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Jamaica Climate

One of Jamaica’s greatest allures is its idyllic tropical maritime climate. Coastal temperatures average a near-constant 80F to 86F year-round. Temperatures fall steadily with increasing altitude but even in the Blue Mountains average 65F or more. Down by the shore, days are cooled be warm trade winds – known as “doctor breeze”. A less noticeable nocturnal offshore breeze is known locally as ‘the undertaker’. Cool ‘northers’ can also blow December to March, when cold fronts that bring freezing conditions to Florida can affect Jamaica.

Annual rainfall average 78 inches, but there are considerable variations nationwide, with the eastern (or windward) coast receiving considerably more rain than elsewhere on the island. Parts of the John Crow and Blue Mountains receive an average of 300 inches a year. By contrast, the south coast sees little rain and in places is semibarren.

A “rainy season” begins in May or June and extends through November or December, with the heaviest rains in September and October. Rain can fall at any time of year, however, and normally comes in short, heavy showers, often followed by sun.

Although Jamaica lies in the Caribbean “hurricane belt”, relatively few hurricanes touch it. Officially the hurricane season lasts from June 1 to November 30; August and September are peak months.

Jamaica weather year round

  Average High Average Low Rainfall
Month F C F C in.
January 86 30 67 20 0.9
February 86 29 67 20 0.6
March 86 30 68 20.5 0.9
April 87 31 70 21.1 1.2
May 87 31 72 22 4.0
June 89 32 74 23 3.4
July 90 32 73 22.6 3.4
August 90 32 73 26.7 3.5
September 89 32 73 22.6 3.8
October 88 32 73 22.6 7.0
November 87 31 71 21.8 3.0
December 87 31 69 20.5 1.4

Discuss This Article (Climate)

Recent Comments

Very appreciative

by Tiana from Detriot Michigan

My oppinion is that you should keep this information online because there are not many resources on climate.

Weather in september in jamaica

by Kerry from Norfolk, England

Hi, we have been to Jamaica in June, and its fantastic it reached around 33 degrees. A little rain now and again, but as soon as it comes it's gone. We are going back in September this year, just for a little change!

Weather in June

by Toni-Marie from England

Has anyone ever been to Jamaica in June? Really want to go but i went to Mexico in June and it rained so much, it wasn't good! :o)

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