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December Weather in Chengji, China

Last updated: August 22, 2025

In December, the average temperature in Chengji, China hovers around 7°C (45°F), with a minimum dip to -4°C (25°F) and potential highs reaching 19°C (67°F). Expect 27 mm (1.1 in) of precipitation spread over approximately 6 days, contributing to an average humidity level of 78%. Stay prepared for a mix of cool breezes and occasional rain!

December Temperature in Chengji

In December in Chengji, the average temperature is 7°C (45°F), with maximums reaching 19°C (67°F) and minimums dropping as low as -4°C (25°F). It's a time to pack layers, as the weather can vary significantly throughout the day.

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

The chart illustrates December temperature patterns in Chengji, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chengji, December typically has an average temperature of 7°C (45°F), with highs reaching up to 19°C (67°F) and lows dropping to around -4°C (25°F).
JanFebMarAprMayJunJulAugSepOctNovDec414556647279848477655645
Data source: Temperature data for Chengji 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 Chengji

In Chengji in December, the precipitation amount is 27 mm (1.1 in) over a period of 6 days.

December Precipitation Trends in Chengji

The chart displays monthly precipitation patterns in Chengji, 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 Chengji, December typically receives around 27 mm (1.1 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec5259118137193211217139103594628
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chengji

In Chengji in December, humidity is 78%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less enjoyable and necessitating cozy, layered clothing for comfort while traveling.

December Average Humidity in Chengji

This chart illustrates the average monthly humidity levels in Chengji, 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 Chengji is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%71%83%86%85%86%89%85%66%68%77%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chengji

In Chengji 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 Chengji for better planning.

Maximum UV Index Levels in Chengji for December

The chart shows the monthly maximum UV Index (UVI) for Chengji 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 Chengji typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec568101111121210864
Data source: Chengji 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 Chengji Compares to Other Months

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

This table compares monthly weather conditions in Chengji, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (41°F)52 mm (2.1 inches)69%moderate
February Weather7°C (46°F)59 mm (2.3 inches)71%high
March Weather13°C (56°F)118 mm (4.6 inches)83%very high
April Weather18°C (64°F)137 mm (5.4 inches)86%very high
May Weather22°C (73°F)193 mm (7.6 inches)85%extreme
June Weather26°C (79°F)211 mm (8.3 inches)85%extreme
July Weather29°C (84°F)217 mm (8.5 inches)89%extreme
August Weather29°C (85°F)139 mm (5.5 inches)85%extreme
September Weather25°C (77°F)103 mm (4.1 inches)66%very high
October Weather18°C (65°F)59 mm (2.3 inches)68%very high
November Weather13°C (57°F)46 mm (1.8 inches)77%high
December Weather7°C (45°F)27 mm (1.1 inches)78%moderate

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