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December Weather in Dayou, China

Last updated: August 22, 2025

In December, the average temperature in Dayou, China hovers around -17°C (2°F). Expect temperatures to dip as low as -31°C (-23°F) and occasionally rise to a maximum of 7°C (45°F). Precipitation is light, with an average of 9 mm (0.4 in) spread over 2 days. The climate is characterized by an average humidity of 60%, adding a chill to the air.

December Temperature in Dayou

In December in Dayou, the average temperature is -17°C (2°F), with maximums reaching 7°C (45°F) and minimums dropping as low as -31°C (-23°F). Travelers should be prepared for extreme cold conditions and dress warmly to enjoy their time in Dayou.

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

The chart illustrates December temperature patterns in Dayou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dayou, December typically has an average temperature of -17°C (2°F), with highs reaching up to 7°C (45°F) and lows dropping to around -31°C (-23°F).
JanFebMarAprMayJunJulAugSepOctNovDec-262645596775695943221
Data source: Temperature data for Dayou 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 Dayou

In Dayou in December, the precipitation amount is 9 mm (0.4 in) over the course of 2 days.

December Precipitation Trends in Dayou

The chart displays monthly precipitation patterns in Dayou, 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 Dayou, December typically receives around 9 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec5715336211616218110721219
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Dayou

In Dayou in December humidity is 60%. With an average temperature of -17°C (2°F), this humidity feels like biting cold that sinks deep into your bones, making travel uncomfortable and challenging as you navigate through the frigid air.

December Average Humidity in Dayou

This chart illustrates the average monthly humidity levels in Dayou, 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 Dayou is approximately 60%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%70%63%59%61%79%85%87%85%81%61%60%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Dayou

In Dayou in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Dayou.

Maximum UV Index Levels in Dayou for December

The chart shows the monthly maximum UV Index (UVI) for Dayou 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 Dayou typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234679986421
Data source: Dayou 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 Dayou Compares to Other Months

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

This table compares monthly weather conditions in Dayou, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-19°C (-2°F)5 mm (0.2 inches)75%low
February Weather-15°C (6°F)7 mm (0.3 inches)70%moderate
March Weather-3°C (27°F)15 mm (0.6 inches)63%moderate
April Weather7°C (45°F)33 mm (1.3 inches)59%high
May Weather15°C (59°F)62 mm (2.4 inches)61%high
June Weather20°C (68°F)116 mm (4.6 inches)79%very high
July Weather24°C (75°F)162 mm (6.4 inches)84%very high
August Weather21°C (69°F)181 mm (7.1 inches)87%very high
September Weather15°C (59°F)107 mm (4.2 inches)85%high
October Weather6°C (43°F)21 mm (0.8 inches)80%moderate
November Weather-5°C (22°F)21 mm (0.8 inches)61%low
December Weather-17°C (2°F)9 mm (0.4 inches)60%low

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