Last updated: January 18, 2025
San Lorenzo, Puerto Rico, is characterized by a tropical monsoon climate according to the Köppen-Geiger classification system (Am). The region experiences a warm tropical climate with an annual average temperature of 26°C (78°F), providing a generally inviting environment year-round. January marks the cooler end of the spectrum with a minimum temperature of 19°C (66°F), while the peak warmth occurs in September, where temperatures can soar to a maximum of 32°C (90°F). This temperature range highlights the region's vibrant ecological diversity, drawing attention to its unique climatic patterns that significantly influence local weather and lifestyle.
In San Lorenzo, Puerto Rico, temperature patterns exhibit a subtle seasonal shift, with mild variations throughout the year. January starts the year cool, with minimum temperatures of 19°C (66°F), gradually warming as winter transitions to late spring. By May, temperatures peak, reaching maximums around 31°C (87°F). The summer months of June through September maintain consistently warm averages of 27°C (81°F), with September marking the highest maximum at 32°C (90°F). As the year progresses into October and November, temperatures begin to cool slightly, returning to averages of 26°C (79°F), while December sees a minor drop with minimums around 21°C (71°F). This cyclical warmth punctuated by slight monthly variations illustrates San Lorenzo's tropical climate, where seasonal transitions are characterized by warm, inviting weather year-round.
San Lorenzo, Puerto Rico, experiences a dynamic precipitation pattern throughout the year, with annual rainfall predominantly observed from May to October, coinciding with the region's wet season. March marks the beginning of the increase in rainfall, with 80 mm (3.2 in.), followed by a significant rise in May and June, when monthly totals reach 98 mm and 99 mm respectively. The wettest months are September and October, with rainfall amounts soaring to 200 mm (7.9 in) and 183 mm (7.2 in), indicating the peak of the hurricane season.
Rainfall is frequent, with the number of rainy days escalating to an average of 27 days during both September and October. This trend is consistent across the summer months, where July and August also see considerable precipitation averaging 124 mm (4.9 in) and 130 mm (5.1 in) respectively. In contrast, the dryer months of January and December bring only 48 mm (1.9 in) and 66 mm (2.6 in) of rain, with a notable reduction in rainy days. This seasonal variability emphasizes San Lorenzo's tropical climate, where lush vegetation thrives due to the ample moisture, particularly during the intensified rainfall period.
In San Lorenzo, Puerto Rico, sunshine duration exhibits a clear seasonal progression, characterized by an upward trend from winter into summer. Starting at 257 hours in January, the amount of sunshine gradually increases each month, peaking in May with an impressive 356 hours. This surge signals the onset of the summer season, where residents and visitors alike can capitalize on longer days and abundant sunshine. Both March and April also contribute to this upward trajectory, each recording 346 hours of sunshine, showcasing a transitional period in the early spring.
As summer unfolds, sunshine hours remain consistently high, with July and June experiencing 353 hours and 343 hours respectively. However, a slight decrease is observed in September and October, both contributing 313 hours of sunshine, indicating the impact of seasonal shifts as the region enters its wetter months. Despite this decline, sunshine levels remain relatively high compared to the winter months. November, with 299 hours, hints at the gradual return to longer days as the year approaches its end, while December picks up again with 319 hours. This seasonal cycle highlights San Lorenzo's appeal for sun-seekers, emphasizing an overall trend towards greater sun exposure during the summer months.
The UV Index in San Lorenzo, Puerto Rico, presents a significant seasonal trend, reflecting the area's strong solar intensity throughout the year. Beginning in January with a UV Index of 9, categorized as very high, residents are reminded to take precautions to protect their skin with a burn time of just 15 minutes. As spring approaches, UV levels escalate sharply, peaking at 14 in May, which falls under the extreme category and necessitates protective measures within 10 minutes of sun exposure. This extreme rating continues into the summer months, with the UV Index hovering around 12 to 13, signaling a persistent risk for skin damage and the need for diligent sun safety practices.
As the year progresses towards the end of the calendar, a noticeable dip occurs in the UV Index by November, dropping back to 9, and further decreasing to 8 in December. These months still require attention but indicate a decline in the sun's intensity compared to the peak summer values. It’s crucial for both residents and visitors to be vigilant about sun protection during the high UV Index months, particularly from February through June, ensuring proper skincare to mitigate the risks associated with prolonged sun exposure in this tropical paradise.
UV Risk Categories
In San Lorenzo, Puerto Rico, the daylight duration exhibits a stable yet slightly fluctuating pattern throughout the year, offering approximately 11 hours of daylight during the winter months of January and February. As spring arrives, daylight extends to 12 hours each day from March to May, allowing for longer hours of sunshine and a vibrant atmosphere. This gradual transition marks the onset of warmer temperatures and increased opportunities for outdoor activities, which residents eagerly embrace.
The summer months bring another shift, with daylight reaching a peak of 13 hours in June and July. This increase in daylight is accompanied by the region’s warm weather, attracting both locals and tourists to enjoy beach days and other outdoor pursuits. As summer wanes, daylight durations revert to 12 hours in August and September, before dipping back to 11 hours from October to December. This cyclical pattern showcases the tropical climate's influence on daily life, providing consistent daylight that enhances the natural beauty and outdoor enjoyment of San Lorenzo throughout the year.
Jagual, Puerto Rico experiences a tropical climate characterized by warm temperatures and distinct wet and dry seasons. From January to December, average temperatures range from 24°C (76°F) to 27°C (81°F), with highs typically peaking at around 31°C (88°F) in the summer months. Precipitation is most abundant from May to September, with September receiving an average of 200 mm (7.9 in) of rainfall. The area enjoys a good amount of sunshine, especially from May to August, where monthly sunshine hours exceed 350. For more detailed information, visit Jagual climate.
San Lorenzo, Puerto Rico, enjoys a tropical climate characterized by warm temperatures and distinct wet and dry seasons. Average temperatures range from 24°C (76°F) in January to 27°C (81°F) during the summer months. The region experiences its highest rainfall in September, with 200 mm (7.9 in), while drier months typically see around 48 mm (1.9 in) in January. Sunshine is abundant, peaking at 356 hours in May and averaging 257 hours in January. For more detailed information, visit San Lorenzo climate.
In conclusion, San Lorenzo, Puerto Rico, offers a captivating climate characterized by its warm temperatures, dynamic precipitation patterns, high UV Index, and consistent daylight durations. With temperature averages ranging from 19°C to 32°C throughout the year and substantial rainfall primarily between May and October, the region thrives in a tropical environment that supports lush ecosystems and outdoor activities. The consistently high UV Index, particularly during the spring and summer months, emphasizes the importance of sun safety measures for both residents and visitors. Coupled with an ample amount of daylight, peaking at 13 hours during the summer, San Lorenzo is an inviting destination for those seeking both adventure and relaxation in the embrace of nature's beauty. This harmonious blend of climate factors underscores the area's appeal and serves as a reminder to engage responsibly with its stunning environment.