What are the coldest areas of Mexico?

* Sierra Norte de Puebla: This mountain range is located in the state of Puebla, and is known for its cold climate. The average temperature in the Sierra Norte is around 13°C (55°F), with lows that can drop to -5°C (23°F).

* Nevado de Toluca: This volcano is located in the state of Mexico, and is the highest peak in the country. The average temperature at the summit of Nevado de Toluca is around 0°C (32°F), and the lows can drop to -10°C (14°F).

* Sierra de Juárez: This mountain range is located in the state of Oaxaca, and is known for its rugged terrain and cold climate. The average temperature in the Sierra de Juárez is around 10°C (50°F), and the lows can drop to -2°C (29°F).