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December Weather in Longnan, China

Last updated: August 22, 2025

In Longnan, China, the average temperature in December hovers around -3°C (27°F), with extremes reaching as low as -26°C (-15°F) and a high of 9°C (48°F). Expect about 20 mm (0.8 in) of precipitation spread across 6 days, and with an average humidity of 87%, the air can feel quite chilly. Embrace the brisk weather while exploring this winter wonderland!

December Temperature in Longnan

In December in Longnan, the average temperature is -3°C (27°F), with maximums reaching 9°C (48°F) and minimums plummeting to as low as -26°C (-15°F). Be prepared for a winter wonderland experience, but make sure to bundle up to stay warm!

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 -3°C (27°F), with highs reaching up to 9°C (48°F) and lows dropping to around -26°C (-15°F).
JanFebMarAprMayJunJulAugSepOctNovDec242942505763676659483827
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 precipitation amount is 20 mm (0.8 in) over the course of 6 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 20 mm (0.8 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec192846771031321661731421143420
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 87%. With an average temperature of -3°C (27°F), this humidity feels like an icy blanket that wraps around you, making outdoor activities challenging as the cold air mingles with the dampness, leaving travelers feeling chilled to the bone even in short bursts outside.

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 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%86%85%84%87%88%91%91%91%90%87%
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 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 Longnan for better planning.

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 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589131313131212964
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 Weather-4°C (24°F)19 mm (0.7 inches)87%moderate
February Weather-2°C (29°F)28 mm (1.1 inches)90%very high
March Weather6°C (42°F)46 mm (1.8 inches)86%very high
April Weather10°C (50°F)77 mm (3.0 inches)84%extreme
May Weather14°C (57°F)103 mm (4.1 inches)84%extreme
June Weather17°C (63°F)132 mm (5.2 inches)87%extreme
July Weather20°C (68°F)166 mm (6.5 inches)88%extreme
August Weather19°C (67°F)173 mm (6.8 inches)91%extreme
September Weather15°C (59°F)142 mm (5.6 inches)91%extreme
October Weather9°C (49°F)113 mm (4.5 inches)91%very high
November Weather3°C (38°F)34 mm (1.3 inches)90%high
December Weather-3°C (27°F)20 mm (0.8 inches)87%moderate

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