December Weather in Jiujiang, China

Last updated: August 21, 2025

December in Jiujiang, China presents a cool and crisp climate, with maximum temperatures peaking at 18°C (65°F) and dipping to a chilly minimum of -5°C (23°F). The average temperature settles around a brisk 6°C (43°F), making layered clothing a necessity for comfort. Throughout the month, the city experiences 53 mm (2.1 in) of precipitation, spread across approximately 10 days, contributing to a humidity level of 75%. This blend of cool temperatures and moisture creates a unique ambiance, perfect for enjoying the serene winter scenery.

December Temperature in Jiujiang

As December settles in Jiujiang, China, the temperatures begin to reflect the winter chill, with the minimum dipping to -5°C (23°F), providing a stark contrast to the milder months preceding it. The average temperature rests at a brisk 6°C (43°F), inviting cozy layers and warm beverages. Daytime highs reach up to 18°C (65°F), allowing for occasional mild afternoons. This month marks a noticeable shift from the moderate temperatures of November, where averages hovered around 11°C (53°F), heralding the arrival of true winter. With the shift in temperature, Jiujiang transforms into a landscape that beckons both locals and visitors to embrace the season’s unique charm, from misty mornings to clear, crisp nights.

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

The chart illustrates December temperature patterns in Jiujiang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiujiang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394352606874797972615243
Data source: Temperature data for Jiujiang 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 Jiujiang

December in Jiujiang, China, marks a notable transition as precipitation levels dip to 53 mm (2.1 in), making it one of the driest months of the year. This decrease aligns with a general downward trend in rainfall as the year comes to a close, with December receiving rainfall on only 10 days compared to the earlier months that averaged around 19 to 20 days of precipitation. The contrast with the wetter months of May and June, which deliver over 280 mm (11 in), highlights a significant seasonal shift. As the landscape braces for winter, the reduced precipitation fosters a sense of calm in the region, wrapping up the year with a quieter, more serene weather pattern.

December Precipitation Trends in Jiujiang

The chart displays monthly precipitation patterns in Jiujiang, 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 Jiujiang, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec67961731752922812112031841028753
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Jiujiang

As December arrives in Jiujiang, China, a noticeable shift in humidity occurs, with levels averaging around 75%. This marks a gradual decline from the peak — a sultry 88% experienced in July. The year begins with a relatively low 67% in January, but humidity steadily rises through the spring months, reaching a high of 86% in May and June. However, as autumn rolls in, there's a slight reprieve, with September and October seeing drops to 71% and 74% respectively. By December, humidity stabilizes at a comfortable level, suggesting a transition towards drier winter months while still retaining a hint of the earlier seasonal warmth.

December Average Humidity in Jiujiang

This chart illustrates the average monthly humidity levels in Jiujiang, 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 Jiujiang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec68%73%84%82%86%86%88%85%71%74%85%75%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Jiujiang

As the year comes to a close, December in Jiujiang, China, presents a notable shift in UV Index levels, dropping to 5, which falls under the moderate exposure category. This decrease offers a reprieve from the intense sun exposure experienced in the summer months, where UV Index values soared to 13 in July. Throughout the preceding months, the region faced extreme levels of UV radiation, with burn times as short as 10 minutes. In contrast, December allows for 30 minutes of safe outdoor enjoyment before the potential risk of sunburn begins, illustrating a clear trend of diminishing UV intensity as winter approaches. To stay informed about UV levels throughout the year, visit Jiujiang UV Index.

Maximum UV Index Levels in Jiujiang for December

The chart shows the monthly maximum UV Index (UVI) for Jiujiang 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 Jiujiang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec689111212131211975
Data source: Jiujiang 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 Jiujiang

In December, Jiujiang, China, experiences a gentle transition as it bids farewell to autumn and welcomes winter, boasting approximately 156 hours of sunshine. This month slightly tapers off compared to the bright days of late summer, where sunlight peaks at 302 hours in August. As the year progresses, we observe a clear pattern: sunlight hours steadily increase from January's modest 113 hours to a summer zenith before cooling down in the final months. Notably, despite December's reduced light, the month still offers more sunshine than the chilly beginnings of the year, illustrating the city's gradual seasonal shift. As Jiujiang embraces the cooler weather, residents can still look forward to sunny smiles amidst the crisp air.

Monthly Sunshine Duration in Jiujiang: December Highlighted

The December sunshine duration represents the total number of hours Jiujiang 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.
JanFebMarAprMayJunJulAugSepOctNovDec113h152h165h179h235h243h289h302h212h162h162h156h
Data source: Jiujiang December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jiujiang During December

In December, Jiujiang, China experiences a 40% chance of sunny weather, making it one of the more favorable months for sun seekers as the year draws to a close. This slight uptick from the typical overcast skies seen in earlier months highlights a gradual transition towards clearer days, especially compared to the preceding months like November, which boasts a 34% chance. As we analyze the seasonal trends, it’s clear that while winter has its share of grey days, December stands out with a promising chance of sunshine, offering a pleasant reprieve from the gloom of earlier fall and winter months. This moderate likelihood of sun makes December a captivating time for outdoor activities, as residents and visitors alike hope to bask in the waning warmth of the year.

Percentage of Sunny Days in December in Jiujiang

The chart illustrates the percentage of sunny days in Jiujiang 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 Jiujiang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%25%15%9%19%15%24%26%51%26%34%41%
Data source: Jiujiang December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jiujiang in December

In Jiujiang, China, the daylight duration experiences a rhythmic ebb and flow throughout the year. Starting with 10 hours in January and December, daylight gradually increases to peak at a robust 13 hours from May to August, offering vibrant and long summer days. As autumn arrives, the daylight begins to wane, dipping back to 12 hours in September before returning to 11 hours in October and November. This cyclical pattern highlights a clear trend of lengthening days in spring and summer, followed by a gentle retreat into shorter daylight hours as winter approaches, making Jiujiang's seasonal transitions both visually stunning and rich in variation.

Average Daylight Hours in Jiujiang for December

The chart illustrates the variation in daylight duration in Jiujiang throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 33m11h 10m11h 59m12h 50m13h 32m13h 53m13h 42m13h 6m12h 17m11h 27m10h 44m10h 22m
Data source: Jiujiang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Jiujiang

As December settles in Jiujiang, the weather reflects a gentle calm with an average wind speed of 1.7 m/s (4 mph), slightly dipping from the higher gusts of autumn. This subtle decrease parallels a seasonal trend where wind speeds consistently show a moderate pattern throughout the year, with a gradual increase peaking in the summer months. Notably, July and October stand out with stronger breezes of 2.1 m/s (5 mph), suggesting that the summer and early autumn months bring more lively atmospheric movements. December, however, brings a serene close to the year, inviting a hushed tranquility that mirrors the city's winter landscape. This cyclical variation not only enhances the charm of Jiujiang but also reflects the nuanced dance of nature's breath that guides each season.

Average December Wind Speed in Jiujiang

The chart displays monthly wind speed patterns in Jiujiang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.81.71.91.81.81.82.11.92.02.11.61.7 m/s
Data source: Jiujiang December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Jiujiang Compares to Other Months

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

In December, temperatures range from a chilly minimum of -5°C (23°F) to a comfortable maximum of 18°C (65°F), with an average of 6°C (43°F). The month experiences about 53 mm (2.1 in) of precipitation over approximately 10 days, accompanied by a higher humidity of 75%. In contrast, January sees even colder conditions with a minimum temperature dropping to -9°C (16°F) and an average of 4°C (39°F), while the maximum temperature is slightly lower at 17°C (64°F). Precipitation increases to 67 mm (2.7 in) over 11 days, and humidity decreases to 67%. For more detailed information on January weather specifics, you can visit Jiujiang weather in January.

In December, temperatures range from a chilly minimum of -5°C (23°F) to a mild maximum of 18°C (65°F), with an average of 6°C (43°F). The month sees about 53 mm (2.1 in) of precipitation over 10 days, with humidity levels around 75%. In contrast, February experiences slightly warmer temperatures, with a minimum of -3°C (26°F) and a maximum of 24°C (76°F), while still maintaining the same average of 6°C (43°F). However, February is generally wetter, receiving 96 mm (3.8 in) of rain over 15 days, accompanied by a slightly lower humidity of 73%. For more details on February weather, you can check this link: Jiujiang weather in February.

December and March display a noticeable shift in weather conditions. In December, temperatures range from a chilly minimum of -5°C (23°F) to a maximum of 18°C (65°F), with an average temperature of 6°C (43°F). Precipitation is relatively low at 53 mm (2.1 in) over about 10 days, and humidity hovers around 75%. In contrast, March brings milder temperatures, with minimums at 3°C (37°F) and maximums soaring to 29°C (85°F), averaging 11°C (52°F). However, it also sees significantly increased precipitation of 173 mm (6.8 in) spread across 20 days and a higher humidity of 84%. For more detailed information about the weather during this month, you can visit Jiujiang weather in March.

December and April present contrasting weather patterns. In December, temperatures range from a chilly -5°C (23°F) to a mild 18°C (65°F), with an average of 6°C (43°F). This month sees around 53 mm (2.1 in) of precipitation spread across 10 days and humidity levels at 75%. On the other hand, April ushers in much warmer temperatures, with a minimum of 6°C (43°F) and a peak of 31°C (89°F), averaging at 15°C (60°F). The month is significantly wetter, with precipitation reaching 175 mm (6.9 in) over 19 days and humidity at a higher 82%. For more details, check out Jiujiang weather in April.

In December, the weather is significantly cooler with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 18°C (65°F), averaging around 6°C (43°F). The month sees about 53 mm (2.1 in) of precipitation over 10 days, accompanied by a humidity level of 75%. In contrast, May experiences much warmer temperatures, with a minimum of 9°C (48°F) and a maximum of 32°C (91°F), resulting in an average temperature of 20°C (68°F). Additionally, May has a much higher precipitation level of 292 mm (11.5 in) spread over 20 days and an increased humidity of 86%. For more detailed insights into May's climate, you can visit Jiujiang weather in May.

In December, the weather presents a much cooler climate, with temperatures ranging from a low of -5°C (23°F) to a maximum of 18°C (65°F) and an average of 6°C (43°F). The month sees moderate precipitation at 53 mm (2.1 in) over about 10 days, along with a humidity level of 75%. In contrast, June boasts a significantly warmer atmosphere, with temperatures fluctuating from a minimum of 14°C (57°F) to a peak of 33°C (92°F), averaging 23°C (74°F). However, it does bring higher precipitation, totaling 281 mm (11.1 in) across 20 days and a humidity level of 86%. To explore more about June's weather specifics, you can read Jiujiang weather in June.

December and July present stark contrasts in weather. In December, temperatures range from a chilly minimum of -5°C (23°F) to a mild maximum of 18°C (65°F), averaging around 6°C (43°F). The month sees about 53 mm (2.1 in) of precipitation over 10 days, coupled with a humidity level of 75%. In contrast, July boasts much warmer conditions, with temperatures swinging from a minimum of 17°C (63°F) to a scorching maximum of 37°C (99°F), averaging 26°C (79°F). It also experiences significantly higher precipitation, totaling 211 mm (8.3 in) over 19 days, and increased humidity at 88%. For more detailed insights into July weather, you can refer to Jiujiang weather in July.

December and August present strikingly different weather patterns. In December, temperatures range from a chilly -5°C (23°F) to a mild 18°C (65°F), with an average of 6°C (43°F). This month sees about 53 mm (2.1 in) of precipitation over approximately 10 days, accompanied by a humidity level of 75%. In contrast, August boasts much warmer temperatures, with minimums of 18°C (65°F) and maximums reaching a sweltering 36°C (97°F), averaging around 26°C (79°F). Rainfall is significantly higher, totaling 202 mm (8.0 in) over 18 days and a humidity of 85%. For more detailed information, check out this link: Jiujiang weather in August.

In comparing the weather of December and September, it's clear that both months present distinct climates. December experiences much cooler temperatures, with a minimum of -5°C (23°F) and an average of 6°C (43°F), while September enjoys warmer conditions, with temperatures ranging from a minimum of 14°C (58°F) to a maximum of 34°C (94°F). Precipitation differs significantly as well, with September receiving 184 mm (7.2 in) over 16 days, compared to December's more moderate 53 mm (2.1 in) across 10 days. Humidity levels hover around 75% in December and 71% in September, making both months feel quite different. For more detailed information, you can visit Jiujiang weather in September.

In comparing the weather of December and October, December presents a significant drop in temperature, with minimums plummeting to -5°C (23°F) and averages around 6°C (43°F). In contrast, October enjoys milder conditions, boasting minimums of 7°C (46°F) and average highs of 16°C (61°F). While December experiences less precipitation at 53 mm (2.1 in) over 10 days, October is considerably wetter, accumulating 102 mm (4.0 in) across 13 days. Humidity levels remain similar in both months, hovering around 75% in December and 74% in October. For more detailed insights on October weather, you can check Jiujiang weather in October.

In comparing the weather between December and November, December tends to be cooler with an average temperature of 6°C (43°F), while November sees a milder average of 11°C (53°F). The maximum temperature in December peaks at 18°C (65°F), which is lower than November's maximum of 27°C (81°F). Additionally, December experiences slightly less precipitation, totaling 53 mm (2.1 in) over 10 days compared to November's 87 mm (3.4 in) over 12 days. Humidity remains high in both months, but is slightly lower in December at 75% compared to November's 85%. For more detailed information on November weather, you can visit Jiujiang weather in November.

Compare Jiujiang's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Jiujiang

As December arrives in Jiujiang, the weather shifts notably from the warmer months. With average temperatures dipping to a cooler 6°C, residents experience a blend of chill and occasional mild days, capped at 18°C. The month also sees an uptick in precipitation, with rain making its presence felt over about a third of the days—even as humidity rests at a significant 75%. This combination fosters a distinctive atmosphere, perfect for cozy indoor gatherings or exploring the picturesque landscapes wrapped in winter’s embrace. For a more detailed insight into what to expect, check out Jiujiang Climate.