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Climate of Mexico

Mexico’s climate showcases a remarkable diversity attributed to its varied geography.

From high mountains that influence temperature shifts to expansive lowlands with hot and humid conditions, and the moderating impact of coastal regions, the country’s landscape creates a rich tapestry of climatic zones.

Temperature variations in Mexico

Temperature variations are influenced by latitude, elevation, and regional geography.

North of the 24th parallel, winters have lower temperatures, creating a distinct contrast with the more temperate conditions south of the 24th parallel. This geographical diversity contributes to the climate tapestry of Mexico.

Impact of elevation on climate

Elevation plays a crucial role in shaping the climate of Mexico. Regions south of the 24th parallel, with elevations up to 1000 m, such as the coastal plains and Yucatán, maintain a yearly median temperature between 24 and 28 °C.

The relationship between elevation and temperature creates a unique climate mosaic, with towns and cities experiencing pleasant temperatures throughout the year, while more northerly locations undergo substantial seasonal variations.

As one ascends beyond 1000 meters, a shift in climate becomes evident.

Between 1000 and 2000 m, yearly average temperatures range between 16 and 20 °C.

Towns and cities at this elevation south of the 24th parallel enjoy relatively constant, pleasant temperatures year-round. In contrast, more northerly locations experience sizeable seasonal variations, adding another layer to Mexico’s climate diversity.

Above 2000 meters, temperatures drop further, with an average yearly range between 8 and 12 °C in the Cordillera Neovolcánica.

Mexico City, situated at 2300 m, has a yearly median temperature of 15 °C, characterized by pleasant summers and mild winters. Average daily highs and lows for different months provide a nuanced understanding of Mexico City’s climatic nuances.

Rainfall patterns across the country

Mexico’s diverse topography also influences rainfall patterns.

Arid or semiarid conditions dominate Mexican regions such as the Baja California Peninsula, Sonora, and parts of the altiplano, where rainfall averages between 300 and 600 mm per year.

In contrast, major populated areas of the southern altiplano, including Mexico City and Guadalajara, experience a higher annual rainfall range, typically between 600 and 1000 millimeters.

Low-lying areas along the Gulf of Mexico receive in excess of 1000 mm of rainfall in an average year.

The southeastern state of Tabasco stands out as the wettest region, receiving approximately 2000 mm of rainfall annually.

These variations create distinct climates that residents and visitors must navigate.

Wet and dry seasons

Mexico experiences pronounced wet and dry seasons, adding further complexity to its climate. The rainy season typically spans from June to mid-October, with February and July representing the driest and wettest months, respectively.

Coastal areas, especially along the Gulf of Mexico, receive the most rain in September, while the state of Tabasco typically witnesses over 300 mm of rainfall during the month.

Unique climatic features

Certain regions in Mexico exhibit unique climatic features. Northwestern Baja California, influenced by the California Current, has a Mediterranean climate, with a rainy season occurring in winter and considerable coastal fog.

Interior Sonora, influenced by elevation, also experiences Mediterranean-like conditions, showcasing the intricate interplay between geography and climate.

Mexico lies squarely within the hurricane belt, making it susceptible to hurricanes from June through November. While hurricanes on the Pacific coast are often less violent, those affecting the Caribbean and Gulf of Mexico can bring extensive damage.

The historical impact of Hurricane Gilbert in 1988 serves as a poignant reminder of the country’s vulnerability to these natural phenomena.

Read more about the most active hurricane regions in Mexico.

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