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December Weather in Runjin, China

Last updated: August 22, 2025

In December, the average temperature in Runjin, China hovers around -18°C (0°F), with extremes ranging from a chilling -31°C (-24°F) to a brisk 5°C (41°F). Expect minimal precipitation, totaling about 6 mm (0.2 in) over just 1 day, while the air maintains a moderate 60% humidity.

December Temperature in Runjin

In December in Runjin, the average temperature is -18°C (0°F), with maximums reaching 5°C (41°F) and minimums plummeting to -31°C (-24°F). Therefore, it's essential to dress warmly and be prepared for extreme cold if you plan to travel during this time.

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

The chart illustrates December temperature patterns in Runjin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Runjin, December typically has an average temperature of -18°C (0°F), with highs reaching up to 5°C (41°F) and lows dropping to around -31°C (-24°F).
JanFebMarAprMayJunJulAugSepOctNovDec-44254357667367574119-0
Data source: Temperature data for Runjin 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 Runjin

In Runjin in December, the precipitation amount is 6 mm (0.2 in) over the course of 1 day.

December Precipitation Trends in Runjin

The chart displays monthly precipitation patterns in Runjin, 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 Runjin, December typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec461234481301661889924206
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Runjin

In Runjin in December humidity is 60%. With an average temperature of -18°C (0°F), this humidity feels like an icy breath that swiftly penetrates your clothes, making every step outside an exhilarating but chilling challenge for travelers.

December Average Humidity in Runjin

This chart illustrates the average monthly humidity levels in Runjin, 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 Runjin 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 Runjin

In Runjin 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 Runjin.

Maximum UV Index Levels in Runjin for December

The chart shows the monthly maximum UV Index (UVI) for Runjin 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 Runjin typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224678886421
Data source: Runjin 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 Runjin Compares to Other Months

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

This table compares monthly weather conditions in Runjin, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-20°C (-4°F)4 mm (0.2 inches)75%low
February Weather-16°C (4°F)6 mm (0.2 inches)70%low
March Weather-4°C (26°F)12 mm (0.5 inches)63%moderate
April Weather6°C (43°F)34 mm (1.3 inches)59%high
May Weather14°C (57°F)48 mm (1.9 inches)61%high
June Weather19°C (66°F)130 mm (5.1 inches)79%very high
July Weather23°C (73°F)166 mm (6.6 inches)84%very high
August Weather20°C (67°F)188 mm (7.4 inches)87%very high
September Weather14°C (57°F)99 mm (3.9 inches)85%high
October Weather5°C (41°F)24 mm (1.0 inches)80%moderate
November Weather-7°C (19°F)20 mm (0.8 inches)61%low
December Weather-18°C (0°F)6 mm (0.2 inches)60%low

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