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December Weather in Sanyuanchang, China

Last updated: August 22, 2025

In December, the average temperature in Sanyuanchang, China hovers around 6°C (43°F), with minimums dipping to -1°C (30°F) and maximums reaching 18°C (64°F). Expect some wet weather, as precipitation totals about 53 mm (2.1 in) over 15 days. You'll also notice that the average humidity is quite high at 81%, making for a chilly and damp atmosphere.

December Temperature in Sanyuanchang

In December in Sanyuanchang, the average temperature is 6°C (43°F). Maximums can reach 18°C (64°F), and minimums can be as low as -1°C (30°F). It's a season of mild temperatures, so pack accordingly for both warm days and chilly evenings during your travels.

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

The chart illustrates December temperature patterns in Sanyuanchang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sanyuanchang, December typically has an average temperature of 6°C (43°F), with highs reaching up to 18°C (64°F) and lows dropping to around -1°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec424554616672777870605143
Data source: Temperature data for Sanyuanchang 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 Sanyuanchang

In Sanyuanchang in December, the precipitation amount is 53 mm (2.1 in) spread over 15 days.

December Precipitation Trends in Sanyuanchang

The chart displays monthly precipitation patterns in Sanyuanchang, 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 Sanyuanchang, December typically receives around 53 mm (2.1 inches) of precipitation spread over approximately 15 days.
JanFebMarAprMayJunJulAugSepOctNovDec6870901201411901431281651447653
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sanyuanchang

In Sanyuanchang in December, humidity is 81%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill enveloping you, making every step outside seem heavier and less inviting for traveling.

December Average Humidity in Sanyuanchang

This chart illustrates the average monthly humidity levels in Sanyuanchang, 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 Sanyuanchang is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%80%77%82%85%85%87%84%81%86%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sanyuanchang

In Sanyuanchang in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Sanyuanchang.

Maximum UV Index Levels in Sanyuanchang for December

The chart shows the monthly maximum UV Index (UVI) for Sanyuanchang 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 Sanyuanchang typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6891212131313111075
Data source: Sanyuanchang 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 Sanyuanchang Compares to Other Months

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

This table compares monthly weather conditions in Sanyuanchang, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)68 mm (2.7 inches)72%high
February Weather7°C (45°F)70 mm (2.7 inches)76%very high
March Weather12°C (55°F)90 mm (3.5 inches)80%very high
April Weather16°C (61°F)120 mm (4.7 inches)77%extreme
May Weather19°C (66°F)141 mm (5.6 inches)82%extreme
June Weather22°C (72°F)190 mm (7.5 inches)85%extreme
July Weather25°C (77°F)142 mm (5.6 inches)85%extreme
August Weather25°C (78°F)128 mm (5.1 inches)87%extreme
September Weather21°C (70°F)165 mm (6.5 inches)84%extreme
October Weather15°C (60°F)144 mm (5.7 inches)81%very high
November Weather11°C (52°F)76 mm (3.0 inches)86%high
December Weather6°C (43°F)53 mm (2.1 inches)81%moderate

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