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December Weather in Reyu, China

Last updated: August 22, 2025

In December, the average temperature in Reyu, China is a chilly -20°C (-3°F). Expect a stark range, with minimums plunging to -39°C (-37°F) and maximums reaching -3°C (26°F). During this month, precipitation averages around 25 mm (1.0 in) spread over 7 days, contributing to a high average humidity level of 81%. Bundle up!

December Temperature in Reyu

In December in Reyu, the average temperature is -20°C (-3°F). Maximums can reach -3°C (26°F), while minimums can plummet to as low as -39°C (-37°F). Travelers should be prepared for extreme winter conditions and dress appropriately for the cold.

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

The chart illustrates December temperature patterns in Reyu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Reyu, December typically has an average temperature of -20°C (-3°F), with highs reaching up to -3°C (26°F) and lows dropping to around -39°C (-37°F).
JanFebMarAprMayJunJulAugSepOctNovDec-4211203243494945316-3
Data source: Temperature data for Reyu 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 Reyu

In Reyu in December, the precipitation amount is 25 mm (1.0 in) over the course of 7 days.

December Precipitation Trends in Reyu

The chart displays monthly precipitation patterns in Reyu, 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 Reyu, December typically receives around 25 mm (1.0 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec1524363897136219171138943725
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Reyu

In Reyu in December, humidity is 81%. With an average temperature of -20°C (-3°F), this humidity feels like an icy blanket wrapping around you, making travel challenging as the cold penetrates deeper, and each breath bites at your lungs, reminding you of the stark contrast between the crisp air and the dampness surrounding you.

December Average Humidity in Reyu

This chart illustrates the average monthly humidity levels in Reyu, 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 Reyu is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%90%87%85%89%91%90%89%90%85%79%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Reyu

In Reyu in December, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Reyu.

Maximum UV Index Levels in Reyu for December

The chart shows the monthly maximum UV Index (UVI) for Reyu 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 Reyu typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec8101516201716151712118
Data source: Reyu 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 Reyu Compares to Other Months

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

This table compares monthly weather conditions in Reyu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-20°C (-4°F)15 mm (0.6 inches)83%very high
February Weather-16°C (3°F)24 mm (0.9 inches)90%very high
March Weather-12°C (11°F)36 mm (1.4 inches)87%extreme
April Weather-7°C (21°F)38 mm (1.5 inches)85%extreme
May Weather0°C (32°F)97 mm (3.8 inches)89%extreme
June Weather6°C (44°F)136 mm (5.4 inches)91%extreme
July Weather9°C (49°F)219 mm (8.6 inches)90%extreme
August Weather10°C (49°F)171 mm (6.7 inches)89%extreme
September Weather7°C (45°F)138 mm (5.4 inches)90%extreme
October Weather0°C (32°F)94 mm (3.7 inches)85%extreme
November Weather-14°C (6°F)37 mm (1.4 inches)79%extreme
December Weather-20°C (-3°F)25 mm (1.0 inches)81%very high

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