Vitamin D from sunlight in Mexico
How long you need in the sun to make vitamin D, and when the sun is too low to make any at all, for 8 cities in Mexico.
| City | Latitude | Elevation | Vitamin D winter |
|---|---|---|---|
| Mexico City | 19.43°N | 2,240 m | none |
| Tijuana | 32.50°N | 97 m | none |
| Iztapalapa | 19.36°N | 2,238 m | none |
| Puebla | 19.05°N | 2,166 m | none |
| Ecatepec de Morelos | 19.60°N | 2,306 m | none |
| Santiago de Querétaro | 20.59°N | 1,826 m | none |
| León de los Aldama | 21.12°N | 1,803 m | none |
| Ciudad Juárez | 31.72°N | 1,124 m | none |
The same sun that makes vitamin D also burns. UV index and sunburn times in Mexico →