebMarch: 3.12 (70°)3.1MarApril: 2.45 (70°)2.4AprMay: 1.88 (70°)1.9MayJune: 1.63 (70°)1.6JunJuly: 1.77 (70°)1.8JulAugust: 2.12 (70°)2.1AugSeptember: 2.49 (70°)2.5SepOctober: 2.90 (70°)2.9OctNovember: 3.21 (70°)3.2NovDecember: 3.23 (70°)3.2Dec16°
MonthSun hours, flatSun hours at 70°kWh/kWp/day at 70°at 16°Mean temp.
January3.363.673.053.1321.5 °C
February4.203.883.213.7622.3 °C
March5.253.803.124.4324.1 °C
April5.843.042.454.5926.8 °C
May5.812.371.884.3528.3 °C
June5.712.061.634.2028.0 °C
July5.652.231.774.2127.3 °C
August5.412.642.124.1727.4 °C
September4.733.082.493.8227.1 °C
October4.263.572.903.6526.1 °C
November3.703.893.213.3923.9 °C
December3.363.903.233.1722.4 °C
Year4.78 avg3.17 avg943 kWh1426 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 720 Wp of panels at 70°, versus 380 Wp at 16°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.

Row spacing in San Andrés Tuxtla

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 16°

Row spacing calculator

How San Andrés Tuxtla compares in Mexico

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

605thof 625 places in Mexico for sunshine, shared: 4.78 peak sun hours a day on flat ground.

−19%solar energy a year compared with the average place in Mexico: 1,426 against 1,754 kWh per kWp.

−4 mindaylight on the longest day, compared with Mexico City: 13 h 14 min against 13 h 18 min.

16°best year-round tilt here; across Mexico it runs from 15° in Coatzacoalcos to 30° in Tijuana.

Of the 625 places in Mexico, Ciudad Constitución gets the most sun (6.12 peak sun hours a day) and Poza Rica de Hidalgo and one other place the least (4.59); San Andrés Tuxtla ranks joint 605th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.63 kWh a day here, against 1.82 kWh on average in Mexico. The shortest day lasts 11 h 01 min, +4 min compared with Mexico City.

The sunniest places in Mexico

Solar forecast for San Andrés Tuxtla, 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 Andrés Tuxtla

What is the best solar panel angle in San Andrés Tuxtla?
For a fixed array facing south, the best year-round tilt in San Andrés Tuxtla is 16°, worth about 1426 kWh per kWp a year. An off-grid system that has to get through January does better at about 37°.
What time is sunrise and sunset in San Andrés Tuxtla today?
On 24 October 2026 the sun rises at 06:17 and sets at 17:52 local time (UTC−6), giving 11 h 35 min of daylight. Solar noon is at 12:04.
How many peak sun hours does San Andrés Tuxtla get?
On a flat surface 4.8 hours a day averaged over the year, from 3.4 in December to 5.8 in April. Panels tilted at 70° receive 2.1 sun hours a day in June.
How high does the sun get in San Andrés Tuxtla?
At solar noon the sun stands 85.0° above the horizon on the June solstice and 48.1° on the December solstice.
Is San Andrés Tuxtla a good place for solar panels?
With 4.8 peak sun hours a day on flat ground, San Andrés Tuxtla ranks joint 605th of 625 places in Mexico for sunshine. A 1 kWp array at the best angle (16°) makes about 1,426 kWh a year here, 19% less than the average place in Mexico.

Places near San Andrés Tuxtla

All places in Mexico

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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.