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December Weather in Caotan, China

Last updated: August 22, 2025

In December, the average temperature in Caotan, China hovers around 3°C (37°F). Expect chilly days with a minimum of -8°C (18°F) and a mild maximum reaching 15°C (60°F). Rainfall is light, with precipitation totaling 4 mm (0.2 in) spread over just 1 day. The air is quite humid, averaging 80%, so be prepared for a damp chill!

December Temperature in Caotan

In December in Caotan, the average temperature is 3°C (37°F). Maximum temperatures can reach 15°C (60°F), while minimums can drop as low as -8°C (18°F). Make sure to dress in layers and prepare for a range of weather conditions when traveling during this time.

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

The chart illustrates December temperature patterns in Caotan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Caotan, December typically has an average temperature of 3°C (37°F), with highs reaching up to 15°C (60°F) and lows dropping to around -8°C (18°F).
JanFebMarAprMayJunJulAugSepOctNovDec354155647380848272594937
Data source: Temperature data for Caotan 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 Caotan

In Caotan in December, the precipitation amount is 4 mm (0.2 in) during 1 day.

December Precipitation Trends in Caotan

The chart displays monthly precipitation patterns in Caotan, 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 Caotan, December typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec91221334184828513072164
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Caotan

In Caotan in December, humidity is 80%. With an average temperature of 3°C (37°F), this humidity feels like a damp blanket wrapping around you, making outdoor adventures less enjoyable and prompting you to seek cozy indoor activities instead.

December Average Humidity in Caotan

This chart illustrates the average monthly humidity levels in Caotan, 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 Caotan is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%80%83%81%68%74%76%72%78%85%82%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Caotan

In Caotan 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 Caotan, you can check the information here.

Maximum UV Index Levels in Caotan for December

The chart shows the monthly maximum UV Index (UVI) for Caotan 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 Caotan typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101010109753
Data source: Caotan 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 Caotan Compares to Other Months

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

This table compares monthly weather conditions in Caotan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather2°C (35°F)9 mm (0.3 inches)70%moderate
February Weather5°C (42°F)12 mm (0.5 inches)80%moderate
March Weather13°C (55°F)21 mm (0.8 inches)83%high
April Weather18°C (64°F)33 mm (1.3 inches)81%very high
May Weather23°C (73°F)41 mm (1.6 inches)68%very high
June Weather27°C (80°F)84 mm (3.3 inches)74%very high
July Weather29°C (84°F)82 mm (3.2 inches)76%very high
August Weather28°C (82°F)85 mm (3.3 inches)72%very high
September Weather22°C (72°F)130 mm (5.1 inches)78%very high
October Weather15°C (59°F)72 mm (2.8 inches)85%high
November Weather9°C (49°F)16 mm (0.6 inches)82%moderate
December Weather3°C (37°F)4 mm (0.2 inches)80%moderate

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