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Jamaica Climate
From: Jamaica Adventure Guide


The average annual temperature is 82°, but expect temperatures to be hotter during afternoon hours (and feel much hotter because of high humidity levels). Fortunately, the island is blessed with northeasterly trade winds that keep you from sweltering no matter what time of year.

Month High/Low (F) Rain Days
January 86/67 3
February 86/67 3
March 86/68 2
April 87/70 3
May 87/72 4
June 89/74 5
July 90/73 4
August 90/73 7
September 89/73 6
October 88/73 9
November 87/71 5
December 87/69 4


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Jamaica Adventure Guide - This travel guide walks with the adventurous traveler to the heart of Jamaica, to the miles of sand beaches, to the rugged Blue Mountains, to the country villages that provide a peek at the real Jamaica

Mention weather and the Caribbean in the same sentence and, quite predictably, the topic of hurricanes arises. These deadly storms are officially a threat from June through November, although the greatest danger is during the later months, basically August through October. (September is the worst.)

Hurricanes are defined as revolving storms with wind speeds of 75 mph or greater. These counterclockwise storms begin as waves off the west coast of Africa and work their way across the Atlantic, some eventually gaining strength and becoming tropical depressions (under 40 mph) or tropical storms (40-74 mph). Excellent warning systems keep islands posted on the possibility of oncoming storms.

Atlantic hurricanes are ranked by the Saffir-Simpson intensity scale to give an estimate of the potential flooding and damage. Category Three and higher are considered intense.
One 74-95 Minimal: Damage primarily to shrubbery, trees and foliage.

96-110 Moderate: Considerable damage to shrubbery and foliage. Some trees blown down. Some damage to roofing materials.
Three 111-130 Extensive: Foliage torn from stress; large trees down. Some structural damage to buildings. Mobile homes destroyed. Coastal flooding.
Four 131-155 Extreme: Complete failure of roofs. Major beach erosion. Massive evacuation of all homes within 500 yards of shoreline. Hurricane Andrew, which hit South Florida in 1992, was a “Force Four.”
Five 155+ Catastrophic: Some complete building failures. Low-lying escape routes inland cut off by rising water three to five hours before the hurricane’s “eye” arrives.

Rainfall varies with the season. Overall, the island gets an average of 78 inches a year (one look around at the lush vegetation and you’ll see that it’s put to good use.) The lion’s share of the rain falls in the misty Blue Mountains, source of some of the world’s best coffee. Usually along the coast, rain showers are brief and heavy, coming in mid-afternoon and clearing up before you can run inside. The rainiest months are May and October.

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