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December Weather in Serang, Indonesia

Last updated: August 23, 2025

In December, the average temperature in Serang, Indonesia hovers around 28°C (82°F), with a minimum of 24°C (76°F) and peaking at 33°C (92°F). Expect significant precipitation, with 242 mm (9.5 in) spread over 26 days. The average humidity during this time is a comfortable 79%, offering a tropical feel to the season.

December Temperature in Serang

In December in Serang, the average temperature is 28°C (82°F). Maximums can reach 33°C (92°F) and minimums can be as low as 24°C (76°F). This is an ideal time for travelers seeking warm weather and pleasant conditions.

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

The chart illustrates December temperature patterns in Serang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Serang, December typically has an average temperature of 28°C (82°F), with highs reaching up to 33°C (92°F) and lows dropping to around 24°C (76°F).
JanFebMarAprMayJunJulAugSepOctNovDec828182838382828282838282
Data source: Temperature data for Serang 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 Serang

In Serang in December, the precipitation amount is 242 mm (9.5 in) over the course of 26 days.

December Precipitation Trends in Serang

The chart displays monthly precipitation patterns in Serang, 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 Serang, December typically receives around 242 mm (9.5 inches) of precipitation spread over approximately 26 days.
JanFebMarAprMayJunJulAugSepOctNovDec222274247216144103605682117182242
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Serang

In Serang in December humidity is 79%. With an average temperature of 28°C (82°F), this humidity feels like a warm blanket wrapping around you, making outdoor exploration more strenuous and requiring frequent breaks for hydration.

December Average Humidity in Serang

This chart illustrates the average monthly humidity levels in Serang, 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 Serang is approximately 79%, 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 Serang

In Serang in December, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in Serang, you can check here.

Maximum UV Index Levels in Serang for December

The chart shows the monthly maximum UV Index (UVI) for Serang 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 Serang typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141616151211101013151514
Data source: Serang 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 Serang Compares to Other Months

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

This table compares monthly weather conditions in Serang, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather28°C (82°F)222 mm (8.7 inches)84%extreme
February Weather27°C (82°F)274 mm (10.8 inches)86%extreme
March Weather28°C (82°F)247 mm (9.7 inches)84%extreme
April Weather28°C (83°F)216 mm (8.5 inches)81%extreme
May Weather28°C (84°F)144 mm (5.7 inches)80%extreme
June Weather28°C (83°F)103 mm (4.1 inches)80%extreme
July Weather28°C (82°F)60 mm (2.4 inches)79%very high
August Weather28°C (82°F)56 mm (2.2 inches)77%very high
September Weather28°C (82°F)82 mm (3.2 inches)77%extreme
October Weather28°C (83°F)117 mm (4.6 inches)78%extreme
November Weather28°C (83°F)182 mm (7.2 inches)80%extreme
December Weather28°C (82°F)242 mm (9.5 inches)79%extreme

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