With a population of around 1,800, Monte Grande sits in Cabo Rojo, Puerto Rico. The city operates in the America/Puerto Rico time zone.
In 2025, Monte Grande averaged an annual temperature of 79°F, with hottest temperatures reaching 93°F in August and lowest around 63°F in December. The city received approximately 35 inches of precipitation during the year.
View historical weather for Monte Grande · More cities in Cabo Rojo