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.
| 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.
| 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.
| Percent Frequencies of Hourly Observations | | Hour | Rain
and/or
Drizzle | Thunder-
storms |
| 12:00 AM (midnight) |
4.2 % |
1.55 % |
| 1:00 AM |
11.433333333333 % |
1.8833333333333 % |
| 2:00 AM |
9.09375 % |
1.7875 % |
| 3:00 AM |
3.25 % |
1.95 % |
| 4:00 AM |
8.8333333333333 % |
1.8833333333333 % |
| 5:00 AM |
10.471875 % |
2.36875 % |
| 6:00 AM |
7.0 % |
3.45 % |
| 7:00 AM |
14.05 % |
2.4666666666667 % |
| 8:00 AM |
14.359375 % |
1.6 % |
| 9:00 AM |
6.6 % |
2.4 % |
| 10:00 AM |
11.35 % |
2.3 % |
| 11:00 AM |
14.221875 % |
2.0125 % |
| 12:00 PM (noon) |
7.9 % |
3.6 % |
| 1:00 PM |
11.633333333333 % |
5.15 % |
| 2:00 PM |
15.2875 % |
5.1625 % |
| 3:00 PM |
4.55 % |
2.8 % |
| 4:00 PM |
13.7 % |
6.1333333333333 % |
| 5:00 PM |
13.30625 % |
5.4125 % |
| 6:00 PM |
2.8 % |
0.85 % |
| 7:00 PM |
10.05 % |
3.35 % |
| 8:00 PM |
9.71875 % |
2.753125 % |
| 9:00 PM |
4.3 % |
1.25 % |
| 10:00 PM |
11.516666666667 % |
1.7666666666667 % |
| 11:00 PM |
8.40625 % |
2.015625 % |
| ALL |
11.841304347826 % |
3.1152173913043 % |
|
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.
Related Articles
Learn all about rain patterns in the Caribbean.
Learn about the Caribbean's daily temperatures so you know what to expect when you arrive on your vacation.
Knowing about the daily temperatures in the Caribbean can help you to plan for your vacation.
