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December Weather in Longcheng, China

Last updated: August 23, 2025

In Longcheng, China, the average temperature in December is a crisp 5°C (40°F), with minimums dipping as low as -7°C (20°F) and maximums reaching up to 19°C (66°F). Expect about 13 mm (0.5 in) of precipitation spread over 3 days, complemented by an average humidity of 79%. Stay prepared for a cool and wet month!

December Temperature in Longcheng

In December in Longcheng, the average temperature is 5°C (40°F). Maximums can reach 19°C (66°F), while minimums can be as low as -7°C (20°F). Travelers should be prepared for a wide temperature range and pack accordingly for fluctuating weather conditions.

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

The chart illustrates December temperature patterns in Longcheng, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longcheng, December typically has an average temperature of 5°C (40°F), with highs reaching up to 19°C (66°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec364253627381838274625340
Data source: Temperature data for Longcheng 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 Longcheng

In Longcheng in December, the precipitation amount is 13 mm (0.5 in) over a span of 3 days.

December Precipitation Trends in Longcheng

The chart displays monthly precipitation patterns in Longcheng, 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 Longcheng, December typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec242332405314519714680572813
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Longcheng

In Longcheng in December humidity is 79%. With an average temperature of 5°C (40°F), this humidity feels like an invigorating chill that cuts through your layers, making outdoor activities refreshing yet brisk, but tricky for prolonged exposure.

December Average Humidity in Longcheng

This chart illustrates the average monthly humidity levels in Longcheng, 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 Longcheng is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%75%82%81%78%79%86%84%73%77%83%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Longcheng

In Longcheng in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Longcheng, you can check the information here.

Maximum UV Index Levels in Longcheng for December

The chart shows the monthly maximum UV Index (UVI) for Longcheng 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 Longcheng typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4578101011109853
Data source: Longcheng 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 Longcheng Compares to Other Months

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

This table compares monthly weather conditions in Longcheng, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (36°F)24 mm (0.9 inches)68%moderate
February Weather6°C (43°F)23 mm (0.9 inches)75%moderate
March Weather12°C (53°F)32 mm (1.2 inches)81%high
April Weather17°C (63°F)40 mm (1.6 inches)81%very high
May Weather23°C (74°F)53 mm (2.1 inches)78%very high
June Weather27°C (81°F)145 mm (5.7 inches)79%very high
July Weather28°C (83°F)197 mm (7.7 inches)86%extreme
August Weather28°C (82°F)146 mm (5.7 inches)83%very high
September Weather24°C (75°F)80 mm (3.2 inches)73%very high
October Weather17°C (62°F)57 mm (2.2 inches)77%very high
November Weather11°C (53°F)28 mm (1.1 inches)83%moderate
December Weather5°C (40°F)13 mm (0.5 inches)79%moderate

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