Weather in Caribbean in August

Typical Weather in August

August temperatures in the Caribbean range from an average low of 77.9 degrees to an average high of 87.9 degrees . During the month of August, it rains an average of 11.9 days , with an average total rainfall of about 6.3 inches . However, the data in these tables includes all precipitation, no matter how slight.

 

August Weather in the Caribbean: Key Facts
Monthly Averages
High Low Rainfall
(inches)
No. of Days
with Rain
87.9° F 77.9° F 6.29091 11.85714

 

Temperature

During the early morning hours of an average August day in the Caribbean, you can expect the temperature will be in the vicinity of 79.8 degrees. Temperatures in the Caribbean typically rise during the day, to an average of 86.9 degrees in the early afternoon. By early evening, temperatures in the Caribbean generally decline to around 81.7 degrees. Overall, temperatures in the Caribbean during August average around 82.6 degrees.

 

August Temperatures in the Caribbean by Time of Day
Early Morning Late Morning Early Afternoon Late Afternoon Early Evening Overall
79.8° F 85.4° F 86.9° F 85.3° F 81.7° F 82.6° F

 

Rain

Rain is least likely to occur in the Caribbean during August around 6:00 PM, and it is most likely to occur around 2:00 PM. In the Caribbean during August, thunderstorms when they occur -- are most likely sometime around 4:00 PM.

 

August Rainfall in the Caribbean by Time of Day
  Percent Frequencies of Hourly Observations
Hour Rain
and/or
Drizzle
Thunder-
storms
12:00 AM (midnight) 4.2 % 1.6 %
1:00 AM 11.4 % 1.9 %
2:00 AM 9.1 % 1.8 %
3:00 AM 3.2 % 2.0 %
4:00 AM 8.8 % 1.9 %
5:00 AM 10.5 % 2.4 %
6:00 AM 7.0 % 3.4 %
7:00 AM 14.0 % 2.5 %
8:00 AM 14.4 % 1.6 %
9:00 AM 6.6 % 2.4 %
10:00 AM 11.4 % 2.3 %
11:00 AM 14.2 % 2.0 %
12:00 PM (noon) 7.9 % 3.6 %
1:00 PM 11.6 % 5.2 %
2:00 PM 15.3 % 5.2 %
3:00 PM 4.6 % 2.8 %
4:00 PM 13.7 % 6.1 %
5:00 PM 13.3 % 5.4 %
6:00 PM 2.8 % 0.8 %
7:00 PM 10.0 % 3.4 %
8:00 PM 9.7 % 2.8 %
9:00 PM 4.3 % 1.2 %
10:00 PM 11.5 % 1.8 %
11:00 PM 8.4 % 2.0 %
ALL 11.8 % 3.1 %

 

Island Rankings

To help you decide which island is perfect for you, try the links below, in which the islands of the region are listed; ranked for the month of August by the weather conditions listed below.

 

 

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