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December Weather in Lanlongkou, China

Last updated: August 22, 2025

In Lanlongkou, China, the average temperature in December hovers around -9°C (17°F). Expect chilly days as temperatures can dip to a frigid -27°C (-16°F), while occasionally reaching highs of 7°C (44°F). With an average precipitation of 6 mm (0.2 in) over 2 days and a relative humidity of 71%, be prepared for both cold and damp conditions.

December Temperature in Lanlongkou

In December in Lanlongkou, the average temperature is -9°C (17°F). The maximum can reach 7°C (44°F), while the minimum can plummet to -27°C (-16°F). Travelers should be prepared for extreme cold and should dress warmly to fully enjoy the winter activities this destination has to offer.

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

The chart illustrates December temperature patterns in Lanlongkou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Lanlongkou, December typically has an average temperature of -9°C (17°F), with highs reaching up to 7°C (44°F) and lows dropping to around -27°C (-16°F).
JanFebMarAprMayJunJulAugSepOctNovDec162132414855595751392717
Data source: Temperature data for Lanlongkou 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 Lanlongkou

In Lanlongkou in December, the precipitation amount is 6 mm (0.2 in) over the course of 2 days.

December Precipitation Trends in Lanlongkou

The chart displays monthly precipitation patterns in Lanlongkou, 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 Lanlongkou, December typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec99225477989413111661136
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Lanlongkou

In Lanlongkou in December humidity is 71%. With an average temperature of -9°C (17°F), this humidity feels like a biting chill that seeps through layers of clothing, making travel uncomfortable and requiring extra precautions to stay warm and dry.

December Average Humidity in Lanlongkou

This chart illustrates the average monthly humidity levels in Lanlongkou, 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 Lanlongkou is approximately 71%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%80%81%78%71%77%77%82%82%85%80%71%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Lanlongkou

In Lanlongkou 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 Lanlongkou, you can check the information here.

Maximum UV Index Levels in Lanlongkou for December

The chart shows the monthly maximum UV Index (UVI) for Lanlongkou 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 Lanlongkou typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec358111313131210853
Data source: Lanlongkou 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 Lanlongkou Compares to Other Months

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

This table compares monthly weather conditions in Lanlongkou, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (16°F)9 mm (0.3 inches)74%moderate
February Weather-6°C (21°F)9 mm (0.4 inches)80%moderate
March Weather0°C (33°F)22 mm (0.9 inches)81%very high
April Weather5°C (41°F)54 mm (2.1 inches)78%extreme
May Weather9°C (49°F)77 mm (3.0 inches)71%extreme
June Weather13°C (55°F)98 mm (3.9 inches)77%extreme
July Weather15°C (59°F)94 mm (3.7 inches)77%extreme
August Weather14°C (58°F)131 mm (5.1 inches)82%extreme
September Weather10°C (51°F)116 mm (4.6 inches)82%very high
October Weather4°C (39°F)61 mm (2.4 inches)85%very high
November Weather-3°C (27°F)13 mm (0.5 inches)79%moderate
December Weather-9°C (17°F)6 mm (0.2 inches)71%moderate

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