December Weather in Luquillo, Puerto Rico

Last updated: August 31, 2025

December in Luquillo, Puerto Rico offers a warm and tropical getaway, with temperatures ranging from a comfortable 23°C (73°F) at night to a peak of 29°C (85°F) during the day, resulting in an average of 26°C (78°F). However, visitors should be prepared for the increased humidity, averaging 76%, which can amplify the warmth. Despite the inviting climate, December is marked by considerable precipitation, with 81 mm (3.2 in) of rain distributed over 24 days, making it a month characterized by a mix of sun and showers. Travelers should keep an eye on the skies while enjoying the lush landscapes and vibrant culture that Luquillo has to offer.

December Temperature in Luquillo

In Luquillo, Puerto Rico, December welcomes mild yet delightful temperatures, making it an ideal time for visitors to enjoy the tropical paradise. The month sees a minimum temperature of around 23°C (73°F), an average of 26°C (78°F), and peaks at a comfortable 29°C (85°F). This slight increase from November's averages reflects a gradual warming trend as the island transitions towards the New Year. Visitors can expect pleasant weather, perfect for exploring lush landscapes or unwinding on pristine beaches, while also enjoying the festive atmosphere typical of this beautiful coastal town. Overall, December provides a lovely blend of warm days and cool nights, embodying the essence of Caribbean relaxation.

December Weather in Luquillo: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Luquillo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Luquillo, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec767676777980818181817978
Data source: Temperature data for Luquillo generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Luquillo

In December, Luquillo, Puerto Rico, experiences a notable transition in its precipitation pattern, receiving an average of 81 mm (3.2 in) of rainfall over approximately 24 days. This marks a significant decrease from the intense precipitation seen in the preceding months, particularly September and October, which often exceed 187 mm. December's rainfall, while still substantial, represents a shift towards a slightly drier phase as the year concludes. This trend illustrates the region's tendency to taper off rainfall after the peak wet season, offering locals and travelers alike a reprieve from the heavier rains typical of the latter half of the year.

December Precipitation Trends in Luquillo

The chart displays monthly precipitation patterns in Luquillo, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Luquillo, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec5761787910911014915319618713281
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Luquillo

In December, Luquillo, Puerto Rico experiences a notable humidity level of 76%, which is consistent with the monthly averages seen throughout the year. As the year progresses from January's 76% to March's lowest point of 74%, humidity seems to stabilize, hovering around the mid-70s before rising again in the summer months. July and August peak at 80%, creating a tropical ambiance typical of the region. Following this peak, humidity slightly dips again to 79% in September and then stabilizes at 78% for both October and November. As December arrives, you can expect a return to the more pleasant, moderate humidity levels that characterize the transition into the winter season in Luquillo. Overall, the humidity trend suggests a rhythmic cycle influenced by seasonal shifts, providing a lush, tropical environment year-round.

December Average Humidity in Luquillo

This chart illustrates the average monthly humidity levels in Luquillo, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Luquillo is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%74%75%75%77%80%80%79%78%78%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Luquillo

As December rolls into Luquillo, Puerto Rico, the UV Index drops to 8, falling within the very high exposure category. This marks a slight decline from the extreme levels seen in late summer and early fall, where the index peaked at 14 in September. Interestingly, the winter months maintain their intensity with a burn time of just 15 minutes, indicating that sun safety remains crucial. While the UV intensity softens compared to the blistering heat of mid-summer, it’s still essential to stay vigilant. For more detailed information on UV levels throughout the year, check out the full guide at Luquillo UV Index.

Maximum UV Index Levels in Luquillo for December

The chart shows the monthly maximum UV Index (UVI) for Luquillo in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Luquillo typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131213141298
Data source: Luquillo December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Luquillo

December in Luquillo, Puerto Rico, embraces the festive spirit with 320 hours of glorious sunshine, making it an ideal escape from the winter chill found elsewhere. As the year winds down, December continues a trend of substantial sunlight that peaks in the vibrant months of May and June, where both reach around 357 and 344 hours respectively. The month stands out as a cozy bridge between the abundant sun of the summer and the more moderate days of January and February, which see 258 and 302 hours. With a steady decline towards the cooler months, December maintains a generous amount of sunlight, inviting visitors to enjoy the beaches and natural splendor that this enchanting locale has to offer.

Monthly Sunshine Duration in Luquillo: December Highlighted

The December sunshine duration represents the total number of hours Luquillo experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec258h302h348h348h357h344h354h349h318h316h302h320h
Data source: Luquillo December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Luquillo During December

In December, Luquillo, Puerto Rico enjoys a promising chance of sunny weather, with a 59% likelihood of clear skies, making it one of the brighter months of the year. As the island transitions from the wetter months, December's sunshine rates improve notably compared to the summer slump, where June dips to just 20% and July follows at 40%. This trend continues, showcasing a gradual increase in sunshine that peaks in February at an impressive 65%. With the holiday season bringing festivities to life under the sun, December serves as a delightful bridge from the wetter months into sunnier delights, inviting both locals and tourists to bask in the warmth of Luquillo's beautiful beaches.

Percentage of Sunny Days in December in Luquillo

The chart illustrates the percentage of sunny days in Luquillo throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Luquillo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%65%61%44%51%20%40%37%46%46%57%59%
Data source: Luquillo December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Luquillo in December

In Luquillo, Puerto Rico, December marks the return to a consistent 11 hours of daylight, mirroring the earlier months of January and February. The daylight duration reaches its peak during the summer months of June and July, when sunny days stretch to 13 hours, offering plenty of time for outdoor adventures. As the year progresses, daylight diminishes steadily after July, returning to the 11-hour mark by the end of the year. This trend highlights the tropical flair of Puerto Rico's climate, where even in the depths of winter, sunshine and warmth remain a daily delight.

Average Daylight Hours in Luquillo for December

The chart illustrates the variation in daylight duration in Luquillo throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 9m11h 32m12h 2m12h 33m12h 59m13h 12m13h 5m12h 42m12h 12m11h 41m11h 15m11h 2m
Data source: Luquillo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Luquillo

In December, Luquillo, Puerto Rico experiences a refreshing shift in wind conditions, with an average wind speed of 4.4 m/s (10 mph). This marks a slight increase from the calmer months of September and October, which see the lowest averages of the year at 3.2 m/s and 3.4 m/s, respectively. Following this pattern, the year's wind speeds generally peak during the summer months, with July and August averaging 5.0 m/s and 4.4 m/s. As the year closes, the winds come alive once more, providing a gentle yet invigorating breeze that enhances the island's tropical charm. December's winds encapsulate the dynamism of Luquillo's climate, balancing the tranquil feel of the holiday season with nature's refreshing whispers.

Average December Wind Speed in Luquillo

The chart displays monthly wind speed patterns in Luquillo, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.05.04.43.74.24.75.04.43.23.43.64.4 m/s
Data source: Luquillo December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Luquillo Compares to Other Months

Weather in Luquillo varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Luquillo, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, temperatures typically range from a minimum of 23°C (73°F) to a maximum of 29°C (85°F), with an average temperature of 26°C (78°F). The month sees considerable precipitation, with 81 mm (3.2 in) falling over 24 days, while humidity remains high at 76%. In contrast, January offers slightly cooler weather, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 28°C (83°F), and an average of 25°C (77°F). Precipitation decreases to 57 mm (2.3 in) over 17 days, maintaining the same humidity level of 76%. For more detailed information, you can check Luquillo weather in January.

December and February present slightly different weather patterns in Luquillo. December tends to be warmer, with average temperatures ranging from 23°C (73°F) to a high of 29°C (85°F), while February sees a more moderate average between 21°C (70°F) and 27°C (81°F). Precipitation is also higher in December, totaling 81 mm (3.2 in) over 24 days, compared to February's 61 mm (2.4 in) over 21 days. Despite these differences, humidity levels remain relatively similar, with December at 76% and February at 75%. For more detailed insights, you can check Luquillo weather in February.

December and March weather in Luquillo exhibits some notable similarities and differences. In December, temperatures range from a minimum of 23°C (73°F) to a maximum of 29°C (85°F), with an average of 26°C (78°F). The month experiences higher precipitation at 81 mm (3.2 in) over 24 days, contributing to a humidity level of 76%. In contrast, March presents slightly cooler temperatures, with a minimum of 22°C (72°F) and a maximum of 28°C (82°F), averaging 25°C (76°F). Precipitation decreases slightly to 78 mm (3.1 in) over 22 days, resulting in a lower humidity of 74%. For a more detailed look at Luquillo's weather in March, you can visit Luquillo weather in March.

When comparing the weather in December and April, both months exhibit similar temperature ranges, with December having a slight edge in maximum temperatures at 29°C (85°F) against April's peak of 29°C (84°F). December's average temperature is just a bit warmer at 26°C (78°F) compared to April's 25°C (77°F). Precipitation levels are quite comparable as well, with December receiving 81 mm (3.2 in) across 24 days, while April totals 79 mm (3.1 in) over 20 days. Humidity levels are fairly consistent between the two months, sitting at 76% in December and slightly lower at 75% in April. For more details on April weather, you can visit Luquillo weather in April.

In comparing the weather between December and May, we see that both months feature similar temperature ranges, with minimums at 23°C (73°F), average temperatures around 26°C (78-79°F), and maximums reaching up to 29°C (85°F). However, May experiences slightly higher precipitation, with 109 mm (4.3 in) over 26 days, compared to December's 81 mm (3.2 in) over 24 days. Humidity levels remain fairly consistent, with December at 76% and May at 75%. For those interested in detailed weather patterns, more information can be found here.

In December, the weather is generally warm with temperatures ranging from a minimum of 23°C (73°F) to a maximum of 29°C (85°F), averaging around 26°C (78°F). The month sees a fair amount of precipitation, with 81 mm (3.2 in) spread over 24 days and a humidity level of 76%. In contrast, June experiences slightly warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 30°C (87°F), averaging 27°C (80°F). However, June also brings increased rainfall, totaling 110 mm (4.3 in) over 26 days, and a slightly higher humidity of 77%. For more detailed insights, you can check out Luquillo weather in June.

When comparing the weather in December and July, both months exhibit warm temperatures, with December experiencing a minimum of 23°C (73°F) and a maximum of 29°C (85°F), while July tends to be slightly warmer, with a minimum of 24°C (75°F) and a maximum of 30°C (86°F). In terms of precipitation, July is significantly wetter, receiving 149 mm (5.9 in) over 27 days, compared to December's 81 mm (3.2 in) over 24 days. Additionally, humidity levels are slightly higher in July at 80%, compared to December's 76%. For a detailed look at July conditions, visit Luquillo weather in July.

In comparing the weather between December and August, both months experience warm temperatures, but August is slightly warmer overall. December has a minimum temperature of 23°C (73°F) and an average of 26°C (78°F), while August starts with a slightly higher minimum of 24°C (76°F) and averages around 27°C (82°F). The maximum temperatures peak at 29°C (85°F) in December and 30°C (87°F) in August. Precipitation is notably higher in August, with 153 mm (6.0 in) over 27 days, compared to December's 81 mm (3.2 in) over 24 days. Humidity levels are also higher in August at 80%, as opposed to 76% in December. For a more detailed look at August weather patterns, visit Luquillo weather in August.

When comparing the weather in December and September, there are notable differences in temperature and precipitation patterns. December tends to have a slightly lower temperature range, with average highs around 29°C (85°F) compared to September's peak of 31°C (88°F). However, September experiences significantly more rainfall, averaging 195 mm (7.7 in) over 28 days, while December sees only 81 mm (3.2 in) across 24 days. Additionally, September's humidity is slightly higher at 79%, compared to December's 76%. For more detailed information, check out Luquillo weather in September.

In comparing the weather of December and October, we see some notable differences. December has slightly cooler temperatures, with a minimum of 23°C (73°F) and a maximum of 29°C (85°F), averaging 26°C (78°F). In contrast, October experiences warmer conditions, featuring a minimum of 24°C (75°F) and a maximum of 30°C (87°F), with an average of 27°C (81°F). Precipitation levels in October are significantly higher at 187 mm (7.4 in) over 26 days, compared to December's 81 mm (3.2 in) over 24 days. While both months have similar humidity levels, October is slightly more humid at 78% compared to December's 76%. For a more detailed overview, you can check Luquillo weather in October.

In comparing the weather between December and November, we see that both months share similar temperature ranges, with minimums of 23°C (73°F), average temperatures of 26°C (78°F), and maximums reaching 29°C (85°F). However, December experiences less precipitation, totaling 81 mm (3.2 in) over 24 days, compared to November's 131 mm (5.2 in) over 25 days. Additionally, December has slightly lower humidity at 76% versus November's 78%. This difference makes December feel a bit drier despite the similar warmth. For more detailed insights, check out Luquillo weather in November.

Compare Luquillo's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Luquillo

As December unfolds in Luquillo, the weather presents a delightful shift characterized by mild temperatures and a noticeable increase in precipitation. With an average temperature hovering around a comfortable 26°C, it’s a welcome respite from the warmer months, making outdoor activities particularly enjoyable. However, December is also marked by a higher frequency of rainy days, resulting in substantial humidity that envelops the region. This combination of warm air and moisture creates a vibrant atmosphere, giving the landscape its lush, tropical feel. For a more detailed overview of what to expect throughout the year, check out Luquillo Climate.