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December Weather in Barus, Indonesia

Last updated: August 23, 2025

In December, the average temperature in Barus, Indonesia is a pleasant 25°C (77°F), with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 29°C (85°F). However, prepare for some rain, as precipitation averages around 453 mm (17.8 in) across 28 days, complemented by a high average humidity of 85%.

December Temperature in Barus

In December in Barus, the average temperature is 25°C (77°F). The maximum can reach 29°C (85°F) and the minimum can be as low as 22°C (71°F). This pleasant weather makes Barus an ideal destination for travelers looking to enjoy mild and comfortable conditions.

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

The chart illustrates December temperature patterns in Barus, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Barus, December typically has an average temperature of 25°C (77°F), with highs reaching up to 29°C (85°F) and lows dropping to around 22°C (71°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777777878777776767677
Data source: Temperature data for Barus generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Barus

In Barus in December, the total precipitation amount is 453 mm (17.8 in) measured over the course of 28 days.

December Precipitation Trends in Barus

The chart displays monthly precipitation patterns in Barus, 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 Barus, December typically receives around 453 mm (17.8 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec279299495397335158251244365379613453
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Barus

In Barus in December, humidity is 85%. With an average temperature of 25°C (77°F), this humidity feels like a warm, heavy blanket wrapping around you, making every outdoor excursion feel both stifling and sticky, requiring frequent breaks in the shade to stay comfortable while exploring.

December Average Humidity in Barus

This chart illustrates the average monthly humidity levels in Barus, 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 Barus is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%75%79%80%83%84%83%86%87%89%87%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Barus

In Barus in December, the maximum UV index reaches 13, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take protective measures. For detailed information, you can check the Hourly UV Index in Barus.

Maximum UV Index Levels in Barus for December

The chart shows the monthly maximum UV Index (UVI) for Barus 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 Barus typically reaches 13, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141516161513131415151413
Data source: Barus 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.

How December Weather in Barus Compares to Other Months

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

This table compares monthly weather conditions in Barus, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)279 mm (11.0 inches)81%extreme
February Weather25°C (78°F)299 mm (11.8 inches)75%extreme
March Weather25°C (78°F)495 mm (19.5 inches)78%extreme
April Weather25°C (78°F)397 mm (15.6 inches)80%extreme
May Weather26°C (78°F)335 mm (13.2 inches)83%extreme
June Weather25°C (78°F)158 mm (6.2 inches)84%extreme
July Weather25°C (77°F)251 mm (9.9 inches)83%extreme
August Weather25°C (77°F)244 mm (9.6 inches)86%extreme
September Weather25°C (77°F)365 mm (14.4 inches)87%extreme
October Weather25°C (77°F)379 mm (14.9 inches)88%extreme
November Weather25°C (76°F)613 mm (24.1 inches)87%extreme
December Weather25°C (77°F)453 mm (17.8 inches)85%extreme

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