October Weather in Puerto Rico





The tables below give the normal October temperatures and rainfall for cities and popular vacation spots in Puerto Rico. There's also information here on hurricanes, plus this month's average humidity and ocean temperature.

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 October temperatures in Puerto Rico
High °F Low °F Place High °C Low °C
88 72 Aguirre 31 22
80 68 Aibonito 27 20
90 69 Caguas 32 21
88 76 Ceiba 31 24
86 72 Dorado 30 22
89 76 Guayama 32 24
86 72 Isabela 30 22
87 71 Juncos 31 22
90 75 La Parguera 32 24
91 70 Lajas 33 21
88 75 Levittown 31 24
87 71 Manati 30 22
80 67 Maricao 27 19
90 73 Mayagüez 32 23
91 72 Mona Island 33 22
71 64 Pico Del Este 22 18
91 68 Ponce 33 20
89 77 San Juan 31 25

Ocean Temperature at San Juan, Puerto Rico averages 83 degrees Fahrenheit (28 degrees Celsius) in October.

Rainfall

Average total precipitation in October. Days are when it rains at least 0.01 inches (0.25 millimetres).
Days Place Inches Milli­metres
11 Aguirre 5.7 144
16 Aibonito 8.0 202
18 Caguas 7.0 177
18 Ceiba 5.8 146
16 Dorado 6.4 162
18 Guayama 7.2 183
17 Isabela 7.0 177
17 Juncos 7.6 193
La Parguera 6.3 159
14 Lajas 6.3 161
Levittown 7.1 181
15 Manati 5.7 144
Maricao 13.7 347
14 Mayagüez 6.5 165
13 Mona Island 4.5 114
13 Ponce 5.4 137
18 San Juan 5.2 132

Relative Humidity at San Juan, Puerto Rico in October averages 80 percent in the morning and 67 percent in the afternoon.

Hurricanes and Tropical Storms

No hurricanes are expected near Puerto Rico in October. Chances that a named tropical storm will affect Puerto Rico this month are around four percent.

References

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

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

NOAA. National Weather Service. National Hurricane Center.

Puerto Rico
Temperature & Rainfall
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