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December Weather in Yiwan, China

Last updated: August 23, 2025

In December, the average temperature in Yiwan, China hovers around 8°C (46°F), with a range that can drop to a chilly -2°C (28°F) at its lowest and peak at a comfortable 19°C (67°F). During this month, expect around 31 mm (1.2 in) of rainfall spread over approximately 7 days, while the air tends to be quite humid at 76%.

December Temperature in Yiwan

In December in Yiwan, the average temperature is 8°C (46°F), with maximums reaching up to 19°C (67°F) and minimums dropping as low as -2°C (28°F). Be prepared for a mix of cool and mild weather while enjoying your travels in Yiwan during this time.

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

The chart illustrates December temperature patterns in Yiwan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yiwan, December typically has an average temperature of 8°C (46°F), with highs reaching up to 19°C (67°F) and lows dropping to around -2°C (28°F).
JanFebMarAprMayJunJulAugSepOctNovDec414656647279848477655646
Data source: Temperature data for Yiwan 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 Yiwan

In Yiwan in December, the precipitation amount is 31 mm (1.2 in) over the course of 7 days.

December Precipitation Trends in Yiwan

The chart displays monthly precipitation patterns in Yiwan, 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 Yiwan, December typically receives around 31 mm (1.2 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec5657103130172194180150115695531
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Yiwan

In Yiwan in December, humidity is 76%. With an average temperature of 8°C (46°F), this humidity feels like a chilly dampness that seeps into your bones, making travel less enjoyable as the cold air mixes with the moisture, creating an uneasy, heavy atmosphere that can hinder your outdoor plans.

December Average Humidity in Yiwan

This chart illustrates the average monthly humidity levels in Yiwan, 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 Yiwan is approximately 76%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec71%75%86%86%86%87%89%86%70%73%83%76%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Yiwan

In Yiwan 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 Yiwan.

Maximum UV Index Levels in Yiwan for December

The chart shows the monthly maximum UV Index (UVI) for Yiwan 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 Yiwan typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec668101111121210965
Data source: Yiwan 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 Yiwan Compares to Other Months

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

This table compares monthly weather conditions in Yiwan, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather5°C (42°F)56 mm (2.2 inches)71%high
February Weather8°C (46°F)57 mm (2.2 inches)75%high
March Weather13°C (56°F)103 mm (4.1 inches)86%very high
April Weather18°C (64°F)130 mm (5.1 inches)86%very high
May Weather22°C (72°F)172 mm (6.8 inches)86%extreme
June Weather26°C (79°F)194 mm (7.6 inches)87%extreme
July Weather29°C (84°F)180 mm (7.1 inches)89%extreme
August Weather29°C (85°F)150 mm (5.9 inches)86%extreme
September Weather25°C (77°F)115 mm (4.5 inches)70%very high
October Weather18°C (65°F)69 mm (2.7 inches)72%very high
November Weather14°C (57°F)54 mm (2.1 inches)82%high
December Weather8°C (46°F)31 mm (1.2 inches)76%moderate

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