December Weather in Changsha, China

Last updated: August 21, 2025

December in Changsha, China, offers a cool climate as temperatures range from a maximum of 18°C (64°F) to a minimum of 0°C (32°F), with an average hovering around 9°C (48°F). Residents and visitors can expect a relatively wet month, with 54 mm (2.1 in) of precipitation spread over about 13 days, contributing to the city's 81% humidity level. This combination of cool temperatures and frequent rain makes December a time to bundle up and enjoy the cozy indoor atmosphere of this vibrant city.

December Temperature in Changsha

In December, temperatures in Changsha, China begin to dip significantly, with a minimum of 0°C (32°F) and an average of 9°C (48°F). This marks a transition into the colder months, as daytime highs reach about 18°C (64°F). Unlike the mildness experienced in November, December's cooler climate initiates a cozy atmosphere where residents and travelers alike can enjoy the festive season wrapped in warmer attire. The steady decline in temperatures from the previous months hints at winter's imminent arrival, inviting a blend of indoor activities and the charm of chilly outdoor exploration. As the year draws to a close, the cooling trend sets the stage for frosty January days ahead.

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

The chart illustrates December temperature patterns in Changsha, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Changsha, 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).
JanFebMarAprMayJunJulAugSepOctNovDec464958657075828274635547
Data source: Temperature data for Changsha 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 Changsha

In December, Changsha experiences a slight dip in precipitation, registering 54 mm (2.1 in) over approximately 13 days of rain. This marks a modest decrease from November's 59 mm and reflects a broader trend throughout the cooler months as rainfall lessens. Compared to the heavier downpours of June and July, when the city receives upwards of 174 mm and 184 mm respectively, December's total is relatively light. The gradual tapering off in precipitation showcases the city's transition into winter, contrasting the lush, wet summer months, and sets the stage for the drier winter season ahead.

December Precipitation Trends in Changsha

The chart displays monthly precipitation patterns in Changsha, 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 Changsha, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4848701011391741841961651295954
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Changsha

In December, Changsha, China, experiences a relative humidity of 81%, marking a slight decline from the peak levels seen in the summer months. The humidity gradually rises from 72% in January to a humidity high of 87% in August, showcasing the city’s tendency towards a more humid climate as the year progresses. As the temperatures drop towards winter, there is a subtle but consistent reduction in humidity, creating a more comfortable atmosphere compared to the sweltering summer. However, December maintains a relatively high humidity level, reflecting the region's overall moist subtropical climate, which persists into the colder months. This combination of elevated humidity and cooler temperatures can create a unique and crisp winter environment in Changsha, inviting both residents and visitors to enjoy the season.

December Average Humidity in Changsha

This chart illustrates the average monthly humidity levels in Changsha, 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 Changsha is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%80%77%82%85%85%87%84%81%86%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Changsha

In December, Changsha experiences a moderate UV Index of 5, comparable to January's levels, which means you can enjoy the outdoors with a manageable exposure time of 30 minutes before the risk of sunburn increases. This month marks a noticeable drop in UV radiation compared to the extreme levels seen in the summer months of April through August, where indexes soared to as high as 12. As the year transitions into winter, it's a great time to revel in outdoor activities with slightly less sun intensity. To get more insights into Changsha’s UV Index throughout the year, check out Changsha UV Index.

Maximum UV Index Levels in Changsha for December

The chart shows the monthly maximum UV Index (UVI) for Changsha 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 Changsha typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec578111211121210965
Data source: Changsha 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 Changsha

In December, Changsha experiences a gentle transition into winter, with 117 hours of sunshine, marking a notable decline from the vibrant summer months. While the city basks in the glow of longer daylight during the peak of July and August—boasting 303 and 309 hours respectively—the sunlight begins to fade as the year draws to a close. This trend reflects a gradual reduction in daylight from the sunny heights of spring and summer, where the city enjoys an impressive 255 hours in May, down to the cooler, shorter days of winter. As the festive season approaches, residents embrace the softer light of December, reminding us that every season brings its unique charm and a different kind of beauty to Changsha.

Monthly Sunshine Duration in Changsha: December Highlighted

The December sunshine duration represents the total number of hours Changsha 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.
JanFebMarAprMayJunJulAugSepOctNovDec87h149h174h216h255h259h303h309h230h131h147h117h
Data source: Changsha December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Changsha During December

In December, the likelihood of sunny weather in Changsha, China stands at a modest 20%, marking it as one of the less favorable months for sunshine. This trend reflects the city's shift towards cloudier, cooler days as winter settles in. Notably, the sun's appearance is more frequent in early autumn, with September boasting the highest chance at 39%. As the year progresses from October's 16%, December's sun chances remain low, aligning more closely with the dismal percentages seen in the summer months of June and April. Therefore, while December offers a slight hope for sun, it generally ushers in a more overcast and chilly atmosphere, inviting a cozy embrace of the winter season.

Percentage of Sunny Days in December in Changsha

The chart illustrates the percentage of sunny days in Changsha 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 Changsha experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%27%26%12%17%13%28%24%40%16%23%20%
Data source: Changsha December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Changsha in December

In Changsha, China, the daylight duration experiences a rhythmic ebb and flow throughout the year. Starting in December, residents enjoy 10 hours of daylight, a figure mirrored in both November and January. As the year progresses into February and March, daylight begins to increase, reaching 11 hours. Spring arrives with April bringing 12 hours, peaking in May and the summer months of June, July, and August with a consistent 13 hours of sunlight. However, as autumn sets in, daylight gradually recedes, returning to 12 hours in September and declining back to 11 hours in October, before settling once again at 10 hours in November and December. This cycle not only marks the passage of the seasons but also shapes the daily rhythms of life in this vibrant city.

Average Daylight Hours in Changsha for December

The chart illustrates the variation in daylight duration in Changsha throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 31m11h 9m11h 59m12h 51m13h 34m13h 56m13h 45m13h 7m12h 18m11h 26m10h 42m10h 19m
Data source: Changsha daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Changsha

As December rolls into Changsha, the city experiences a subtle lull in its average wind speed, dipping to 1.2 m/s (3 mph). This slight decrease follows a year marked by relatively consistent wind patterns, where monthly averages fluctuated only slightly between 1.3 m/s and 1.7 m/s. Throughout the months, from January's gentle breeze to November's near-still air, it’s evident that winter's arrival brings a calming influence to the region's atmosphere. While December's winds whisper softly, they seamlessly transition into the stillness of the colder months, reflecting a natural rhythm that residents have come to expect as the year winds down.

Average December Wind Speed in Changsha

The chart displays monthly wind speed patterns in Changsha, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.51.51.41.41.41.41.41.71.51.31.2 m/s
Data source: Changsha December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Changsha Compares to Other Months

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

December and January in Changsha exhibit notable differences in weather patterns. December tends to be slightly warmer, with an average temperature of 9°C (48°F) and maximums reaching up to 18°C (64°F), while January sees cooler conditions with a low of -2°C (29°F) and an average of 8°C (46°F). Precipitation remains relatively close in both months, with December receiving 54 mm (2.1 in) over 13 days and January experiencing 48 mm (1.9 in) across 11 days. Additionally, December has a higher humidity level at 81%, compared to January's 72%. For more specific details on January weather in Changsha, you can refer to Changsha weather in January.

In comparing the weather between December and February, both months experience similar minimum temperatures, averaging around 0°C (32°F). However, February sees a noticeable rise in maximum temperatures, reaching up to 26°C (78°F) compared to December's maximum of 18°C (64°F). Additionally, while December has slightly more precipitation at 54 mm (2.1 in) over 13 days, February maintains a lower precipitation level of 48 mm (1.9 in) across 12 days. The humidity also decreases from 81% in December to 76% in February, contributing to a more comfortable atmosphere in late winter. For more detailed insights, you can check Changsha weather in February.

December and March present distinctly different weather patterns. In December, temperatures range from a chilly minimum of 0°C (32°F) to a mild maximum of 18°C (64°F), with an average of 9°C (48°F). The month sees around 54 mm (2.1 in) of precipitation across 13 days, accompanied by high humidity at 81%. In contrast, March experiences warmer temperatures with a minimum of 6°C (42°F) and soaring average highs of 15°C (59°F) that can reach up to a sweltering 33°C (92°F). Precipitation increases slightly to 70 mm (2.8 in) over 16 days, with humidity remaining similar at 80%. For more specific details, you can check Changsha weather in March.

December and April exhibit markedly different weather patterns. In December, temperatures range from a cool 0°C (32°F) at night to a mild average of 9°C (48°F) during the day, with a maximum of 18°C (64°F). The month experiences about 54 mm (2.1 in) of precipitation over 13 days, accompanied by a relatively high humidity of 81%. In contrast, April brings warmer temperatures with a minimum of 8°C (47°F), an average of 18°C (65°F), and maximums soaring up to 35°C (95°F). Precipitation rises to 101 mm (4.0 in), occurring over 15 days, and humidity decreases slightly to 77%. For more detailed insights, check out Changsha weather in April.

In December, the weather in Changsha is characterized by cooler temperatures, with a minimum of 0°C (32°F) and an average of 9°C (48°F), peaking at a mild 18°C (64°F). The month experiences approximately 54 mm (2.1 in) of precipitation spread over 13 days, coupled with relatively high humidity at 81%. In stark contrast, May brings much warmer conditions, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 36°C (98°F), and an average of 21°C (71°F). However, May is also the wettest month, receiving around 139 mm (5.5 in) of rainfall over 18 days, while humidity remains slightly higher at 82%. For more detailed insights on May weather, you can check Changsha weather in May.

December and June in Changsha exhibit significantly different weather patterns. In December, temperatures range from a chilly 0°C (32°F) to a mild 18°C (64°F), with an average of 9°C (48°F), while June brings much warmer conditions, with temperatures varying from 16°C (61°F) to a scorching 35°C (96°F) and an average of 24°C (76°F). Precipitation is more pronounced in June, accumulating to 174 mm (6.8 in) over 19 days compared to December's 54 mm (2.1 in) across 13 days. Additionally, humidity levels are slightly higher in June at 85%, compared to December’s 81%. For a detailed look at the weather during this warmer month, check out Changsha weather in June.

December and July present a stark contrast in weather conditions. In December, temperatures are much cooler, with minimums around 0°C (32°F) and averages peaking at 9°C (48°F), while July boasts a warm climate with minimums of 19°C (67°F) and an average reaching 28°C (82°F). Additionally, July experiences significantly more rainfall, with 184 mm (7.2 in) across 18 days compared to December's 54 mm (2.1 in) over 13 days, contributing to a more humid atmosphere. Overall, while December is characterized by chillier temperatures and lighter precipitation, July is hot, humid, and rainy. For more details, check out Changsha weather in July.

December and August present stark contrasts in weather patterns. In December, temperatures range from a chilly 0°C (32°F) to a mild 18°C (64°F), with an average of 9°C (48°F). The month is characterized by increased precipitation, totaling 54 mm (2.1 in) over about 13 days, and an average humidity of 81%. In stark contrast, August experiences much warmer conditions, with minimum temperatures of 18°C (65°F) and maximum highs reaching a sweltering 39°C (102°F), averaging around 28°C (83°F). The summer month also sees significant rainfall, with 196 mm (7.7 in) spread over 16 days and a slightly higher humidity of 87%. For more detailed insights, check out Changsha weather in August.

December and September present starkly different weather experiences. In December, temperatures range from a chilly minimum of 0°C (32°F) to a maximum of 18°C (64°F), with an average of 9°C (48°F). This month also sees significant precipitation, totaling 54 mm (2.1 in) across about 13 days, accompanied by a humidity level of 81%. In contrast, September offers a much warmer climate with temperatures fluctuating between 16°C (62°F) at night and soaring up to 36°C (96°F) during the day, averaging around 23°C (74°F). Precipitation in September is much higher at 165 mm (6.5 in) over 18 days, with humidity slightly elevated at 84%. For more detailed information on September's weather, you can visit Changsha weather in September.

December is generally cooler than October, with temperatures ranging from a minimum of 0°C (32°F) to an average of 9°C (48°F), peaking at 18°C (64°F). In contrast, October experiences milder and warmer conditions, with temperatures starting at a minimum of 10°C (50°F), averaging 17°C (64°F), and reaching up to 36°C (97°F). Precipitation is also significantly different; December sees 54 mm (2.1 in) over 13 days, while October has a much wetter climate with 129 mm (5.1 in) spread across 20 days. Despite both months having similar humidity levels at 81%, October feels much more humid due to the higher temperatures and rainfall. For more details about the climate, you can check Changsha weather in October.

In December, temperatures drop significantly compared to November, with a minimum of 0°C (32°F) and a maximum of only 18°C (64°F), whereas November enjoys milder conditions ranging from 5°C (41°F) to 25°C (78°F). Additionally, December experiences slightly less precipitation at 54 mm (2.1 in) over 13 days, compared to November's 59 mm (2.3 in) over 12 days. The humidity in December is also lower at 81%, compared to November's 86%. For a detailed look at the weather in November, you can visit Changsha weather in November.

Compare Changsha's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Changsha

As December settles in, Changsha experiences a noticeable shift in weather compared to the milder autumn months. The chill creeps in, with temperatures dipping lower, inviting cozy layers and warm drinks. Precipitation becomes more frequent, contributing to a humid atmosphere that feels distinctly different from the drier days of summer. While the landscape may take on a muted palette, the overall ambiance of December adds a unique charm to the city. For a deeper understanding of how these weather patterns shape the experience in Changsha, visit Changsha Climate.