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December Weather in Yanwan, China

Last updated: August 23, 2025

In Yanwan, China, the average temperature in December hovers around -2°C (29°F), but you can expect a minimum drop to -19°C (-2°F) and a maximum rise to 10°C (50°F). During this month, precipitation averages 24 mm (1.0 in) over approximately 7 days, with the air remaining quite humid at an average of 88%.

December Temperature in Yanwan

In December, in Yanwan, the average temperature is -2°C (29°F). The maximum can reach 10°C (50°F), while the minimum can drop as low as -19°C (-2°F). Be prepared for chilly conditions if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Yanwan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yanwan, December typically has an average temperature of -2°C (29°F), with highs reaching up to 10°C (50°F) and lows dropping to around -19°C (-2°F).
JanFebMarAprMayJunJulAugSepOctNovDec273243515864696859493929
Data source: Temperature data for Yanwan 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 Yanwan

In Yanwan in December, the total precipitation amount is 24 mm (1.0 in) over a period of 7 days.

December Precipitation Trends in Yanwan

The chart displays monthly precipitation patterns in Yanwan, 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 Yanwan, December typically receives around 24 mm (1.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec223458881201771742402181654424
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Yanwan

In Yanwan in December, humidity is 88%. With an average temperature of -2°C (29°F), this humidity feels like a biting chill in the air that penetrates layers of clothing, making outdoor activities challenging and potentially uncomfortable for travelers.

December Average Humidity in Yanwan

This chart illustrates the average monthly humidity levels in Yanwan, 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 Yanwan is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%87%90%85%81%86%87%88%89%90%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Yanwan

In Yanwan in December, the maximum UV index reaches 4, which corresponds to a moderate Exposure Category. With a time to burn of 30 minutes, it’s important to take precautions to protect your skin. You can find more details in the Hourly UV Index in Yanwan for better planning.

Maximum UV Index Levels in Yanwan for December

The chart shows the monthly maximum UV Index (UVI) for Yanwan 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 Yanwan typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101212121211864
Data source: Yanwan 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 Yanwan Compares to Other Months

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

This table compares monthly weather conditions in Yanwan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-3°C (27°F)22 mm (0.8 inches)85%moderate
February Weather0°C (32°F)34 mm (1.3 inches)87%high
March Weather6°C (44°F)58 mm (2.3 inches)90%very high
April Weather10°C (51°F)88 mm (3.5 inches)85%very high
May Weather15°C (58°F)120 mm (4.7 inches)81%extreme
June Weather18°C (65°F)177 mm (7.0 inches)86%extreme
July Weather20°C (69°F)174 mm (6.9 inches)87%extreme
August Weather20°C (68°F)240 mm (9.4 inches)88%extreme
September Weather15°C (60°F)218 mm (8.6 inches)89%extreme
October Weather9°C (49°F)165 mm (6.5 inches)90%very high
November Weather4°C (39°F)44 mm (1.7 inches)88%high
December Weather-2°C (29°F)24 mm (1.0 inches)88%moderate

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