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December Weather in Sili, China

Last updated: August 22, 2025

In December, the average temperature in Sili, China hovers around 10°C (50°F), with a range that can dip as low as -2°C (28°F) and soar up to 26°C (79°F). This month brings 61 mm (2.4 in) of precipitation over approximately 9 days, while the air maintains an average humidity of 79%.

December Temperature in Sili

In December in Sili, the average temperature is 10°C (50°F). Maximums can reach 26°C (79°F), and minimums can be as low as -2°C (28°F). This variety in temperatures makes it essential for travelers to pack both warm and light clothing for their visit.

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

The chart illustrates December temperature patterns in Sili, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sili, December typically has an average temperature of 10°C (50°F), with highs reaching up to 26°C (79°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec464959667580868782706049
Data source: Temperature data for Sili 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 Sili

In Sili in December, the precipitation amount is 61 mm (2.4 in) spread over 9 days.

December Precipitation Trends in Sili

The chart displays monthly precipitation patterns in Sili, 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 Sili, December typically receives around 61 mm (2.4 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec7710422721629645332812183488761
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sili

In Sili in December humidity is 79%. With an average temperature of 10°C (50°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration less inviting and requiring layered clothing to stay comfortable while traveling.

December Average Humidity in Sili

This chart illustrates the average monthly humidity levels in Sili, 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 Sili is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%73%82%86%86%86%90%86%73%73%80%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sili

In Sili in December, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Sili.

Maximum UV Index Levels in Sili for December

The chart shows the monthly maximum UV Index (UVI) for Sili 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 Sili typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6710101112121210875
Data source: Sili 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 Sili Compares to Other Months

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

This table compares monthly weather conditions in Sili, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (47°F)77 mm (3.0 inches)69%high
February Weather10°C (50°F)104 mm (4.1 inches)73%high
March Weather15°C (59°F)227 mm (8.9 inches)82%very high
April Weather19°C (67°F)216 mm (8.5 inches)86%very high
May Weather24°C (75°F)296 mm (11.7 inches)86%extreme
June Weather27°C (80°F)453 mm (17.8 inches)86%extreme
July Weather30°C (86°F)328 mm (12.9 inches)90%extreme
August Weather31°C (87°F)121 mm (4.8 inches)86%extreme
September Weather28°C (82°F)83 mm (3.3 inches)73%very high
October Weather21°C (71°F)48 mm (1.9 inches)73%very high
November Weather16°C (60°F)87 mm (3.4 inches)80%high
December Weather10°C (50°F)61 mm (2.4 inches)79%moderate

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