December Weather in Changzhou, China

Last updated: August 21, 2025

In December, Changzhou, China, experiences a notable variation in weather, with maximum temperatures reaching 28°C (83°F), while average temperatures hover around a cool 15°C (59°F). Minimum temperatures can dip to 4°C (39°F), offering a refreshing chill to the air. This month sees 32 mm (1.3 in) of precipitation across six days, with humidity averaging at a comfortable 66%. As the year draws to a close, residents and visitors alike can enjoy brisk days, making it ideal for engaging in outdoor activities or festive explorations.

December Temperature in Changzhou

As December settles in Changzhou, the city experiences a notable shift towards cooler temperatures, with minimums averaging around 4°C (39°F). While the chill is palpable, the average temperature remains a comfortable 15°C (59°F), offering a reprieve from the sweltering summer months. Evenings can feel brisk, but daytime highs still reach approximately 28°C (83°F), revealing a hint of warmth that lingers from the autumn. This transitional period marks a gradual descent from the mild November, which showcased more temperate conditions. Overall, December in Changzhou embodies a unique blend of cool freshness, setting the stage for the winter months ahead, while still retaining vestiges of the warmer seasons.

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).
JanFebMarAprMayJunJulAugSepOctNovDec575967727983858483756859
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

December in Changzhou, China, marks the onset of a drier spell as precipitation begins to taper off, with only 32 mm (1.3 in) of rainfall recorded over 6 days. This reduction follows a significant wet season from June to August, where the city experienced its peak rainfall, exceeding 200 mm in both July and August. As the year draws to a close, December joins January and November as one of the driest months, emphasizing a striking contrast to the abundant rainfall seen in the spring and early summer months. The trend indicates a shift towards cooler, lighter precipitation, painting a tranquil winter landscape in this vibrant city.

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.
JanFebMarAprMayJunJulAugSepOctNovDec38101177194202264150203120823832
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Changzhou

In Changzhou, China, December experiences a moderate humidity level of 66%, a slight dip from the high summer months that peak in July and August at 87% and 88%, respectively. As the year transitions from the sweltering heat of summer into the cooler winter, the humidity gradually retreats from its peaks but remains significantly higher than the earlier months of the year, with January starting at 59%. This trend highlights a notable increase in humidity during the late spring and summer, followed by a gentle decline towards the cold season, culminating in December's comfortable yet noticeably humid environment. Overall, December’s humidity continues to reflect the region's climate transition while still providing a hint of warmth as the year draws to a close.

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.
JanFebMarAprMayJunJulAugSepOctNovDec59%64%65%62%76%76%88%88%72%63%62%66%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Changzhou

As December rolls into Changzhou, China, the UV Index begins to recede, dropping to a moderate level of 7. This change marks a shift from the previous months of extreme exposure, where sun seekers faced burn times as low as 10 minutes. In December, with a burn time of 25 minutes, residents can enjoy the outdoors with a bit more ease, though caution is still advised due to the high exposure category. This seasonal trend shows a gradual decline from the summer peaks of UV Index 13 in July and August, reminding us to be mindful of sun safety year-round. For more details on monthly trends, check out the 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.
JanFebMarAprMayJunJulAugSepOctNovDec79111213121313111087
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 December, Changzhou basks in a delightful 235 hours of sunshine, marking a cozy conclusion to the year. This month follows a trend of steadily decreasing sunlight as the seasons change, though it still manages to outshine the winter months, offering a bright escape with slightly more sunlight than November's 232 hours. The data reveals a significant upswing from the early months, where January sees only 172 hours. As the year progresses, the sun makes its presence felt, peaking in the sultry July with 306 hours. December's mild daylight can be a gentle reminder of the vibrant summer months, nestled amid the colder winter winds, making it a perfect time for a stroll outside to soak in the last rays of the year.

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.
JanFebMarAprMayJunJulAugSepOctNovDec172h202h183h204h272h261h306h293h285h258h232h235h
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 a promising 50%, mirroring the sunlit prospects of both January and February. As the year unfolds, a notable decline in sunny days is observed from March to June, dipping to a low of 14% in June. However, as autumn transitions into winter, the chances of sunshine begin to rebound; November sees a slightly higher likelihood at 52%, and December maintains this favorable trend. These patterns suggest that while the summer months may shy away from bright days, the tail end of the year holds a steady prospect for sun, making December a great time for outdoor activities in Changzhou.

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.
JanFebMarAprMayJunJulAugSepOctNovDec50%50%24%21%29%14%30%19%51%42%52%50%
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, December marks a transition as daylight dwindles to 10 hours, mirroring the shorter days of January and November. The trend throughout the year highlights a gradual increase in daylight from a modest 10 hours in the winter months to a peak of 13 hours during the vibrant summer. As spring approaches, daylight lengthens steadily, reaching a full 12 hours in both March and April. This rhythmic cycle underscores the region's seasonal climate, where the embrace of longer days in late spring and summer gives way to the cozy shorter days of winter, inviting both reflection and renewal as the year draws to a close.

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 51m11h 21m12h12h 41m13h 15m13h 32m13h 24m12h 54m12h 15m11h 34m10h 59m10h 42m
Data source: Changzhou daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Changzhou

In December, the winds in Changzhou calm down just slightly, with an average speed of 2.2 m/s (5 mph), mirroring conditions from January and November. This steadiness is part of a broader trend observed throughout the year, where wind speeds fluctuate gently, peaking only in October at 2.8 m/s (6 mph) before gradually subsiding into the winter months. The transition descends from an autumnal breeze to a winter lull, creating a tranquil atmosphere ideal for reflective strolls around the city's scenic spots. As the year draws to a close, the somewhat consistent winds encourage a peaceful end to the bustling year in Changzhou.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.21.92.11.91.91.91.81.61.42.82.22.2 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 in Changzhou exhibit mild temperatures, though January tends to be slightly cooler overall. In December, the minimum temperature hovers around 4°C (39°F) with an average of 15°C (59°F), while January sees a lower minimum of 2°C (35°F) and an average of 14°C (58°F). Both months experience similar maximum temperatures, peaking at 28°C (83°F) in December and 28°C (82°F) in January. Precipitation is slightly higher in January with 38 mm (1.5 in) over 7 days compared to December's 32 mm (1.3 in) over 6 days. Additionally, January has lower humidity levels at 59% compared to December's 66%. For more specific details, you can check Changzhou weather in January.

In comparing the weather between December and February, both months exhibit similar average temperatures, hovering around 15°C (59°F). However, December experiences slightly milder conditions with a minimum temperature of 4°C (39°F) and a maximum of 28°C (83°F), while February cools down slightly with a minimum of 2°C (35°F) and a maximum of 29°C (85°F). One notable difference is the increased precipitation in February, totaling 100 mm (4.0 in) over 11 days, compared to December's 32 mm (1.3 in) over just 6 days. This results in a relatively consistent humidity level of 66% in December and a marginally lower level of 64% in February. For more detailed information on February weather, you can check Changzhou weather in February.

In December, the weather tends to be milder with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), averaging around 15°C (59°F). Precipitation is relatively low, with only 32 mm (1.3 in) falling over about 6 days and humidity averaging 66%. In contrast, March experiences warmer temperatures, with a minimum of 8°C (46°F) and a maximum reaching 31°C (88°F), averaging 19°C (67°F). However, rain is more frequent in March, with a total precipitation of 177 mm (7.0 in) across approximately 20 days, while humidity remains fairly consistent at 65%. For more detailed information, check out Changzhou weather in March.

In December, the weather tends to be milder, with temperatures averaging around 15°C (59°F) and a maximum of 28°C (83°F), accompanied by relatively low precipitation of 32 mm (1.3 in) over about 6 days. In contrast, April experiences a notable increase in warmth, with average temperatures climbing to 22°C (72°F) and highs reaching up to 32°C (89°F). However, April is also much wetter, with 194 mm (7.6 in) of rainfall spread across 18 days, making it a significantly rainier month than December. For a detailed look at what to expect, check out Changzhou weather in April.

December and May present a stark contrast in weather conditions. In December, temperatures range from a mild minimum of 4°C (39°F) to a comfortable maximum of 28°C (83°F), with an average of 15°C (59°F). The month experiences relatively low precipitation, totaling 32 mm (1.3 in) over just six days, and humidity sits at 66%. In comparison, May is significantly warmer, with temperatures ranging from a minimum of 15°C (60°F) to a sizzling maximum of 35°C (96°F), averaging around 26°C (79°F). However, this month also sees increased rainfall, accumulating 202 mm (7.9 in) over 21 days, while humidity rises to 76%. For further details, check out Changzhou weather in May.

When comparing December and June weather, it's evident that these two months present stark contrasts. December experiences milder temperatures with a minimum of 4°C (39°F) and an average of 15°C (59°F), while June sees much warmer conditions, with a minimum of 21°C (70°F) and an average of 28°C (83°F). The precipitation levels also differ significantly; December has only 32 mm (1.3 in) of rain over about 6 days, while June is much wetter, receiving 264 mm (10.4 in) over 23 days. Furthermore, June tends to be more humid, with a humidity level of 76% compared to December’s 66%. For a detailed look at June weather in Changzhou, you can visit Changzhou weather in June.

In December, the weather is notably cooler, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), along with an average temperature of 15°C (59°F). Precipitation is relatively low at 32 mm (1.3 in) over just 6 days, creating a more comfortable atmosphere with a humidity level of 66%. In contrast, July brings much warmer conditions, with minimum temperatures of 24°C (75°F) and highs reaching 39°C (103°F). The average temperature sits at 29°C (85°F), and the month experiences significantly higher rainfall of 150 mm (5.9 in) over 19 days, coupled with higher humidity at 87%. This stark difference highlights December as a milder month compared to the hot and rainy July. For more details, check out Changzhou weather in July.

December and August present starkly contrasting weather conditions. In December, temperatures range from a cool minimum of 4°C (39°F) to a pleasant maximum of 28°C (83°F), averaging around 15°C (59°F). The month experiences relatively low precipitation, with only 32 mm (1.3 in) falling over six days, and the humidity sits at a moderate 66%. In sharp contrast, August boasts much warmer temperatures, with minimums around 24°C (75°F) and maximums soaring to 36°C (98°F), leading to an average of 29°C (84°F). This month is characterized by heavy rainfall, totaling 203 mm (8.0 in) over 22 days, coupled with high humidity levels at 88%. For more specifics on August weather, check out Changzhou weather in August.

In comparing the weather of December and September, distinct differences emerge. December experiences milder temperatures, with a minimum of 4°C and a maximum of 28°C, offering an average of 15°C. In contrast, September is much warmer, featuring a minimum of 20°C and soaring up to 38°C, with an average temperature of 28°C. Additionally, September sees significantly higher precipitation, with 120 mm over 15 days, compared to December's 32 mm over just 6 days. The humidity levels are also relatively high in both months, with September at 72% and December at 66%, but September’s warmth and increased rain make it feel more tropical. For more detailed insights into September's weather, check out Changzhou weather in September.

In December, the weather in Changzhou tends to be cooler compared to October, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), resulting in an average of 15°C (59°F). The month typically receives about 32 mm (1.3 in) of precipitation over approximately 6 days and maintains a humidity level of 66%. In contrast, October experiences warmer conditions, with temperatures ranging from a minimum of 13°C (56°F) to a maximum of 37°C (98°F) and an average of 24°C (75°F). This month also sees higher rainfall, totaling 82 mm (3.2 in) over about 9 days, coupled with a slightly lower humidity of 62%. For a detailed look at October weather, you can visit Changzhou weather in October.

In December, temperatures experience a notable drop, with minimums averaging 4°C (39°F) compared to November's higher minimum of 11°C (51°F). This shift reflects an overall cooler climate in December, where the average temperature is 15°C (59°F) versus November's more temperate 20°C (68°F). Additionally, December has a lower maximum temperature of 28°C (83°F), while November peaks at 31°C (89°F). Precipitation is somewhat less in December at 32 mm (1.3 in), with rainfall occurring over 6 days, compared to November's 38 mm (1.5 in) across 7 days. Interestingly, the humidity remains relatively high in both months, with December at 66% and November slightly lower at 62%. For more detailed information on November's weather, check Changzhou weather in November.

Compare Changzhou's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Changzhou

As December settles in Changzhou, the weather transforms into a cooler, relatively mild climate compared to the warmer months. With average temperatures hovering around a comfortable 15°C (59°F), the city experiences a shift from the heat, offering a refreshing respite. While occasional rain is expected, amounting to 32 mm over about 6 days, the humidity remains moderate at 66%, making the air feel crisp yet pleasant. This month marks a transition into winter, bringing with it cozy evenings and a chance to experience the city's enchanting winter scenery. For more insights on how the weather in December compares to other months, check out our detailed page on Changzhou Climate.