- In the winter, the further south you go, the warmer it will be (no surprise there).
- Summer is the rainy season throughout much of Mexico. Winters are comparatively dry.
- The higher the elevation, the cooler and less humid the air. You can subtract three degrees for every 1,000 feet of elevation
(Toluca at 9,000 ft would be 27 degrees Fahrenheit cooler than Puerto Vallarta at sea level.
- Winter storms sweeping down from the north can affect weather as far south as Cancun, and Puerto Vallarta
- Mexico's East Coast is wetter than the West Coast.
- Southern Mexico is generally rainier than the north.
- Spring (April - May) are the warmest months except on the Pacific Coast, and on the Baja peninsula (there the hottest
months are July and August).
- Mexico's entire coastal areas are subject to high levels of humidity from July through October.
- The most consistently balmy weather can be found on the Pacific Coast from Manzanillo to the Guatemalan border.
- Due to variations in local microclimates, these generalizations should be taken with a grain of salt.
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