December Weather in Jayapura, Indonesia

Last updated: August 21, 2025

December in Jayapura, Indonesia is characterized by warm temperatures and significant rainfall, perfect for experiencing the lush tropical atmosphere. The maximum temperature reaches a balmy 31°C (88°F), while the average hovers around a comfortable 27°C (81°F), with a minimum settling at 25°C (77°F). Travelers should prepare for a wet month, as precipitation totals can soar to 334 mm (13.1 in) across 30 rainy days, creating a humidity level of 84%. This combination of tropical warmth and consistent rainfall enriches the region's verdant landscapes, making December a vibrant time to visit Jayapura.

December Temperature in Jayapura

In December, Jayapura, Indonesia, enjoys a consistent tropical climate, with temperatures reflecting a familiar pattern observed throughout the year. The minimum temperature hovers around 25°C (77°F), while the average stays steady at 27°C (81°F). Daytime highs reach a warm 31°C (88°F), offering plenty of sunshine for outdoor activities. This month marks the end of the year but stays true to the city's overall climate, where temperatures remain remarkably stable. With only slight variations from the previous months, December creates an inviting atmosphere, perfect for embracing the natural beauty and rich culture of this vibrant region.

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

The chart illustrates December temperature patterns in Jayapura, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jayapura, 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).
JanFebMarAprMayJunJulAugSepOctNovDec818181818180808081818181
Data source: Temperature data for Jayapura 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 Jayapura

In December, Jayapura, Indonesia, experiences a notable peak in precipitation, recording 334 mm (13.1 in) of rain over 30 days. This marks a continuation of the wet season trend established throughout the year, with December almost matching the high levels of rainfall seen in February and March, which are typically the rainiest months. The consistent rainfall not only contributes to the lush tropical landscape but also underscores the city's position in a region characterized by high humidity and frequent downpours. As the year wraps up, December's weather embodies the rhythm of Jayapura's climate, showcasing an environment where rain is both a vital resource and a defining feature of daily life.

December Precipitation Trends in Jayapura

The chart displays monthly precipitation patterns in Jayapura, 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 Jayapura, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec206331339315233257293239200240315334
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Jayapura

In December, Jayapura, Indonesia, maintains a humidity level of 84%, aligning closely with earlier months of the year. The climate exhibits a subtle yet consistent pattern, where humidity fluctuates between 83% and 86% throughout the seasons. Most notably, the higher humidity peaks occur from August to October, suggesting a trend towards increased moisture as the year progresses. This relatively stable humidity level, combined with the warm tropical climate, contributes to the lush landscapes and vibrant ecosystems that characterize this beautiful region. As the year wraps up, December's slightly decreased humidity still retains the signature tropical essence that defines Jayapura.

December Average Humidity in Jayapura

This chart illustrates the average monthly humidity levels in Jayapura, 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 Jayapura is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%83%85%84%85%85%87%86%86%85%84%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jayapura

In December, Jayapura, Indonesia, continues to experience an extreme UV Index of 14, with a rapid burn time of just 10 minutes. This marks a slight dip from the month's prior, where values peaked at 17 in February and March, yet still indicates a significant level of solar radiation. Throughout the year, the UV Index remains consistently high, often reflecting the tropical climate's intensity, urging residents and visitors alike to prioritize sun protection. As the rainy season sets in, the sun still shines brightly, and awareness becomes essential for outdoor activities. For more detailed information about UV levels year-round, visit Jayapura UV Index.

Maximum UV Index Levels in Jayapura for December

The chart shows the monthly maximum UV Index (UVI) for Jayapura 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 Jayapura typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151717161412121415141414
Data source: Jayapura 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 Jayapura

December in Jayapura, Indonesia, brings a delightful mix of sunshine and warmth, offering residents and visitors alike a generous 256 hours of sunlight. As the year draws to a close, the light begins to dip from the peak of 282 hours experienced in August, but still stands out as a vibrant month for outdoor activities. This month’s sunshine hours reflect a steady rhythm, consistently maintaining a rich tapestry of light, particularly when compared to earlier months such as January and November with their shorter durations. With the festive spirit in the air and the tropical climate providing a perfect backdrop, December offers a beautiful transition into the New Year, making it a fantastic time to soak up the sun in this picturesque locale.

Monthly Sunshine Duration in Jayapura: December Highlighted

The December sunshine duration represents the total number of hours Jayapura 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.
JanFebMarAprMayJunJulAugSepOctNovDec224h232h250h243h271h254h253h282h273h277h239h256h
Data source: Jayapura December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jayapura During December

In December, the likelihood of experiencing sunny weather in Jayapura, Indonesia, is notably low, with only a 4% chance of sunshine. This trend emphasizes a distinct pattern as the year progresses; while months like August offer a much more promising 36% chance of sun, December follows November, which itself has a modest 19% likelihood. As the dry season approaches in mid-year, the probability of clear skies notably increases, peaking at 27% in June. However, by the time December rolls around, residents and visitors alike should prepare for a return to overcast conditions, highlighting Jayapura’s seasonal variation in weather patterns.

Percentage of Sunny Days in December in Jayapura

The chart illustrates the percentage of sunny days in Jayapura 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 Jayapura experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec7%4%9%14%15%27%25%36%26%23%19%4%
Data source: Jayapura December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jayapura in December

In Jayapura, Indonesia, December shines with an invigorating 12 hours of daylight, mirroring the consistent pattern set from January through April and again from August through November. The month-to-month variation reveals a fascinating transition in daylight duration, with May, June, and July experiencing a slight dip to 11 hours. However, the return to longer days in the latter part of the year highlights the region's unique equatorial climate, where daylight remains relatively stable year-round. This consistency not only contributes to the vibrant natural landscapes but also supports the rich cultural life of the city throughout the seasons.

Average Daylight Hours in Jayapura for December

The chart illustrates the variation in daylight duration in Jayapura throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 14m12h 10m12h 6m12h 2m11h 59m11h 58m11h 58m12h 1m12h 4m12h 9m12h 13m12h 15m
Data source: Jayapura daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Jayapura

As December arrives in Jayapura, Indonesia, the winds pick up an invigorating pace, averaging 4.2 m/s (9 mph) and marking a notable increase from the preceding months. This uptick in wind speed signals a transition, as the previous months showcased a general trend of lower winds, with averages fluctuating between 2.2 m/s (5 mph) and 3.7 m/s (8 mph). The shift in December not only brings a refreshing breeze but also hints at the dynamic climatic shifts that characterize the region. With the year winding down, this burst of wind energy complements the vibrant landscape, inviting both locals and visitors to embrace the lively atmosphere of Jayapura.

Average December Wind Speed in Jayapura

The chart displays monthly wind speed patterns in Jayapura, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.53.72.82.92.22.52.33.03.02.32.34.2 m/s
Data source: Jayapura December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Jayapura Compares to Other Months

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

In December, the weather is characterized by consistently warm temperatures, with lows around 25°C (77°F), an average of 27°C (81°F), and highs reaching up to 31°C (88°F). However, it also experiences significantly higher precipitation, totaling 334 mm (13.1 in) over 30 days, accompanied by high humidity of 84%. In contrast, January mirrors December's temperatures, maintaining the same minimum, average, and maximum readings, but sees a drop in precipitation to 206 mm (8.1 in) occurring over 22 days. This slight reduction in rain while retaining the same humidity level suggests more drier spells, making January somewhat drier than December. For more detailed insights about January weather, you can refer to Jayapura weather in January.

In December, the weather features slightly warmer temperatures, with highs reaching up to 31°C (88°F), while February offers a slightly cooler maximum of 30°C (87°F). Both months have similar average temperatures of 27°C (81°F) and minimums of 25°C (77°F). Precipitation levels are comparable as well, with December receiving 334 mm (13.1 inches) over 30 days, while February sees slightly less at 331 mm (13.0 inches) across 26 days. Humidity remains constant at 84% for both months, ensuring a consistently warm and humid climate. For a detailed look at February weather, check out Jayapura weather in February.

December and March exhibit similar temperature ranges, with both months averaging around 27°C (81°F) and experiencing maximum temperatures of 31°C (88°F). However, December brings slightly more rainfall, with 334 mm (13.1 in) over 30 days compared to March's 339 mm (13.3 in) over 29 days. Humidity levels are comparable as well, with December at 84% and March at 83%, indicating a consistently humid climate throughout. For further details on March's weather, you can visit Jayapura weather in March.

In December, the weather offers consistent warmth with temperatures ranging from a minimum of 25°C (77°F) to a maximum of 31°C (88°F) and an average of 27°C (81°F). However, this month also experiences significant rainfall, totaling 334 mm (13.1 in) over 30 days, along with high humidity levels of 84%. In comparison, April maintains similar temperature averages, with a minimum of 25°C (76°F), an average of 27°C (81°F), and a maximum of 31°C (88°F). Precipitation in April is slightly lower at 315 mm (12.4 in) over 27 days, while humidity remains high at 85%. For more details on the climate during this month, check out Jayapura weather in April.

In December, Jayapura experiences similar temperature averages as in May, with minimums around 25°C (77°F), averages at 27°C (81°F), and maximums reaching 31°C (88°F). However, December is marked by significantly higher precipitation, totaling 334 mm (13.1 in) over 30 days, compared to May's 233 mm (9.2 in) over 29 days. Despite both months sharing the same humidity level of 84%, the increased rainfall in December results in a much wetter climate. For more detailed information about the weather in May, you can visit Jayapura weather in May.

In December, the weather features a similar temperature range to June, with minimums around 25°C (77°F), average temperatures of 27°C (81°F), and maximums reaching 31°C (88°F). However, December experiences significantly higher precipitation at 334 mm (13.1 in) over 30 days, compared to June's 257 mm (10.1 in) over 26 days. Humidity is also slightly higher in December at 84%, while June boasts a humidity level of 85%. Overall, both months share a warm climate, but December tends to be wetter. For more details on June weather, check out Jayapura weather in June.

December and July exhibit relatively similar temperature ranges, with December experiencing slightly warmer conditions, showcasing minimums of 25°C (77°F) and maximums of 31°C (88°F), compared to July's minimum of 24°C (76°F) and maximum of 30°C (87°F). However, December is marked by higher precipitation levels, receiving 334 mm (13.1 in) over 30 days, while July sees 293 mm (11.6 in) across 25 days. Both months have high humidity levels, with December at 84% and July at 85%. For more detailed weather insights, you can explore Jayapura weather in July.

In December, the weather is characterized by slightly warmer temperatures, with a minimum of 25°C (77°F) and a maximum of 31°C (88°F), compared to August's minimum of 24°C (75°F) and maximum of 30°C (87°F). Both months feature similar average temperatures of around 27°C (81°F). However, December experiences significantly higher precipitation, with 334 mm (13.1 in) spread over 30 days, whereas August sees less rainfall at 239 mm (9.4 in) over 28 days. Humidity levels are also quite high in both months, with December at 84% and August at 86%. For more specific details about August weather, you can check Jayapura weather in August.

In December, the weather remains warm with a minimum temperature of 25°C (77°F) and averages around 27°C (81°F), peaking at 31°C (88°F). However, it's notably wetter, with a significant precipitation of 334 mm (13.1 in) spread over 30 days and humidity levels reaching 84%. In contrast, September's climate is quite similar in terms of temperature, with a minimum of 24°C (76°F), an average of 27°C (81°F), and a maximum of 31°C (87°F). Nonetheless, it is drier, receiving only 200 mm (7.9 in) of rain over 25 days and maintaining slightly lower humidity at 86%. For a more detailed look at September's climate, you can refer to Jayapura weather in September.

When comparing the weather in December to that of October, we see that both months share similar average temperatures, with a minimum of 25°C (77°F) and a maximum of 31°C (88°F). However, December experiences higher precipitation at 334 mm (13.1 in) over 30 days, compared to October's 240 mm (9.5 in) over 28 days. The humidity levels are also quite close, with December at 84% and October at 85%, making both months feel quite humid. For more details on October's weather, you can visit Jayapura weather in October.

In December, the weather is quite similar to November, with both months featuring a minimum temperature of 25°C (77°F) and an average of 27°C (81°F). However, December sees slightly more precipitation, totaling 334 mm (13.1 inches) over 30 days, compared to November's 315 mm (12.4 inches) over 27 days. Humidity levels also remain high in both months, with December at 84% and November at 85%. Overall, while the temperatures are consistent, December tends to be wetter and slightly more humid than November. For more detailed information, check out Jayapura weather in November.

Compare Jayapura's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Jayapura

As December arrives in Jayapura, the city experiences a noticeably humid and wet climate, characterized by frequent rainfall and elevated temperatures that linger around warm averages. Unlike drier months, December sees nearly constant precipitation, keeping the lush landscapes vibrant and alive. With an average temperature that hovers around a balmy 27°C, the season invites both locals and visitors to embrace the tropical charm of this bustling port city. For detailed insights into the weather throughout the year, explore Jayapura Climate.