December Weather in Nanchang, China

Last updated: August 21, 2025

December in Nanchang, China showcases a diverse weather palette, with temperatures ranging from a brisk -2°C (28°F) at night to a pleasant 24°C (75°F) during the day. The average temperature hovers around 9°C (48°F), providing a crisp backdrop for the winter month. Rainfall, totaling 46 mm (1.8 in), graces the region over seven days, adding to the overall humidity level of 79%, which can make the air feel chillier. As the month unfolds, residents and visitors alike can experience the unique charm of Nanchang's winter atmosphere, blending the cool air with occasional moisture.

December Temperature in Nanchang

In December, Nanchang experiences a significant drop in temperatures as it transitions firmly into winter. With minimums dipping to -2°C (28°F) and an average of 9°C (48°F), the month showcases a cooler climate compared to the preceding months. Daytime highs, however, can reach a comfortable 24°C (75°F), offering a pleasant contrast to the chilly evenings. This seasonal shift is evident as temperatures steadily decline from the milder autumn months, where averages lingered around 15°C (59°F) in November. With these cooler conditions, residents and visitors alike can enjoy a crisp, refreshing atmosphere that defines Nanchang's December, ideal for cozy gatherings and festive celebrations.

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

The chart illustrates December temperature patterns in Nanchang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nanchang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec444757657480858680685847
Data source: Temperature data for Nanchang 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 Nanchang

In Nanchang, China, December marks the transition into winter, characterized by a noticeable dip in precipitation, which totals 46 mm (1.8 in) over approximately 7 days. This decrease follows the wetter months of spring and summer, where June reaches a peak of 305 mm (12.0 in), often accompanied by intense thunderstorms. As the year draws to a close, the rainfall becomes more sporadic, reflecting a broader seasonal trend. The comparative dryness of December not only enhances the crisp winter air but also sets the stage for drier conditions in the months ahead, with January showing a further drop. This climatic pattern illustrates a clear cycle, where precipitation dramatically increases during the warmer months and gently subsides as temperatures cool.

December Precipitation Trends in Nanchang

The chart displays monthly precipitation patterns in Nanchang, 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 Nanchang, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec65761741461903052318570335346
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Nanchang

As December arrives in Nanchang, China, the humidity settles at a comfortable 79%, reflecting a mild dip from the higher levels seen in the summer months. This follows the trend of increasing humidity throughout the year, peaking at 90% in July. Notably, the preceding months of November (80%) and October (73%) hint at a gradual cooling trend as the city transitions into winter. The overall pattern reveals that while December is less humid than the sultry mid-year months, it remains higher than the early winter months of January (69%) and February (73%). This consistency in humidity levels underscores Nanchang's subtropical climate, where moisture is a persistent feature even as the seasons shift.

December Average Humidity in Nanchang

This chart illustrates the average monthly humidity levels in Nanchang, 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 Nanchang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%73%82%86%86%86%90%86%73%73%80%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Nanchang

In December, Nanchang experiences a noticeable dip in UV index levels, with the rating falling to 5, categorized as moderate. This reduction allows for a longer burn time of 30 minutes, offering a reprieve from the extreme sun exposure witnessed in the summer months, where UV values soared to 12. Compared to the preceding months, where levels consistently hovered between 7 to 11, December presents a more manageable environment for outdoor activities. As the year winds down, it's a perfect time to enjoy the outdoors with a bit more safety in mind, even though keeping an eye on sun exposure remains essential. For more information and to stay updated, check the details at Nanchang UV Index.

Maximum UV Index Levels in Nanchang for December

The chart shows the monthly maximum UV Index (UVI) for Nanchang 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 Nanchang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679101112121211975
Data source: Nanchang 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 Nanchang

In December, Nanchang basks in an impressive 218 hours of sunshine, contributing to a notable trend that showcases a gradual decline in daylight hours as the year draws to a close. Following the vibrant summer months, which peak at 313 hours of sunshine in August, there’s a steady tapering off through the autumn, where September and October maintain strong counts at 274 and 236 hours respectively. As the year transitions into winter, December continues to provide a generous amount of sunlight, slightly above the totals observed in November. This consistent pattern of diminishing daylight, paired with generally mild winter temperatures, makes December a pleasant month to experience the beauty of Nanchang's winter sunlight.

Monthly Sunshine Duration in Nanchang: December Highlighted

The December sunshine duration represents the total number of hours Nanchang 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.
JanFebMarAprMayJunJulAugSepOctNovDec162h197h207h234h271h260h294h313h274h236h215h218h
Data source: Nanchang December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nanchang During December

In December, Nanchang, China, enjoys a pleasant 59% chance of sunny weather, mirroring the sun-drenched days of January. This trend suggests a noticeable shift as the year comes to a close, with sunny opportunities peaking in the cooler months compared to the summer. Notably, September stands out with a high 69% likelihood of sunshine, while the subsequent transition into winter maintains optimism for clearer skies. As temperatures drop and the city transitions into December, residents and visitors alike can relish the bright moments amidst the cooler air, creating an inviting atmosphere to explore the city and its surroundings.

Percentage of Sunny Days in December in Nanchang

The chart illustrates the percentage of sunny days in Nanchang 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 Nanchang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%37%23%19%21%16%28%32%69%41%53%59%
Data source: Nanchang December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nanchang in December

As the year winds down in Nanchang, China, December brings a return to 10 hours of daylight, mirroring the shorter days of January and November. This seasonal rhythm reveals a clear trend: from the brisk beginnings of winter, daylight gradually increases through spring and peaks at 13 hours during the summer months of May through August. As autumn steps in, daylight begins to dwindle again, dropping back to 11 hours in October before settling at its December lows. This cyclical pattern underscores the dance of daylight and darkness, a natural motif that shapes the experience of Nanchang's residents throughout the year.

Average Daylight Hours in Nanchang for December

The chart illustrates the variation in daylight duration in Nanchang throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 30m11h 9m11h 59m12h 51m13h 34m13h 56m13h 45m13h 7m12h 18m11h 26m10h 42m10h 19m
Data source: Nanchang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Nanchang

In December, Nanchang experiences a gentle breeze with an average wind speed of 2.4 m/s (5 mph), marking a slight increase from the calmer months of June and August. This month reflects a consistency in wind patterns, as the average speed hovers around 2.3 to 2.5 m/s from January through April and resumes this steady pace in the latter part of the year, particularly in October. The close averages suggest that while the air may be crisp, it doesn't blow too fiercely, allowing for serene winter days. As residents enjoy the cooler temperatures, the December wind serves as a reminder of the year's seasonal transitions, maintaining a refreshing vibrancy without overwhelming the serene winter landscape.

Average December Wind Speed in Nanchang

The chart displays monthly wind speed patterns in Nanchang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.52.32.32.52.11.92.51.92.13.42.12.4 m/s
Data source: Nanchang December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Nanchang Compares to Other Months

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

In comparing the weather between December and January, December tends to be slightly warmer overall, with average temperatures around 9°C (48°F), and a maximum of 24°C (75°F) compared to January's average of 7°C (45°F) and a maximum of 23°C (73°F). While December experiences a minimum temperature of -2°C (28°F), January is colder with a minimum of -5°C (24°F). Both months see a decent amount of rainfall, but January records slightly more precipitation at 65 mm (2.5 in) over 8 days, compared to December's 46 mm (1.8 in) over 7 days. Additionally, December has a higher humidity level at 79%, while January’s humidity is lower at 69%. For more detailed information, you can check Nanchang weather in January.

December and February offer distinct weather patterns. In December, temperatures typically range from a minimum of -2°C (28°F) to a maximum of 24°C (75°F), with an average of 9°C (48°F). The month sees around 46 mm (1.8 in) of precipitation over roughly 7 days, along with a higher humidity level of 79%. In contrast, February experiences slightly cooler temperatures, with a minimum of -4°C (26°F) and a maximum of 26°C (79°F), while the average remains similar at 8°C (48°F). However, February is wetter, receiving 76 mm (3.0 in) of precipitation across 11 days and lower humidity at 73%. For more detailed information about February weather, you can visit Nanchang weather in February.

December and March present markedly different weather patterns. In December, temperatures range from a chill of -2°C (28°F) to a mild high of 24°C (75°F), with an average of 9°C (48°F). The month sees relatively low precipitation at 46 mm (1.8 in) across approximately 7 days, and humidity hovers around 79%. In contrast, March experiences warmer temperatures, with a minimum of 4°C (39°F), an average of 14°C (57°F), and a peak of 29°C (85°F). However, March is also much wetter, receiving 174 mm (6.9 in) of rainfall over 16 days, while humidity slightly increases to 82%. For a closer look at March weather specifics, you can explore Nanchang weather in March.

In December, the weather features cooler temperatures, with lows reaching -2°C (28°F) and an average of 9°C (48°F), while highs can peak at 24°C (75°F). Precipitation is relatively modest, totaling 46 mm (1.8 in) over about 7 days, with a humidity level of 79%. In contrast, April brings significantly warmer conditions, with minimum temperatures around 6°C (43°F) and averages rising to 19°C (66°F). Highs can soar to 33°C (92°F), and the month is notably wetter, with 146 mm (5.8 in) of rain spread across 14 days and humidity increasing to 86%. For more details on the climate conditions, you can check Nanchang weather in April.

December and May showcase distinctly different weather patterns. In December, temperatures range from a chilly minimum of -2°C (28°F) to a comfortable average of 9°C (48°F), peaking at a pleasant 24°C (75°F). The month experiences moderate precipitation, totaling 46 mm (1.8 in) over 7 days, with humidity levels averaging 79%. In contrast, May brings much warmer temperatures, starting at a minimum of 11°C (53°F) and soaring to an average of 23°C (75°F), with maximums reaching a sweltering 36°C (97°F). This month sees significantly higher rainfall, with 190 mm (7.5 in) spread over 17 days, and humidity increases to 86%. For a more detailed look at the climate in May, you can visit Nanchang weather in May.

In comparing the weather of December and June, it is evident that these two months present strikingly different climates. December enjoys mild temperatures with a minimum of -2°C (28°F) and an average of 9°C (48°F), while June boasts much warmer conditions, starting at a minimum of 18°C (65°F) and averaging around 27°C (80°F). Precipitation levels also differ significantly, with December receiving only 46 mm (1.8 in) over about 7 days, in contrast to June's substantial 305 mm (12.0 in) spread across approximately 20 days, indicating a much wetter month. Additionally, humidity is higher in June at 86%, compared to December's 79%. For a more detailed look at June's weather, you can check Nanchang weather in June.

In December, the weather tends to be cool and moderately wet, with temperatures ranging from a chilly -2°C (28°F) to a comfortable 24°C (75°F) and an average of 9°C (48°F). This month sees about 46 mm (1.8 in) of precipitation spread over 7 days, while humidity levels hover around 79%. In stark contrast, July experiences much warmer conditions, with temperatures stretching from a minimum of 21°C (71°F) to a scorching maximum of 39°C (102°F), averaging at 30°C (85°F). The month is significantly wetter, receiving 231 mm (9.1 in) of rainfall over about 14 days, accompanied by high humidity levels of 90%. For more detailed information, you can check Nanchang weather in July.

December and August present stark contrasts in weather. December experiences cooler temperatures, with a minimum of -2°C (28°F) and an average high of 24°C (75°F), alongside relatively low precipitation of 46 mm (1.8 in) over 7 days and a humidity level of 79%. In contrast, August is marked by warmer conditions, where temperatures range from a minimum of 23°C (73°F) to a scorching maximum of 38°C (100°F). Precipitation during this month is more significant at 85 mm (3.3 in), occurring over 12 days, and humidity is slightly higher at 86%. The differences highlight the transition from winter chill to summer heat in the region. For more details, you can check Nanchang weather in August.

In December, temperatures in Nanchang range from a chilly minimum of -2°C (28°F) to a pleasant maximum of 24°C (75°F), with an average temperature of 9°C (48°F). The month sees about 46 mm (1.8 in) of precipitation over approximately 7 days, contributing to a relatively high humidity level of 79%.

In contrast, September experiences much warmer conditions, with temperatures fluctuating between a minimum of 17°C (63°F) and a scorching maximum of 37°C (99°F), averaging around 27°C (80°F). The month is also wetter, with about 70 mm (2.8 in) of precipitation over 8 days, but a slightly lower humidity level of 73%.

For more detailed information, you can check Nanchang weather in September.

In comparing the weather between December and October, we see notable differences in temperature and precipitation. December experiences cooler temperatures, with a minimum of -2°C and an average of 9°C, compared to October's warmer minimum of 8°C and an average of 20°C. While both months see a fair amount of rainfall, December has slightly higher precipitation at 46 mm over 7 days compared to October's 33 mm over 6 days. Additionally, December has a higher humidity level of 79%, whereas October maintains a more comfortable level at 73%. For a detailed look at October's climate, visit Nanchang weather in October.

In comparing the weather between November and December, December experiences a notable drop in temperatures with a minimum of -2°C (28°F) and an average of 9°C (48°F), compared to November's milder lows of 4°C (40°F) and an average of 15°C (59°F). While both months see a similar frequency of precipitation, December has slightly less rainfall, totaling 46 mm (1.8 in) across 7 days, compared to November's 53 mm (2.1 in) over 8 days. Additionally, humidity remains relatively high in both months, with December at 79% and November at 80%, contributing to a cooler and more damp climate as the year closes. For more details about November weather, you can visit Nanchang weather in November.

Compare Nanchang's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Nanchang

As December sets in, Nanchang's weather takes on a distinct character, inviting a refreshing shift from the milder autumn months. The temperature fluctuates between cool days and notably chilly nights, with an average hovering around 9°C. This month stands out with its increased humidity, often reaching 79%, making the air feel crisper. Although the city experiences a modest amount of precipitation with about seven rainy days, these short-lived showers are a welcome contrast to the drier weeks of previous months. For those planning to visit or simply curious about the region, you can explore more detailed insights at Nanchang Climate.