December Weather in Ponce, Puerto Rico

Last updated: August 31, 2025

In December, Ponce, Puerto Rico, presents a mild and inviting climate with average temperatures hovering around 25°C (76°F). Residents and visitors can expect a pleasant maximum of 28°C (84°F), while nights are comfortably cool at a minimum of 21°C (71°F). Though the month features 10 days of rainfall, totaling 31 mm (1.2 in), the humidity remains at a balmy 77%, enhancing the tropical ambiance. This ideal weather makes December a perfect time to explore Ponce's vibrant culture and scenic beauty.

December Temperature in Ponce

In December, Ponce, Puerto Rico experiences a mild and pleasant climate, making it an ideal escape for those seeking a warmer getaway during the winter months. With temperatures ranging from a minimum of 21°C (71°F) to a maximum of 28°C (84°F), the city enjoys a comfortable average temperature of 25°C (76°F). This slight dip from the average temperatures of the preceding months marks the official start of the dry season, yet the warmth remains inviting. As December showcases a blend of cooler nights and pleasantly warm days, visitors can revel in the city's vibrant culture and lush landscapes while enjoying the crisp island air that gently embraces the transition into the holiday season.

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

The chart illustrates December temperature patterns in Ponce, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ponce, 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).
JanFebMarAprMayJunJulAugSepOctNovDec757575767779798079797776
Data source: Temperature data for Ponce 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 Ponce

In December, Ponce, Puerto Rico experiences a notable drop in precipitation, with 31 mm (1.2 in) of rain over an average of 10 days. This marks a significant decrease compared to the wetter months preceding it, particularly September and October, which often see heavy downpours. The overall trend reflects the tail end of the rainy season, as the region transitions into a drier climate. Despite the decrease, December still retains a modest amount of rainfall, making it an ideal time for locals and visitors to enjoy the festive end-of-year atmosphere without the disruptions caused by persistent rain.

December Precipitation Trends in Ponce

The chart displays monthly precipitation patterns in Ponce, 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 Ponce, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec26285350625583891581158831
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Ponce

In Ponce, Puerto Rico, December ushers in a humidity level of 77%, a subtle drop from the heightened levels of the summer months. Observing the broader trend throughout the year, humidity typically hovers between 75% and 81%, with the peak experienced in July at 81%. As the year progresses, the humidity gradually stabilizes, with December’s figures reflecting a return to the more moderate levels seen in the early months of the year. This mild humidity creates a comfortable atmosphere, inviting residents and visitors alike to enjoy the vibrant beauty of Ponce during the festive holiday season.

December Average Humidity in Ponce

This chart illustrates the average monthly humidity levels in Ponce, 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 Ponce is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%75%76%76%78%81%80%79%79%78%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ponce

In Ponce, Puerto Rico, the UV Index sees a notable trend throughout the year, with December marking a return to very high levels at 9, similar to January. This increase follows a stretch of extreme UV exposure from February to November, where the UV Index consistently hovered between 10 and 14. Specifically, the summer months maintain a high average of 13, reflecting the region's tropical intensity. Interestingly, both December and November feature a safer burn time of 15 minutes, giving residents a bit more leeway compared to the 10 minutes experienced during the peak months. As you enjoy the sunny December days, staying informed and cautious remains crucial. For more information on daily UV levels, visit Ponce UV Index.

Maximum UV Index Levels in Ponce for December

The chart shows the monthly maximum UV Index (UVI) for Ponce 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 Ponce typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec9111314141313131412109
Data source: Ponce 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 Ponce

December in Ponce, Puerto Rico, shines with an impressive 320 hours of sunshine, providing a delightful conclusion to the year. As we transition from the vibrant warmth of November, which boasts 300 hours, December maintains a steady brightness, reflecting a consistent pattern of plentiful sunlight throughout the winter months. This trend is marked by earlier months like January with 260 hours, steadily increasing to peak in May with 359 hours. The sunshine remains generous as the year wraps up, continuing to invite both locals and visitors to bask in the warm embrace of Ponce's delightful climate. As we look through the months, it's clear that Ponce offers a serene escape filled with sunshine, making every December afternoon a chance to soak in the vibrant beauty of this tropical paradise.

Monthly Sunshine Duration in Ponce: December Highlighted

The December sunshine duration represents the total number of hours Ponce 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.
JanFebMarAprMayJunJulAugSepOctNovDec260h306h346h349h359h345h356h352h316h314h300h320h
Data source: Ponce December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ponce During December

In December, Ponce, Puerto Rico, enjoys a 63% chance of sunny weather, making it one of the brighter months of the year. As we transition from November’s 57%, the likelihood of sunshine rises, reflecting a trend toward clearer skies as the year comes to a close. Compared to the preceding months, December's sunny probabilities hint at a favorable climate, especially when stacked against the wettest summer months like June, where the chance drops to just 25%. This emerging pattern of increasing sunshine leading into the holiday season makes December an attractive time for both locals and tourists seeking to bask in the beautiful Caribbean ambiance.

Percentage of Sunny Days in December in Ponce

The chart illustrates the percentage of sunny days in Ponce 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 Ponce experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%70%63%45%53%25%43%41%50%49%57%63%
Data source: Ponce December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ponce in December

As December unfolds in Ponce, Puerto Rico, residents experience a cozy 11 hours of daylight, marking a return to the shorter days that characterize the latter part of the year. This month reflects the patterns established earlier in November and the previous winter months of January and February, where daylight remains consistently at 11 hours. The transition from the peak summer months of June and July, which boast up to 13 hours of sunshine, highlights the gradual shift towards a more subdued and intimate light. As the calendar year closes, the consistent daylight duration invites a sense of rhythm and anticipation for the brighter days ahead, while still celebrating the warmth and vibrancy that December brings to this Caribbean locale.

Average Daylight Hours in Ponce for December

The chart illustrates the variation in daylight duration in Ponce throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 10m11h 32m12h 2m12h 33m12h 58m13h 10m13h 4m12h 41m12h 12m11h 42m11h 16m11h 3m
Data source: Ponce daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Ponce

In Ponce, Puerto Rico, December sees an average wind speed of 4.8 m/s (11 mph), which aligns closely with the patterns observed throughout the year. Interestingly, September experiences the calmest winds at 3.3 m/s (7 mph), while the summer months of July and August showcase the strongest breezes, peaking at 5.6 m/s (13 mph). As the year progresses, there’s a gradual increase in wind speeds from January’s 4.5 m/s (10 mph) to December’s 4.8 m/s (11 mph), suggesting a seasonal trend of slightly elevated winds during the latter months. This gentle December breeze, while moderate, adds a refreshing touch to the tropical ambiance, making it an ideal time for outdoor activities and enjoying the island’s vibrant scenery.

Average December Wind Speed in Ponce

The chart displays monthly wind speed patterns in Ponce, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.55.84.74.14.85.25.64.83.33.93.94.8 m/s
Data source: Ponce December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Ponce Compares to Other Months

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

December and January present similar yet slightly distinct weather patterns. In December, temperatures range from a minimum of 21°C (71°F) to a maximum of 28°C (84°F), with an average of 25°C (76°F). The month sees about 31 mm (1.2 in) of precipitation spread over 10 days, coupled with a humidity level of 77%. In contrast, January brings slightly cooler temperatures, with a minimum of 18°C (65°F) and an average of 24°C (75°F), peaking at 27°C (81°F). Precipitation decreases to 26 mm (1.0 in) over the same number of days, and humidity drops slightly to 76%. For a detailed look at January conditions, you can check Ponce weather in January.

In December, the weather in Ponce is generally warm, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 28°C (84°F), averaging around 25°C (76°F). The month experiences moderate rainfall, with about 31 mm (1.2 in) of precipitation over approximately 10 days, and a humidity level of 77%. In contrast, February offers slightly cooler weather, where temperatures range from 20°C (68°F) to 27°C (82°F), averaging 24°C (75°F). February sees a bit less rainfall, with about 28 mm (1.1 in) over 8 days, and a lower humidity of 75%. For more details, you can check Ponce weather in February.

In December, temperatures in Ponce range from a minimum of 21°C (71°F) to a maximum of 28°C (84°F), with an average of 25°C (76°F). This month also sees about 31 mm (1.2 in) of precipitation over approximately 10 days, coupled with a humidity level of 77%. In contrast, March experiences slightly cooler temperatures, with a minimum of 20°C (68°F) and a maximum of 27°C (81°F), averaging 24°C (75°F). However, March has higher precipitation, totaling 53 mm (2.1 in) over about 14 days, and a humidity level of 75%. For more detailed insights on weather in March, you can check this link: Ponce weather in March.

In December, the weather is characterized by slightly warmer daytime temperatures, averaging around 25°C (76°F), with maximums reaching 28°C (84°F). The month experiences moderate precipitation, totaling 31 mm (1.2 in) over approximately 10 days, while humidity remains relatively high at 77%. In contrast, April tends to be a bit cooler with average temperatures of 24°C (76°F) and a similar maximum of 28°C (83°F). However, it experiences more precipitation at 50 mm (2.0 in) spread across 16 days, leading to a slightly lower humidity of 76%. For more detailed information, check out Ponce weather in April.

In December, the weather in Ponce is characterized by slightly cooler temperatures, with a minimum of 21°C (71°F) and a maximum of 28°C (84°F). The month sees an average of 25°C (76°F) and receives about 31 mm (1.2 in) of precipitation over 10 days, accompanied by a humidity level of 77%. In contrast, May experiences a marginally warmer climate, with a minimum temperature of 22°C (72°F) and a maximum of 29°C (85°F), while maintaining a similar average of 25°C (77°F). However, May is marked by increased precipitation, totaling 62 mm (2.4 in) and occurring over 17 days, alongside a humidity level of 76%. For more detailed weather information in May, you can refer to Ponce weather in May.

In comparing the weather between December and June, we see that both months experience warm temperatures, with December having a slightly cooler temperature range. In December, the minimum temperature is 21°C (71°F), while in June, it starts at a higher minimum of 23°C (73°F). The average temperatures are also slightly higher in June, at 26°C (79°F) compared to December's 25°C (76°F). Additionally, June tends to be wetter, receiving 55 mm (2.2 in) of precipitation over 15 days, compared to December's 31 mm (1.2 in) over 10 days. Humidity levels remain relatively similar, with June at 78% and December at 77%. Overall, June is warmer and wetter than December. For more detailed information on Ponce's weather in June, you can visit Ponce weather in June.

In December, the weather in Ponce tends to be slightly cooler, with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 28°C (84°F), accompanied by a humidity of 77%. Precipitation levels are relatively low at 31 mm (1.2 in) over approximately 10 days. In contrast, July features warmer conditions, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (87°F) and higher humidity at 81%. Additionally, July experiences more rain, with 83 mm (3.3 in) falling over about 15 days. For a more detailed look at July's weather, check out Ponce weather in July.

In December, the weather is generally warm and pleasant, with temperatures ranging from a minimum of 21°C (71°F) to a maximum of 28°C (84°F) and an average temperature of 25°C (76°F). The month sees relatively low precipitation at 31 mm (1.2 in) over approximately 10 days, accompanied by a humidity level of 77%. In contrast, August tends to be hotter and wetter, with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 30°C (87°F), averaging 27°C (80°F). This month experiences significantly higher rainfall at 89 mm (3.5 in) spread over 16 days, along with a slight increase in humidity to 80%. For more detailed information, check out Ponce weather in August.

When comparing the weather in December to September, several notable differences emerge. December tends to be slightly cooler, with an average temperature of 25°C (76°F), compared to September's warmer average of 26°C (80°F). While the minimum temperature in December is 21°C (71°F), September starts off at a higher minimum of 23°C (75°F). Additionally, December experiences significantly less precipitation, with only 31 mm (1.2 in) over 10 days, while September sees much heavier rainfall at 158 mm (6.2 in) across 23 days. Humidity levels are relatively similar, with December at 77% and September at 79%. For more details, check out Ponce weather in September.

December weather is slightly cooler than October, with average temperatures ranging from a minimum of 21°C (71°F) to a maximum of 28°C (84°F), compared to October's 23°C (74°F) minimum and 30°C (86°F) maximum. While December experiences significantly less precipitation, totaling only 31 mm (1.2 in) over about 10 days, October is much wetter, accumulating 115 mm (4.5 in) of rain over 23 days. Humidity levels remain relatively comparable, with December at 77% and October at 78%. For a deeper insight into the weather patterns, check out Ponce weather in October.

In comparing the weather of December to November, we see some notable differences. December maintains a similar average temperature of 25°C (76°F), but features slightly lower minimum and maximum temperatures—21°C (71°F) and 28°C (84°F) respectively. Precipitation levels drop significantly in December, with only 31 mm (1.2 in) recorded over 10 days, compared to November's 88 mm (3.5 in) spread across 17 days. Humidity remains relatively consistent between the two months, with December at 77% and November at 78%. For a more detailed look at the conditions in November, you can visit Ponce weather in November.

Compare Ponce's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Ponce

As December unfolds in Ponce, the weather showcases a delightful transition into the cooler, yet still warm climate of winter. Unlike the sweltering heat of the summer months, December offers a more moderate temperature range that invites both locals and visitors to enjoy the outdoors. Although some days may bring light showers, with occasional peaks of humidity, the overall climate remains inviting. This month captures the essence of a tropical winter, making it an ideal time to experience the unique charm of Ponce. For a detailed analysis of Ponce’s weather patterns, visit Ponce Climate.