Chiapas · Mexico · 15.66° N · 92.14° W
Solar position in Comalapa
Sun position, daylight and the best solar panel angle for Comalapa — computed for 15.66° N, 92.14° W, 659 m above sea level.
The sun right now
Sun in Comalapa today
Saturday, 24 October 2026 · local time UTC−6
| Event | Time | Direction / height |
|---|---|---|
| Astronomical dawn | 04:50 | sun 18° below horizon |
| Nautical dawn | 05:15 | 12° below |
| Civil dawn | 05:40 | 6° below |
| Sunrise | 06:02 | 102° ESE |
| Golden hour ends | 06:31 | sun 6° up |
| Solar noon | 11:52 | 62.4° high |
| Golden hour starts | 17:13 | sun 6° up |
| Sunset | 17:42 | 258° WSW |
| Civil dusk | 18:04 | 6° below |
| Nautical dusk | 18:29 | 12° below |
| Astronomical dusk | 18:54 | 18° below |
| Day length | 11 h 40 min | |
Sun path diagram for Comalapa
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 82.2° at solar noon in Comalapa; on the December solstice only 50.9°. 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 | 06:39 | 12:20 | 18:00 | 11 h 21 min | 54.6° |
| February | 06:30 | 12:22 | 18:13 | 11 h 43 min | 64.0° |
| March | 06:11 | 12:15 | 18:19 | 12 h 08 min | 74.8° |
| April | 05:50 | 12:07 | 18:24 | 12 h 34 min | 86.4° |
| May | 05:37 | 12:05 | 18:32 | 12 h 55 min | 85.4° |
| June | 05:38 | 12:10 | 18:42 | 13 h 04 min | 82.2° |
| July | 05:47 | 12:15 | 18:42 | 12 h 55 min | 85.3° |
| August | 05:54 | 12:11 | 18:28 | 12 h 34 min | 86.3° |
| September | 05:57 | 12:01 | 18:05 | 12 h 08 min | 74.8° |
| October | 06:01 | 11:53 | 17:44 | 11 h 42 min | 63.5° |
| November | 06:14 | 11:54 | 17:34 | 11 h 21 min | 54.3° |
| December | 06:30 | 12:06 | 17:42 | 11 h 12 min | 50.9° |
A year of daylight in Comalapa
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 Comalapa
Fixed array facing south (azimuth 180°). Energy per kWp from NASA POWER monthly climate, including clouds, temperature and snow reflection.
17°collects the most energy over a year: 1614 kWh per kWp.
10°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° | 1553 | 96% | 4.16 | 1.3× |
| 10° off-grid best | 1603 | 99% | 3.99 | 1.3× |
| 15° | 1613 | 100% | 3.87 | 1.3× |
| 16° = latitude | 1614 | 100% | 3.85 | 1.3× |
| 17° year-round best | 1614 | 100% | 3.82 | 1.3× |
| 30° | 1580 | 98% | 3.38 | 1.5× |
| 45° | 1458 | 90% | 2.72 | 1.9× |
| 60° | 1256 | 78% | 1.96 | 2.6× |
| 70° | 1087 | 67% | 1.47 | 3.2× |
| 90° | 743 | 46% | 1.08 | 3.5× |
A fixed array in Comalapa produces the most over a year at 17°. The design month for an off-grid system is June: at 10° it makes 3.99 kWh per kWp a day, 5% more than at 17°, and costs 1% of the yearly total. Why steep panels win winter.
Off-grid solar in Comalapa at 70°
Daily energy of 1 kWp by month. Bars: panels at 70°. Line: panels at 17° (year-round best).
| Month | Sun hours, flat | Sun hours at 70° | kWh/kWp/day at 70° | at 17° | Mean temp. |
|---|---|---|---|---|---|
| January | 4.78 | 5.41 | 4.59 | 4.67 | 16.9 °C |
| February | 5.41 | 4.93 | 4.15 | 4.96 | 18.6 °C |
| March | 5.96 | 4.06 | 3.39 | 5.08 | 20.2 °C |
| April | 6.00 | 2.86 | 2.35 | 4.74 | 21.7 °C |
| May | 5.34 | 2.09 | 1.70 | 4.05 | 21.5 °C |
| June | 5.11 | 1.82 | 1.47 | 3.82 | 20.1 °C |
| July | 5.57 | 1.98 | 1.61 | 4.19 | 20.0 °C |
| August | 5.57 | 2.47 | 2.04 | 4.35 | 20.1 °C |
| September | 4.96 | 3.04 | 2.53 | 4.09 | 19.7 °C |
| October | 4.63 | 3.71 | 3.11 | 4.06 | 19.2 °C |
| November | 4.66 | 4.87 | 4.11 | 4.43 | 17.8 °C |
| December | 4.66 | 5.60 | 4.75 | 4.64 | 17.0 °C |
| Year | 5.22 avg | 3.56 avg | 1087 kWh | 1614 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 800 Wp of panels at 70°, versus 310 Wp at 17°. Here the lower tilt is the better winter choice — the sun stays high enough. Size your own system.
Row spacing in Comalapa
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°
2.4 mrow pitch at 17°
How Comalapa compares in Mexico
Against the other 624 places in Mexico with climate data, for a fixed array at its best angle.
519thof 625 places in Mexico for sunshine, shared: 5.22 peak sun hours a day on flat ground.
−8%solar energy a year compared with the average place in Mexico: 1,614 against 1,754 kWh per kWp.
−15 mindaylight on the longest day, compared with Mexico City: 13 h 04 min against 13 h 18 min.
17°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); Comalapa ranks joint 519th. In its darkest month, June, 1 kWp of off-grid panels at 70° makes 1.47 kWh a day here, against 1.82 kWh on average in Mexico. The shortest day lasts 11 h 12 min, +14 min compared with Mexico City.
Solar forecast for Comalapa, 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 Comalapa
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Places near Comalapa
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A free, live card for Comalapa: 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.