December Weather in Jiangxi, China

Last updated: August 21, 2025

In December, Jiangxi, China, experiences a notable winter chill, with average temperatures plummeting to around -2°C (28°F), while maximums struggle to reach 9°C (48°F). The coldest days can see temperatures drop as low as -23°C (-10°F), emphasizing the region’s wintry bite. Amidst this frost, the month receives a modest 14 mm (0.6 in) of precipitation over approximately 4 days, creating a crisp air laced with an average humidity level of 88%. This unique combination of low temperatures and high humidity shapes a distinctive winter atmosphere in Jiangxi, rendering it a time for bundled-up strolls and cozy indoor gatherings.

December Temperature in Jiangxi

In Jiangxi, China, December ushers in a stark chill as temperatures dip significantly, with a minimum of -23°C (-10°F) and an average hovering around -2°C (28°F). This month marks a notable transition to winter, particularly after November's relatively milder conditions. The maximum temperature only reaches around 9°C (48°F), signifying that the region is fully immersed in its coldest season. As the year draws to a close, citizens experience sharp declines in warmth, reflecting a consistent downward trend from the more temperate months of autumn. The crisp air and frosty mornings in December set the stage for a winter wonderland, pushing locals and visitors alike to bundle up and embrace the season's chill.

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

The chart illustrates December temperature patterns in Jiangxi, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiangxi, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec263043515965706960493928
Data source: Temperature data for Jiangxi generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Jiangxi

In Jiangxi, China, December marks a transition into the colder months, as reflected by its modest precipitation amount of just 14 mm (0.6 in) over 4 days of rainfall. This represents a significant decline compared to the heavier rains of the summer months, notably July and August, when the region experiences peak precipitation of 129 mm (5.1 in) each month. As winter sets in, November's rains further taper off to only 23 mm (0.9 in), indicating a trend towards drier conditions leading into December. Overall, the data showcases a clear pattern of diminishing rainfall as the year draws to a close, highlighting Jiangxi's seasonal climate shifts from the humid, rain-soaked summer to the drier, cooler winter months.

December Precipitation Trends in Jiangxi

The chart displays monthly precipitation patterns in Jiangxi, 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 Jiangxi, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec152136587599129129102932314
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Jiangxi

As December arrives in Jiangxi, China, the humidity levels settle at 88%, reflecting a trend of consistent moisture throughout the year. After a gradual rise from 85% in April, humidity peaks in March and October at 90%, indicating the transition into the wetter months. The late autumn and winter months maintain relatively high humidity, with December's reading comfortably in line with November's 88%. This persistence in humidity hints at the region's subtropical climate, where moisture remains a defining feature, making for a crisp yet damp end to the year.

December Average Humidity in Jiangxi

This chart illustrates the average monthly humidity levels in Jiangxi, 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 Jiangxi is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%87%90%85%81%86%87%88%89%90%88%88%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jiangxi

As the year comes to a close, December in Jiangxi, China showcases a noticeable shift in UV exposure, with the UV Index dropping to a moderate 4. This marks a transition from the extreme levels witnessed during the summer months, which frequently posed a burn time of just 10 minutes. Comparatively, December offers a safer outdoor experience, allowing for up to 30 minutes of sun exposure before risking a burn. This decline in UV intensity mirrors the seasonal changes, providing respite after several months of high to extreme rates. As you plan your winter activities, take advantage of this milder UV Index, but still remain aware of your environment. For more details on UV levels throughout the year, check out Jiangxi UV Index.

Maximum UV Index Levels in Jiangxi for December

The chart shows the monthly maximum UV Index (UVI) for Jiangxi 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 Jiangxi typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec578121213121211864
Data source: Jiangxi 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.

December Sunshine in Jiangxi

In December in Jiangxi, China, residents are greeted by a generous 251 hours of sunshine, marking a pleasant conclusion to the year. This month continues the trend of significant solar exposure seen in the preceding months, particularly during the summer peak in July with 325 hours. While the sunlit hours dip notably in October to 180, they rebound nicely, underscoring a gradual transition that nourishes the vibrant landscapes. As the year's end approaches, December’s sun serves as a reminder of the softer, milder winter days that lie ahead, contrasting sharply with the varied and often unpredictable weather patterns earlier in the year. The consistent presence of sunlight during this month contributes to the charm of Jiangxi, providing a delightful winter backdrop for both locals and visitors alike.

Monthly Sunshine Duration in Jiangxi: December Highlighted

The December sunshine duration represents the total number of hours Jiangxi experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec207h245h269h247h304h283h325h293h209h180h217h251h
Data source: Jiangxi December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jiangxi During December

In December, the likelihood of experiencing sunny weather in Jiangxi, China, stands at 49%, making it a promising month for sun seekers. This figure is notably higher than the dim prospects observed in earlier months like October (14%) and March (21%). While November boasts the highest chance of sunshine at 51%, December maintains a robust likelihood, almost matching it. This trend indicates a gradual shift from the predominantly overcast and rainy months of late fall to a more balanced weather pattern as winter approaches. With nearly half the days potentially graced by sunlight, December offers a delightful opportunity for both locals and travelers to enjoy the region's natural beauty.

Percentage of Sunny Days in December in Jiangxi

The chart illustrates the percentage of sunny days in Jiangxi throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Jiangxi experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec38%50%21%19%22%23%46%24%30%14%51%49%
Data source: Jiangxi December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jiangxi in December

As the year draws to a close, December in Jiangxi, China ushers in a noticeable shift in daylight, offering only 9 hours of sunshine—a significant reduction from the longer days of summer. This trend reflects a steady decrease in daylight hours throughout the fall, where November also shared a brief 10-hour daylight duration. In stark contrast, the spring months enjoy longer days, starting at 11 hours in March and peaking at 14 hours during the summer months of June and July. As the seasons change, it's evident that Jiangxi experiences a rhythmic ebb and flow of daylight, with winter enveloping the region in shorter days and a quieter, more reflective atmosphere.

Average Daylight Hours in Jiangxi for December

The chart illustrates the variation in daylight duration in Jiangxi throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 9m10h 57m11h 58m13h 1m13h 55m14h 21m14h 8m13h 21m12h 21m11h 18m10h 23m9h 55m
Data source: Jiangxi daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Jiangxi

As December settles over Jiangxi, China, the wind begins to whisper its gentle farewell to the year, recording an average speed of just 1.6 m/s (4 mph). This subtle descent continues a trend seen throughout the later months, where wind activity generally softened from the more robust breezes of spring and early summer, which reached up to 2.2 m/s (5 mph). With an overall decline noticeable from November's 1.9 m/s, the December winds bring a peaceful stillness, providing a serene backdrop to the winter landscape. The calmness of this month contrasts beautifully with the vibrant energy of earlier seasons, inviting residents and visitors alike to reflect on the year's passing amidst the tranquil breezes of Jiangxi.

Average December Wind Speed in Jiangxi

The chart displays monthly wind speed patterns in Jiangxi, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.71.92.22.12.22.01.81.92.02.01.91.6 m/s
Data source: Jiangxi December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Jiangxi Compares to Other Months

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

December and January exhibit notably cold weather conditions, with January typically experiencing slightly lower temperatures. In December, the minimum temperature hovers around -23°C (-10°F), while January sees a drop to -26°C (-15°F). The average temperatures are also similar, with December averaging -2°C (28°F) and January slightly cooler at -4°C (26°F). Precipitation levels are comparable in both months, with December recording 14 mm (0.6 in) and January slightly higher at 15 mm (0.6 in), with both months experiencing precipitation on about 4 days. Humidity remains high in December at 88%, while January is slightly less humid at 85%. For more details on January weather patterns, you can refer to Jiangxi weather in January.

December and February exhibit notable similarities as well as differences in weather patterns. In December, temperatures range from a chilly -23°C (-10°F) at night to a mild 9°C (48°F) during the day, with an average of -2°C (28°F). The month sees around 14 mm (0.6 in) of precipitation over 4 days, while humidity remains high at 88%. Conversely, February experiences slightly milder conditions, with temperatures ranging from a minimum of -20°C (-4°F) to a maximum of 16°C (62°F), averaging -1°C (31°F). Precipitation increases slightly to 20 mm (0.8 in) over 5 days, with humidity on a similar level at 87%. Overall, while both months are characterized by cold temperatures, February offers a slight respite with warmer highs and increased moisture. For further information, you can check out Jiangxi weather in February.

In December, the weather is characterized by frigid temperatures, with a minimum of -23°C (-10°F) and an average of -2°C (28°F), peaking at a maximum of 9°C (48°F). The month sees limited precipitation at 14 mm (0.6 in) over just 4 days, with high humidity levels at 88%. In contrast, March brings a significant warming trend, where the minimum temperature rises to -11°C (13°F) and the average increases to 6°C (44°F), reaching up to 22°C (71°F) at its peak. Precipitation also increases in March, totaling 36 mm (1.4 in) over 10 days, while humidity remains relatively high at 90%. For more information on weather dynamics in March, you can check Jiangxi weather in March.

December weather presents a stark contrast to April's climate, characterized by much colder temperatures and reduced precipitation. In December, temperatures can plummet as low as -23°C (-10°F), with an average of -2°C (28°F) and a maximum of 9°C (48°F). The month experiences only 14 mm (0.6 in) of precipitation over approximately four days, accompanied by high humidity at 88%.

In comparison, April brings a significant warm-up, with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 27°C (80°F) and an average temperature of 11°C (52°F). This month sees a notable increase in precipitation, totaling 57 mm (2.3 in) across about 12 days, while humidity remains relatively high at 85%. For more detailed insights on April weather, you can explore Jiangxi weather in April.

December and May present stark contrasts in weather conditions. In December, temperatures can plummet as low as -23°C (-10°F), with an average of -2°C (28°F) and a maximum reaching 9°C (48°F). The month is characterized by high humidity at 88% and minimal precipitation, averaging just 14 mm (0.6 in) over about 4 days. In contrast, May warms up considerably, with minimum temperatures around 1°C (35°F) and an average high of 28°C (83°F). This month experiences more rainfall, tallying up to 75 mm (2.9 in) across approximately 10 days, and slightly lower humidity at 81%. For more detailed information on weather patterns, you can visit Jiangxi weather in May.

December weather is marked by its cold temperatures, with averages hovering around -2°C (28°F) and a maximum of just 9°C (48°F). The humidity is relatively high at 88%, but precipitation is minimal, only occurring on about 4 days and totaling 14 mm (0.6 in). In contrast, June brings a significant shift with warmer temperatures, where the average rises to 19°C (66°F) and can reach a maximum of 30°C (86°F). This month experiences much more rainfall, totaling 99 mm (3.9 in) over 11 days, with humidity slightly lower at 86%. For more detailed information, you can visit Jiangxi weather in June.

In December, the weather is notably colder, with temperatures ranging from a frigid -23°C (-10°F) to a maximum of 9°C (48°F) and an average temperature around -2°C (28°F). The month sees minimal precipitation, accumulating only 14 mm (0.6 in) over about 4 days, while the humidity remains high at 88%. In contrast, July experiences significantly warmer conditions, with temperatures fluctuating between a mild 11°C (53°F) and a scorching 33°C (91°F), resulting in an average temperature of 21°C (70°F). This summer month is also characterized by increased rainfall, totaling 129 mm (5.1 in) across 13 days, while humidity is slightly lower at 87%. For more detailed information about July weather, you can visit Jiangxi weather in July.

December and August present starkly contrasting weather conditions. In December, temperatures range from a chilling -23°C (-10°F) at minimum to a mild 9°C (48°F) at maximum, with an average temperature of -2°C (28°F). The month receives only 14 mm of precipitation over four days, contributing to a frigid atmosphere with consistent humidity at 88%. In contrast, August experiences much warmer temperatures, with a minimum of 10°C (50°F) and a maximum of 32°C (91°F), resulting in an average of 20°C (69°F). However, it is significantly wetter, accumulating 129 mm of precipitation over 16 days, while maintaining the same humidity level of 88%. For more details, you can check out Jiangxi weather in August.

December and September weather present a stark contrast in terms of temperature and precipitation. In December, temperatures plummet, with a minimum of -23°C (-10°F) and an average of -2°C (28°F), while in September, temperatures are much milder, ranging from a minimum of 7°C (45°F) to a maximum of 26°C (79°F). Precipitation also differs significantly; December sees only 14 mm (0.6 in) of rain over four days, whereas September is much wetter, with 102 mm (4.0 in) of precipitation occurring over 15 days. Humidity levels are similar in both months, hovering around 88% in December and 89% in September. For more detailed insights into September's weather, you can visit Jiangxi weather in September.

In comparing the weather of December and October, a stark contrast emerges. December features significantly colder temperatures, with a minimum dipping to -23°C (-10°F) and an average of -2°C (28°F), while October enjoys milder conditions, with a minimum of 1°C (34°F) and an average of 10°C (50°F). In October, the maximum temperature can reach a pleasant 23°C (74°F), in sharp contrast to December's peak of 9°C (48°F). Additionally, October experiences much higher precipitation, averaging 93 mm (3.7 in) over 15 days, compared to December's relatively dry conditions with only 14 mm (0.6 in) falling over 4 days. The humidity levels remain similar, at around 88% for December and 90% for October. For more insights into October weather, check out Jiangxi weather in October.

December's weather is markedly colder than November's, with average temperatures dropping from November's mild 4°C (39°F) to a frigid -2°C (28°F). While December experiences fewer days of precipitation—just 4 days compared to November's 7 days—it still receives a significant amount of humidity, remaining steady at 88%. Additionally, November boasts a maximum temperature of 18°C (64°F), while December's maximum is a much cooler 9°C (48°F). For more details on November's conditions, visit Jiangxi weather in November.

Compare Jiangxi's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Jiangxi

As December settles over Jiangxi, the weather transforms significantly, presenting a stark contrast to the more temperate months of autumn. With frigid temperatures that can dip as low as -23°C, this month heralds winter's chilling embrace, making it one of the coldest periods of the year. Humidity remains high at 88%, and although precipitation is relatively low with only a few rain-soaked days, the lingering dampness can make the chill feel even more penetrating. While other months enjoy milder climates, December stands out with its stark, chilly conditions, inviting residents and visitors alike to bundle up and embrace the beauty of winter. For a deeper dive into Jiangxi's unique climate, visit Jiangxi Climate.