Rio-Grande Weather Forecast

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Last Updated: December 29, 2025

Rio Grande is a municipality located on the northeastern coast of Puerto Rico.


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Summary

It has a tropical rainforest climate characterized by high temperatures and humidity throughout the year. The average annual temperature ranges from 70°F to 85°F (21°C to 29°C), with the peak occurring between July and September. Precipitation is abundant, with an average annual rainfall of around 100 inches (2,540 mm), making the region lush and green.

The town is blessed with various hydrological constituents, including the Rio Grande de Loíza, one of Puerto Rico's largest rivers. This river serves as a source of water for irrigation and provides opportunities for canoeing and kayaking. The nearby El Yunque National Forest is another prominent feature, known for its dense forest cover, waterfalls, and diverse flora and fauna. Hiking trails within the forest offer visitors a chance to explore the area's natural beauty while enjoying stunning views.

In terms of outdoor recreation opportunities, Rio Grande offers activities such as zip-lining, horseback riding, and golfing. The municipality is home to several world-class golf courses, including the Trump International Golf Club and the Coco Beach Golf & Country Club. Beach lovers can also enjoy the pristine sandy shores, with popular spots like Luquillo Beach located nearby.

Overall, Rio Grande provides a tropical paradise for nature enthusiasts, offering a vibrant climate, rich hydrology, and diverse outdoor recreation opportunities.

       

Weather Forecast

Rio-Grande receives approximately mm of rain per year, with humidity levels near 78% and air temperatures averaging around °C. Rio-Grande has a plant hardyness factor of , meaning plants and agriculture in this region thrive during a short period during spring and early summer. Most plants will die off during the colder winter months.