Last updated: August 31, 2025
December in Cataño, Puerto Rico showcases a tropical climate with warm temperatures and notable humidity. The daily maximum can reach around 31°C (87°F), while the average temperature settles at a comfortable 26°C (78°F), and the warm nights bring a minimum of 23°C (73°F). This month also sees 51 mm (2.0 in) of rainfall spread over approximately 16 days, contributing to high humidity levels of 76%. Overall, December offers a blend of warmth and moisture, ideal for enjoying the lush landscapes and vibrant culture of this Caribbean gem.
In December, Catano, Puerto Rico, presents a delightful winter warmth, with temperatures ranging from a comfortable minimum of 23°C (73°F) to a pleasant maximum of 31°C (87°F). This month marks a slight dip in temperatures compared to the preceding months, but the average remains attractive at 26°C (78°F), inviting visitors to bask in the tropical climate. As the year draws to a close, outdoor activities and festive celebrations thrive in this balmy environment, demonstrating how Catano’s warmth persists even when winter chills other regions. The consistent patterns of mild evenings and sunny days make December an ideal time to explore this vibrant coastal town.
In December, Catano, Puerto Rico, experiences a shift in its precipitation patterns, bringing a total of 51 mm (2.0 in) of rain over 16 days. This marks a noticeable decline from the heavy downpours seen in the preceding months of September and October, where rainfall peaked at 173 mm (6.8 in) and 145 mm (5.7 in) respectively. December’s rainfall amounts are more moderate, aligning closely with earlier months like April and May, suggesting a transition into drier conditions as the year comes to a close. While still experiencing a fair number of rainy days, the reduced precipitation hints at a seasonal shift that prepares Catano for the drier months ahead.
In Catano, Puerto Rico, December brings a humidity level of 76%, slightly lower than the peak summer months, which see levels rise to 80% in July and August. Throughout the year, humidity maintains a relatively stable range, peaking in the warmer months and tapering off as cooler weather arrives. From January to April, humidity varies between 74% and 76%, highlighting a subtle shift as the region transitions from the cooler winter months towards the warm burst of summer. Interestingly, December's 76% marks a return to the same humidity level found earlier in the year, encapsulating Catano's characteristic tropical climate where moisture remains ever-present, yet experiences slight seasonal fluctuations.
In December, Catano, Puerto Rico experiences a UV Index of 8, placing it in the very high exposure category with a burn time of 15 minutes. This month's UV ratings reflect a slight decline from the peak values seen in the earlier months, particularly from May to October, where the index consistently reached extreme levels of 12 to 14. While December’s index is lower than the summer months, residents and visitors should remain vigilant, as even in cooler months, sun exposure can lead to skin damage. For detailed insights on UV levels throughout the year, visit Catano UV Index.
UV Risk Categories
December in Catano, Puerto Rico, welcomes a delightful blend of sunshine, averaging 319 hours of radiant light. As the year draws to a close, the sunshine hours reflect a consistent pattern that peaks during the warmer months—May boasting the highest at 356 hours. Following closely are the summer months, where sunshine remains abundant, ranging between 343 and 356 hours. Interestingly, as the year transitions from the heavier sun of June and July to December, the hours do dip slightly but still offer a generous dose of warmth and brightness. This trend illustrates that while winter’s chill begins to seep in, Catano maintains a lovely glow, making it an inviting escape for those seeking a sunny retreat during the holiday season.
In Catano, Puerto Rico, December brings an impressive 63% chance of sunny weather, making it one of the more favorable months for sun seekers. This trend of increasing sunshine continues from November's 61% likelihood, showing a gradual transition into the drier winter months. Compared to the wetter summer months, like June, with only a 24% chance of sunshine, December offers a delightful reprieve, with almost two-thirds of the month likely to be bathed in warm sunlight. As the year comes to a close, residents and visitors alike can look forward to enjoying the pleasant and mostly sunny December days in this vibrant coastal town.
In Catano, Puerto Rico, December brings a return to the 11 hours of daylight that characterize the early winter months. This trend of more stable daylight duration is evident, as the year begins and ends with a consistent 11 hours in both January and December. After a gradual increase peaking at 13 hours during the summer months of June and July, daylight begins to taper off in late summer and early fall. As the year progresses towards winter, the daylight duration stabilizes at a moderate level, offering a pleasant balance of light and darkness that locals and visitors alike can enjoy throughout this tropical paradise.
As December arrives in Cataño, Puerto Rico, the average wind speed settles at a comfortable 4.4 m/s (10 mph), striking a balance that embraces the festive spirit of the month. This reflects a slight increase from the preceding months, as November recorded a lower 3.7 m/s (8 mph). The trend of ascending wind speeds throughout late autumn hints at a return to the more breezy conditions typically observed in the summer months, where July peaked at 5.3 m/s (12 mph). Surprisingly, despite a dip in wind speed during the humid summer, December's breezes invigorate the air, making it an ideal time for outdoor gatherings and celebrations. Overall, December's winds evoke a refreshing charm, as they intertwine with the warm island ambiance and holiday festivities.
Weather in Catano varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Catano, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather typically sees warmer temperatures, with a minimum of 23°C (73°F) and an average of 26°C (78°F), peaking at 31°C (87°F). This month also experiences higher precipitation, totaling 51 mm (2.0 in) over about 16 days, maintaining a consistent humidity level of 76%.
In contrast, January brings slightly cooler conditions, with a minimum temperature of 21°C (69°F) and an average of 25°C (77°F), reaching a maximum of 29°C (85°F). Precipitation decreases to 38 mm (1.5 in) over 12 days, while humidity remains unchanged at 76%. For more detailed weather information, you can check Catano weather in January.
December and February exhibit similar warm climates, with December slightly warmer overall. In December, temperatures range from a minimum of 23°C (73°F) to a maximum of 31°C (87°F), while February sees slightly cooler temperatures, with a minimum of 21°C (70°F) and a maximum of 29°C (85°F). Precipitation is slightly higher in December, with 51 mm (2.0 in) occurring over 16 days compared to February's 43 mm (1.7 in) over 12 days. Humidity levels remain comparable, with December at 76% and February slightly lower at 75%. For more details on February weather, visit Catano weather in February.
In December, temperatures in Catano typically range from a minimum of 23°C (73°F) to a maximum of 31°C (87°F), with an average temperature of 26°C (78°F). The month experiences about 51 mm (2.0 in) of precipitation over approximately 16 days, contributing to a relatively high humidity level of 76%.
In contrast, March sees slightly cooler temperatures, with a minimum of 21°C (71°F) and a maximum of 30°C (86°F), averaging around 25°C (77°F). Precipitation increases to 67 mm (2.6 in), occurring over 14 days and accompanied by a humidity level of 74%.
Overall, while March is marginally cooler and wetter than December, both months maintain a warm tropical climate. For more detailed information about Catano's weather in March, you can visit Catano weather in March.
In December, the weather is characterized by temperatures ranging from a minimum of 23°C (73°F) to a maximum of 31°C (87°F), with an average of 26°C (78°F). This month experiences about 51 mm (2.0 in) of rainfall across 16 days, coupled with a humidity level of 76%. In contrast, April sees a similar range in temperatures, with a minimum of 22°C (71°F) and a maximum reaching 31°C (88°F), while still averaging around 26°C (78°F). However, April tends to be slightly wetter, with 56 mm (2.2 in) of precipitation over just 10 days, and a slightly lower humidity level at 75%. For more detailed insights, you can check Catano weather in April.
In December, the weather tends to be warm with an average temperature of 26°C (78°F), reaching highs of 31°C (87°F). The month experiences a moderate level of precipitation, with around 51 mm (2.0 in) falling over 16 days, and humidity levels remain relatively high at 76%. In contrast, May offers slightly warmer conditions, with an average temperature of 27°C (80°F) and maximum temperatures peaking at 32°C (90°F). While May has a bit more rainfall at 64 mm (2.5 in) over 13 days, the humidity remains comparable at 75%. For more detailed information on the weather in May, check out Catano weather in May.
In December, the temperature in Catano ranges from a minimum of 23°C (73°F) to a maximum of 31°C (87°F), with an average of 26°C (78°F). During this month, there is an average precipitation of 51 mm (2.0 in) over 16 days, and humidity levels are around 76%. In contrast, June sees slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 32°C (90°F), resulting in an average temperature of 27°C (81°F). Precipitation increases to 68 mm (2.7 in) over 15 days, with humidity slightly higher at 77%. For more details on June's weather, you can visit Catano weather in June.
In comparison, December and July exhibit notably warm weather, but with some differences in temperature and precipitation. December has a slightly lower average temperature of 26°C (78°F) compared to July's 28°C (82°F), with maximum temperatures peaking at 31°C (87°F) in December and 32°C (90°F) in July. Both months experience high humidity levels, with July being marginally more humid at 80% compared to December's 76%. When it comes to rainfall, July is wetter, receiving 87 mm (3.4 inches) of precipitation over 18 days, whereas December sees 51 mm (2.0 inches) spread across 16 days. For more details on July weather specifically, check out Catano weather in July.
When comparing the weather conditions in December and August, both months exhibit warm temperatures, but August tends to be slightly hotter. December features a minimum temperature of 23°C (73°F) with an average of 26°C (78°F) and a maximum of 31°C (87°F). In contrast, August has a minimum of 24°C (76°F), an average of 28°C (82°F), and a maximum of 32°C (90°F). Precipitation is also more pronounced in August, with 99 mm (3.9 in) falling over 18 days compared to December's 51 mm (2.0 in) over 16 days. Humidity levels are similar, with December at 76% and August slightly higher at 80%. For a deeper dive into August's weather, you can check Catano weather in August.
In comparing the weather conditions of December and September, December tends to be slightly cooler with average temperatures ranging from a minimum of 23°C (73°F) to a maximum of 31°C (87°F), while September enjoys warmer temperatures with a minimum of 24°C (76°F) and a maximum of 32°C (90°F). Precipitation is notably higher in September, with 173 mm (6.8 in) recorded over 23 days, compared to December's 51 mm (2.0 in) over just 16 days. Humidity levels are relatively similar, with December at 76% and September a tad higher at 79%. For more details about the weather patterns in September, you can check out Catano weather in September.
When comparing the weather between October and December, we see some notable differences. December tends to have slightly lower temperatures, with minimums around 23°C (73°F) and maximums reaching 31°C (87°F), while October’s temperatures are a bit warmer, ranging from 24°C (75°F) to 32°C (89°F). Precipitation is significantly higher in October, totaling 145 mm (5.7 in) over 22 days, compared to December's 51 mm (2.0 in) over 16 days. Humidity remains fairly similar in both months, with October slightly higher at 78% compared to December's 76%. For a more detailed overview, check out Catano weather in October.
In comparing the weather conditions of December and November, both months exhibit similar temperatures, with minimums at 23°C (73°F), averages around 26°C (78°F), and maximums peaking at 31°C (87°F). However, December tends to be drier, with only 51 mm (2.0 in) of precipitation, compared to November's higher total of 106 mm (4.2 in). Both months experience rainfall over 16 days, but December features slightly lower humidity levels at 76% compared to 78% in November. For a detailed overview of November's weather, you can check Catano weather in November.
As December unfolds in Catano, it brings a delightful shift in the weather, offering a welcome respite from the warmer months. With pleasant temperatures averaging around 26°C, residents and visitors alike can enjoy mild conditions perfect for outdoor activities. However, this month also sees an increase in humidity and precipitation, with rainmaking more frequent appearances on about half of the days. Despite this, the beauty of December lies in its refreshing change, creating an ideal backdrop for festive celebrations. For those curious about the nuances of Catano's climate, you can explore more details here: Catano Climate.