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December Weather in Onyar, China

Last updated: August 22, 2025

In December, the average temperature in Onyar, China hovers around -5°C (24°F), with a minimum dipping as low as -19°C (-1°F) and a peak reaching 12°C (54°F). During this chilly month, you can expect approximately 18 mm (0.7 in) of precipitation spread over 5 days, accompanied by a high average humidity of 88%. Stay warm and prepared for the brisk weather!

December Temperature in Onyar

In December in Onyar, the average temperature is -5°C (24°F). The maximum can reach 12°C (54°F), while the minimum can drop as low as -19°C (-1°F). Be prepared for a chilly adventure, and make sure to dress warmly if you're planning to travel during this time!

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

The chart illustrates December temperature patterns in Onyar, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Onyar, December typically has an average temperature of -5°C (24°F), with highs reaching up to 12°C (54°F) and lows dropping to around -19°C (-1°F).
JanFebMarAprMayJunJulAugSepOctNovDec182541556470747163493424
Data source: Temperature data for Onyar 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 Onyar

In Onyar in December, the precipitation amount is 18 mm (0.7 in) spread over a duration of 5 days.

December Precipitation Trends in Onyar

The chart displays monthly precipitation patterns in Onyar, 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 Onyar, December typically receives around 18 mm (0.7 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec183444655039274839463218
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Onyar

In Onyar in December humidity is 88%. With an average temperature of -5°C (24°F), this humidity feels like a chilly fog enveloping you, making every breath feel heavy and damp, which can turn a simple stroll into a challenge as you navigate the colder air mixed with the moisture.

December Average Humidity in Onyar

This chart illustrates the average monthly humidity levels in Onyar, 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 Onyar is approximately 88%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%85%82%70%68%61%60%61%61%74%80%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Onyar

In Onyar in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Onyar, you can visit Hourly UV Index in Onyar.

Maximum UV Index Levels in Onyar for December

The chart shows the monthly maximum UV Index (UVI) for Onyar 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 Onyar typically reaches 2, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24689101097532
Data source: Onyar 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 Onyar Compares to Other Months

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

This table compares monthly weather conditions in Onyar, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-8°C (18°F)18 mm (0.7 inches)90%low
February Weather-4°C (25°F)34 mm (1.3 inches)85%moderate
March Weather5°C (41°F)44 mm (1.7 inches)82%high
April Weather13°C (55°F)65 mm (2.6 inches)70%very high
May Weather18°C (64°F)50 mm (2.0 inches)68%very high
June Weather21°C (70°F)39 mm (1.5 inches)61%very high
July Weather23°C (74°F)26 mm (1.0 inches)60%very high
August Weather22°C (71°F)48 mm (1.9 inches)61%very high
September Weather17°C (63°F)39 mm (1.5 inches)60%high
October Weather9°C (49°F)46 mm (1.8 inches)74%moderate
November Weather1°C (35°F)32 mm (1.3 inches)80%moderate
December Weather-5°C (24°F)18 mm (0.7 inches)88%low

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