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December Weather in Sulu, China

Last updated: August 23, 2025

In December, the average temperature in Sulu, China hovers around -18°C (0°F). Expect extremes, with the minimum plummeting to -39°C (-38°F) and the maximum reaching a brisk 1°C (34°F). During this chilly month, expect about 13 mm (0.5 in) of precipitation spread over 3 days, accompanied by an average humidity of 69%. Prepare for a frosty experience!

December Temperature in Sulu

In December in Sulu, the average temperature is -18°C (0°F), with a maximum that can reach 1°C (34°F) and a minimum that can drop as low as -39°C (-38°F). Travelers should be prepared for extremely cold conditions and dress accordingly to ensure a safe and enjoyable experience.

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

The chart illustrates December temperature patterns in Sulu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sulu, December typically has an average temperature of -18°C (0°F), with highs reaching up to 1°C (34°F) and lows dropping to around -39°C (-38°F).
JanFebMarAprMayJunJulAugSepOctNovDec0512223242484842286-0
Data source: Temperature data for Sulu 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 Sulu

In Sulu in December, the precipitation amount is 13 mm (0.5 in) over a span of 3 days.

December Precipitation Trends in Sulu

The chart displays monthly precipitation patterns in Sulu, 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 Sulu, December typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec815202772126148156133581613
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sulu

In Sulu in December, humidity is 69%. With an average temperature of -18°C (0°F), this humidity feels like a biting chill that cuts through layers of clothing, making outdoor activities uncomfortable and requiring travelers to bundle up even more to combat the stinging cold and dampness.

December Average Humidity in Sulu

This chart illustrates the average monthly humidity levels in Sulu, 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 Sulu is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%78%72%70%81%86%87%87%88%76%69%69%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sulu

In Sulu in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Sulu.

Maximum UV Index Levels in Sulu for December

The chart shows the monthly maximum UV Index (UVI) for Sulu 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 Sulu typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec7101416201817151513107
Data source: Sulu 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 Sulu Compares to Other Months

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

This table compares monthly weather conditions in Sulu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-18°C (0°F)8 mm (0.3 inches)68%high
February Weather-15°C (6°F)15 mm (0.6 inches)78%very high
March Weather-11°C (12°F)20 mm (0.8 inches)72%extreme
April Weather-6°C (22°F)27 mm (1.0 inches)70%extreme
May Weather0°C (33°F)72 mm (2.8 inches)81%extreme
June Weather5°C (42°F)126 mm (5.0 inches)86%extreme
July Weather9°C (48°F)148 mm (5.8 inches)87%extreme
August Weather9°C (48°F)156 mm (6.1 inches)87%extreme
September Weather6°C (42°F)133 mm (5.2 inches)88%extreme
October Weather-2°C (28°F)58 mm (2.3 inches)76%extreme
November Weather-14°C (7°F)16 mm (0.6 inches)69%very high
December Weather-18°C (0°F)13 mm (0.5 inches)69%high

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