December Weather in Jakarta, Indonesia

Last updated: August 21, 2025

December in Jakarta, Indonesia is characterized by a warm and humid climate, with average temperatures hovering around 27°C (81°F). Daily maximums can reach as high as 33°C (92°F), while the nights offer a mild retreat with minimum temperatures dipping to 23°C (74°F). This month is also marked by significant precipitation, averaging 241 mm (9.5 in) over 26 days—a testament to the city's lush tropical landscape. With humidity levels soaring at 79%, residents and visitors alike can expect a distinctly tropical experience, perfect for embracing the vibrant culture amidst frequent rain showers.

December Temperature in Jakarta

In December, Jakarta experiences warm and humid conditions typical of its tropical climate, with temperatures ranging from a comfortable 23°C (74°F) at night to a daytime peak of 33°C (92°F). The average temperature hovers around 27°C (81°F), reflecting a slight dip compared to the previous months, yet the heat persists. Notably, this month maintains a consistent pattern seen throughout the year, with maximum temperatures often reaching into the low thirties. As the city transitions into the rainy season, December brings moisture-laden air, contributing to a muggy atmosphere—particularly in the afternoons—yet the warmth remains a constant companion for both residents and visitors alike.

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

The chart illustrates December temperature patterns in Jakarta, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jakarta, 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).
JanFebMarAprMayJunJulAugSepOctNovDec808081818281818282828281
Data source: Temperature data for Jakarta 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 Jakarta

In December, Jakarta experiences a significant uptick in precipitation, with 241 mm (9.5 in) of rain falling over 26 days. This consistent rainfall marks a transition into the wet season, closely resembling the wettest months of the year. Following November's total of 195 mm (7.7 in), December maintains a high frequency of rainy days, contributing to an overall increase in moisture throughout the city. The trend reveals a stark contrast to the drier months of June and July, which saw averages as low as 43 mm (1.7 in). As the year closes, Jakarta's lush landscapes are nourished, reflecting the city’s vibrant ecosystems and the rhythm of its tropical climate.

December Precipitation Trends in Jakarta

The chart displays monthly precipitation patterns in Jakarta, 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 Jakarta, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec25232826722712579435971115195241
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Jakarta

In December, Jakarta, Indonesia experiences a humidity level of 79%, slightly lower than the peak of 86% seen in February. The overall trend throughout the year highlights a gradual decline in humidity from the more humid months at the start of the year, with the highest levels in January and February, averaging around 84%. As the year progresses, the humidity stabilizes around the mid-70s to low 80s, peaking lightly again in November before dipping in December. This consistent pattern reflects Jakarta’s tropical climate, providing a warm atmosphere interspersed with occasional moisture fluctuations.

December Average Humidity in Jakarta

This chart illustrates the average monthly humidity levels in Jakarta, 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 Jakarta is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%86%84%81%80%80%79%77%77%78%80%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jakarta

In December, Jakarta experiences a UV Index of 13, categorized as extreme, which means that just 10 minutes of unprotected sun exposure can result in skin damage. This month concludes a year marked by consistently high UV levels, with the index hovering between 11 to 16 from January to November, indicating a persistent need for sun safety. Interestingly, while February and March peak at 16, the downward trend in UV intensity to 13 in December may offer a slight reprieve as the year wraps up. Nonetheless, UV exposure remains a critical concern, underscoring the importance of protective measures year-round. For more detailed insights, visit Jakarta UV Index.

Maximum UV Index Levels in Jakarta for December

The chart shows the monthly maximum UV Index (UVI) for Jakarta 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 Jakarta typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141616141110101113151413
Data source: Jakarta 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 Jakarta

As the year winds down, December in Jakarta embraces a warm embrace of sunshine, albeit slightly dimmer than the vibrant glow of the preceding months. With 261 hours of sunlight, this month reflects a gentle decline from the peak of 317 hours in August, showcasing a trend where daylight begins to recede as the rainy season approaches. However, December still enjoys a generous amount of sunshine, contributing to the city's tropical allure. The overall pattern indicates a steady increase in daylight hours from January's 213 hours to the year's zenith in August, before settling into the softer luminosity of late year. Despite the shift, Jakarta's December sunshine continues to cast a bright spirit over the festive season, inviting residents and visitors alike to relish the city’s tropical charm.

Monthly Sunshine Duration in Jakarta: December Highlighted

The December sunshine duration represents the total number of hours Jakarta 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.
JanFebMarAprMayJunJulAugSepOctNovDec213h239h289h283h303h294h314h317h304h298h266h261h
Data source: Jakarta December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jakarta During December

In December, Jakarta experiences a modest 9% chance of sunny weather, marking a significant drop from the drier months of July and August, which boast sunlight probabilities of 50% and 37%, respectively. This decline in sunshine likelihood aligns with the city's transition into the rainy season, characterized by increased precipitation and cloud cover. Particularly when compared to the preceding months, such as April and May, which offer sunshine chances of 34% and 35%, December's sunless conditions become even more pronounced. While occasional sunny intervals may still occur, it's clear that December is not favored for those craving bright skies in Jakarta.

Percentage of Sunny Days in December in Jakarta

The chart illustrates the percentage of sunny days in Jakarta 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 Jakarta experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec3%6%10%34%35%26%50%37%31%24%8%9%
Data source: Jakarta December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jakarta in December

In December, daylight in Jakarta, Indonesia, experiences a consistent stretch of 12 hours, aligning with the pattern seen in the months preceding it. From September to November, the daylight duration holds steady at 12 hours, showcasing a remarkable stability in sunlight exposure. However, as observed in the tropics, daylight duration begins to fluctuate mildly from April to August, where it dips to 11 hours. This rhythm of daylight reflects Jakarta's equatorial climate, where, despite slight variations, the sun's presence remains robust throughout the year, lending the city a vibrant and dynamic atmosphere during the festive season of December.

Average Daylight Hours in Jakarta for December

The chart illustrates the variation in daylight duration in Jakarta throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 25m12h 17m12h 7m11h 56m11h 48m11h 44m11h 46m11h 53m12h 3m12h 13m12h 23m12h 28m
Data source: Jakarta daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Jakarta

As the year draws to a close, December winds in Jakarta whisper at an average speed of 1.9 m/s (4 mph), consistent with the gentle breezes of the preceding months. While the city's weather often bathes its landscapes in warmth and humidity, the wind patterns exhibit a subtle shift as the year transitions. Notably, December's average picks up slightly from the lower speeds seen in mid-year, which dipped to 1.5 m/s (3 mph) in June and October. This trend suggests a reassuring breeze that complements the festive season, offering a refreshing escape from the tropical heat. Overall, as Jakarta embraces December, the wind dances softly, marrying the vibrant cityscape with the promise of new beginnings in the upcoming year.

Average December Wind Speed in Jakarta

The chart displays monthly wind speed patterns in Jakarta, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.22.31.91.71.71.51.81.71.71.52.11.9 m/s
Data source: Jakarta December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Jakarta Compares to Other Months

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

In December, Jakarta experiences warm temperatures with a minimum of 23°C (74°F) and an average of 27°C (81°F), while the maximum can reach 33°C (92°F). The month sees considerable rainfall, with a total precipitation of 241 mm (9.5 in) over 26 days, resulting in a humidity level of 79%. Transitioning into January, the weather remains quite similar, with the same temperature range but a slight increase in average precipitation to 252 mm (9.9 in) over 24 days and a rise in humidity to 84%. Thus, while both months share comparable temperatures, January is characterized by slightly wetter and more humid conditions. For more details, you can check Jakarta weather in January.

In December, the weather in Jakarta is characterized by warm temperatures, with daily averages reaching around 27°C (81°F) and maximums peaking at 33°C (92°F). However, the month also sees considerable rainfall, accumulating to 241 mm (9.5 in) over 26 days, contributing to a humidity level of 79%. In contrast, February maintains a similar temperature range, with a minimum of 23°C (74°F) and an average of 27°C (80°F), but the maximum temperature is slightly lower at 32°C (90°F). February experiences more precipitation, totaling 328 mm (12.9 in), and rainfall occurs over 28 days, resulting in a higher humidity level of 86%. For more detailed information, you can check Jakarta weather in February.

In both December and March, temperatures remain quite consistent, with minimums around 23°C (73-74°F), averages at 27°C (81°F), and maximums reaching 33°C (92°F). However, March experiences slightly higher precipitation, totaling 267 mm (10.5 in) over 29 days, compared to December's 241 mm (9.5 in) over 26 days. Additionally, March tends to be a bit more humid, with humidity levels at 84% versus December's 79%. For more detailed information, you can check Jakarta weather in March.

In both December and April, the temperatures in Jakarta remain consistent, with minimums at 23°C (74°F), averages at 27°C (81°F), and maximums reaching 33°C (92°F). However, December sees slightly higher precipitation, with 241 mm (9.5 in) compared to April's 227 mm (8.9 in), despite both months experiencing rain on approximately 26 days. Humidity also remains relatively high in both months, with December at 79% and April at 81%. For more details about the weather in April, you can check Jakarta weather in April.

In contrast to the cooler and wetter conditions of December, May in Jakarta features slightly warmer temperatures, with an average ranging from a minimum of 24°C (75°F) to a maximum of 34°C (93°F). While December sees a significant amount of rainfall at 241 mm (9.5 in) over 26 days, May's precipitation is much lower at 125 mm (4.9 in) occurring over 20 days. Despite the modest increase in temperature, humidity remains consistent between the two months, hovering around 79% in December and 80% in May. For those interested in more details about Jakarta's weather in May, you can visit Jakarta weather in May.

In comparing the weather of December and June, we see some notable similarities and differences. Both months experience a minimum temperature of around 23°C (73-74°F) and an average temperature of approximately 27°C (81-82°F). However, December is significantly wetter, with 241 mm (9.5 in) of precipitation over 26 days, compared to June's 79 mm (3.1 in) across 17 days. Humidity levels are slightly higher in December at 79%, while June maintains a similar humidity at 80%. For a detailed look at June weather in Jakarta, you can explore this link: Jakarta weather in June.

The weather in December and July shares a similar average temperature of 27°C (81°F), with maximum temperatures reaching up to 33°C (92°F) in both months. However, December tends to be more humid and wetter, experiencing significantly higher precipitation levels of 241 mm (9.5 inches) over 26 days, in contrast to July's 43 mm (1.7 inches) across just 10 days. This results in a more tropical and rainy atmosphere in December, while July remains comparatively drier. For more specific details about the weather in July, you can visit Jakarta weather in July.

December weather in Jakarta features a warm climate with temperatures ranging from a minimum of 23°C (74°F) to a maximum of 33°C (92°F), along with significant rainfall averaging 241 mm (9.5 in) over 26 days and a humidity level of 79%. In contrast, August tends to be slightly warmer with an average temperature of 28°C (82°F), peaking at 34°C (93°F) and a lower humidity at 77%. Precipitation in August is also much less, totaling only 59 mm (2.3 in) over just 8 days. For more detailed information, you can check Jakarta weather in August.

In December, the weather in Jakarta is characterized by higher humidity and more frequent rainfall, with an average temperature of 27°C (81°F) and total precipitation reaching 241 mm (9.5 in) over 26 days. In contrast, September sees a slightly warmer average temperature of 28°C (82°F) and significantly less rainfall, totaling just 71 mm (2.8 in) over 12 days. While both months experience warm conditions, December is marked by its wetness and elevated humidity at 79%, compared to September's 77%. For more details on Jakarta's September weather, you can visit Jakarta weather in September.

December weather in Jakarta features slightly cooler average temperatures, with a minimum of 23°C (74°F) and an average of 27°C (81°F), compared to October's average high of 28°C (83°F) and maximum of 35°C (96°F). December also sees a significant increase in precipitation, totaling 241 mm (9.5 in) over 26 days, compared to October's 115 mm (4.5 in) across 18 days. Humidity levels remain quite similar, with December at 79% and October at 78%, creating a consistently humid atmosphere year-round. For more detailed insights, check Jakarta weather in October.

In comparing the weather between December and November, both months feature similar minimum temperatures, with December averaging 23°C (74°F) at night. However, December tends to be slightly cooler during the day, with an average temperature of 27°C (81°F) compared to November's higher average of 28°C (82°F). November also experiences warmer maximum temperatures, reaching up to 34°C (94°F) versus December's peak of 33°C (92°F).

Precipitation is more pronounced in December, with a total of 241 mm (9.5 in) falling over 26 days, while November sees less rainfall at 195 mm (7.7 in) across 24 days. Both months maintain high humidity levels, around 79% in December and 80% in November. For a more detailed look at November's weather, you can visit Jakarta weather in November.

Compare Jakarta's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Jakarta

As December rolls into Jakarta, the city experiences a notable uptick in humidity and precipitation compared to other months. This period is characterized by its frequent rain showers, bringing a lush vibrancy to the landscape, but also resulting in over two-thirds of the month seeing some form of rain. With average temperatures hovering around a pleasantly warm 27°C, December invites both locals and visitors to enjoy the tropical atmosphere, despite the occasional downpour. For those planning to explore the city during this wet but warm month, understanding the unique Jakarta climate is essential. For more details, check out Jakarta Climate.