April Weather in Puerto Rico





The tables below give the normal April temperatures and rainfall for cities and popular vacation spots in Puerto Rico. There's also information here on this month's average humidity and ocean temperature at San Juan.

The temperature and rain measurements are averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

One site, Pico Del Este, is much cooler than others on the list. That's because it's a high mountain peak, at 3448 feet (1050 metres) elevation, in the El Yunque Caribbean National Forest.

Temperature

Average April temperatures in Puerto Rico
High °F Low °F Place High °C Low °C
85 69 Aguirre 30 21
78 63 Aibonito 26 17
88 66 Caguas 31 19
86 73 Ceiba 30 23
84 70 Dorado 29 21
87 74 Guayama 31 23
83 69 Isabela 29 20
85 68 Juncos 30 20
87 72 La Parguera 30 22
88 66 Lajas 31 19
86 72 Levittown 30 22
84 68 Manati 29 20
77 63 Maricao 25 17
87 69 Mayagüez 31 21
89 69 Mona Island 31 21
68 60 Pico Del Este 20 15
89 65 Ponce 32 18
86 74 San Juan 30 23

Ocean Temperature at San Juan, Puerto Rico averages 80 degrees Fahrenheit (27 degrees Celsius) in April.

Rainfall

Average total precipitation in April. Days are when it rains at least 0.01 inches (0.25 millimetres).
Days Place Inches Milli­metres
7 Aguirre 1.5 38
12 Aibonito 4.4 113
15 Caguas 4.2 107
13 Ceiba 3.0 76
12 Dorado 3.9 100
13 Guayama 2.8 72
12 Isabela 4.9 125
13 Juncos 4.8 121
La Parguera 3.6 91
10 Lajas 3.3 83
Levittown 5.6 143
12 Manati 4.9 125
Maricao 7.9 202
11 Mayagüez 3.9 99
8 Mona Island 2.4 62
9 Ponce 2.3 57
14 San Juan 4.6 117

Relative Humidity at San Juan, Puerto Rico in April averages 75 percent in the morning and 62 percent in the afternoon.

References

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

National Oceanographic Data Center. NODC Coastal Water Temperature Guide (CWTG).

Puerto Rico
Temperature & Rainfall
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