Last updated: January 18, 2025
Las Marías, Puerto Rico, is characterized by a tropical rainforest climate (Köppen-Geiger classification Am), marked by consistent warmth throughout the year. The region experiences a minimum temperature of 17°C (63°F) during the cooler month of January, while average temperatures hover around a comfortable 26°C (78°F). The peak warmth occurs in August, where temperatures can reach a maximum of 33°C (91°F), illustrating the region's vibrant and humid tropical nature. This climate fosters lush vegetation and supports a rich biodiversity, making Las Marías a unique ecological locale.
In Las Marías, Puerto Rico, temperature patterns exhibit a tropical rhythm that reflects both seasonal variability and consistent warmth. The year begins with January's cooler temperatures, where minima dip to 17°C (63°F) and maxima reach 30°C (86°F), providing a gentle transition into the more settled conditions of February and March, where averages stabilize around 24°C (76°F). As spring unfolds, temperatures gradually rise, with April showing a slight increase in both minimums and averages, culminating in a warm May with averages climbing to 26°C (79°F) and maxima peaking at 31°C (88°F). The summer months of June through August deliver hotter conditions, marked by peak highs of 32°C (90°F) to 33°C (91°F), and nightly lows in the low 23°C (73°F) range. Autumn brings a gradual cooling trend, returning to moderate temperatures by November and December, with averages settling between 25°C and 26°C (77°F - 78°F) and maxima consistently around the low 31°C (87°F) mark. Overall, this pattern reflects a warm tropical climate with minor fluctuations that define Las Marías' yearly temperature profile.
Las Marias experiences a moderate climate with a minimum temperature of 17°C (63°F) in January and a maximum of 33°C (91°F) in August, showcasing a warm range throughout the year. For more detailed information on the monthly temperatures in Las Marias, visit monthly temperatures in Las Marias.
Las Marías, Puerto Rico, experiences a distinct precipitation pattern throughout the year, with a clear wet season characterized by increasing rainfall from March to October. Starting with relatively low amounts of precipitation in January (22 mm / 0.9 in) and February (33 mm / 1.3 in), the rainfall picks up significantly in March (68 mm / 2.7 in) and reaches its peak during the summer months. June through August records substantial rainfall, with July and August yielding 103 mm (4.1 in) and 106 mm (4.2 in) respectively, setting the stage for the region's peak rainy month in September, where precipitation dramatically increases to 192 mm (7.6 in) over 24 days.
As the year progresses into the fall months, October remains notably wet with 122 mm (4.8 in), while November and December sees a decrease in rainfall, bringing totals to 98 mm (3.9 in) and 28 mm (1.1 in), respectively. This seasonal fluctuation in precipitation coincides with an increase in rainy days, especially from May onwards, where the number of days with rainfall can reach 20 days in May and 24 days in September. Overall, the climate of Las Marías supports a lush tropical environment, with its wet season playing a crucial role in sustaining the region's rich biodiversity.
In Las Marías, Puerto Rico, sunshine duration exhibits a clear seasonal trend that enhances the tropical allure of this lush landscape. As the year begins in January with 261 hours of sunlight, the hours gradually climb, reaching 307 hours in February. This upward trajectory continues into spring, with March and April showcasing longer days and increasing brightness, peaking at 352 hours in both April and June. The pattern culminates in May and July, where sunshine hours hit their zenith at 361 hours, enveloping the region in radiant warmth and encouraging the vibrant flora to flourish.
As summer gives way to autumn, sunshine hours begin to gradually decrease but remain substantial. September and October both average around 316 hours, highlighting a transition where sunny days are still plentiful, albeit slightly less intensive than in the peak of summer. November and December bring a further reduction, closing the year with 298 hours and 320 hours of sunshine, respectively. Despite this seasonal ebb and flow, Las Marías consistently enjoys ample sunlight throughout the year, making it a perfect destination for outdoor activities and the celebration of its rich natural beauty.
Las Marías, Puerto Rico, experiences consistently high UV Index values throughout the year, underscoring the importance of sun safety for residents and visitors alike. January begins with a UV Index of 9, categorized as very high, indicating that careful sun exposure is essential, with a burn time of just 15 minutes. As the months progress into February, the intensity ramps up with a peak UV Index of 11, classified as extreme, where the potential for sunburn significantly increases, necessitating protective measures within just 10 minutes of exposure. March and April maintain this trend, featuring a UV Index of 13, further emphasizing the need for vigilance against overexposure to the sun's harmful rays.
The intensity of the UV Index reaches its maximum during May with a notable 14, maintaining an extreme exposure category that necessitates swift protection measures. This level of intensity persists into the summer months, with June through September consistently registering a UV Index of 13. October sees a slight decrease to 12, yet the extreme category remains, followed by a return to very high values in November (9) and December (8), with burn times extending to 15 minutes once again. These insights highlight the critical need for sun protection in Las Marías, reinforcing the reality that regardless of the season, precautions against UV exposure are vital.
UV Risk Categories
In Las Marías, Puerto Rico, daylight duration demonstrates a subtle yet noticeable seasonal rhythm throughout the year. The year begins with a stable 11 hours of daylight in both January and February, providing ample time for outdoor activities even in the cooler months. As spring arrives, daylight extends slightly, reaching 12 hours from March to May, offering longer days that encourage exploration of the region's stunning landscapes under the warming sun.
The trend continues into the summer months of June and July, where daylight peaks at 13 hours, creating ideal conditions for sun-soaked adventures and agricultural endeavors. However, as summer transitions into autumn, daylight begins to taper off, returning to 12 hours in August and September, and then back to 11 hours from October through December. This consistent pattern of daylight duration not only emphasizes the pleasant tropical environment of Las Marías but also supports a range of seasonal activities, from cultural festivities to outdoor excursions.
The climate in Las Marias, Puerto Rico, is characterized by warm temperatures year-round, with average highs ranging from 24°C (76°F) in January to 27°C (81°F) from June to August. Precipitation varies significantly, peaking at 192 mm (7.6 in) in September, while the driest month is January with only 22 mm (0.9 in). Sunshine hours are plentiful, especially from May to July, boasting over 360 hours of sunlight. Overall, Las Marias enjoys a tropical climate that balances warmth with a notable rainy season. For more details, visit Las Marias climate.
In conclusion, Las Marías, Puerto Rico, presents a captivating climatic profile characterized by its tropical rainforest climate, distinctive rainfall patterns, abundant sunshine, and high UV index. The region enjoys a warm and inviting temperature range throughout the year, with a marked wet season that nourishes its rich biodiversity. The reliable daylight duration, combined with high sunshine hours, ensures that residents and visitors can fully engage with the natural beauty and outdoor offerings of this verdant locale. As awareness of UV exposure remains crucial, proactive sun safety measures are essential for maximizing enjoyment in this vibrant paradise. Overall, Las Marías encapsulates the allure of a tropical haven, making it a remarkable destination for ecological exploration and cultural enrichment.