December Weather in Changzhou, China

Last updated: August 21, 2025

In December, Changzhou, China experiences a mild climate, with maximum temperatures reaching 29°C (85°F) and an average of 17°C (63°F), while the minimum dips to 7°C (45°F). This month's weather is characterized by a moderate humidity level of 69%, creating a comfortable atmosphere for outdoor activities. Rainfall is minimal, with only 20 mm (0.8 in) expected over three days, allowing for plenty of opportunities to explore the city's enchanting winter landscapes. Whether you're enjoying the crisp air or the vibrant city life, December in Changzhou offers a delightful blend of seasonal charm.

December Temperature in Changzhou

As December arrives in Changzhou, China, temperatures begin to drop, marking a shift towards the cooler months. The daily minimum temperature settles around 7°C (45°F), while daytime averages reach a comfortable 17°C (63°F), peaking at a pleasant 29°C (85°F) during the warmest afternoons. This transition from the milder November, with its average of 22°C (71°F), showcases a clear cooling trend as winter approaches. The gradual decline in temperatures invites locals and visitors alike to embrace cozy attire and warm gatherings, enjoying the crispness of the season before the chill deepens in January.

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

The chart illustrates December temperature patterns in Changzhou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Changzhou, 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).
JanFebMarAprMayJunJulAugSepOctNovDec616270748184868483777163
Data source: Temperature data for Changzhou 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 Changzhou

In Changzhou, China, December typically ushers in a significant drop in rainfall, with precipitation averaging only 20 mm (0.8 in) over a mere three days. This pattern contrasts sharply with the torrential downpours seen in the summer months, such as June, which boasts a staggering 413 mm (16.3 in) of rain across 25 days. As the year winds down, the region experiences a gradual transition to drier conditions, with November already hinting at this shift with a mere 23 mm (0.9 in) of rain over five days. Such trends reflect a seasonal ebb, marking December as a time of relative dryness, allowing for a brief respite before the precipitation returns in the following months.

December Precipitation Trends in Changzhou

The chart displays monthly precipitation patterns in Changzhou, 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 Changzhou, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2658107149246413212327207962320
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Changzhou

In December, humidity in Changzhou, China, typically sits at around 69%. This marks a slight decline from the peak summer months of July and August, where humidity levels soar to 88%. Overall, the trend throughout the year showcases a gradual rise in humidity leading up to the summer, with levels peaking in late summer before tapering off in the cooler months. Notably, the transition from November's 64% to December’s 69% indicates a subtle increase, suggesting that while winter approaches, the air still retains a touch of moisture. As the year comes to a close, Changzhou experiences a blend of cool air mixed with the season's lingering humidity, creating a unique atmospheric condition during this month.

December Average Humidity in Changzhou

This chart illustrates the average monthly humidity levels in Changzhou, 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 Changzhou is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%68%73%71%79%77%88%88%75%65%64%69%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Changzhou

As the year winds down, December in Changzhou, China, presents a notable shift in UV exposure. With a UV Index of 7, the exposure category is classified as high, allowing for a more moderate burn time of 25 minutes. This reduction in UV intensity marks a downward trend from the extreme levels experienced during the summer months, where indices peaked at 13 in both June and July. Consequently, December offers an opportunity for sunseekers to enjoy outdoor activities with relatively less risk of sunburn compared to earlier months. For a detailed understanding of the UV index throughout the year, check out Changzhou UV Index.

Maximum UV Index Levels in Changzhou for December

The chart shows the monthly maximum UV Index (UVI) for Changzhou 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 Changzhou typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79121213131313121097
Data source: Changzhou 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 Changzhou

In Changzhou, China, December shines brightly with 251 hours of sunshine, contributing to a delightful close to the year. This figure reflects a consistent trend of abundant sunlight, particularly as the month follows November's 243 hours. Notably, the sun graces the city most generously during the peak of summer, with July standing out at an impressive 302 hours. As the seasons transition, the sunshine remains relatively stable, with December’s totals showcasing a strong finish compared to early winter months. The gradual decrease in sunlight from the summer months, yet retaining over 250 hours in December, highlights Changzhou's favorable climate, making it an inviting destination even in the winter months.

Monthly Sunshine Duration in Changzhou: December Highlighted

The December sunshine duration represents the total number of hours Changzhou 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.
JanFebMarAprMayJunJulAugSepOctNovDec197h220h219h214h272h250h302h272h272h267h243h251h
Data source: Changzhou December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Changzhou During December

In Changzhou, China, the likelihood of sunny weather in December stands at 51%, marking a noticeable dip compared to the earlier months. While both January and February enjoy higher probabilities of sunshine at 61% and 59% respectively, December presents a more subdued but still promising outlook. The transition from autumn reflects a significant decrease in sunny days, with March plummeting to 30%, demonstrating how winter influences the local climate. However, as December approaches, there's a comfortable balance between sunshine and cloud cover, offering residents and visitors alike a reasonable chance to enjoy clear skies. Despite the challenges posed by the colder months, December stands out as a solid option for those seeking some winter sunlight.

Percentage of Sunny Days in December in Changzhou

The chart illustrates the percentage of sunny days in Changzhou 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 Changzhou experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%59%30%31%26%10%31%14%42%35%60%51%
Data source: Changzhou December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Changzhou in December

In Changzhou, China, the daylight duration experiences a rhythmic pattern throughout the year, peaking in the warmer months. January and December see the shortest days, each offering just 10 hours of daylight, as winter casts its shadow over the region. As the seasons transition into spring, daylight gradually increases, reaching a comfortable 13 hours from May to July, allowing for more outdoor activities and vibrant life. The progression continues with 12 hours of daylight in August and a gentle decline through the fall months of September and October, settling back to 11 hours in November. This cyclical change not only marks the passage of the seasons but also highlights the vibrant contrast between the longer, sun-drenched summer days and the shorter, tranquil winter ones.

Average Daylight Hours in Changzhou for December

The chart illustrates the variation in daylight duration in Changzhou throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 52m11h 22m12h12h 41m13h 14m13h 31m13h 22m12h 53m12h 15m11h 35m11h 1m10h 43m
Data source: Changzhou daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Changzhou

As December settles over Changzhou, the city experiences a gentle average wind speed of 2.9 m/s (6 mph), maintaining a refreshing breeze that lingers through the crisp winter air. This slight uptick from the preceding months suggests an intriguing trend as the year closes out; while wind speeds dip notably during the summer months, December offers a pleasant reprieve reminiscent of early fall. Notably, after a peak in October at 3.4 m/s (8 mph), the wind's consistency emerges as a staple for the season, indicating a balance between the calm of late autumn and the onset of winter. Such trends in wind patterns not only enhance the charm of Changzhou’s December but also invite residents and visitors alike to embrace the season’s serene beauty.

Average December Wind Speed in Changzhou

The chart displays monthly wind speed patterns in Changzhou, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.82.32.72.52.72.62.32.01.63.42.82.9 m/s
Data source: Changzhou December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Changzhou Compares to Other Months

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

December and January exhibit similar climates, though some differences are notable. In December, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (85°F), with an average of 17°C (63°F) and a relatively humid atmosphere at 69%. January, conversely, sees a slight decrease in temperatures, with a minimum of 4°C (39°F), an average of 16°C (62°F), and a maximum of 28°C (83°F). January also experiences a higher level of precipitation at 26 mm (1.0 in) over three days compared to December's 20 mm (0.8 in). While both months have the same number of rainy days, January tends to feel a bit cooler and drier overall. For more detailed information, check out Changzhou weather in January.

In December, the weather features a comfortable average temperature of 17°C (63°F), with daytime highs reaching up to 29°C (85°F) and nighttime lows around 7°C (45°F). This month experiences relatively low precipitation, totaling 20 mm (0.8 in) over just 3 days, along with moderate humidity at 69%.

In contrast, February also maintains an average temperature of 17°C (62°F) but sees slightly cooler nights with a minimum of 5°C (41°F). The month is wetter, with 58 mm (2.3 in) of precipitation, occurring over 8 days, and the humidity level remains similar at 68%. For more detailed insights, you can explore Changzhou weather in February.

December and March present notable differences in weather patterns. In December, temperatures range from a minimum of 7°C (45°F) to a maximum of 29°C (85°F), with an average of 17°C (63°F), and generally less precipitation, totaling just 20 mm (0.8 in) over about 3 days. Humidity levels are moderate at 69%. In contrast, March sees warmer conditions, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 31°C (88°F) and an average of 21°C (70°F). However, March is significantly wetter, receiving 107 mm (4.2 in) of rain spread over 15 days, along with slightly higher humidity at 73%. For more detailed information, you can visit Changzhou weather in March.

In December, the weather is generally mild, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (85°F) and an average of 17°C (63°F). The month experiences low precipitation, with only about 20 mm (0.8 in) over 3 days, and humidity sits at a comfortable 69%.

In contrast, April brings warmer conditions, featuring temperatures that range from a minimum of 12°C (54°F) to a maximum of 33°C (92°F) and an average of 23°C (74°F). However, it is significantly wetter, with precipitation amounting to 149 mm (5.9 in) spread over 14 days, while humidity increases slightly to 71%. For more detailed information about the weather in April, you can refer to Changzhou weather in April.

The weather in December tends to be relatively mild, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (85°F), coupled with low precipitation of just 20 mm (0.8 in) over about three days. In contrast, May experiences significantly warmer temperatures, with a minimum of 15°C (60°F) and a peak of 36°C (97°F), and much higher rainfall totaling 246 mm (9.7 in) across approximately 22 days. The humidity also rises in May to 79%, compared to December's 69%, making the latter month feel more comfortable overall. For more details on the weather trends during this time, you can check out Changzhou weather in May.

When comparing the weather in December and June, the differences are striking. December enjoys a milder climate with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 29°C (85°F), averaging around 17°C (63°F). This month typically sees low precipitation levels, with only 20 mm (0.8 in) spread over just 3 days, and humidity hovering around 69%. In stark contrast, June brings much warmer conditions, with temperatures soaring between 24°C (75°F) and 36°C (97°F), averaging 29°C (84°F). It also experiences significant rainfall, amounting to 413 mm (16.3 in) over 25 days, with humidity increasing to 77%. For further details, you can check Changzhou weather in June.

When comparing December and July weather, the differences are striking. December offers milder temperatures, ranging from a minimum of 7°C (45°F) to a maximum of 29°C (85°F), with an average of 17°C (63°F) and relatively low precipitation of 20 mm (0.8 in) over just 3 days. In sharp contrast, July experiences much hotter weather, with temperatures soaring between a minimum of 25°C (77°F) and a maximum of 37°C (100°F), averaging around 30°C (86°F). Additionally, July sees significantly higher rainfall, with 212 mm (8.3 in) over 23 days, making it much more humid at 88%. For further details, check Changzhou weather in July.

December and August in Changzhou present a stark contrast in weather conditions. In December, temperatures range from a mild 7°C (45°F) at night to a comfortable 29°C (85°F) during the day, with just a modest amount of precipitation at 20 mm (0.8 in) and only three rainy days. In contrast, August sees much higher temperatures, with nighttime lows around 25°C (76°F) and daytime highs soaring to 38°C (101°F). The month is characterized by heavy rainfall, accumulating to 327 mm (12.9 in) spread over 26 days and significantly higher humidity levels at 88%. These differences highlight December's cooler, drier climate compared to the hot and humid weather typical of August. For more detailed information, refer to Changzhou weather in August.

In comparing the weather patterns of December and September, it's clear that December experiences milder temperatures, with a minimum of 7°C (45°F) and an average of 17°C (63°F), compared to September's warmer minimum of 21°C (71°F) and average of 29°C (84°F). While December is relatively dry with just 20 mm (0.8 in) of precipitation over 3 days, September is characterized by significant rainfall, receiving 207 mm (8.1 in) across 21 days. Additionally, the humidity is slightly lower in December at 69% compared to September's 75%. For a more detailed look at September's weather, you can visit Changzhou weather in September.

In comparing the weather between December and October, we see distinct differences in temperature and precipitation. December experiences cooler temperatures, with minimums dipping to 7°C (45°F) and average highs of 29°C (85°F), while October boasts much warmer averages, ranging from 16°C (62°F) at night to a sweltering maximum of 35°C (95°F) during the day. Additionally, October is notably wetter, with a substantial 96 mm (3.8 in) of rainfall observed over 9 days, compared to just 20 mm (0.8 in) over 3 days in December. Humidity levels are relatively similar, with December at 69% and October slightly lower at 65%. For more specifics, you can explore Changzhou weather in October.

In comparing the weather of December and November, December experiences slightly cooler temperatures, with a minimum of 7°C (45°F) and an average of 17°C (63°F), while November boasts warmer conditions with minimums around 12°C (54°F) and an average of 22°C (71°F). November also sees higher maximum temperatures, reaching up to 31°C (88°F), compared to December's maximum of 29°C (85°F). Additionally, November has more days of precipitation, occurring over 5 days with a total of 23 mm (0.9 in), compared to December's 3 days of rain and 20 mm (0.8 in) of precipitation. The humidity levels are relatively similar, with December at 69% and November at 64%. For a more detailed look, you can check out Changzhou weather in November.

Compare Changzhou's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Changzhou

As December rolls into Changzhou, the weather begins to cool significantly compared to previous months, bringing a refreshing transition marked by milder temperatures and increased humidity. With an average temperature of 17°C (63°F), this month offers a comfortable respite from the heat, though it can still reach highs of 29°C (85°F) on warmer days. December is notably drier with only a few days of precipitation, resulting in a crisp atmosphere that contrasts sharply with the humid summers. The shift in weather offers a unique charm as the year winds down, making it an ideal time for enjoying the seasonal landscape. For more detailed insights about the weather patterns throughout the year, visit Changzhou Climate.