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Mexico's Climate
The country of Mexico straddles the Tropic of Cancer which almost bisects it's north-south distance and it's climate ranges predominantly from temperate to sub-tropical. Positioned fairly narrowly in much of it's extension between the Gulf of Mexico and Caribbean to the east and the Pacific Ocean and Sea of Cortez (Gulf of California) to the west and south, the country's climate is greatly affected by these large bodies of water as well as by the configuration of the Eastern and Western Sierra Madre mountain ranges that extend along most of each coastline.
Most of Mexico experiences a defined rainy season during the summer months. Though rains often begin falling in May and can extend well into October, regular rains are most likely to fall only from June through September, with both of these months receiving the heaviest rainfall of the whole season. July and August rains tend to be of slightly lesser strength and frequency, but all these patterns a vary widely according to the prevailing tropical storms of the season.
Average annual temperatures in the more tropical coastal regions of Mexico range from about 77 to 82 degrees F although in areas temperatures can soar to over 100 F in both the dry, northern desert and humid, southern tropical areas. At the higher altitudes of the central plains, average annual temperatures tend to be in the 63 to 70 F range, and at the highest altitudes (above 7,000 ft or so) they hover at around 60 F.
