December Weather in Barisan, Indonesia

Last updated: August 21, 2025

In December, Barisan, Indonesia, experiences a vibrant tropical climate characterized by warm temperatures and high humidity. The maximum temperature can reach a sweltering 33°C (93°F), while the average temperature settles at a comfortable 26°C (78°F), with nighttime lows of around 21°C (70°F). This month is marked by significant rainfall, totaling 315 mm (12.4 in) over 29 days, making it one of the wetter periods of the year. The humidity level hovers around 77%, contributing to the lush landscapes and rich biodiversity typical of the region during the monsoon season.

December Temperature in Barisan

In December, Barisan, Indonesia embraces warm tropical weather with temperatures that reflect a notable trend of minimal fluctuation throughout the year. The month's minimum temperature hovers around 21°C (70°F), while the average settles at a pleasant 26°C (78°F), nudging upward towards the peak of the season. The maximum temperature can reach up to 33°C (93°F), consistent with the region's overall climate patterns, peaking just one degree higher than in prior months. This slight increase sets the stage for a humid yet vibrant atmosphere, typical of the Indonesian archipelago, inviting visitors and locals alike to enjoy the warmth of the sunny days.

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

The chart illustrates December temperature patterns in Barisan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barisan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec787878797876747475767878
Data source: Temperature data for Barisan 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 Barisan

In December, Barisan, Indonesia experiences significant rainfall, with a precipitation total of 315 mm (12.4 in). This month's total follows a trend of heightened wetness, peaking in November with 357 mm (14.0 in), and marks a continuation of the rainy season as 29 days of rain contribute to the overall totals. Compared to the dry months, like July and August, when only 20 mm (0.8 in) and 23 mm (0.9 in) fell respectively, December's deluge becomes all the more notable. The frequent rain in December firmly establishes it as a key month in Barisan’s hydrological calendar, emphasizing the region's climate dynamics as the wet season reaches its climax.

December Precipitation Trends in Barisan

The chart displays monthly precipitation patterns in Barisan, 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 Barisan, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec328336344168696320238296357315
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Barisan

In December, Barisan, Indonesia, experiences a humidity level of 77%, which marks a continuation of its gradual decline throughout the latter part of the year. Following the higher peaks of February's 85%, humidity in Barisan consistently decreased from March to December, with the driest months occurring in September and October. This trend indicates a shift towards less humid conditions as the year draws to a close, providing a brief respite before the humidity levels begin to rise again in early January. Overall, December's humidity reflects this seasonal ebb, offering a refreshing yet still tropical atmosphere typical of the region.

December Average Humidity in Barisan

This chart illustrates the average monthly humidity levels in Barisan, 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 Barisan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%85%83%81%82%81%79%79%77%78%78%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Barisan

In December, Barisan, Indonesia, continues to experience its intense UV radiation, maintaining a high UV Index of 15, categorized as extreme with a brief burn time of just 10 minutes. This trend is consistent with the previous months, as Barisan has seen an unwaveringly high UV Index from January through November, illustrating a persistent exposure risk throughout the year. Despite a slight dip in April and May, the overall data emphasizes the need for sun protection. As you prepare for outdoor activities this month, remember to take precautions to safeguard your skin in these extreme conditions. For more detailed information, visit Barisan UV Index.

Maximum UV Index Levels in Barisan for December

The chart shows the monthly maximum UV Index (UVI) for Barisan 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 Barisan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151515141210111315151515
Data source: Barisan 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 Barisan

As December arrives in Barisan, Indonesia, residents can bask in approximately 264 hours of sunshine, a warm embrace that reflects the region's generally bright disposition throughout the year. Notably, the trend reveals a gradual increase in sunlit days, culminating in a peak during the mid-year with July and August enjoying exceptional sunlight at 311 and 314 hours, respectively. After November's dip to 251 hours, December welcomes a moderate recovery, hinting at a balance between the heavier cloud cover typical of the rainy season and the ongoing allure of bright, sunny days. This interplay keeps the landscape vibrant and invites outdoor activities as the year draws to a close.

Monthly Sunshine Duration in Barisan: December Highlighted

The December sunshine duration represents the total number of hours Barisan 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.
JanFebMarAprMayJunJulAugSepOctNovDec205h249h273h290h303h290h311h314h302h306h251h264h
Data source: Barisan December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Barisan During December

In Barisan, Indonesia, the likelihood of sunny weather takes a notable turn as the year progresses, peaking in the transitional months of April to July, when sunshine chances fluctuate between 32% and 43%. However, as December approaches, this trend drastically reverses, with the probability of sunny days plummeting to a mere 5%. This dramatic decline marks the beginning of the rainy season, suggesting that visitors to Barisan during this month should prepare for overcast skies and frequent showers rather than basking in sunshine. Thus, while the earlier months of the year present a more cheerful outlook, December is a stark reminder of nature’s mood shift in this tropical paradise.

Percentage of Sunny Days in December in Barisan

The chart illustrates the percentage of sunny days in Barisan 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 Barisan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec2%6%9%43%37%32%42%39%25%14%5%5%
Data source: Barisan December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Barisan in December

In Barisan, Indonesia, the daylight duration exhibits a consistent rhythm throughout the year. From January to March, residents enjoy a steady 12 hours of daylight, reflecting the region's stable equatorial climate. As the year progresses into April through August, the daylight dips slightly to 11 hours, creating a subtle change that hints at the seasonal transition. However, by September, daylight resumes its earlier pattern, again stretching to 12 hours as the year draws to a close. This cyclical dance of light resonates with nature, ensuring that the people of Barisan experience an enduring balance of day and night, particularly as they welcome the festive spirit of December with its reassuring 12 hours of daylight.

Average Daylight Hours in Barisan for December

The chart illustrates the variation in daylight duration in Barisan throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec12h 32m12h 21m12h 7m11h 54m11h 43m11h 37m11h 40m11h 49m12h 2m12h 16m12h 28m12h 35m
Data source: Barisan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Barisan

As December unfolds in the Barisan region of Indonesia, the average wind speed settles at a gentle 1.7 m/s (4 mph), reflecting a subtle drop from the breezier months of July through September, which enjoy winds of up to 3.2 m/s (7 mph). This month marks a transition from the peak winds experienced in the mid-year, where conditions often embraced a refreshing vivacity, to the calmer breaths of early winter. Interestingly, the trend reveals a gradual increase in wind speeds starting from the typically sheltered January, building momentum through May before reaching its zenith in the lively summer months. By December, the backdrop turns serene, as the year's winds softly whisper through the landscapes, reminding us of the tranquil beauty of the season.

Average December Wind Speed in Barisan

The chart displays monthly wind speed patterns in Barisan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.91.61.92.31.82.93.23.02.21.31.7 m/s
Data source: Barisan December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Barisan Compares to Other Months

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

In December, the weather typically features temperatures ranging from a minimum of 21°C (70°F) to a maximum of 33°C (93°F), with an average of 26°C (78°F). This month is characterized by significant rainfall, with a total precipitation of 315 mm (12.4 in) spread over 29 days, and a humidity level of 77%. In contrast, January sees a slight increase in minimum temperatures, averaging 22°C (72°F), while the maximum drops slightly to 32°C (90°F), with an average temperature of 25°C (78°F). Rainfall in January is slightly higher at 328 mm (12.9 in), occurring over 24 days and accompanied by a higher humidity of 81%. For more detailed weather information, visit Barisan weather in January.

In December, the weather is characterized by warm temperatures, with minimums around 21°C (70°F), averaging 26°C (78°F), and peaking at 33°C (93°F). The month experiences significant rainfall, totaling 315 mm (12.4 inches) over 29 days, accompanied by a humidity level of 77%. In contrast, February shows slightly lower average temperatures, with a similar minimum of 21°C (71°F) and a maximum of 33°C (91°F), but averages 25°C (78°F). Precipitation increases to 336 mm (13.2 inches), occurring over 27 days, and humidity rises to 85%. For a more detailed weather overview, you can check Barisan weather in February.

In December, temperatures typically range from a minimum of 21°C (70°F) to a maximum of 33°C (93°F), with an average of 26°C (78°F). The month experiences significant rainfall, totaling 315 mm (12.4 in) across 29 days, contributing to a humidity level of 77%. In contrast, March shows a similar temperature range, maintaining a minimum of 21°C (71°F) and an average of 26°C (78°F), but with a slightly lower maximum of 32°C (90°F). Precipitation increases in March to 344 mm (13.5 in) over the same number of days, leading to a higher humidity level of 83%. For more detailed information about the weather patterns in March, visit Barisan weather in March.

In December, the weather tends to be warmer with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 33°C (93°F) and an average of 26°C (78°F). This month experiences significant rainfall, totaling 315 mm (12.4 inches) over 29 days, contributing to high humidity levels of around 77%.

In contrast, April features slightly cooler temperatures, with a minimum of 19°C (67°F) and a maximum of 32°C (90°F), maintaining an average of 26°C (79°F). Precipitation is less intense in April, amounting to 168 mm (6.6 inches) across 22 days, resulting in a marginally higher humidity of 80%. For more specifics on April weather, you can check Barisan weather in April.

December and May present distinct weather characteristics. In December, temperatures range from a minimum of 21°C (70°F) to a maximum of 33°C (93°F), with an average temperature of 26°C (78°F). This month is notably wetter, receiving 315 mm (12.4 in) of precipitation over 29 days, contributing to a humidity level of 77%. In contrast, May experiences slightly cooler temperatures, with a minimum of 19°C (67°F), an average of 25°C (78°F), and a maximum of 32°C (90°F). Rainfall in May is significantly lower, totaling 69 mm (2.7 in) across just 11 days, and humidity increases to 82%. For more detailed information, you can check out Barisan weather in May.

December and June exhibit notable differences in climate conditions. December experiences higher temperatures, with an average of 26°C (78°F) and a maximum reaching 33°C (93°F), while June is slightly cooler, averaging 24°C (76°F) and peaking at 31°C (88°F). Precipitation in December is significantly greater, totaling 315 mm (12.4 in) over 29 days, compared to June's modest 63 mm (2.5 in) over just 10 days. Humidity levels are also slightly higher in June at 81%, compared to December's 77%. For a closer look at the weather in June, see Barisan weather in June.

December and July present distinctly different weather patterns. In December, temperatures range from a minimum of 21°C (70°F) to a maximum of 33°C (93°F), with an average of 26°C (78°F). This month is characterized by high precipitation, totaling 315 mm (12.4 in) across 29 days, and humidity levels at 77%. In contrast, July sees cooler temperatures, with a minimum of 17°C (62°F) and a maximum of 32°C (89°F), averaging 23°C (74°F). Remarkably, July experiences much less rainfall, with only 20 mm (0.8 in) over just 4 days, and a slightly higher humidity at 79%. For more details on July weather, you can check this link: Barisan weather in July.

In December, the weather is notably warmer and wetter compared to August. With temperatures ranging from a minimum of 21°C (70°F) to a maximum of 33°C (93°F) and an average temperature of 26°C (78°F), the month experiences significant rainfall, totaling 315 mm (12.4 in) over approximately 29 days. In contrast, August offers milder weather, with temperatures varying from 18°C (64°F) to a maximum of 30°C (86°F) and an average of 23°C (74°F). Precipitation is much lighter in August, with only 23 mm (0.9 in) over 7 days, and while humidity remains high at 79%, it slightly edges out December's 77%. For more detailed information about the August weather, you can visit Barisan weather in August.

The weather in December features higher temperatures compared to September, with December's minimum temperatures starting at 21°C (70°F) and averaging 26°C (78°F), while September experiences a slightly cooler minimum of 17°C (62°F) and an average of 24°C (75°F). Both months have similar humidity levels at 77%, but December sees significantly more rainfall, totaling 315 mm (12.4 in) over 29 days, compared to September's 82 mm (3.2 in) over just 9 days. For more detailed information on September weather, you can check out Barisan weather in September.

In comparing the weather conditions of December and October, December experiences slightly warmer temperatures, with an average of 26°C (78°F) compared to October's 25°C (77°F). The maximum temperature in December can reach up to 33°C (93°F), just one degree higher than October's 32°C (89°F). However, December tends to be much wetter, receiving 315 mm (12.4 in) of precipitation over 29 days, while October sees only 96 mm (3.8 in) over 17 days. Both months share similar humidity levels at 77%. For more detailed insights, you can explore Barisan weather in October.

In comparing the weather of December and November, we notice that December presents slightly warmer temperatures, with a minimum of 21°C (70°F) and an average of 26°C (78°F), compared to November's minimum of 19°C (67°F) and average of 25°C (78°F). However, November experiences slightly higher total precipitation at 357 mm (14.0 in) over 25 days, whereas December sees 315 mm (12.4 in) across 29 days. Humidity levels remain relatively consistent, with December averaging 77% and November at 78%. Overall, while December is warmer, November is wetter, making both months distinctly unique in their weather patterns. For more detailed information, check out Barisan weather in November.

Compare Barisan's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Barisan

In December, Barisan experiences a noticeable shift in weather compared to other months, characterized by increased humidity and frequent precipitation. With lush, tropical conditions prevailing, this month is one of the wettest of the year, as rain can be expected almost daily. The warmth remains consistent, but the blend of high temperatures and abundant rainfall creates a unique atmosphere that sets December apart. Visitors and locals alike can expect vibrant landscapes, though they should prepare for the humidity. For a deeper dive into Barisan's overall climate trends, check out Barisan Climate.