Last updated: January 18, 2025
The climate of Carolina, Puerto Rico, classified under the Köppen-Geiger system as Am (Tropical Monsoon), is characterized by warm and stable temperatures throughout the year. January experiences a mild minimum of 21°C (69°F), with an average temperature rising to 26°C (80°F). By September, residents and visitors encounter the peak warmth, with maximum temperatures reaching 32°C (90°F). This consistent tropical climate promotes a vibrant ecosystem, drawing both nature enthusiasts and those seeking a sun-soaked retreat.
In Carolina, Puerto Rico, temperature patterns exhibit a gentle transition throughout the year, reflecting a tropical climate characterized by mild to warm conditions. The year begins with consistent January and February temperatures, where minimums hover around 21°C (69°F) and averages remain stable at 25°C (77°F). As spring approaches in March and April, a gradual increase is noted, with daytime highs peaking at 30°C (86°F) and 31°C (88°F), respectively. The arrival of summer in May brings further warmth, with maximum temperatures consistently reaching 32°C (90°F) from May through September. Notably, nighttime lows rarely dip below 24°C (75°F) during these months, fostering a warm, tropical atmosphere. The transition into fall sees a slight decrease in temperatures, especially by November and December, where average highs settle at 31°C (87°F) and 26°C (78°F), maintaining a pleasantly warm end to the year.
In Carolina, temperatures range from a minimum of 21°C (69°F) in January to a maximum of 32°C (90°F) in September, showcasing the warm tropical climate throughout the year. For more detailed information on monthly temperatures, you can visit monthly temperatures in Carolina.
Precipitation in Carolina, Puerto Rico, exhibits distinct seasonal variations, with rainfall peaking during the latter half of the year. January and February start off relatively dry, with average rainfall of 38 mm (1.5 in) and 43 mm (1.7 in), respectively, and approximately 12 days of rain each month. As spring transitions into summer, March experiences a significant uptick to 67 mm (2.6 in), paving the way for wetter conditions. By June, average precipitation reaches 68 mm (2.7 in), setting the stage for the rainiest months ahead.
The summer months of July and August are marked by substantial rainfall, with 87 mm (3.4 in) and 99 mm (3.9 in), respectively, and an increase in rainy days to 18 for both months. The peak of the rainy season occurs in September, where totals soar to 173 mm (6.8 in) across about 23 days, followed by 145 mm (5.7 in) in October. This trend continues into November, which records 106 mm (4.2 in), before precipitation levels taper off to 51 mm (2.0 in) by December. Overall, Carolina’s tropical climate is heavily influenced by its pronounced wet season, shaping both its landscape and biodiversity.
In Carolina, Puerto Rico, sunshine duration showcases a pronounced seasonal trend, with a steady increase in light hours from winter into summer. Starting the year with 257 hours of sunshine in January, the region gradually sees an escalation as February records 303 hours, marking the beginning of a sunnier stretch. March and April both feature 346 hours, creating an inviting spring atmosphere. By May, the sunshine peaks at 356 hours, establishing it as one of the sunniest months of the year, a trend that remains strong as summer approaches.
As summer unfolds, sunshine duration continues to be abundant, with hours hovering around the 340-hour mark in June, July, and August. Despite a slight decline during September, which retains 313 hours, the sunlight levels remain generous. Moving into the fall, October and November mirror September’s totals, each offering 313 hours and 299 hours, respectively. The year closes with December at 319 hours, ensuring a warm and bright end to the sunshine-filled year. This pattern highlights Carolina's appeal as a tropical getaway, where abundant sunshine is a hallmark of its climate.
In Carolina, Puerto Rico, the UV Index displays pronounced seasonal variations, with extreme levels dominating much of the year. January starts with a UV Index of 9, categorized as very high, allowing for a relatively safe burn time of 15 minutes. However, come February, the index spikes to 11, entering the extreme category and reducing the safe exposure time to just 10 minutes. This trend continues through the spring months, with March and April reaching a peak UV Index of 13, emphasizing the necessity for protective measures against harmful UV radiation during these months.
The summer months maintain this critical level of exposure, as the UV Index consistently hovers between 12 and 14 from May through July, with July recording 12 and August returning to 13. Even with shortening sunlight in the fall, the UV Index remains impactful; October and November see values of 12 and 9, respectively, indicating a return to very high exposure levels. As the year concludes in December, the UV Index drops to 8, still classified as very high, with a burn time extending back to 15 minutes. This data underscores the importance of sun safety year-round in Carolina, as the combination of high UV levels and intense tropical sunlight requires consistent awareness and protective practices.
UV Risk Categories
In Carolina, Puerto Rico, daylight duration remains relatively consistent throughout the year, reflecting the region's tropical latitude. January and February both enjoy 11 hours of daylight, providing a solid foundation for outdoor activities and exploration. As spring arrives in March, daylight increases to 12 hours, continuing through April and May, allowing residents and visitors to take full advantage of longer days as the weather warms.
The summer months, particularly June and July, reach a peak of 13 hours of daylight, making this period ideal for beach outings and other sun-soaked adventures. However, daylight begins to decrease by August, reverting to 12 hours, and continues its gradual decline through the fall months. By October and November, daylight returns to 11 hours just as the year winds down in December, maintaining a sense of stability in daily life. This consistent daylight pattern contributes to the vibrant atmosphere of Carolina, encouraging both relaxation and overall well-being.
Carolina, Puerto Rico, features a tropical climate with warm temperatures and notable rainfall throughout the year. Average high temperatures range from 25°C (77°F) in the winter months to 32°C (90°F) in the summer. Rainfall peaks in September with 173 mm (6.8 in) and generally decreases towards the end of the year, with January receiving about 38 mm (1.5 in). Sunshine is abundant, especially in May, which averages 356 hours of sunlight. For more detailed information, visit Carolina climate.
In conclusion, the climate of Carolina, Puerto Rico, characterized by tropical warmth, significant precipitation, abundant sunshine, high UV levels, and consistent daylight duration, creates an inviting environment for both residents and visitors alike. The seasonal patterns highlight a transition from drier to wetter months, with noticeable spikes in rainfall as summer approaches. Additionally, the high UV Index and extended daylight hours throughout the year emphasize the importance of sun safety and outdoor engagement. Combined, these climatic factors contribute to Carolina's allure as a vibrant destination that supports a rich ecosystem and a diverse array of recreational activities, making it a cherished locale in the Caribbean.