December Weather in Changsha, China

Last updated: August 21, 2025

In December, Changsha, China experiences a refreshingly cool climate characterized by an average temperature of 8°C (47°F), with highs reaching up to 20°C (68°F) and lows dipping to -3°C (26°F). This month is marked by moderate humidity levels at 78%, creating a crisp atmosphere ideal for winter activities. With an average of 52 mm (2.0 in) of rainfall spread over 8 days, December brings occasional showers that contribute to the winter landscape, making it a unique time to explore this vibrant city. Visitors can enjoy the serene beauty of Changsha while wrapped in cozy layers, ready to embrace the seasonal charm.

December Temperature in Changsha

As December arrives in Changsha, China, temperatures begin to dip, marking a transition from the milder autumn months. With minimums dropping to a brisk -3°C (26°F) and average temperatures settling around 8°C (47°F), the city experiences a noticeable chill in the air. Daytime highs still reach a comfortable 20°C (68°F), providing a pleasant counter to the cooler nights. This month serves as a prelude to the coldest part of the year, with an overall trend showcasing a gradual decline in temperatures from the warmer months of late spring and summer. As the festive season unfolds, residents and visitors alike can embrace the unique charm of winter in Changsha, where the seasonal shift brings both a cozy atmosphere and a chance to enjoy outdoor activities.

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).
JanFebMarAprMayJunJulAugSepOctNovDec434757657380858679675847
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, China, experiences a noticeable decrease in precipitation, recording 52 mm (2.0 in) over just 8 days of rainfall. This marks a continuation of the downward trend seen since the warmer months, where rainfall peaks in June at 260 mm (10.2 in) before gradually tapering off. December's modest rainfall is a stark contrast to the heavier downpours of the preceding spring and summer, highlighting the region's shift towards the drier winter months. As temperatures drop, the transition from abundant rain to more sporadic showers signals the arrival of winter, making December a relatively drier and cooler month in Changsha's annual climate cycle.

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.
JanFebMarAprMayJunJulAugSepOctNovDec67952131872322602049975535652
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Changsha

In Changsha, China, December marks a shift in humidity levels as the year draws to a close. With an average humidity of 78%, this month continues the trend of elevated moisture that peaks during the summer months, particularly in July with a high of 89%. Following a slight dip in humidity during September and October, when the levels fall to 66% and 68% respectively, December's figures indicate a gradual rise again. The consistent humidity levels across the year suggest that Changsha experiences a predominantly damp climate, especially from late spring through summer. As the transition to winter occurs, the humidity remains relatively high, creating a unique atmosphere typical of this region.

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.
JanFebMarAprMayJunJulAugSepOctNovDec69%71%83%86%85%86%89%85%66%68%77%78%
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 notable drop in the UV Index, registering at 5, which falls within the moderate exposure category. This reduction in UV radiation means that residents and visitors can safely spend around 30 minutes in the sun without significant risk of harm. Observing the trends throughout the year, December contrasts sharply with the sweltering summer months of June and July, where the UV Index climbs to a staggering 12, prompting extreme cautions with a burn time of just 10 minutes. As winter approaches, the overall intensity of UV radiation eases, providing a more forgiving environment for outdoor activities. For more detailed insights on UV levels 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.
JanFebMarAprMayJunJulAugSepOctNovDec678101111121210975
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, sunshine in Changsha, China, brings a gentle wrap-up to the year, with around 188 hours of daylight illuminating the city. This month shares an equal number of sunny hours with November, suggesting a slight dip as the region transitions into winter. Interestingly, as the year progresses, we witness a remarkable increase in sunshine, with summer months like July and August basking in an impressive 300 and 314 hours respectively. Contrasting this, the earlier months struggle with significantly fewer hours, particularly January with just 140 hours, hinting at a steady climb toward brighter days as spring approaches. This cyclical pattern of increasing daylight not only enhances the region's natural beauty but also uplifts the spirits of its residents, inviting them to savor each sunny moment as the year comes to a close.

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.
JanFebMarAprMayJunJulAugSepOctNovDec140h183h191h204h261h260h300h314h253h198h188h188h
Data source: Changsha December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Changsha During December

December in Changsha, China, offers a relatively promising chance of sunshine, with a likelihood of 56%. This marks a notable increase from the preceding months, particularly when compared to the cooler spring months where sunshine dips to as low as 11% in April. Interestingly, December's sunny prospects are similar to those in January and November, both at 51%, suggesting that the city enjoys a transition into winter with a few bright days amidst the chill. As the year concludes, this trend indicates that while cloudy days may dominate, residents and visitors alike can still anticipate some delightful sunny spells to round out the month.

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.
JanFebMarAprMayJunJulAugSepOctNovDec51%36%20%11%23%19%37%33%61%32%51%56%
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 33m11h 11m11h 59m12h 50m13h 32m13h 53m13h 42m13h 5m12h 17m11h 27m10h 44m10h 22m
Data source: Changsha daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Changsha

As December settles over Changsha, the average wind speed gently drops to 2.4 m/s (5 mph), reflecting a subtle calmness that characterizes the winter months. This slight decrease mirrors the seasonal trend, with wind speeds typically leveling off from the brisk October gusts, which peaked at 3.4 m/s (8 mph). The winter air carries a crispness that invites residents and visitors alike to embrace the city's picturesque views, while the consistent, mild breezes encourage leisurely strolls along the riverbanks. With wind patterns stabilizing, December serves as a graceful transition into the colder season, enveloping Changsha in a soothing yet invigorating atmosphere.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.72.32.72.42.52.42.62.22.43.42.32.4 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 exhibit notable differences in weather conditions. In December, temperatures range from a minimum of -3°C (26°F) to an average of 8°C (47°F), with a maximum reaching 20°C (68°F). The month sees an average precipitation of 52 mm (2.0 in) over about 8 days, combined with a relatively high humidity of 78%. In contrast, January is slightly colder, with a minimum temperature of -5°C (24°F) and an average of 6°C (44°F). The precipitation increases to 67 mm (2.6 in) across 9 days, but humidity drops to 69%. For more detailed information on January weather patterns, check out Changsha weather in January.

December and February each exhibit distinct weather patterns despite their proximity within winter. In December, temperatures range from a chilly minimum of -3°C (26°F) to a mild maximum of 20°C (68°F), with an average of about 8°C (47°F). The month sees moderate precipitation at 52 mm (2.0 in) over approximately 8 days, accompanied by relatively high humidity at 78%.

In contrast, February typically experiences a slightly warmer environment, with temperatures that reach a minimum of -3°C (26°F) and soar to a maximum of 26°C (79°F), yielding an average of around 9°C (48°F). Precipitation increases significantly to 95 mm (3.7 in) spread over 12 days, although humidity drops to 71%. For more detailed information, you can visit Changsha weather in February.

In December, the weather is typically colder, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 20°C (68°F) and an average of 8°C (47°F). The month sees about 52 mm (2.0 in) of precipitation over approximately 8 days, with a humidity level of 78%. In contrast, March brings a noticeable warming trend, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 31°C (88°F) and an average of 14°C (57°F). This month experiences significantly higher precipitation, totaling 213 mm (8.4 in) over 19 days, and a humidity level of 83%. For a deeper dive into March weather specifics, visit Changsha weather in March.

December and April present distinctly different weather patterns. In December, temperatures tend to be cooler, with a minimum of -3°C (26°F) and an average of 8°C (47°F), climbing to a maximum of 20°C (68°F). Precipitation is relatively low, with 52 mm (2.0 in) over 8 days and humidity at a comfortable 78%. In contrast, April sees a significant rise in temperature, with a minimum of 7°C (44°F) and an average of 18°C (65°F), reaching a high of 32°C (91°F). However, this month also experiences increased rainfall, totaling 187 mm (7.3 in) across 16 days, alongside higher humidity levels at 86%. These factors contribute to a much more vibrant and warmer atmosphere in April. For more details, check out Changsha weather in April.

December and May showcase contrasting weather patterns that reflect the transition from winter to spring. In December, temperatures range from a chilly -3°C (26°F) at night to a mild 20°C (68°F) during the day, with an average of 8°C (47°F). Conversely, May brings significantly warmer conditions, with minimums of 12°C (54°F) and maximums soaring up to 35°C (94°F), resulting in an average temperature of 23°C (74°F). Additionally, December experiences about 52 mm (2.0 in) of rainfall over 8 days, while May sees a substantial increase in precipitation, totaling 232 mm (9.1 in) across 17 days. The humidity also rises from 78% in December to 85% in May, further highlighting the more humid and tropical feel of late spring. For more detailed information on May weather in Changsha, visit Changsha weather in May.

In December, the weather in Changsha is relatively cool, with temperatures ranging from a minimum of -3°C (26°F) to an average high of 20°C (68°F). The month experiences moderate precipitation, totaling 52 mm (2.0 in) over about 8 days, and the humidity hovers around 78%.

In stark contrast, June brings significantly warmer temperatures, with a minimum of 17°C (63°F) and an average high reaching up to 35°C (96°F). This month sees much heavier rainfall, accumulating 260 mm (10.2 in) over about 18 days, and the humidity increases to 85%. The shift from December's chill to June's heat exemplifies the dynamic climate of the region. For more detailed information, you can check Changsha weather in June.

In December, the weather is significantly cooler, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 20°C (68°F) and an average of 8°C (47°F). During this month, precipitation is relatively low at 52 mm (2.0 in) over about 8 days, alongside a humidity level of 78%. In contrast, July boasts much warmer conditions, with temperatures starting at a minimum of 21°C (69°F) and reaching up to 39°C (103°F), averaging around 29°C (85°F). Rainfall is more frequent in July, totaling 204 mm (8.0 in) across 13 days, with humidity levels climbing to 89%. For more details, you can explore Changsha weather in July.

When comparing the weather in December and August, the differences are striking. December experiences much cooler temperatures, ranging from a minimum of -3°C (26°F) to a maximum of 20°C (68°F), with an average temperature of 8°C (47°F). In contrast, August is significantly warmer, with minimum temperatures around 22°C (71°F) and maximums reaching up to 39°C (102°F), resulting in an average temperature of 30°C (86°F). Precipitation also varies between the two months; December sees 52 mm (2.0 in) of rain over approximately 8 days, while August has a higher total of 99 mm (3.9 in) over about 12 days. Furthermore, humidity levels are generally higher in August at 85%, compared to December's 78%. For more detailed information about August weather specifically, you can visit Changsha weather in August.

In December, temperatures in Changsha drop significantly, with a minimum of -3°C (26°F) and an average of 8°C (47°F), compared to September's warmer averages, which range from a minimum of 17°C (63°F) to an average of 26°C (80°F). The maximum temperatures in September can reach as high as 39°C (102°F), making it a much hotter month overall. Additionally, December experiences lower humidity at 78%, while September's humidity stands at 66%. Precipitation also differs, with December recording 52 mm over 8 days and September seeing a higher total of 75 mm across 10 days. For more details on September weather in Changsha, visit Changsha weather in September.

December and October present striking contrasts in weather. In December, temperatures range from a chilly -3°C (26°F) at night to a milder 20°C (68°F) during the day, with an average of 8°C (47°F). This month also sees about 52 mm (2.0 in) of precipitation over 8 days, with a higher humidity of 78%. In contrast, October boasts much warmer temperatures, with a minimum of 11°C (52°F) and maximums soaring up to 38°C (100°F), averaging at 19°C (67°F). Precipitation in October is slightly more at 53 mm (2.1 in) over 10 days, but with lower humidity levels of 68%. For those seeking more details, check out Changsha weather in October.

In comparing the weather between November and December, December tends to be cooler and less variable. The average temperature drops significantly from November, where it ranges from a minimum of 5°C (41°F) to a maximum of 30°C (85°F), to a more moderate range in December with a minimum of -3°C (26°F) and a maximum of 20°C (68°F). This drop in temperatures is accompanied by slightly increased precipitation in December, totaling 52 mm (2.0 in) over 8 rainy days, compared to November's 56 mm (2.2 in) over 9 days. Humidity remains fairly consistent in both months, with December at 78% and November at 77%. For more detailed information about November's weather, you can find additional insights here: 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 transforms into a winter wonderland, with noticeably cooler temperatures compared to the milder months preceding it. The average temperature dips to a brisk 8°C, creating a stark contrast to the warmer autumn days, while the chilly nights can plunge to -3°C. It's a month where humidity remains high, fostering a damp atmosphere, and precipitation falls on about eight days, bringing a bit of misty charm to the city. This blend of cooler air and occasional rain creates a unique and refreshing climate for both locals and visitors. To understand more about the distinct weather patterns throughout the year, check out the detailed insights at Changsha Climate.