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December Weather in Sishui, China

Last updated: August 23, 2025

In Sishui, China, the average temperature in December hovers around a comfortable 18°C (64°F). However, be prepared for variations, as temperatures can dip to a chilly 6°C (43°F) or soar up to 29°C (84°F). This month sees an average precipitation of just 12 mm (0.5 in) over 3 days, contributing to a delightful average humidity of 72%. Enjoy the ideal conditions and vibrant atmosphere that make Sishui a charming destination in December!

December Temperature in Sishui

In December in Sishui, the average temperature is 18°C (64°F). Maximums can reach 29°C (84°F), and minimums can be as low as 6°C (43°F). This makes it a great time for travelers to enjoy both warm and cooler moments, perfect for exploring the local sights.

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

The chart illustrates December temperature patterns in Sishui, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sishui, December typically has an average temperature of 18°C (64°F), with highs reaching up to 29°C (84°F) and lows dropping to around 6°C (43°F).
JanFebMarAprMayJunJulAugSepOctNovDec636370748083838282777264
Data source: Temperature data for Sishui 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 Sishui

In Sishui in December, the precipitation amount is 12 mm (0.5 in) during a span of 3 days.

December Precipitation Trends in Sishui

The chart displays monthly precipitation patterns in Sishui, 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 Sishui, December typically receives around 12 mm (0.5 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec1959581302382962604132211162212
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Sishui

In Sishui in December, humidity is 72%. With an average temperature of 18°C (64°F), this humidity feels like a warm, sticky embrace, making travel somewhat uncomfortable as the air clings to your skin, leaving you longing for a refreshing breeze.

December Average Humidity in Sishui

This chart illustrates the average monthly humidity levels in Sishui, 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 Sishui is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%70%72%71%76%78%87%87%80%74%71%72%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Sishui

In Sishui 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 Sishui.

Maximum UV Index Levels in Sishui for December

The chart shows the monthly maximum UV Index (UVI) for Sishui 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 Sishui typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121213131314121297
Data source: Sishui 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 Sishui Compares to Other Months

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

This table compares monthly weather conditions in Sishui, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather17°C (63°F)19 mm (0.7 inches)66%high
February Weather17°C (64°F)59 mm (2.3 inches)69%very high
March Weather21°C (71°F)58 mm (2.3 inches)72%extreme
April Weather23°C (74°F)130 mm (5.1 inches)71%extreme
May Weather27°C (80°F)238 mm (9.4 inches)76%extreme
June Weather28°C (83°F)296 mm (11.7 inches)78%extreme
July Weather29°C (84°F)260 mm (10.2 inches)87%extreme
August Weather28°C (82°F)413 mm (16.3 inches)87%extreme
September Weather28°C (82°F)220 mm (8.7 inches)80%extreme
October Weather25°C (77°F)116 mm (4.6 inches)74%extreme
November Weather22°C (72°F)22 mm (0.9 inches)71%very high
December Weather18°C (64°F)12 mm (0.5 inches)72%high

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