Last updated: August 21, 2025
Discover the charm of Port Royal, Jamaica, in December, where the weather embraces a delightful tropical vibe. With maximum temperatures reaching 29°C (85°F) and an average of 25°C (78°F), visitors can enjoy warm days perfect for outdoor adventures. Nights cool down to a cozy 22°C (72°F), ideal for relaxing under the stars. Although December brings 45 mm (1.8 in) of rainfall over 13 days, the 77% humidity enhances the lush landscapes that define this coastal paradise. Immerse yourself in the vibrant atmosphere and experience the unique beauty that Port Royal has to offer during the festive season.
In December, Port Royal, Jamaica experiences delightful tropical temperatures, making it an ideal escape for those seeking warmth. The month opens with a comfortable minimum temperature of 22°C (72°F), gradually rising to a pleasant average of 25°C (78°F). With daytime highs peaking at around 29°C (85°F), visitors can enjoy plenty of sunshine while still feeling refreshed. Compared to the preceding months, December sees a slight dip in maximum temperatures, indicating a transition into the cooler winter season. This trend highlights Jamaica's consistent climate, ensuring that even during the winter months, Port Royal remains a blissful haven for beach lovers and adventurers alike.
In December, Port Royal, Jamaica experiences a notable shift in precipitation patterns as it rounds off the year. With an average rainfall of 45 mm (1.8 in) spread over 13 days, December sees a decline compared to the heavy downpours of previous months, especially October, which recorded a staggering 196 mm (7.7 in). This gradual tapering follows the peak wet season, reflected by November's substantial 137 mm (5.4 in). The decrease in both rainfall amount and rainy days suggests a transition towards drier conditions, paving the way for the drier months ahead. Travelers can expect a mix of sun and occasional showers, making December a delightful time to explore the rich surroundings of Port Royal while enjoying a more temperate climate.
December in Port Royal, Jamaica, brings a humidity level of 77%, slightly elevated from the 76% seen in the previous October and November. This steady increase in humidity throughout the year showcases a tropical climate characterized by consistently high moisture levels. The months leading up to December, particularly June and July, peak at 79%, indicating the summer’s warmth can create a more humid environment. As the year draws to a close, Port Royal maintains its inviting tropical ambiance, with December’s humidity providing a hint of warmth and comfort as the festive season approaches.
In Port Royal, Jamaica, the UV Index showcases a clear trend as the year unfolds. December sees a notable drop to an index of 8, indicating a shift to a very high exposure category with a burn time of 15 minutes. This decline marks the end of a predominantly extreme exposure period from February through November, where values peaked at a significant 14 in April. Notably, the burn time remained critical at just 10 minutes during the peak months, emphasizing the importance of sun protection. While December offers some reprieve, sun seekers should still be cautious; for further details, check out the comprehensive guide at Port Royal UV Index.
UV Risk Categories
December in Port Royal, Jamaica, emerges as a radiant conclusion to the year, basking in approximately 314 hours of glorious sunshine. This month follows a trend of steady brightness that peaks in the summer, with July showcasing the highest solar bounty at 354 hours. As the year unfolds, the sunshine typically ebbs and flows, peaking in the warmer months before gradually tapering off. However, December holds its own, bridging the brighter seasons and promising warmth even as seasons change. After a year filled with sunlight, this month continues to charm visitors and locals alike with its inviting rays, making it a delightful time to experience the island's natural beauty.
In Port Royal, Jamaica, December brings a refreshing 65% chance of sunny weather, marking a pleasant transition from the cloudier months of November and October, where sunlight dipped to 43% and 42%, respectively. This increase in sunshine is a precursor to the brighter months ahead, with February leading the way at an impressive 76%. As Christmas approaches, visitors can expect a delightful balance of warm days and clear skies, making December an appealing time for outdoor activities. Although it might not be as sunny as some neighboring months, the likelihood of enjoying bright days in December sets the stage for a cheerful holiday experience in this beautiful coastal town.
In Port Royal, Jamaica, December marks the return to shorter days, with about 11 hours of daylight, mirroring the conditions of January and February. As the year progresses from the sun-drenched months of June and July—which boast the longest daylight duration at 13 hours—the daylight begins to gradually dwindle. This rhythmic ebb and flow highlights a seasonal pattern: the year starts and ends with similar daylight hours, while the vibrant spring and summer months enjoy extended sunshine, creating a beautiful tapestry of natural light that defines Jamaica's tropical allure.
As December settles over Port Royal, Jamaica, the average wind speed drifts to 3.4 m/s (8 mph), a gentle reminder of the shifting seasons. Notably, December's breeze is slightly lower than the preceding months, which generally hover around 4.3 m/s during the peak summer months of June and July. Following a consistent decline in wind speed from September to November, December marks a subtle increase in liveliness as the year wraps up. The overall trend highlights a seasonal rhythm, where the winds pick up during the warmer months, providing a refreshing contrast to the serene atmosphere typical of the cooler year-end. The gentle December winds beckon locals and visitors alike to enjoy the mild temperatures and the tranquil beauty of this Caribbean paradise.
Weather in Port Royal varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Port Royal, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, the weather tends to be slightly warmer with average temperatures reaching 25°C (78°F) and maximums of 29°C (85°F), while January sees a slight dip in average temperature to 24°C (76°F) and the minimum temperature dropping to 20°C (69°F). December experiences more precipitation, with 45 mm (1.8 in) of rain over 13 days, compared to January's 38 mm (1.5 in) over just 10 days. Humidity levels are quite similar, with December at 77% and January at 76%. For more detailed information on January's weather, you can visit Port Royal weather in January.
In December, temperatures range from a minimum of 22°C (72°F) to a maximum of 29°C (85°F), with an average of 25°C (78°F). The month sees about 45 mm (1.8 in) of precipitation over 13 days and a humidity level of 77%. In contrast, February experiences slightly cooler temperatures, with minima of 21°C (70°F) and maxima of 28°C (83°F), averaging 24°C (76°F). Precipitation is also lower in February, totaling 35 mm (1.4 in) over 14 days, while humidity remains similar at 76%. For more detailed insights into February weather, you can visit Port Royal weather in February.
In December, the weather tends to be warm with temperatures ranging from a minimum of 22°C (72°F) to a maximum of 29°C (85°F), averaging at around 25°C (78°F). This month experiences moderate rainfall, with about 45 mm (1.8 in) of precipitation spread over 13 days, and humidity levels sitting at 77%.
In contrast, March presents slightly cooler conditions, featuring temperatures that range from a minimum of 20°C (69°F) to a maximum of 28°C (84°F), while still averaging at 25°C (76°F). Rainfall in March is marginally higher at 46 mm (1.8 in), occurring over 15 days, and humidity levels decrease slightly to 75%. For more specific insights on March weather, you can visit Port Royal weather in March.
In comparing the weather of December and April, both months boast warm temperatures, with December averaging between 22°C (72°F) and 29°C (85°F), while April has a slightly higher maximum at 30°C (86°F). Humidity levels remain similar, with December at 77% and April slightly lower at 76%. However, April tends to experience more precipitation, with 66 mm (2.6 in) over 12 days compared to December's 45 mm (1.8 in) spread across 13 days. For more details, you can check the Port Royal weather in April.
December and May present notably different weather patterns, despite their similar humidity levels of 77%. In December, temperatures range from a minimum of 22°C (72°F) to a maximum of 29°C (85°F), with an average of 25°C (78°F) and relatively lower precipitation at 45 mm (1.8 in) over 13 days. In contrast, May sees slightly higher temperatures, with minimums at 23°C (73°F) and maximums reaching 30°C (87°F)—an average of 26°C (79°F)—but also experiences increased rainfall, accumulating 107 mm (4.2 in) over 16 days. For more detailed information, you can refer to Port Royal weather in May.
In December, the weather features slightly cooler temperatures with a minimum of 22°C (72°F) and an average of 25°C (78°F), reaching a maximum of 29°C (85°F). The month sees about 45 mm (1.8 in) of precipitation over 13 days, coupled with a humidity level of 77%. In contrast, June experiences slightly warmer temperatures, starting at a minimum of 23°C (74°F) and averaging 27°C (80°F), with highs of 31°C (88°F). The precipitation in June is slightly higher at 49 mm (1.9 in), also spread across 13 days, and humidity increases marginally to 79%. For more detailed insights into June’s weather, visit Port Royal weather in June.
In December, temperatures in Port Royal range from a comfortable 22°C (72°F) at night to a pleasant 29°C (85°F) during the day, with an average temperature of 25°C (78°F). The month sees about 45 mm (1.8 in) of rainfall over 13 days, accompanied by relatively high humidity at 77%. In contrast, July typically features slightly warmer temperatures, with nighttime lows of 24°C (75°F) and daytime highs peaking at 32°C (90°F), averaging around 27°C (82°F). Rainfall in July is somewhat less, totaling 37 mm (1.5 in) over 11 days, and humidity edges up to 79%. For a more detailed look at July weather in Port Royal, check out Port Royal weather in July.
December features a warmer climate with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 29°C (85°F), while August tends to be hotter, averaging between 24°C (75°F) and 32°C (89°F). August also sees more rainfall, with total precipitation reaching 98 mm (3.8 in) over 16 days, compared to December's 45 mm (1.8 in) across 13 days. Both months experience high humidity, with December at 77% and August slightly elevated at 78%. For more detailed information on August weather conditions, you can visit Port Royal weather in August.
When comparing the weather between December and September, it is clear that December tends to be milder. In December, temperatures range from a minimum of 22°C (72°F) to a maximum of 29°C (85°F), with an average of 25°C (78°F). In contrast, September sees slightly warmer conditions, with temperatures ranging from a minimum of 24°C (75°F) to a maximum of 32°C (90°F), averaging 27°C (81°F). Additionally, September experiences significantly higher precipitation, with 105 mm (4.1 in) over 18 days, compared to December's 45 mm (1.8 in) over 13 days. Both months have similar humidity levels at 77%. For more details, you can refer to Port Royal weather in September.
The weather in December is milder compared to October, with average temperatures ranging from a minimum of 22°C (72°F) to a maximum of 29°C (85°F), while October experiences slightly higher temperatures, with a minimum of 23°C (74°F) and a maximum of 31°C (87°F). December also has less precipitation, totaling 45 mm (1.8 in) over 13 days, compared to October's significantly higher rainfall of 196 mm (7.7 in) across 24 days. Despite the increased rainfall in October, both months maintain high humidity levels, with December at 77% and October slightly lower at 76%. For more details on October weather, check out Port Royal weather in October.
In comparing December and November, December generally sees slightly cooler temperatures, with average highs of 29°C (85°F), compared to November's 30°C (86°F). While the minimum temperature in December is 22°C (72°F), November begins a bit warmer at 23°C (73°F). Notably, November experiences significantly higher rainfall, with 137 mm (5.4 in) over 20 days, compared to December’s 45 mm (1.8 in) spread across 13 days. Humidity levels remain relatively similar in both months, hovering around 77% in December and 78% in November. For a closer look at November's climate, check out Port Royal weather in November.
As December rolls into Port Royal, the weather takes on a delightful shift, offering a comfortable blend of warmth and humidity that differentiates it from the sweltering summer months. With average temperatures hovering around a pleasant 25°C (78°F), this festive month invites both locals and tourists to indulge in the coastal charm. Although December sees a rise in precipitation compared to the drier months, the occasional showers contribute to the lush greenery that defines this beautiful destination. The average humidity of 77% adds a tropical touch to the holiday ambiance, making it an ideal time for beach walks and outdoor festivities. For a deeper dive into the monthly weather patterns, check out Port Royal Climate.