Last updated: August 31, 2025
December in Guanica, Puerto Rico offers a delightful tropical experience, with average temperatures hovering around 26°C (78°F). The warmth peaks at a comfortable 30°C (86°F), while the cool nights dip to a pleasant 22°C (72°F). Visitors can expect about 25 mm (1.0 in) of precipitation spread across 7 days, contributing to the area's lush landscapes. With an average humidity level of 77%, the atmosphere feels rich and vibrant, making December an ideal time to explore Guanica's natural beauty and cultural offerings. Enjoy the balance of warmth and occasional rain as you embrace the island's charm this season!
In December, Guanica, Puerto Rico enjoys a mild and pleasant climate, making it an ideal destination for those seeking warmth during the winter months. With minimum temperatures averaging around 22°C (72°F) and maximums reaching up to 30°C (86°F), the weather remains comfortably warm, inviting visitors to bask in the sunshine. This month continues the trend of mild temperatures seen throughout the fall, with December's average temperature settling at a delightful 26°C (78°F). As the year wraps up, the consistent warmth offers a perfect escape from the colder climates, allowing both locals and visitors to indulge in outdoor activities and the natural beauty of this idyllic locale.
In Guanica, Puerto Rico, December brings a reprieve from the heavier rains of previous months, with an average precipitation of 25 mm (1.0 in) spread across 7 days. This shift marks a notable decrease from the wetter fall season, particularly when compared to the peak of September, which sees a substantial 159 mm (6.2 in) of rain. As the year comes to a close, the precipitation pattern indicates a gradual tapering off, offering a brief moment of tranquility before the wetter months return. The decrease in both total rainfall and rain days in December highlights a seasonal trend towards drier conditions, creating a pleasant environment for visitors and locals alike to enjoy the holiday festivities.
In Guanica, Puerto Rico, December showcases a humidity level of 77%, which reflects a subtle yet stable trend as the year comes to a close. Early months of the year, particularly January through April, maintain a consistent humidity averaging around 76%, while the mid-year months see an upward shift, peaking at 81% in July. As we transition from the summer heat into the fall, humidity levels gradually decline, yet remain relatively high, with December's levels slightly lower than the summer peak but still comfortably above average. This consistent humidity creates a warm, tropical environment, inviting residents and visitors alike to enjoy the natural beauty of this coastal region even in the winter months.
In Guanica, Puerto Rico, the UV Index displays a striking pattern throughout the year, with December showing a UV Index of 8, categorized as very high. This marks a slight decrease from the peak of 14 in May and 13 during the summer months, underscoring the region's predominantly extreme UV exposure from February through October, where burn times are notably short at just 10 minutes. Interestingly, as the year wraps up in December, residents and visitors enjoy marginally longer safe exposure times of 15 minutes before sunburn occurs. With an average index reduction in the winter months, December still demands attention for sun protection. For a comprehensive look at UV trends throughout the year, visit Guanica UV Index.
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In Guanica, Puerto Rico, December shines brightly with 320 hours of sunshine, bringing a festive glow to the season. This month continues the trend of abundant sunlight that characterizes the region, particularly evident from May to July, where peak hours soar above 360. As the year winds down, a slight decrease in sunlight is observed compared to the spring months, but December still outshines January and November, ensuring that holiday festivities are bathed in radiant light. With consistent sun throughout the year, Guanica stands as a tropical haven for those seeking warmth and brightness even in the winter months.
In Guanica, Puerto Rico, December offers a promising 70% chance of sunny weather, marking it as one of the brighter months of the year. This delightful statistic follows a trend of increasing sunshine as the year winds down; with November at 61%, December showcases a significant boost. When compared to the earlier months, such as June at 32% and July at 49%, it's clear that December presents a golden opportunity for enjoyment under the sun. As the holiday season approaches, visitors can anticipate a pleasant balance of warmth and daylight, perfect for memorable outdoor activities.
In Guanica, Puerto Rico, December offers a daylight duration of 11 hours, mirroring the trends of both January and February. As the year progresses from March to June, daylight gradually increases, peaking at 13 hours during the mid-summer months of June and July. This radiant abundance then tapers off, with daylight decreasing back to 12 hours in August and September, before settling into a consistent 11-hour pattern from October through February. This rhythm of daylight reflects the island's tropical climate, ensuring that even in the winter months, there's plenty of sunshine to enjoy.
In Guanica, Puerto Rico, December ushers in a refreshing breeze with an average wind speed of 4.2 m/s (9 mph), aligning closely with the calmer conditions typical of the preceding months. As the year winds down, the overall trend reflects a gradual ebb and flow in wind speeds, peaking in July at 5.1 m/s (12 mph) and dipping to a gentle 3.1 m/s (7 mph) in September. Notably, December's winds mirror the slightly elevated speeds seen in both May and March, suggesting a transition into cooler weather while maintaining a pleasant atmosphere. This blend of warmer and cooler months promotes a unique coastal climate, making December an ideal time to enjoy all the natural beauty Guanica has to offer.
Weather in Guanica varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Guanica, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures in Guanica range from a minimum of 22°C (72°F) to a maximum of 30°C (86°F), with an average temperature of 26°C (78°F). The month experiences a bit more rainfall, totaling 25 mm (1.0 in) over approximately 7 days, and humidity levels hover around 77%. In contrast, January sees slightly cooler temperatures, with a minimum of 19°C (67°F) and a maximum of 29°C (84°F), leading to an average temperature of 25°C (77°F). Precipitation decreases to 18 mm (0.7 in) over just 4 days, while humidity remains relatively stable at 76%. For more insights, check out Guanica weather in January.
In comparison, December and February showcase relatively similar warm climates. December experiences slightly higher temperatures, with a minimum of 22°C (72°F) and an average of 26°C (78°F), peaking at 30°C (86°F). It also has a humidity level of 77% and records about 25 mm (1.0 in) of precipitation over 7 days. Conversely, February sees a minor drop in temperatures, with a minimum of 21°C (70°F) and an average of 25°C (77°F), reaching a maximum of 29°C (85°F). The month has slightly lower humidity at 75% and records about 26 mm (1.0 in) of precipitation over just 5 days. For more detailed insights, you can check Guanica weather in February.
December and March exhibit mild tropical weather, but with some notable differences. In December, temperatures range from a minimum of 22°C (72°F) to a maximum of 30°C (86°F), with an average of 26°C (78°F) and relatively low precipitation of 25 mm (1.0 in) over 7 days. Humidity levels are higher in December at 77%, contributing to a warm and slightly sticky atmosphere.
In contrast, March sees slightly lower average temperatures, ranging from a minimum of 21°C (69°F) to a maximum of 28°C (83°F), averaging 24°C (76°F). Precipitation increases in March to 49 mm (1.9 in) over 11 days, indicating a wetter month, though humidity remains comparable at 75%. The shift in precipitation and slightly lower temperatures make March distinct. For more detailed information, check out Guanica weather in March.
In comparing the weather between December and April, it's clear that both months offer warm temperatures typical of tropical climates. December experiences slightly higher average temperatures, with a range from a minimum of 22°C (72°F) to a maximum of 30°C (86°F), while April's temperatures range from 21°C (70°F) to 29°C (84°F). Precipitation is more pronounced in April, with 49 mm (1.9 in) over 14 days of rain compared to December's 25 mm (1.0 in) over just 7 rainy days. Humidity levels remain similar in both months, around 76-77%, creating a humid yet comfortable environment. For more details on April's weather specifically, you can refer to Guanica weather in April.
In comparing the weather between December and May, we can observe some notable differences. While both months feature similar average temperatures, December has a slight edge with a minimum of 22°C (72°F) compared to May's 23°C (73°F). However, May shows higher precipitation levels, receiving 59 mm (2.3 in) over 12 days, in contrast to December's 25 mm (1.0 in) across just 7 days. Humidity levels remain fairly comparable, with December at 77% and May slightly lower at 76%. For more detailed information on May weather, you can visit Guanica weather in May.
In December, the weather in Guanica is warm and pleasant, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 30°C (86°F). The month experiences relatively low precipitation, totaling 25 mm (1.0 in) over about 7 days, with humidity at 77%.
In contrast, June sees slightly higher temperatures, with minimums around 23°C (75°F) and maximums reaching 31°C (88°F). Precipitation is notably higher in June, totaling 53 mm (2.1 in) across approximately 12 days, while humidity remains slightly elevated at 78%. For more detailed insights, you can check this link: Guanica weather in June.
When comparing the weather in December and July, it's clear that July tends to be warmer and wetter. December features a comfortable range of temperatures, with minimums around 22°C (72°F) and maximums reaching 30°C (86°F), while July's temperatures start slightly higher, with minimums at 24°C (75°F) and maximums at 31°C (88°F). In terms of precipitation, December brings in a much lighter 25 mm (1.0 in) over just 7 days, whereas July sees a substantial increase with 86 mm (3.4 in) spread over 16 days, resulting in a more humid atmosphere with 81% humidity compared to December's 77%. For a closer look at July weather specifics, check out Guanica weather in July.
When comparing the weather in December and August, December tends to be slightly cooler with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 30°C (86°F). In terms of precipitation, December sees less rain, averaging 25 mm (1.0 in) over 7 days and a humidity level of 77%. In contrast, August is warmer, with temperatures varying from a minimum of 23°C (74°F) to a maximum of 32°C (90°F). It is also wetter, receiving a significant 96 mm (3.8 in) of rainfall over 16 days and a humidity level of 80%. For more details about the weather specifically in August, check out Guanica weather in August.
In December, the weather offers more moderate conditions with a minimum temperature of 22°C (72°F) and an average of 26°C (78°F), whereas September tends to be warmer with a minimum of 24°C (76°F) and an average of 27°C (81°F). Additionally, December experiences significantly less rainfall, with only 25 mm (1.0 in) over 7 days, in contrast to September, which sees a much wetter month with 159 mm (6.2 in) of precipitation spread over 21 days. Humidity levels are relatively similar in both months, with December at 77% and September at 79%. For a more detailed overview of conditions in September, you can explore Guanica weather in September.
In comparing the weather between December and October, December experiences slightly cooler temperatures, with a minimum of 22°C (72°F) and an average of 26°C (78°F), while October has a minimum of 24°C (75°F) and an average of 27°C (80°F). Although December's max temperature reaches 30°C (86°F), October peaks higher at 31°C (88°F). Rainfall in December is significantly lower, with only 25 mm (1.0 in) over 7 days, compared to October’s 102 mm (4.0 in) spread across 20 days, making October a wetter month. Humidity levels are quite similar, with December at 77% and October at 78%. For a more detailed look at October weather in Guanica, visit Guanica weather in October.
In comparing the weather between November and December, we see some notable differences. December typically has slightly cooler temperatures with a minimum of 22°C (72°F) and a maximum of 30°C (86°F), while November sees a minimum of 23°C (73°F) and can reach up to 31°C (88°F). Additionally, December experiences significantly less precipitation, totaling only 25 mm (1.0 in) over 7 days compared to November's 91 mm (3.6 in) spread over 15 days. Humidity levels are quite similar, with December at 77% and November slightly higher at 78%. For a more detailed look at November's climate, you can check Guanica weather in November.
In December, Guanica experiences a delightful transition as the weather shifts to cooler temperatures, offering a welcome respite from the hotter months. With an average of 26°C (78°F), the climate is ideal for outdoor activities while still maintaining a pleasant warmth. While the month sees some rainfall—about 25 mm spread over 7 days—this does little to dampen the festive spirit as humidity remains manageable at 77%. Compared to the sweltering summer heat, December provides a comfortable atmosphere that invites both locals and visitors to enjoy the stunning landscapes and vibrant culture. For a deeper dive into the climatic patterns throughout the year, check out Guanica Climate.