Weather in Jamaica in August

August sees somewhat heightened temperatures and more rain than the previous months, but is the peak of the summer heat in Jamaica. This off-season vacation month is popular for families, whether or not the weather holds all day each day of your stay on Jamaica.

Typical Weather in August

August temperatures in Jamaica range from an average low of 77.0 degrees to an average high of 89.0 degrees

 

Jamaica in August: Key Facts
Monthly Averages
High Low Rainfall
(inches)
No. of Days
with Rain
89.0° F 77.0° F 5.2 N.A.

On any given day during August in Jamaica, you can expect early morning temperatures to be around 79.3 degrees. Temperatures in Jamaica typically rise during the day, to an average of 87.7 degrees in the early afternoon. The temperature in Jamaica will typically decline by early evening, to approximately 81.7 degrees. For the month of August as a whole, temperatures in Jamaica average around 81.9 degrees.

 

August Temperatures in Jamaica by Time of Day
Early Morning Late Morning Early Afternoon Late Afternoon Early Evening Overall
79.3° F 85.9° F 87.7° F 84.7° F 81.7° F 81.9° F

 

Rain

Rain is least likely to occur in Jamaica during August around 4:00 AM, and it is most likely to occur around 4:00 PM. In Jamaica during August, thunderstorms -- when they occur -- are most likely sometime around 4:00 PM.

 

August Rainfall in Jamaica by Time of Day
  Percent Frequencies of Hourly Observations
Hour Rain
and/or
Drizzle
Thunder-
storms
1:00 AM 2.7 % 2.4 %
4:00 AM .3 % 1.2 %
7:00 AM 2.7 % 1.4 %
10:00 AM 1.7 % .4 %
1:00 PM 7.3 % 10.0 %
4:00 PM 16.2 % 15.6 %
7:00 PM 7.1 % 4.7 %
10:00 PM 3.8 % .9 %
ALL 5.4 % 4.8 %
 

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