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December Weather in Sansha, China

Last updated: August 22, 2025

In Sansha, China, the average temperature in December hovers around 25°C (77°F), with a minimum of 21°C (70°F) and a maximum of 27°C (80°F). Be prepared for some moisture, as precipitation averages 69 mm (2.7 in) over 17 days. With an average humidity of 82%, it's a warm and somewhat humid time of year!

December Temperature in Sansha

In December in Sansha, the average temperature is 25°C (77°F). Maximum can reach 27°C (80°F) and minimum can be as low as 21°C (70°F). This pleasant climate makes Sansha a perfect destination for travelers seeking comfortable weather and outdoor activities.

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 25°C (77°F), with highs reaching up to 27°C (80°F) and lows dropping to around 21°C (70°F).
JanFebMarAprMayJunJulAugSepOctNovDec757578818385848483817976
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 69 mm (2.7 in) spread over 17 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 69 mm (2.7 inches) of precipitation spread over approximately 17 days.
JanFebMarAprMayJunJulAugSepOctNovDec362218327712120918216628418569
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 82%. With an average temperature of 25°C (77°F), this humidity feels like a warm, oppressive blanket enveloping you as you explore, making every step feel more laborious and prompting the need for frequent hydration breaks.

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 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%80%82%85%84%82%86%85%82%84%85%82%
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 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the 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 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121314141314141412109
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 Weather24°C (76°F)36 mm (1.4 inches)79%very high
February Weather24°C (76°F)22 mm (0.9 inches)80%extreme
March Weather26°C (78°F)18 mm (0.7 inches)82%extreme
April Weather27°C (81°F)32 mm (1.2 inches)85%extreme
May Weather29°C (84°F)77 mm (3.0 inches)84%extreme
June Weather29°C (85°F)121 mm (4.8 inches)82%extreme
July Weather29°C (84°F)209 mm (8.2 inches)86%extreme
August Weather29°C (84°F)182 mm (7.1 inches)85%extreme
September Weather28°C (83°F)166 mm (6.5 inches)82%extreme
October Weather27°C (81°F)284 mm (11.2 inches)84%extreme
November Weather26°C (79°F)185 mm (7.3 inches)85%very high
December Weather25°C (77°F)69 mm (2.7 inches)82%very high

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