Veracruz · Mexico · 18.24° N · 96.14° W
Solar position in Tres Valles
Sun position, daylight and the best solar panel angle for Tres Valles — computed for 18.24° N, 96.14° W, 56 m above sea level.
The sun right now
Sun in Tres Valles today
Saturday, 24 October 2026 · local time UTC−6
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:07 | sun 18° below horizon |
| Nautical dawn | 05:33 | 12° below |
| Civil dawn | 05:58 | 6° below |
| Sunrise | 06:21 | 102° ESE |
| Golden hour ends | 06:50 | sun 6° up |
| Solar noon | 12:08 | 59.8° high |
| Golden hour starts | 17:26 | sun 6° up |
| Sunset | 17:56 | 258° WSW |
| Civil dusk | 18:18 | 6° below |
| Nautical dusk | 18:44 | 12° below |
| Astronomical dusk | 19:09 | 18° below |
| Day length | 11 h 35 min | |
Sun path diagram for Tres Valles
Where the sun stands in the sky: the centre is straight overhead, the outer ring is the horizon. Numbers mark local clock hours.
- June solstice
- Equinox
- December solstice
- Today
On the June solstice the sun reaches 84.8° at solar noon in Tres Valles; on the December solstice only 48.3°. 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.
| Month | Sunrise | Solar noon | Sunset | Day length | Noon elevation |
|---|---|---|---|---|---|
| January | 06:59 | 12:36 | 18:12 | 11 h 13 min | 52.0° |
| February | 06:48 | 12:38 | 18:27 | 11 h 39 min | 61.4° |
| March | 06:27 | 12:31 | 18:35 | 12 h 08 min | 72.2° |
| April | 06:03 | 12:23 | 18:42 | 12 h 39 min | 83.8° |
| May | 05:49 | 12:21 | 18:53 | 13 h 04 min | 87.9° |
| June | 05:49 | 12:26 | 19:03 | 13 h 14 min | 84.8° |
| July | 05:59 | 12:31 | 19:02 | 13 h 04 min | 87.9° |
| August | 06:08 | 12:27 | 18:46 | 12 h 39 min | 83.7° |
| September | 06:13 | 12:17 | 18:21 | 12 h 08 min | 72.2° |
| October | 06:20 | 12:09 | 17:58 | 11 h 38 min | 60.9° |
| November | 06:34 | 12:10 | 17:46 | 11 h 12 min | 51.7° |
| December | 06:51 | 12:22 | 17:53 | 11 h 02 min | 48.3° |
A year of daylight in Tres Valles
Each column is one day of 2026. Bright: sun above the horizon; soft: civil twilight; line: solar noon. Steps are daylight saving time changes.
Best solar panel angle in Tres Valles
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: 1472 kWh per kWp.
30°gives the most in the darkest month — the one an off-grid system is sized for.
- Yearly energy
- Worst-month energy
| Tilt | kWh/kWp per year | Share of best year | January kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1423 | 97% | 2.94 | 1.6× |
| 15° | 1472 | 100% | 3.42 | 1.3× |
| 16° year-round best | 1472 | 100% | 3.45 | 1.3× |
| 18° = latitude | 1472 | 100% | 3.50 | 1.3× |
| 30° off-grid best | 1439 | 98% | 3.71 | 1.2× |
| 45° | 1325 | 90% | 3.77 | 1.4× |
| 60° | 1140 | 77% | 3.61 | 1.8× |
| 70° | 985 | 67% | 3.39 | 2.2× |
| 90° | 669 | 45% | 2.68 | 2.8× |
A fixed array in Tres Valles produces the most over a year at 16°. The design month for an off-grid system is January: at 30° it makes 3.71 kWh per kWp a day, 7% more than at 16°, and costs 2% of the yearly total. Why steep panels win winter.
Off-grid solar in Tres Valles at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 16° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 16° | Mean temp. |
|---|---|---|---|---|---|
| January | 3.63 | 4.02 | 3.39 | 3.45 | 18.0 °C |
| February | 4.39 | 4.07 | 3.41 | 3.98 | 19.7 °C |
| March | 5.23 | 3.76 | 3.12 | 4.45 | 22.0 °C |
| April | 5.69 | 2.93 | 2.38 | 4.51 | 24.9 °C |
| May | 5.65 | 2.29 | 1.83 | 4.27 | 25.9 °C |
| June | 5.65 | 2.03 | 1.62 | 4.20 | 24.9 °C |
| July | 5.59 | 2.19 | 1.76 | 4.22 | 23.8 °C |
| August | 5.46 | 2.63 | 2.14 | 4.27 | 23.8 °C |
| September | 4.83 | 3.13 | 2.56 | 3.96 | 23.5 °C |
| October | 4.43 | 3.71 | 3.07 | 3.87 | 22.2 °C |
| November | 3.94 | 4.19 | 3.51 | 3.69 | 19.9 °C |
| December | 3.66 | 4.32 | 3.64 | 3.54 | 18.7 °C |
| Year | 4.85 avg | 3.27 avg | 985 kWh | 1472 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 730 Wp of panels at 70°, versus 340 Wp at 16°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Tres Valles
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°
How Tres Valles compares in Mexico
Against the other 624 places in Mexico with climate data, for a fixed array at its best angle.
593rdof 625 places in Mexico for sunshine, shared: 4.85 peak sun hours a day on flat ground.
−16%solar energy a year compared with the average place in Mexico: 1,472 against 1,754 kWh per kWp.
−5 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); Tres Valles ranks joint 593rd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.62 kWh a day here, against 1.82 kWh on average in Mexico. The shortest day lasts 11 h 02 min, +5 min compared with Mexico City.
Solar forecast for Tres Valles, next 48 hours
Expected output of 1 kWp at 70°, computed from the ICON-EU weather model of the Deutscher Wetterdienst (DWD), Europe.
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Questions about the sun in Tres Valles
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Places near Tres Valles
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A free, live card for Tres Valles: where the sun is right now on today's path, a countdown to sunset or sunrise, the daylight change, the moon phase at night and the best panel angle.
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.