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December Weather in Jiantang, China

Last updated: August 23, 2025

In Jiantang, China, the average temperature for December hovers around -1°C (30°F). Expect chilly variations, with minimums dipping to -21°C (-5°F) and maximums reaching up to 11°C (52°F). During this month, anticipate about 14 mm (0.5 in) of precipitation spread over 2 days. Stay prepared, as the average humidity stands at a brisk 83%, adding to the frosty atmosphere!

December Temperature in Jiantang

In December in Jiantang, the average temperature is -1°C (30°F). The maximum can reach 11°C (52°F), while the minimum can drop as low as -21°C (-5°F). Travelers should be prepared for cold weather and dress in layers for both warm days and chilly nights.

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

The chart illustrates December temperature patterns in Jiantang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiantang, December typically has an average temperature of -1°C (30°F), with highs reaching up to 11°C (52°F) and lows dropping to around -21°C (-5°F).
JanFebMarAprMayJunJulAugSepOctNovDec242733414855565653473630
Data source: Temperature data for Jiantang 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 Jiantang

In Jiantang in December, the precipitation amount reaches 14 mm (0.5 in) over a span of 2 days.

December Precipitation Trends in Jiantang

The chart displays monthly precipitation patterns in Jiantang, 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 Jiantang, December typically receives around 14 mm (0.5 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec2643515997127258251161792114
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Jiantang

In Jiantang in December humidity is 83%. With an average temperature of -1°C (30°F), this humidity feels like a biting chill that seeps through your layers, making outdoor activities uncomfortable and encouraging travelers to seek shelter indoors.

December Average Humidity in Jiantang

This chart illustrates the average monthly humidity levels in Jiantang, 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 Jiantang is approximately 83%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec79%81%57%59%84%89%92%92%91%90%88%83%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jiantang

In Jiantang 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 Jiantang.

Maximum UV Index Levels in Jiantang for December

The chart shows the monthly maximum UV Index (UVI) for Jiantang 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 Jiantang typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131615161615151297
Data source: Jiantang 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 Jiantang Compares to Other Months

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

This table compares monthly weather conditions in Jiantang, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-4°C (24°F)26 mm (1.0 inches)79%very high
February Weather-3°C (27°F)43 mm (1.7 inches)81%extreme
March Weather0°C (33°F)51 mm (2.0 inches)57%extreme
April Weather5°C (41°F)59 mm (2.3 inches)59%extreme
May Weather9°C (48°F)97 mm (3.8 inches)84%extreme
June Weather13°C (56°F)127 mm (5.0 inches)89%extreme
July Weather13°C (56°F)258 mm (10.2 inches)92%extreme
August Weather13°C (56°F)251 mm (9.9 inches)92%extreme
September Weather12°C (54°F)161 mm (6.3 inches)91%extreme
October Weather8°C (47°F)79 mm (3.1 inches)90%extreme
November Weather2°C (37°F)21 mm (0.8 inches)88%very high
December Weather-1°C (30°F)14 mm (0.5 inches)83%high

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