Last updated: January 18, 2025
Luquillo, Puerto Rico, is characterized by a tropical rainforest climate (Köppen-Geiger classification Am), showcasing a warm and humid atmosphere conducive to diverse ecosystems. The region experiences a minimum temperature of 21°C (70°F) in February, with an average temperature hovering around 26°C (79°F) year-round. Peaks occur in September, where maximum temperatures can reach 31°C (89°F), highlighting the distinct seasonal variations that influence both local weather patterns and the rich biodiversity of this unique landscape.
The temperature patterns in Luquillo, Puerto Rico, illustrate a consistent warm tropical climate throughout the year, with only slight variations. The year begins with mild conditions in January and February, where minimum temperatures stabilize around 21°C (70°F) and average about 25°C (77°F). As spring approaches, March and April see a gradual increase in nighttime lows and peaks, reaching 22°C (72°F) and 29°C (85°F) respectively. The summer months from May to August bring higher temperatures, with average highs consistently hitting 30°C (87°F) and topping out at 31°C (89°F) in September. Throughout the fall, temperatures remain relatively stable, with averages hovering around 27°C (81°F), showcasing the region's limited seasonal temperature change and maintaining its tropical allure year-round.
In the coastal areas of Luquillo, Playa Fortuna, and Ramos, February temperatures reach a comfortable low of 21°C (70°F), while the peak in September sees highs of around 31°C (88°F) in Luquillo and Ramos and 31°C (89°F) in Playa Fortuna. For more detailed climate information, you can explore the monthly temperatures in Luquillo here, in Playa Fortuna here, and in Ramos here.
Luquillo, Puerto Rico, experiences a distinct precipitation pattern characterized by its tropical climate. The year starts with relatively moderate rainfall, averaging 54 mm (2.1 in) in January and 58 mm (2.3 in) in February. However, precipitation steadily increases as spring transitions into summer, with March and April witnessing 73 mm (2.9 in) and 71 mm (2.8 in) respectively. The rainy season truly begins in May, where rainfall peaks at 97 mm (3.8 in), and continues into June, maintaining similar levels.
The summer months of July and August are particularly significant, as they are the wettest of the year, with 136 mm (5.4 in) and 139 mm (5.5 in) of rain, respectively. September marks the climax of precipitation, reaching up to 181 mm (7.1 in). As autumn unfolds, rainfall begins to taper off, with October and November recording 172 mm (6.8 in) and 125 mm (4.9 in), before closing the year with 77 mm (3.0 in) in December. Despite variations in volume, the frequent rainfall throughout the year—spanning 16 to 26 days each month—ensures the lush biodiversity characteristic of the region is sustained.
In Luquillo, Puerto Rico, sunshine duration exhibits a clear seasonal trend, with hours of sunlight steadily increasing from winter to summer. January starts off with 258 hours of sunshine, gradually climbing to 302 hours in February. As spring arrives, this upward trajectory continues with March and April each basking in 348 hours of sunlight, signaling the transition towards brighter days. May marks a significant peak in sunlight with 357 hours, showcasing the region's increasingly vibrant weather as it moves into summer.
The months of June and July maintain high sunshine levels, with 344 hours and 354 hours respectively, before slightly tapering off in August and September to 349 hours and 318 hours. The fall months of October and November see a minor decline, with 316 hours and 302 hours, before culminating in December's 320 hours of sunshine. Overall, the summer months emerge as optimal for sunshine exposure, while the early winter months experience the least sunlight, highlighting Luquillo's overall warm and sunny climate that delights residents and visitors alike throughout the year.
In Luquillo, Puerto Rico, the UV Index reveals notable variations throughout the year, characterized by consistently high levels that pose significant risks for sun exposure. Starting at 9 in January, categorized as very high, the index climbs sharply to 11 in February, marking the onset of extreme exposure conditions. This trend continues with March through June maintaining a UV Index of 13, indicating that sunburns can occur in as little as 10 minutes of unprotected exposure. This sustained high index underscores the importance of sun safety measures during these months, especially as temperatures rise and outdoor activities increase.
As summer transitions into fall, July and August have slightly lower indices of 12 and 13, respectively, but remain within the extreme category. September reaches the peak at 14, again demanding heightened caution for sun protection. Falling back to 12 in October and seeing a decrease to 9 in November and 8 in December, the latter months provide a slight reprieve with very high exposure levels. Nonetheless, it is vital for residents and visitors to remain vigilant about UV exposure year-round, regardless of season, to mitigate the risk of skin damage.
UV Risk Categories
In Luquillo, Puerto Rico, daylight duration showcases a relatively stable pattern throughout the year, reflecting the region's tropical latitude. January and February both offer 11 hours of daylight, providing consistent light during the winter months. As spring approaches, daylight gradually increases, reaching 12 hours from March through May. This steady rise indicates the transition into longer days as the region nears the summer solstice.
The peak of daylight is observed in June and July, where the duration extends to 13 hours, allowing ample time for outdoor activities and embracing the vibrant natural surroundings. However, as summer gives way to fall, the daylight duration returns to 12 hours in August and September before tapering back down to 11 hours from October through December. This consistent daylight cycle, characterized by slight seasonal fluctuations, contributes to the warm and welcoming atmosphere that defines Luquillo year-round.
Luquillo, Puerto Rico experiences a tropical climate characterized by warm temperatures year-round, with average monthly highs ranging from 25°C (77°F) in January to 31°C (88°F) in September. The region sees significant rainfall from May through October, peaking in September with 195 mm (7.7 in). Despite the precipitation, Luquillo enjoys considerable sunshine, particularly in May, with up to 357 hours of sun. Visitors can expect a pleasant climate, making it an ideal destination for outdoor activities and beachgoers. For more detailed information, visit Luquillo climate.
Playa Fortuna, Puerto Rico enjoys a tropical climate characterized by warm temperatures year-round. Average temperatures range from 25°C (77°F) in winter months to 28°C (82°F) during the summer peak. The area experiences the highest rainfall in September with 154 mm (6.0 in), while sunshine is abundant, particularly in May with 357 hours recorded. For more information, visit Playa Fortuna climate.
Ramos, Puerto Rico experiences a tropical climate characterized by warm temperatures throughout the year. Average monthly temperatures range from 24°C (75°F) in January to a peak of 27°C (81°F) in the summer months, with maximum temperatures occasionally reaching 31°C (88°F) in September. The area receives significant rainfall, particularly during the wet season from May to October, where September sees the highest precipitation at 195 mm (7.7 in). Despite this, Ramos enjoys considerable sunshine, with May typically offering the most at 357 hours. For more information, visit Ramos climate.
In conclusion, Luquillo, Puerto Rico, is characterized by a distinct tropical climate that influences its temperature, precipitation, sunshine duration, UV index, and daylight patterns throughout the year. With consistently warm temperatures and significant rainfall, the region showcases a lush environment that thrives under ample sunshine, particularly during the summer months. The high UV index underscores the importance of sun safety for residents and visitors alike, emphasizing the need for protective measures during peak hours. Despite variations in daylight, Luquillo's climate fosters an inviting atmosphere that attracts outdoor enthusiasts year-round, encapsulating the essence of a vibrant Caribbean locale.