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December Weather in Heyin, China

Last updated: August 22, 2025

In December, the average temperature in Heyin, China hovers around -7°C (19°F), with a minimum plummeting to -23°C (-9°F) and a maximum reaching 7°C (45°F). Expect a slight chance of precipitation, averaging 4 mm (0.2 in) over 1 day, while enjoying a relatively high humidity level of 76%.

December Temperature in Heyin

In December in Heyin, the average temperature is -7°C (19°F). The maximum can reach 7°C (45°F), while the minimum can drop as low as -23°C (-9°F). Travelers should prepare for frigid temperatures and pack warm clothing to fully enjoy their visit.

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

The chart illustrates December temperature patterns in Heyin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Heyin, December typically has an average temperature of -7°C (19°F), with highs reaching up to 7°C (45°F) and lows dropping to around -23°C (-9°F).
JanFebMarAprMayJunJulAugSepOctNovDec172333414955605851402819
Data source: Temperature data for Heyin 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 Heyin

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

December Precipitation Trends in Heyin

The chart displays monthly precipitation patterns in Heyin, 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 Heyin, December typically receives around 4 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec6715375984851088743104
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Heyin

In Heyin in December, humidity is 76%. With an average temperature of -7°C (19°F), this humidity feels like an icy blanket enveloping the air, making travel feel bracing yet invigorating, as every breath carries a chill that sharpens the senses.

December Average Humidity in Heyin

This chart illustrates the average monthly humidity levels in Heyin, 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 Heyin is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%83%79%73%79%84%86%89%88%86%80%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Heyin

In Heyin 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 Heyin for better planning.

Maximum UV Index Levels in Heyin for December

The chart shows the monthly maximum UV Index (UVI) for Heyin 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 Heyin typically reaches 4, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111414141211964
Data source: Heyin 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 Heyin Compares to Other Months

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

This table compares monthly weather conditions in Heyin, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)6 mm (0.2 inches)77%moderate
February Weather-5°C (23°F)7 mm (0.3 inches)83%high
March Weather1°C (34°F)15 mm (0.6 inches)79%very high
April Weather5°C (42°F)37 mm (1.5 inches)73%extreme
May Weather9°C (49°F)59 mm (2.3 inches)79%extreme
June Weather13°C (55°F)84 mm (3.3 inches)84%extreme
July Weather16°C (60°F)85 mm (3.3 inches)86%extreme
August Weather14°C (58°F)108 mm (4.2 inches)89%extreme
September Weather11°C (51°F)87 mm (3.4 inches)88%extreme
October Weather4°C (40°F)43 mm (1.7 inches)86%very high
November Weather-2°C (28°F)9 mm (0.4 inches)80%high
December Weather-7°C (19°F)4 mm (0.2 inches)76%moderate

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