December Weather in Longyuan, China

Last updated: August 23, 2025

In December, the average temperature in Longyuan, China hovers around -9°C (17°F), with chills that can drop as low as -27°C (-16°F) and peaks reaching up to 9°C (48°F). Expect 12 mm (0.5 in) of precipitation over about 3 days, paired with an average humidity level of 78%.

December Temperature in Longyuan

In December in Longyuan, the average temperature is -9°C (17°F). The maximum can reach 9°C (48°F) and the minimum can be as low as -27°C (-16°F). Travelers should be prepared for cold conditions and take necessary precautions to stay warm.

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

The chart illustrates December temperature patterns in Longyuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longyuan, December typically has an average temperature of -9°C (17°F), with highs reaching up to 9°C (48°F) and lows dropping to around -27°C (-16°F).
JanFebMarAprMayJunJulAugSepOctNovDec162132414955605852412816
Data source: Temperature data for Longyuan 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 Longyuan

In Longyuan in December, the precipitation amount is 12 mm (0.5 in) during a span of 3 days.

December Precipitation Trends in Longyuan

The chart displays monthly precipitation patterns in Longyuan, 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 Longyuan, December typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec14173271102111101137118942912
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Longyuan

In Longyuan in December humidity is 78%. With an average temperature of -9°C (17°F), this humidity feels like biting cold air that seeps into your bones, making every step outside feel like a challenge as you battle against the chill and dampness.

December Average Humidity in Longyuan

This chart illustrates the average monthly humidity levels in Longyuan, 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 Longyuan is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%85%85%83%78%80%82%86%87%88%86%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Longyuan

In Longyuan 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 Longyuan for better planning.

Maximum UV Index Levels in Longyuan for December

The chart shows the monthly maximum UV Index (UVI) for Longyuan 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 Longyuan typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec479131414141312964
Data source: Longyuan 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 Longyuan Compares to Other Months

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

This table compares monthly weather conditions in Longyuan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)14 mm (0.5 inches)81%moderate
February Weather-6°C (21°F)17 mm (0.7 inches)85%high
March Weather0°C (32°F)32 mm (1.3 inches)85%very high
April Weather5°C (41°F)71 mm (2.8 inches)83%extreme
May Weather9°C (49°F)102 mm (4.0 inches)78%extreme
June Weather13°C (55°F)111 mm (4.4 inches)80%extreme
July Weather15°C (60°F)101 mm (4.0 inches)82%extreme
August Weather15°C (58°F)136 mm (5.4 inches)86%extreme
September Weather11°C (52°F)118 mm (4.6 inches)87%extreme
October Weather5°C (42°F)94 mm (3.7 inches)88%very high
November Weather-2°C (28°F)29 mm (1.1 inches)86%high
December Weather-9°C (17°F)12 mm (0.5 inches)78%moderate

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