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December Weather in Sihaidian, China

Last updated: August 22, 2025

In Sihaidian, China, the average temperature in December hovers around -18°C (-1°F). Expect chilling lows of -40°C (-39°F) and the occasional highs reaching 5°C (41°F). With a precipitation amount of 10 mm (0.4 in) spread over just 2 days, you might encounter some light snow. The average humidity sits comfortably at 60%, adding to the unique winter atmosphere.

December Temperature in Sihaidian

In December in Sihaidian, the average temperature is -18°C (1°F), with maximums reaching up to 5°C (41°F) and minimums dropping as low as -40°C (-39°F). Travelers should be prepared for extreme cold conditions and dress warmly to fully enjoy the experience.

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

The chart illustrates December temperature patterns in Sihaidian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sihaidian, December typically has an average temperature of -18°C (-1°F), with highs reaching up to 5°C (41°F) and lows dropping to around -40°C (-39°F).
JanFebMarAprMayJunJulAugSepOctNovDec-53254356657367584120-1
Data source: Temperature data for Sihaidian 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 Sihaidian

In Sihaidian in December, the precipitation amount is 10 mm (0.4 in) over a period of 2 days.

December Precipitation Trends in Sihaidian

The chart displays monthly precipitation patterns in Sihaidian, 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 Sihaidian, December typically receives around 10 mm (0.4 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec67153582148196192119302510
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sihaidian

In Sihaidian in December, humidity is 60%. With an average temperature of -18°C (-1°F), this humidity feels like a biting chill that seeps through your layers, making outdoor travel quite uncomfortable and requiring extra preparation to stay warm and dry.

December Average Humidity in Sihaidian

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

In Sihaidian 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 Sihaidian.

Maximum UV Index Levels in Sihaidian for December

The chart shows the monthly maximum UV Index (UVI) for Sihaidian 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 Sihaidian typically reaches 1, which falls under the low exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec234678986421
Data source: Sihaidian 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 Sihaidian Compares to Other Months

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

This table compares monthly weather conditions in Sihaidian, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-21°C (-5°F)6 mm (0.2 inches)75%low
February Weather-16°C (4°F)7 mm (0.3 inches)70%moderate
March Weather-4°C (25°F)15 mm (0.6 inches)63%moderate
April Weather6°C (43°F)35 mm (1.4 inches)59%high
May Weather14°C (57°F)82 mm (3.2 inches)61%high
June Weather18°C (65°F)148 mm (5.8 inches)79%very high
July Weather23°C (73°F)196 mm (7.7 inches)84%very high
August Weather20°C (68°F)192 mm (7.6 inches)87%very high
September Weather14°C (58°F)119 mm (4.7 inches)85%high
October Weather5°C (42°F)30 mm (1.2 inches)80%moderate
November Weather-7°C (20°F)25 mm (1.0 inches)61%low
December Weather-18°C (-1°F)10 mm (0.4 inches)60%low

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