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December Weather in Sansha, China

Last updated: August 22, 2025

In Sansha, China, the average temperature in December is a pleasant 13°C (55°F), with a minimum dipping to 4°C (40°F) and a maximum reaching 23°C (73°F). During this time, expect about 53 mm (2.1 in) of precipitation spread over 11 days, contributing to an average humidity of 81%. Prepare for a mix of mild weather and occasional showers!

December Temperature in Sansha

In December in Sansha, the average temperature is 13°C (55°F). Maximums can reach 23°C (73°F), and minimums can be as low as 4°C (40°F). Travelers should be prepared for a range of temperatures, making it advisable to pack layers for comfort during their visit.

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

The chart illustrates December temperature patterns in Sansha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sansha, December typically has an average temperature of 13°C (55°F), with highs reaching up to 23°C (73°F) and lows dropping to around 4°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec515157647277828279716355
Data source: Temperature data for Sansha 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 Sansha

In Sansha in December, the precipitation amount is 53 mm (2.1 in) over the course of 11 days.

December Precipitation Trends in Sansha

The chart displays monthly precipitation patterns in Sansha, 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 Sansha, December typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec51801331041443141472651121058353
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sansha

In Sansha in December, humidity is 81%. With an average temperature of 13°C (55°F), this humidity feels like a damp blanket wrapping around you, making strolls outdoors feel heavy and slightly oppressive, which may be less than ideal for travelers looking to explore comfortably.

December Average Humidity in Sansha

This chart illustrates the average monthly humidity levels in Sansha, 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 Sansha is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%73%80%85%86%86%88%86%78%79%80%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sansha

In Sansha in December, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Sansha, you can refer to this Hourly UV Index in Sansha.

Maximum UV Index Levels in Sansha for December

The chart shows the monthly maximum UV Index (UVI) for Sansha 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 Sansha typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111212121311976
Data source: Sansha 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 Sansha Compares to Other Months

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

This table compares monthly weather conditions in Sansha, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)51 mm (2.0 inches)73%high
February Weather11°C (51°F)80 mm (3.1 inches)73%very high
March Weather14°C (57°F)133 mm (5.2 inches)80%very high
April Weather18°C (64°F)104 mm (4.1 inches)85%extreme
May Weather22°C (72°F)144 mm (5.7 inches)86%extreme
June Weather25°C (78°F)314 mm (12.4 inches)86%extreme
July Weather28°C (83°F)147 mm (5.8 inches)88%extreme
August Weather28°C (83°F)265 mm (10.4 inches)86%extreme
September Weather26°C (80°F)112 mm (4.4 inches)78%extreme
October Weather22°C (71°F)105 mm (4.1 inches)79%very high
November Weather17°C (64°F)83 mm (3.3 inches)80%high
December Weather13°C (55°F)53 mm (2.1 inches)81%high

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