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December Weather in Longnan, China

Last updated: August 23, 2025

In December, the average temperature in Longnan, China hovers around 8°C (47°F). Expect a range from a chilly -2°C (28°F) on the cooler days to a pleasant 26°C (79°F) at the warmest. During this time, anticipate 49 mm (1.9 in) of precipitation spread over roughly 10 days, contributing to an average humidity of 80%. Keep this in mind when planning your activities!

December Temperature in Longnan

In December in Longnan, the average temperature is 8°C (47°F). The maximum can reach 26°C (79°F), and the minimum can be as low as -2°C (28°F). Be sure to pack layers for your trip, as temperatures can vary greatly throughout the day.

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

The chart illustrates December temperature patterns in Longnan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longnan, December typically has an average temperature of 8°C (47°F), with highs reaching up to 26°C (79°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec464755627075808075655646
Data source: Temperature data for Longnan 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 Longnan

In Longnan in December, the total precipitation amount is 49 mm (1.9 in) over the course of 10 days.

December Precipitation Trends in Longnan

The chart displays monthly precipitation patterns in Longnan, 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 Longnan, December typically receives around 49 mm (1.9 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec5589153131227325155159112576549
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Longnan

In Longnan in December, humidity is 80%. With an average temperature of 8°C (47°F), this humidity feels like you're walking through a heavy mist, making your clothes cling to your skin and every step prone to a shiver, which can be quite uncomfortable for traveling.

December Average Humidity in Longnan

This chart illustrates the average monthly humidity levels in Longnan, 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 Longnan is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%71%81%84%87%84%88%85%67%72%77%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Longnan

In Longnan in December, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Longnan, you can refer to this Hourly UV Index in Longnan.

Maximum UV Index Levels in Longnan for December

The chart shows the monthly maximum UV Index (UVI) for Longnan 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 Longnan typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6811121313131311976
Data source: Longnan 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 Longnan Compares to Other Months

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

This table compares monthly weather conditions in Longnan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)55 mm (2.2 inches)66%high
February Weather8°C (47°F)89 mm (3.5 inches)71%very high
March Weather13°C (56°F)153 mm (6.0 inches)81%extreme
April Weather17°C (62°F)131 mm (5.1 inches)84%extreme
May Weather21°C (70°F)227 mm (9.0 inches)87%extreme
June Weather24°C (75°F)325 mm (12.8 inches)84%extreme
July Weather27°C (80°F)155 mm (6.1 inches)88%extreme
August Weather27°C (80°F)159 mm (6.3 inches)85%extreme
September Weather24°C (75°F)112 mm (4.4 inches)67%extreme
October Weather18°C (65°F)57 mm (2.2 inches)72%very high
November Weather13°C (57°F)65 mm (2.5 inches)77%high
December Weather8°C (47°F)49 mm (1.9 inches)80%high

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