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December Weather in Sanlong, China

Last updated: August 23, 2025

In December, the average temperature in Sanlong, China hovers around 6°C (44°F). Expect a chilly minimum of -6°C (21°F), while the maximum can reach a mild 17°C (62°F). This month also brings 36 mm (1.4 in) of precipitation over approximately 6 days, and an average humidity level of 73% adds to the overall crisp atmosphere.

December Temperature in Sanlong

In December in Sanlong, the average temperature is 6°C (44°F). The maximum can reach 17°C (62°F), and the minimum can be as low as -6°C (21°F). Be prepared for a mix of cool and mild weather, making it an ideal time for layering your clothing while exploring the area.

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

The chart illustrates December temperature patterns in Sanlong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sanlong, December typically has an average temperature of 6°C (44°F), with highs reaching up to 17°C (62°F) and lows dropping to around -6°C (21°F).
JanFebMarAprMayJunJulAugSepOctNovDec394148566774818276655543
Data source: Temperature data for Sanlong 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 Sanlong

In Sanlong in December, the total precipitation amount is 36 mm (1.4 in), which falls over the course of 6 days.

December Precipitation Trends in Sanlong

The chart displays monthly precipitation patterns in Sanlong, 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 Sanlong, December typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec45415462110126241169107634736
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sanlong

In Sanlong in December, humidity is 73%. With an average temperature of 6°C (44°F), this humidity feels like a chilly, damp embrace that can make outdoor activities uncomfortable, encouraging travelers to seek indoor experiences or dress warmly while exploring.

December Average Humidity in Sanlong

This chart illustrates the average monthly humidity levels in Sanlong, 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 Sanlong is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec67%69%79%86%87%90%95%92%79%76%77%73%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sanlong

In Sanlong in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Sanlong, you can check the information here.

Maximum UV Index Levels in Sanlong for December

The chart shows the monthly maximum UV Index (UVI) for Sanlong 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 Sanlong typically reaches 3, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec46891010111110753
Data source: Sanlong 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 Sanlong Compares to Other Months

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

This table compares monthly weather conditions in Sanlong, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather4°C (39°F)45 mm (1.8 inches)67%moderate
February Weather5°C (41°F)41 mm (1.6 inches)69%high
March Weather9°C (49°F)54 mm (2.1 inches)79%very high
April Weather14°C (57°F)62 mm (2.4 inches)86%very high
May Weather19°C (67°F)110 mm (4.3 inches)87%very high
June Weather23°C (74°F)125 mm (4.9 inches)90%very high
July Weather27°C (81°F)241 mm (9.5 inches)95%extreme
August Weather28°C (82°F)169 mm (6.6 inches)92%extreme
September Weather24°C (76°F)107 mm (4.2 inches)79%very high
October Weather18°C (66°F)63 mm (2.5 inches)76%high
November Weather13°C (55°F)47 mm (1.9 inches)77%moderate
December Weather6°C (44°F)36 mm (1.4 inches)73%moderate

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