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December Weather in Ullong, Indonesia

Last updated: August 23, 2025

In Ullong, Indonesia, the average temperature in December hovers around 22°C (71°F), creating a pleasant climate. Expect temperatures to dip to a minimum of 18°C (65°F) and reach a maximum of 27°C (81°F). During this month, you can anticipate substantial rainfall, with a total precipitation amount of 1089 mm (42.9 in) spread over 31 days. Coupled with an average humidity of 80%, it's a time to prepare for a lush and vibrant environment!

December Temperature in Ullong

In December in Ullong, the average temperature is 22°C (71°F), with a maximum that can reach 27°C (81°F) and a minimum that can dip to 18°C (65°F). This mild climate makes it an ideal destination for travelers seeking pleasant weather.

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

The chart illustrates December temperature patterns in Ullong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ullong, December typically has an average temperature of 22°C (71°F), with highs reaching up to 27°C (81°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec717170717170707070717171
Data source: Temperature data for Ullong 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 Ullong

In Ullong in December, the precipitation amount is 1089 mm (42.9 in) over the course of 31 days.

December Precipitation Trends in Ullong

The chart displays monthly precipitation patterns in Ullong, 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 Ullong, December typically receives around 1089 mm (42.9 inches) of precipitation spread over approximately 31 days.
JanFebMarAprMayJunJulAugSepOctNovDec739946126111096893594003764315708381089
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Ullong

In Ullong in December, humidity is 80%. With an average temperature of 22°C (71°F), this humidity feels like a warm, enveloping blanket, making travel slightly uncomfortable as skin becomes clammy and sweat clings to clothes.

December Average Humidity in Ullong

This chart illustrates the average monthly humidity levels in Ullong, 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 Ullong is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%83%80%83%80%82%83%85%83%83%82%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ullong

In Ullong in December, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in Ullong.

Maximum UV Index Levels in Ullong for December

The chart shows the monthly maximum UV Index (UVI) for Ullong 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 Ullong typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec161818181513131516161515
Data source: Ullong 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 Ullong Compares to Other Months

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

This table compares monthly weather conditions in Ullong, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather22°C (71°F)739 mm (29.1 inches)81%extreme
February Weather21°C (71°F)946 mm (37.2 inches)83%extreme
March Weather21°C (71°F)1261 mm (49.7 inches)80%extreme
April Weather22°C (71°F)1109 mm (43.7 inches)83%extreme
May Weather22°C (71°F)689 mm (27.1 inches)80%extreme
June Weather21°C (70°F)359 mm (14.1 inches)82%extreme
July Weather21°C (70°F)400 mm (15.8 inches)83%extreme
August Weather21°C (70°F)376 mm (14.8 inches)85%extreme
September Weather21°C (70°F)431 mm (17.0 inches)83%extreme
October Weather21°C (71°F)570 mm (22.5 inches)82%extreme
November Weather22°C (71°F)838 mm (33.0 inches)82%extreme
December Weather22°C (71°F)1089 mm (42.9 inches)80%extreme

Compare Ullong's Climate with Cities Worldwide