December Weather in Yanshan, China

Last updated: August 22, 2025

In Yanshan, China, the average temperature in December is a mild 12°C (53°F). You might experience a range, with minimums dipping to 1°C (34°F) and maximums reaching up to 27°C (81°F). Be prepared for some rain, as the region typically sees 62 mm (2.4 in) of precipitation spread over 12 days. With an average humidity of 69%, it's a comfortable time to explore this lovely locale!

December Temperature in Yanshan

In December in Yanshan, the average temperature is 12°C (53°F). Maximums can reach 27°C (81°F), and minimums can be as low as 1°C (34°F). This variation in temperatures makes Yanshan a destination suitable for a range of outdoor activities, so pack accordingly!

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

The chart illustrates December temperature patterns in Yanshan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yanshan, December typically has an average temperature of 12°C (53°F), with highs reaching up to 27°C (81°F) and lows dropping to around 1°C (34°F).
JanFebMarAprMayJunJulAugSepOctNovDec515462687580838381716353
Data source: Temperature data for Yanshan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Yanshan

In Yanshan in December, the precipitation amount is 62 mm (2.4 in) spread over 12 days.

December Precipitation Trends in Yanshan

The chart displays monthly precipitation patterns in Yanshan, 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 Yanshan, December typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 12 days.
JanFebMarAprMayJunJulAugSepOctNovDec921293052432713352161701048911062
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Yanshan

In Yanshan in December, humidity is 69%. With an average temperature of 12°C (53°F), this humidity feels like a cool, damp embrace that can quickly lead to a chill, making it essential for travelers to pack layers and a waterproof jacket to stay comfortable while exploring.

December Average Humidity in Yanshan

This chart illustrates the average monthly humidity levels in Yanshan, 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 Yanshan is approximately 69%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec62%66%73%70%84%83%89%87%63%59%66%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Yanshan

In Yanshan 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 Yanshan, you can refer to this Hourly UV Index in Yanshan.

Maximum UV Index Levels in Yanshan for December

The chart shows the monthly maximum UV Index (UVI) for Yanshan 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 Yanshan typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111213121313111086
Data source: Yanshan 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 Yanshan Compares to Other Months

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

This table compares monthly weather conditions in Yanshan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (51°F)92 mm (3.6 inches)62%high
February Weather12°C (54°F)129 mm (5.1 inches)66%very high
March Weather17°C (62°F)305 mm (12.0 inches)73%extreme
April Weather20°C (68°F)243 mm (9.6 inches)70%extreme
May Weather24°C (76°F)271 mm (10.7 inches)84%extreme
June Weather27°C (81°F)335 mm (13.2 inches)83%extreme
July Weather29°C (84°F)216 mm (8.5 inches)89%extreme
August Weather29°C (84°F)170 mm (6.7 inches)87%extreme
September Weather27°C (82°F)103 mm (4.1 inches)63%extreme
October Weather22°C (71°F)89 mm (3.5 inches)59%very high
November Weather17°C (63°F)110 mm (4.3 inches)66%very high
December Weather12°C (53°F)62 mm (2.4 inches)69%high

Compare Yanshan's Climate with Cities Worldwide