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December Weather in Yancheng, China

Last updated: August 22, 2025

The average temperature in Yancheng, China during December is a crisp 9°C (48°F). Visitors can expect a minimum of 0°C (32°F) and a maximum of 18°C (64°F). Over the course of the month, there’s an average precipitation of 29 mm (1.2 in) spread across 9 days, while the air maintains a high humidity level of 87%.

December Temperature in Yancheng

In December in Yancheng, the average temperature is 9°C (48°F). The maximum can reach 18°C (64°F) and the minimum can be as low as 0°C (32°F). It's advisable to pack layers and prepare for chilly evenings while enjoying the mild daytime warmth.

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

The chart illustrates December temperature patterns in Yancheng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yancheng, December typically has an average temperature of 9°C (48°F), with highs reaching up to 18°C (64°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec465059667277808173645647
Data source: Temperature data for Yancheng 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 Yancheng

In Yancheng in December, the precipitation amount is 29 mm (1.2 in) over a span of 9 days.

December Precipitation Trends in Yancheng

The chart displays monthly precipitation patterns in Yancheng, 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 Yancheng, December typically receives around 29 mm (1.2 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec2024438897109332329123692929
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Yancheng

In Yancheng in December humidity is 87%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration uncomfortable and requiring extra layers and careful planning for any activities.

December Average Humidity in Yancheng

This chart illustrates the average monthly humidity levels in Yancheng, 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 Yancheng is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%87%78%80%87%89%89%91%91%90%91%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Yancheng

In Yancheng 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 Yancheng for better planning.

Maximum UV Index Levels in Yancheng for December

The chart shows the monthly maximum UV Index (UVI) for Yancheng 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 Yancheng typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568111211111011864
Data source: Yancheng 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 Yancheng Compares to Other Months

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

This table compares monthly weather conditions in Yancheng, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)20 mm (0.8 inches)86%moderate
February Weather10°C (50°F)24 mm (0.9 inches)87%high
March Weather15°C (60°F)42 mm (1.7 inches)78%very high
April Weather19°C (66°F)88 mm (3.5 inches)80%extreme
May Weather22°C (73°F)97 mm (3.8 inches)87%extreme
June Weather25°C (77°F)109 mm (4.3 inches)89%extreme
July Weather27°C (80°F)331 mm (13.1 inches)89%extreme
August Weather27°C (81°F)329 mm (12.9 inches)91%very high
September Weather23°C (73°F)123 mm (4.9 inches)91%extreme
October Weather18°C (64°F)69 mm (2.7 inches)90%very high
November Weather13°C (56°F)29 mm (1.2 inches)91%high
December Weather9°C (48°F)29 mm (1.2 inches)87%moderate

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