Oaxaca · Mexico · 16.18° N · 95.19° W
Solar position in Salina Cruz
Sun position, daylight and the best solar panel angle for Salina Cruz — computed for 16.18° N, 95.19° W, 8 m above sea level.
The sun right now
Sun in Salina Cruz today
Saturday, 24 October 2026 · local time UTC−6
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 05:02 | sun 18° below horizon |
| Nautical dawn | 05:28 | 12° below |
| Civil dawn | 05:53 | 6° below |
| Sunrise | 06:15 | 102° ESE |
| Golden hour ends | 06:44 | sun 6° up |
| Solar noon | 12:04 | 61.9° high |
| Golden hour starts | 17:25 | sun 6° up |
| Sunset | 17:54 | 258° WSW |
| Civil dusk | 18:16 | 6° below |
| Nautical dusk | 18:41 | 12° below |
| Astronomical dusk | 19:06 | 18° below |
| Day length | 11 h 39 min | |
Sun path diagram for Salina Cruz
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 82.7° at solar noon in Salina Cruz; on the December solstice only 50.4°. Sunrise swings from 65° ENE in June to 114° ESE in December — a 49° 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 | 06:52 | 12:32 | 18:12 | 11 h 20 min | 54.1° |
| February | 06:43 | 12:34 | 18:25 | 11 h 43 min | 63.5° |
| March | 06:24 | 12:27 | 18:31 | 12 h 08 min | 74.3° |
| April | 06:01 | 12:19 | 18:37 | 12 h 35 min | 85.9° |
| May | 05:49 | 12:17 | 18:45 | 12 h 57 min | 85.9° |
| June | 05:49 | 12:22 | 18:55 | 13 h 06 min | 82.7° |
| July | 05:58 | 12:27 | 18:55 | 12 h 57 min | 85.8° |
| August | 06:06 | 12:23 | 18:41 | 12 h 35 min | 85.7° |
| September | 06:09 | 12:13 | 18:17 | 12 h 08 min | 74.3° |
| October | 06:14 | 12:05 | 17:55 | 11 h 41 min | 62.9° |
| November | 06:27 | 12:06 | 17:46 | 11 h 19 min | 53.8° |
| December | 06:43 | 12:18 | 17:53 | 11 h 10 min | 50.4° |
A year of daylight in Salina Cruz
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 Salina Cruz
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: 1691 kWh per kWp.
8°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 | June kWh/kWp/day | Best ÷ worst month |
|---|---|---|---|---|
| 0° | 1619 | 96% | 4.33 | 1.3× |
| 8° off-grid best | 1669 | 99% | 4.20 | 1.3× |
| 15° | 1689 | 100% | 4.03 | 1.3× |
| 16° = latitude | 1690 | 100% | 4.00 | 1.3× |
| 18° year-round best | 1691 | 100% | 3.94 | 1.4× |
| 30° | 1661 | 98% | 3.51 | 1.5× |
| 45° | 1537 | 91% | 2.82 | 1.9× |
| 60° | 1327 | 78% | 2.01 | 2.6× |
| 70° | 1149 | 68% | 1.49 | 3.3× |
| 90° | 784 | 46% | 1.06 | 3.8× |
A fixed array in Salina Cruz produces the most over a year at 18°. The design month for an off-grid system is June: at 8° it makes 4.20 kWh per kWp a day, 6% more than at 18°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Salina Cruz at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 18° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 18° | Mean temp. |
|---|---|---|---|---|---|
| January | 5.07 | 5.88 | 4.87 | 4.93 | 22.5 °C |
| February | 5.75 | 5.34 | 4.41 | 5.21 | 23.7 °C |
| March | 6.38 | 4.39 | 3.60 | 5.35 | 25.2 °C |
| April | 6.50 | 3.08 | 2.49 | 5.02 | 27.1 °C |
| May | 5.97 | 2.25 | 1.79 | 4.38 | 28.0 °C |
| June | 5.46 | 1.89 | 1.49 | 3.94 | 27.0 °C |
| July | 5.85 | 2.08 | 1.65 | 4.26 | 26.8 °C |
| August | 5.67 | 2.55 | 2.05 | 4.31 | 26.7 °C |
| September | 5.19 | 3.21 | 2.60 | 4.17 | 26.2 °C |
| October | 5.12 | 4.19 | 3.43 | 4.43 | 25.5 °C |
| November | 5.11 | 5.51 | 4.54 | 4.82 | 23.8 °C |
| December | 4.86 | 5.98 | 4.94 | 4.80 | 23.0 °C |
| Year | 5.58 avg | 3.86 avg | 1149 kWh | 1691 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 790 Wp of panels at 70°, versus 300 Wp at 18°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Salina Cruz
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.
2.4 mrow pitch at 70°
2.5 mrow pitch at 18°
How Salina Cruz compares in Mexico
Against the other 624 places in Mexico with climate data, for a fixed array at its best angle.
332ndof 625 places in Mexico for sunshine, shared: 5.58 peak sun hours a day on flat ground.
−4%solar energy a year compared with the average place in Mexico: 1,691 against 1,754 kWh per kWp.
−13 mindaylight on the longest day, compared with Mexico City: 13 h 06 min against 13 h 18 min.
18°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); Salina Cruz ranks joint 332nd. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.49 kWh a day here, against 1.82 kWh on average in Mexico. The shortest day lasts 11 h 10 min, +12 min compared with Mexico City.
Solar forecast for Salina Cruz, 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 Salina Cruz
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A free, live card for Salina Cruz: 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.