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December Weather in Sanchuan, China

Last updated: August 22, 2025

In Sanchuan, China, the average temperature in December hovers around 8°C (47°F). Expect a range between a chilly -3°C (28°F) at night and a mild 19°C (67°F) during the day. Rainfall is light, with an average precipitation of just 6 mm (0.2 in) over 2 days, while humidity sits at a relatively comfortable 73%.

December Temperature in Sanchuan

In December in Sanchuan, the average temperature is 8°C (47°F). The maximum can reach 19°C (67°F), while the minimum can drop to -3°C (28°F). Be prepared for a range of temperatures if you're planning to visit during this time.

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

The chart illustrates December temperature patterns in Sanchuan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sanchuan, December typically has an average temperature of 8°C (47°F), with highs reaching up to 19°C (67°F) and lows dropping to around -3°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec464855596568666663595246
Data source: Temperature data for Sanchuan 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 Sanchuan

In Sanchuan in December, the precipitation amount is 6 mm (0.2 in) over the course of 2 days.

December Precipitation Trends in Sanchuan

The chart displays monthly precipitation patterns in Sanchuan, 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 Sanchuan, December typically receives around 6 mm (0.2 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec131213285716629530619398146
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sanchuan

In Sanchuan in December humidity is 73%. With an average temperature of 8°C (47°F), this humidity feels like a chilly dampness that can make outdoor activities less enjoyable, wrapping you in a thick, misty embrace that weighs heavily on your clothes and skin, making travel seem a bit more cumbersome and less invigorating.

December Average Humidity in Sanchuan

This chart illustrates the average monthly humidity levels in Sanchuan, 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 Sanchuan is approximately 73%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%69%46%54%71%82%89%90%90%86%85%73%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sanchuan

In Sanchuan in December, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Sanchuan.

Maximum UV Index Levels in Sanchuan for December

The chart shows the monthly maximum UV Index (UVI) for Sanchuan 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 Sanchuan typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121414141615141297
Data source: Sanchuan 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 Sanchuan Compares to Other Months

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

This table compares monthly weather conditions in Sanchuan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather8°C (46°F)13 mm (0.5 inches)65%high
February Weather9°C (48°F)12 mm (0.5 inches)69%very high
March Weather13°C (55°F)13 mm (0.5 inches)46%extreme
April Weather15°C (60°F)28 mm (1.1 inches)54%extreme
May Weather18°C (65°F)57 mm (2.2 inches)71%extreme
June Weather20°C (69°F)166 mm (6.5 inches)82%extreme
July Weather19°C (66°F)295 mm (11.6 inches)89%extreme
August Weather19°C (66°F)306 mm (12.1 inches)90%extreme
September Weather17°C (63°F)193 mm (7.6 inches)90%extreme
October Weather15°C (59°F)98 mm (3.8 inches)86%extreme
November Weather11°C (52°F)14 mm (0.5 inches)85%very high
December Weather8°C (47°F)6 mm (0.2 inches)73%high

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