Although showers increase during the month of April, visitors should not be concerned as the storms generally occur late in the day and are short lived. Travelers should also be aware that as the trade winds begin to bring increased precipitation from the Atlantic, the chance for rainfall is greater along the northern coast of Puerto Rico than in the south.
Typical Weather in April
April temperatures in Puerto Rico range from an average low of 73.0 degrees to an average high of 86.0 degrees
| Monthly Averages | | High | Low | Rainfall (inches) | No. of Days with Rain |
| 86.0° F |
73.0° F |
3.7 |
N.A. |
|
On any given day during April in Puerto Rico, you can expect early morning temperatures to be around 77.7 degrees.
Temperatures in Puerto Rico typically rise during the day, to an average of 83.9 degrees in the early afternoon.
By early evening, temperatures in Puerto Rico generally decline to around 77.9 degrees.
Temperatures in Puerto Rico average around 78.7 degrees during April.
| Early Morning | Late Morning | Early Afternoon | Late Afternoon | Early Evening | Overall |
| 77.7° F |
83.1° F |
83.9° F |
81.8° F |
77.9° F |
78.7° F |
|
Rain
Rain is most likely to occur around 5:00 PM
during the month of April, and it is least likely to occur around 8:00 AM.
To the extent thunderstorms occur in Puerto Rico during April, they are most likely to occur around 2:00 PM, as shown in the following table.
| Percent Frequencies of Hourly Observations | | Hour | Rain and/or Drizzle | Thunder- storms |
| 2:00 AM |
6 % |
0.1 % |
| 5:00 AM |
5.7 % |
0 % |
| 8:00 AM |
4.2 % |
0 % |
| 11:00 AM |
4.7 % |
0 % |
| 2:00 PM |
5.2 % |
0.8 % |
| 5:00 PM |
7.2 % |
0.6 % |
| 8:00 PM |
5.7 % |
0.4 % |
| 11:00 PM |
4.4 % |
0.2 % |
| ALL |
5.4 % |
0.3 % |
|