December Weather in Changchun, China

Last updated: August 21, 2025

December in Changchun, China presents a brisk winter landscape, with average temperatures settling around -12°C (11°F). Residents experience maximum highs of 7°C (45°F) and chilling lows plummeting to -27°C (-16°F). Amidst this frosty backdrop, the city sees a modest precipitation amount of 7 mm (0.3 in) over just one day, while the humidity hovers at 65%, adding to the crisp winter air. Embrace the enchanting yet biting cold of Changchun this December!

December Temperature in Changchun

In December, Changchun, China, ushers in the heart of winter, with temperatures plunging to a minimum of -27°C (-16°F) and an average chill hovering around -12°C (11°F). As the year draws to a close, the city experiences a typical winter landscape, where even the maximum temperature struggles to reach 7°C (45°F). This steep drop in temperatures from November highlights the transition into a colder season, making December one of the coldest months of the year. With the biting cold and low average temperatures, it's a time when residents embrace the winter spirit, cozying up indoors or engaging in seasonal festivities amid the frost.

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

The chart illustrates December temperature patterns in Changchun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Changchun, 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).
JanFebMarAprMayJunJulAugSepOctNovDec71433496270787363472811
Data source: Temperature data for Changchun 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 Changchun

In Changchun, China, December experiences a notable decrease in precipitation, with only 7 mm (0.3 in) of rainfall spread over just 1 day. This marks a significant decline from the summer months, where the city faces heavy downpours, particularly in July and August, when totals reach peaks of 148 mm (5.8 in) and 193 mm (7.6 in), respectively. As winter settles in, the dry conditions of December provide a sharp contrast to the earlier, wetter months of the year. Overall, the month contributes to a trend of decreasing precipitation as the seasons change, underscoring the seasonal variability characteristic of Changchun's climate.

December Precipitation Trends in Changchun

The chart displays monthly precipitation patterns in Changchun, 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 Changchun, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec56151555971481939823287
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Changchun

In Changchun, China, December ushers in a noticeable shift in humidity, dipping to 65% as winter approaches. This decrease marks a significant contrast to the highs experienced in the summer months, where humidity peaks in July and August at 87% and 88%, respectively. Following a gradual decline from the early fall, where moisture levels hover around 84%, December's lower humidity contributes to the refreshing crispness of the winter air. This trend underscores a seasonal transition in Changchun, moving from the muggy warmth of summer to the dry chill of winter, offering residents a stark but refreshing change as they prepare for the coming cold months.

December Average Humidity in Changchun

This chart illustrates the average monthly humidity levels in Changchun, 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 Changchun is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%72%65%64%70%80%87%88%84%84%69%65%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Changchun

As December settles in Changchun, China, residents can expect a low UV Index of 2, making it one of the safest months for sun exposure. With a burn time of 45 minutes, outdoor activities are less of a concern compared to the summer months, when levels peaked at a very high UV Index of 9 from June to August, requiring caution and protective measures. The trend throughout the year shows a clear transition from a moderate UV Index in the earlier months to significantly higher levels in spring and summer, before tapering back down as winter approaches. This seasonal shift highlights the importance of adapting sun protection strategies according to the UV Index. For more detailed information on UV trends, you can visit Changchun UV Index.

Maximum UV Index Levels in Changchun for December

The chart shows the monthly maximum UV Index (UVI) for Changchun 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 Changchun typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235789997432
Data source: Changchun 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 Changchun

In December, Changchun basks in 231 hours of sunlight, contributing to a gradual decline from the summer peak of 342 hours in July. This month acts as a gentle transition into winter, as shorter days carry a distinct charm, with the sun lingering more than somewhat less than autumn's 277 hours in September and 223 hours in November. Emphasizing a noteworthy trend, the city's December sunshine still surpasses January's chilly start of 196 hours, reminding residents that even in winter, the sun's presence can invigorate the spirit. As the year draws to a close, the lingering rays of December sunlight portend brighter days ahead.

Monthly Sunshine Duration in Changchun: December Highlighted

The December sunshine duration represents the total number of hours Changchun 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.
JanFebMarAprMayJunJulAugSepOctNovDec196h237h291h294h312h330h342h284h277h261h223h231h
Data source: Changchun December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Changchun During December

December in Changchun, China, marks a noteworthy transition in weather patterns, boasting a remarkable 72% chance of sunny days. This surge in sunshine sets it apart from the preceding months, where the likelihood of clear skies generally dips below 50%. Notably, this climatic oddity occurs as the temperature drops, creating a bright yet chilly environment. Following a trend of increasing sunlight from the cooler months of November and October, December’s sunny disposition indicates a delightful winter reprieve, making it a unique time for winter enthusiasts to enjoy the outdoors amidst the scenic landscapes of Changchun.

Percentage of Sunny Days in December in Changchun

The chart illustrates the percentage of sunny days in Changchun 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 Changchun experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec63%54%60%52%43%43%36%33%37%61%49%72%
Data source: Changchun December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Changchun in December

As December settles in Changchun, China, daylight slowly retreats, offering just 8 hours of light—a notable dip from the 9 hours seen in the preceding month. This reduction marks the culmination of a gradual decline that began after the peak of 15 hours during the summer months of June and July. The transition from long, sun-drenched days in late spring and summer to the shorter daylight of winter highlights the city’s cyclical rhythm of daylight. As the year progresses, residents experience a journey from vibrant, sunlit days in May, with 14 hours, to the twilight of December, urging the community to seek warmth and light indoors as nature hibernates.

Average Daylight Hours in Changchun for December

The chart illustrates the variation in daylight duration in Changchun throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 18m10h 27m11h 56m13h 26m14h 44m15h 23m15h 3m13h 55m12h 28m10h 58m9h 38m8h 57m
Data source: Changchun daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Changchun

As December arrives in Changchun, China, the winds whisper a gentle reminder of the season, with an average speed of 3.9 m/s (9 mph). This mild breeze is a subtle conclusion to the gradual increase in wind intensity that began in January, reaching a peak in May at 4.8 m/s (11 mph). Interestingly, the winds start to taper off in the summer months of July and August, dipping to 3.1 m/s (7 mph), only to pick up again in the fall. By the time December rolls around, the wind speed finds a comfortable balance, mirroring the cool, crisp atmosphere of winter while maintaining a sense of tranquility that perfectly encapsulates the beauty of the season in Changchun.

Average December Wind Speed in Changchun

The chart displays monthly wind speed patterns in Changchun, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.54.24.34.64.83.53.13.12.73.64.03.9 m/s
Data source: Changchun December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Changchun Compares to Other Months

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

In December, temperatures in Changchun fluctuate from a minimum of -27°C (-16°F) to a maximum of 7°C (45°F), with an average temperature of -12°C (11°F). The month sees minimal precipitation, accumulating only 7 mm (0.3 in) over the course of 1 day, and the humidity hovers around 65%. In contrast, January experiences even colder conditions, with temperatures dipping to a minimum of -30°C (-22°F) and a maximum of just 2°C (36°F), resulting in an average of -14°C (7°F). While January has slightly less precipitation at 5 mm (0.2 in) across the same one day, the humidity levels rise to 78%. For a more detailed look at the weather conditions in January, visit Changchun weather in January.

In December, temperatures in Changchun can dip as low as -27°C (-16°F) with an average of -12°C (11°F), peaking at a chilly 7°C (45°F). The month experiences minimal precipitation, averaging only 7 mm (0.3 in) over just a single day, while the humidity hovers around 65%. In contrast, February sees slightly milder conditions, with the minimum temperature still at -27°C (-16°F), but an average temperature rising to -10°C (14°F) and a maximum reaching 11°C (52°F). Precipitation remains low at 6 mm (0.2 in) across one day, but humidity increases to 72%. For a more detailed overview, visit Changchun weather in February.

December and March present stark contrasts in weather conditions. In December, temperatures can plunge to a minimum of -27°C (-16°F), with an average of -12°C (11°F), and a maximum reaching just 7°C (45°F). Precipitation is minimal, totaling only 7 mm (0.3 in) over just 1 day, while humidity sits at a steady 65%. In contrast, March sees a more moderate temperature range, with a minimum of -19°C (-3°F) and an average of 0°C (33°F), peaking at 22°C (72°F). Precipitation increases to 15 mm (0.6 in) across 4 days, maintaining the same humidity level of 65%. For more detailed information, you can check Changchun weather in March.

The weather in December exhibits frigid temperatures, with averages plunging to a minimum of -27°C (-16°F) and only reaching highs of 7°C (45°F). In contrast, April brings a significant warm-up, where temperatures range from a minimum of -7°C (19°F) to a pleasant maximum of 29°C (85°F), making it feel much milder and more inviting. While December sees limited precipitation with only 7 mm (0.3 in) over just one day, April experiences a slightly wetter condition with 15 mm (0.6 in) spread across three days. Humidity remains relatively consistent between the two months, with December at 65% and April at 63%. For a more detailed overview of April weather, visit Changchun weather in April.

In December, the weather is characterized by frigid temperatures, with lows reaching -27°C (-16°F) and an average of -12°C (11°F). Precipitation is minimal, totaling only 7 mm (0.3 in) across just one day, while the humidity hovers around 65%. In stark contrast, May brings much warmer conditions with temperatures ranging from a chilly 0°C (32°F) to a scorching maximum of 36°C (97°F), culminating in an average temperature of 17°C (62°F). This month sees a significant increase in precipitation, totaling 55 mm (2.2 in) over about eight days, and humidity levels rise slightly to 70%. For more details on the weather in May, visit Changchun weather in May.

December and June present strikingly different weather conditions. In December, temperatures plunge to a minimum of -27°C (-16°F), with an average of -12°C (11°F) and a maximum of 7°C (45°F). The month is characterized by low precipitation, receiving only 7 mm (0.3 in) over just a single day, and relative humidity sits at 65%. In contrast, June brings a much warmer climate, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 35°C (95°F), averaging around 21°C (70°F). This month sees significantly higher precipitation at 97 mm (3.8 in) over 13 days, and humidity rises to 80%. For a closer look at the June weather specifics, you can check out Changchun weather in June.

In December, Changchun experiences frigid temperatures, with minimums dropping to -27°C (-16°F) and average highs only reaching 7°C (45°F). The precipitation during this month is minimal, totaling just 7 mm (0.3 in) over a single day, along with a relative humidity of 65%. In stark contrast, July brings warm and humid weather, with temperatures ranging from a comfortable 13°C (56°F) at night to a scorching 35°C (95°F) during the day. July also sees significantly more precipitation, with 148 mm (5.8 in) spread across 14 days and humidity levels peaking at 87%. For more details, you can visit Changchun weather in July.

December and August in Changchun offer starkly contrasting weather experiences. In December, temperatures can plunge to a minimum of -27°C (-16°F) and hover around an average of -12°C (11°F), with a maximum of only 7°C (45°F). The month sees minimal precipitation—just 7 mm (0.3 in) over the course of one day—accompanied by a humidity level of 65%. In contrast, August brings much warmer conditions, with temperatures ranging from a minimum of 6°C (42°F) to a scorching maximum of 37°C (99°F) and an average of 23°C (73°F). This summer month is significantly wetter, receiving 193 mm (7.6 in) of precipitation across 16 days, and the humidity rises to 88%. For a more detailed look at August weather, you can visit Changchun weather in August.

In comparing the weather between December and September, it's evident that the two months are polar opposites. December features frigid temperatures, with a minimum of -27°C (-16°F) and an average of -12°C (11°F), while September enjoys a much milder climate, boasting a minimum of 2°C (36°F) and an average of 17°C (63°F). Precipitation levels also differ significantly; December sees only 7 mm (0.3 in) across just one day, whereas September experiences a substantial 98 mm (3.9 in) of rain over nine days. Additionally, humidity is higher in September at 84%, compared to December's 65%. For more details on September weather, you can visit Changchun weather in September.

In December, temperatures in Changchun can plummet to a minimum of -27°C (-16°F), with an average of -12°C (11°F) and a maximum reaching just 7°C (45°F). The month sees minimal precipitation, with only about 7 mm (0.3 in) falling over just one day and humidity averaging around 65%. In contrast, October is significantly milder, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 29°C (84°F) and an average of 8°C (47°F). It experiences more precipitation, totaling 22 mm (0.9 in) over four days and higher humidity levels at 84%. For a detailed look at the weather patterns in October, visit Changchun weather in October.

In comparing the weather between November and December, it is clear that December ushers in much colder temperatures. While November experiences a milder minimum of -16°C (3°F) and an average of -2°C (29°F), December plunges to a minimum of -27°C (-16°F) with an average of -12°C (11°F). Precipitation also differs significantly, with November receiving 28 mm (1.1 in) over 4 days, compared to December's much lower total of 7 mm (0.3 in) over just 1 day. Humidity remains relatively consistent, with November at 69% and December slightly lower at 65%. For a detailed look at November's weather, you can visit Changchun weather in November.

Compare Changchun's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Changchun

As December settles over Changchun, the weather takes a notable turn, ushering in a chill that starkly contrasts with the milder months preceding it. With an average temperature well below freezing, the city experiences a significant drop, making it one of the coldest times of the year. While the days are crisp and occasionally boast a maximum of 7°C, frigid nights plunge temperatures down to -27°C, maintaining the wintry feel throughout the month. Unlike the relatively wetter seasons, December sees only minimal precipitation, with just a single day of light snowfall, enhancing the crispness of the cold air, which hovers at a humidity level of 65%. For a more comprehensive look at how this month's climate compares to the rest of the year, explore Changchun Climate.