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December Weather in Longchuan, China

Last updated: August 22, 2025

In Longchuan, China, the average temperature in December hovers around 10°C (51°F). You can expect a minimum of -2°C (30°F) and a pleasant maximum of 21°C (71°F). During this time, precipitation is light, totaling 14 mm (0.6 in) over about 3 days. Humidity levels are relatively high, averaging around 73%, creating a comfortable atmosphere.

December Temperature in Longchuan

In December, in Longchuan, the average temperature is 10°C (51°F). The maximum can reach 21°C (71°F), while the minimum can drop as low as -2°C (30°F). This range makes Longchuan an ideal destination for travelers seeking a mix of cool and mild weather during their visit.

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

The chart illustrates December temperature patterns in Longchuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longchuan, December typically has an average temperature of 10°C (51°F), with highs reaching up to 21°C (71°F) and lows dropping to around -2°C (30°F).
JanFebMarAprMayJunJulAugSepOctNovDec505361646972696967635651
Data source: Temperature data for Longchuan 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 Longchuan

In Longchuan in December, the precipitation amount is 14 mm (0.6 in) accumulated over the course of 3 days.

December Precipitation Trends in Longchuan

The chart displays monthly precipitation patterns in Longchuan, 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 Longchuan, December typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec2713164850153267244140782715
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Longchuan

In Longchuan in December, humidity is 73%. With an average temperature of 10°C (51°F), this humidity feels like a chilly dampness that can make outdoor activities uncomfortable, causing your clothes to cling to your skin and a persistent coolness that seeps into your bones, which might deter long excursions without proper layering.

December Average Humidity in Longchuan

This chart illustrates the average monthly humidity levels in Longchuan, 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 Longchuan is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec58%65%44%44%62%82%89%90%87%81%82%73%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Longchuan

In Longchuan in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Longchuan.

Maximum UV Index Levels in Longchuan for December

The chart shows the monthly maximum UV Index (UVI) for Longchuan 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 Longchuan typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec89121314151615131297
Data source: Longchuan 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 Longchuan Compares to Other Months

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

This table compares monthly weather conditions in Longchuan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)27 mm (1.1 inches)58%very high
February Weather12°C (54°F)13 mm (0.5 inches)65%very high
March Weather16°C (61°F)16 mm (0.6 inches)44%extreme
April Weather18°C (64°F)48 mm (1.9 inches)44%extreme
May Weather20°C (69°F)50 mm (2.0 inches)62%extreme
June Weather22°C (72°F)153 mm (6.0 inches)82%extreme
July Weather20°C (69°F)267 mm (10.5 inches)89%extreme
August Weather20°C (69°F)244 mm (9.6 inches)90%extreme
September Weather19°C (67°F)140 mm (5.5 inches)87%extreme
October Weather17°C (63°F)78 mm (3.1 inches)81%extreme
November Weather14°C (57°F)27 mm (1.1 inches)82%very high
December Weather10°C (51°F)14 mm (0.6 inches)73%high

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