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Solar data for Mexico

Across the 625 places in Mexico the best fixed tilt for solar panels runs from 15° in Coatzacoalcos to 30° in Tijuana, and flat ground gets 4.6 to 6.1 peak sun hours a day. Every number is computed for each place.

Solar power in Mexico at a glance

Averages over 625 places with climate data, for a fixed array facing south.

Best panel angle21°average, facing south
Peak sun hours5.57a day on flat ground
1 kWp makes1,754kWh a year at the best angle
Off-grid angle21°average, for the darkest month
Mexico CityCiudad Constitución (most sun)
  • 4.59–4.90
  • 4.90–5.20
  • 5.20–5.51
  • 5.51–5.82
  • 5.82–6.12

Peak sun hours a day on flat ground. Each dot is one place.

The sunniest place in Mexico is Ciudad Constitución (Baja California Sur) with 6.12 peak sun hours a day on flat ground; the least sunny are Poza Rica de Hidalgo and one other place with 4.59. A 1 kWp array at its best angle makes from 1,398 kWh a year in Poza Rica de Hidalgo to 1,981 kWh in Cuauhtémoc — 1,754 kWh on average.

The best year-round tilt runs from 15° in Coatzacoalcos to 30° in Tijuana. Off-grid systems are sized for the darkest month and do better steeper, at 21° on average: at 70° that month brings 1.42 kWh per kWp a day in Tapachula and 2.78 kWh in Tecate.

Size an off-grid system or open any place below for its sun path, monthly table and tilt curve.

Sunniest places in Mexico

Ranked by peak sun hours on flat ground: the yearly average of a day's sunshine energy (NASA POWER climatology). Output: 1 kWp at its best year-round angle.

RankPlaceRegionSun hours/daykWh per kWp a yearBest tilt
1Ciudad ConstituciónBaja California Sur6.121,93323°
2Miguel Alemán (La Doce)Sonora6.091,97028°
3Villa HidalgoJalisco6.061,92922°
3TeocalticheJalisco6.061,92422°
5LerdoDurango6.051,93425°
5Gómez PalacioDurango6.051,93425°
7HermosilloSonora6.041,95928°
7Heroica GuaymasSonora6.041,94027°
7EmpalmeSonora6.041,93827°
7CalvilloAguascalientes6.041,92922°

Least sunny places in Mexico

RankPlaceRegionSun hours/daykWh per kWp a yearBest tilt
621Túxpam de Rodríguez CanoVeracruz4.671,41217°
622Alto LuceroVeracruz4.661,41017°
623Papantla de OlarteVeracruz4.641,41417°
624CoatzintlaVeracruz4.591,40017°
624Poza Rica de HidalgoVeracruz4.591,39817°

Solar by region in Mexico

Averages of the places in each region, sunniest first. Darkest month: what 1 kWp of off-grid panels at 70° makes a day in the worst month of the year.

RegionPlacesSun hours/daykWh per kWp a yearBest tiltDarkest month at 70°Sunniest place
Aguascalientes66.031,92922°1.90 kWhCalvillo
Zacatecas116.021,93623°1.94 kWhNochistlán de Mejía
Baja California Sur55.971,86222°2.00 kWhCiudad Constitución
Sonora155.971,94828°2.43 kWhMiguel Alemán (La Doce)
Durango85.961,93225°2.00 kWhLerdo
Guanajuato335.911,88021°1.84 kWhLa Ermita
Jalisco475.901,85421°1.81 kWhVilla Hidalgo
Morelos165.891,84920°1.72 kWhAxochiapan
Sinaloa135.881,85224°1.98 kWhGuasave
Chihuahua125.871,95029°2.38 kWhPedro Meoqui
Guerrero185.851,80119°1.61 kWhTaxco de Alarcón
Nayarit105.841,81721°1.83 kWhIxtlán del Río
Querétaro75.821,85221°1.83 kWhEl Pueblito
Michoacán315.771,80421°1.71 kWhLa Piedad de Cabadas
Colima55.741,76920°1.66 kWhManzanillo
Mexico City205.611,79221°1.71 kWhMilpa Alta
Baja California165.601,87230°2.68 kWhCiudad Guadalupe Victoria
México835.581,78221°1.72 kWhIxtapan de la Sal
Coahuila205.541,77926°2.18 kWhTorreón
Tlaxcala125.521,76420°1.71 kWhVilla Vicente Guerrero
Puebla375.511,74720°1.71 kWhIzúcar de Matamoros
Oaxaca185.441,67418°1.55 kWhPinotepa Nacional
San Luis Potosí115.441,71221°1.87 kWhSalinas de Hidalgo
Campeche45.391,62118°1.70 kWhCampeche
Yucatán145.351,62419°1.78 kWhHunucmá
Hidalgo185.351,70020°1.76 kWhTula de Allende
Nuevo León235.351,70824°2.07 kWhGarcía
Chiapas265.301,61417°1.51 kWhPijijiapan
Quintana Roo65.261,59119°1.69 kWhCancún
Tabasco145.061,51716°1.63 kWhTenosique
Tamaulipas135.041,55421°1.98 kWhCiudad Victoria
Veracruz534.871,48617°1.67 kWhCiudad Mendoza

Largest places in Mexico at a glance

PlaceLatitudeBest tiltOff-grid tiltSun hours/day (flat)
Mexico City19.4° N21°14°5.57
Tijuana32.5° N30°44°5.36
Iztapalapa19.4° N21°14°5.61
Puebla19.0° N20°14°5.66
Ecatepec de Morelos19.6° N21°15°5.52
Santiago de Querétaro20.6° N21°16°5.85
León de los Aldama21.1° N22°17°5.97
Ciudad Juárez31.7° N30°35°5.86
Zapopan20.7° N21°16°5.93
Guadalajara20.7° N21°16°5.93
Mérida21.0° N19°25°5.42
Gustavo Adolfo Madero19.5° N21°15°5.54
Monterrey25.7° N24°31°5.38
Ciudad Nezahualcoyotl19.4° N21°14°5.59
Mexicali32.6° N30°41°5.94
Chihuahua28.6° N28°25°5.89
Cancún21.2° N19°26°5.35
Naucalpan de Juárez19.5° N21°14°5.54
Hermosillo29.1° N28°30°6.04
Culiacán24.8° N25°21°5.85

Daylight and clock time in Mexico

In Santa Isabel (32.6° N), the northernmost place, the longest day of the year lasts 14 h 18 min and the shortest 10 h 00 min; in Tapachula (14.9° N), the southernmost, 13 h 01 min and 11 h 15 min. Some parts of Mexico change the clocks and some do not; the table shows each time zone.

Time zonePlacesUTC offsetClocks change in 2026
America/Mexico_City447UTC−6no daylight saving time
America/Monterrey59UTC−6no daylight saving time
America/Merida36UTC−6no daylight saving time
America/Mazatlan26UTC−7no daylight saving time
America/Tijuana16UTC−8, in summer UTC−7Forward on Sun 8 Mar, back on Sun 1 Nov
America/Hermosillo15UTC−7no daylight saving time
America/Chihuahua9UTC−6no daylight saving time
America/Cancun6UTC−5no daylight saving time
America/Matamoros6UTC−6, in summer UTC−5Forward on Sun 8 Mar, back on Sun 1 Nov
America/Ojinaga2UTC−6, in summer UTC−5Forward on Sun 8 Mar, back on Sun 1 Nov
America/Bahia_Banderas2UTC−6no daylight saving time
America/Ciudad_Juarez1UTC−7, in summer UTC−6Forward on Sun 8 Mar, back on Sun 1 Nov

Questions about solar in Mexico

What is the best angle for solar panels in Mexico?
Facing south, between 15° and 30° depending on the place — 21° on average over 625 places. Off-grid systems that must get through the darkest month do better steeper, at about 21° on average.
How many peak sun hours does Mexico get?
From 4.6 hours a day in Poza Rica de Hidalgo to 6.1 in Ciudad Constitución on flat ground, averaged over the year; 5.6 on average.
How much electricity does 1 kWp of solar panels produce in Mexico?
About 1,754 kWh a year at the best fixed angle on average, from 1,398 kWh in Poza Rica de Hidalgo to 1,981 kWh in Cuauhtémoc. These are long-term climate averages; a single year can be several per cent higher or lower.
Where is the sunniest place in Mexico?
Ciudad Constitución (Baja California Sur) gets the most sun of the 625 places: 6.12 peak sun hours a day on flat ground, so 1 kWp there makes about 1,933 kWh a year.
Does Mexico use daylight saving time?
Some parts of Mexico change the clocks and some do not; the table shows each time zone.
How long is the longest day in Mexico?
14 h 18 min in Santa Isabel; the shortest day lasts 10 h 00 min in Santa Isabel.

All places in Mexico