December Weather in Baiyun, China

Last updated: August 21, 2025

In December, Baiyun, China experiences a remarkable contrast in weather, with temperatures ranging from a brisk -2°C (28°F) at night to a pleasant 25°C (77°F) during the day. The average temperature settles around 9°C (48°F), making it essential for visitors to dress warmly for chilly evenings. This month sees an average of 66 mm (2.6 in) of rainfall spread over 10 days, contributing to a humid atmosphere with relative humidity levels reaching 78%. As winter fully envelops the region, Baiyun's December weather invites exploration while requiring preparation for its varied climate.

December Temperature in Baiyun

As December approaches in Baiyun, China, temperatures begin to reveal a distinct chill, with minimums dipping to -2°C (28°F) while the average hovers around 9°C (48°F). This marks a significant transition from the milder conditions experienced in the preceding months. The maximum temperature remains relatively mild at 25°C (77°F), hinting at the region's fluctuating climate patterns throughout the year. With winter setting in, the cool temperatures contrast sharply with the warmer peaks of the summer months, showcasing Baiyun’s diverse seasonal palette. The shift not only signifies a change in weather but also invites residents and visitors alike to embrace the cozy ambiance of the season.

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

The chart illustrates December temperature patterns in Baiyun, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Baiyun, 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).
JanFebMarAprMayJunJulAugSepOctNovDec454757647377848579685848
Data source: Temperature data for Baiyun 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 Baiyun

In Baiyun, China, December wraps up the year with a modest precipitation amount of 66 mm (2.6 inches) over approximately 10 days of rainfall. This marks a noticeable decrease compared to the preceding months, particularly the intense downpours in June and May, where rainfall peaked at 431 mm (17.0 in) and 262 mm (10.3 in) respectively. As the year draws to a close, the precipitation tends to taper off, signaling a transition from the wet summer months to drier conditions. December's weather, while still contributing to the annual total, reflects a calm before the winter chill, offering a gentle end to Baiyun's meteorological cycle.

December Precipitation Trends in Baiyun

The chart displays monthly precipitation patterns in Baiyun, 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 Baiyun, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec78101211194262431307150106438866
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Baiyun

In December, Baiyun, China, experiences a noticeable dip in humidity, averaging 78%. This slight decline follows a peak in July, where humidity levels rise to a steamy 91%. From the start of the year, humidity gradually increases, culminating in the high summer months of June through August, which all hover around 87% to 91%. As the year winds down, November sees a robust 80% before December's reduction suggests a subtle transition to drier winter conditions. Overall, while humidity remains relatively high throughout the year, December marks a shift, allowing for slightly more comfortable weather as the region prepares for the cooler months ahead.

December Average Humidity in Baiyun

This chart illustrates the average monthly humidity levels in Baiyun, 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 Baiyun is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%71%81%86%87%87%91%87%72%74%80%78%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Baiyun

As the year comes to a close, December in Baiyun, China brings a welcome reprieve from the intense sun exposure of the summer months. With a UV Index of 5, categorized as moderate, residents and visitors can enjoy up to 30 minutes of safe sun exposure without the immediate risk of skin damage. This is a notable decline compared to the peak of summer, where the index soared to 12, indicating extremely high exposure levels with a dangerous burn time of just 10 minutes. The trends throughout the year reflect a gradual decrease in UV intensity, starting from a high of 11 in May and tapering off to 5 by December. This seasonal variation emphasizes the importance of sun safety, even in the milder winter months. For more insights and real-time updates, check Baiyun UV Index.

Maximum UV Index Levels in Baiyun for December

The chart shows the monthly maximum UV Index (UVI) for Baiyun 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 Baiyun typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6710101112121210875
Data source: Baiyun 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 Baiyun

December in Baiyun, China, brings a cozy close to the year with 218 hours of sunshine, a slight dip from the sunny highs of mid-summer. Following the peak in August with an impressive 314 hours, the sunlight gradually wanes as winter approaches. However, this month's figures reflect a robust continuation of relatively bright days compared to the earlier months of the year, maintaining a comforting glow as residents prepare for the year's end. Baiyun's December skies serve as a reminder that while daylight may lessen, the warmth of community and festive spirit shines brightly during the holiday season.

Monthly Sunshine Duration in Baiyun: December Highlighted

The December sunshine duration represents the total number of hours Baiyun 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.
JanFebMarAprMayJunJulAugSepOctNovDec160h197h213h240h284h233h297h314h269h234h216h218h
Data source: Baiyun December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Baiyun During December

In Baiyun, China, December brings a 53% chance of sunny weather, making it one of the more favorable months for sunshine as the year comes to a close. This percentage is a noticeable improvement from the dimmer days typical of mid-spring through early fall, where chances of sun dip as low as 15% in June. Interestingly, the late summer months see a slight uptick, culminating in a respectable 55% in September, but it’s December that offers a promising balance of sunshine as winter approaches. As we reflect on the year, this trend suggests a gradual recovery in sunny days, hinting that December can be a delightful time to enjoy the outdoors in Baiyun.

Percentage of Sunny Days in December in Baiyun

The chart illustrates the percentage of sunny days in Baiyun 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 Baiyun experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec59%37%24%22%20%15%18%28%55%36%44%53%
Data source: Baiyun December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Baiyun in December

In Baiyun, China, the daylight duration reflects a captivating seasonal rhythm throughout the year. Starting at about 10 hours in January, the days gradually lengthen, peaking at 13 hours between May and August. As summer fades into autumn, daylight gradually wanes, returning to 11 hours in October and dropping back to 10 hours by December—mirroring the beginning of the year. This cyclical pattern not only enhances the charm of each season but also invites residents and visitors alike to embrace the varying daylight as a natural backdrop to their activities and experiences.

Average Daylight Hours in Baiyun for December

The chart illustrates the variation in daylight duration in Baiyun throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 30m11h 9m11h 59m12h 51m13h 34m13h 56m13h 45m13h 7m12h 18m11h 26m10h 42m10h 19m
Data source: Baiyun daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Baiyun

In Baiyun, China, the December wind brings a gentle chill, averaging 1.9 m/s (4 mph), similar to the earlier winter months. A notable trend throughout the year is the slight increase in wind speed during the summer, peaking in July at 2.1 m/s (5 mph), before gradually declining as the seasons shift. October experiences a brisk moment with winds averaging 2.5 m/s (6 mph), suggesting a transitional phase into cooler air. However, December returns to that comforting winter calm, consistent with the 1.9 m/s seen in both January and February. As the year ends, these winds carry the promise of a fresh start, offering a serene atmosphere amidst the changing seasons.

Average December Wind Speed in Baiyun

The chart displays monthly wind speed patterns in Baiyun, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.92.01.82.01.71.52.11.61.72.51.81.9 m/s
Data source: Baiyun December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Baiyun Compares to Other Months

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

December and January show noticeable differences in weather patterns. December typically sees a minimum temperature of -2°C (28°F) and an average of 9°C (48°F), with a maximum reaching up to 25°C (77°F). It also has a higher humidity level of 78% and experiences about 66 mm (2.6 in) of precipitation over 10 days. In contrast, January brings colder conditions, with a minimum of -6°C (22°F) and a slightly lower average temperature of 7°C (45°F). The maximum temperature is also marginally cooler, peaking at 23°C (74°F). Additionally, January experiences increased precipitation at 78 mm (3.1 in) over the same number of days but with a lower humidity of 65%. For more detailed insights, you can check Baiyun weather in January.

In December, temperatures range from a chilly minimum of -2°C (28°F) to a pleasant maximum of 25°C (77°F), with an average of 9°C (48°F). The month brings about 66 mm (2.6 inches) of precipitation over approximately 10 days and a humidity level of 78%. In contrast, February experiences slightly colder temperatures, with a minimum of -5°C (24°F) and an average of 8°C (48°F), while still reaching a maximum of 25°C (78°F). Precipitation increases to 100 mm (4.0 inches) across 13 days, with humidity decreasing to 71%. For a more detailed look at February conditions, you can check Baiyun weather in February.

In December, temperatures range from a chilly minimum of -2°C (28°F) to a pleasant average of 9°C (48°F), with highs reaching up to 25°C (77°F). The month sees a moderate precipitation of 66 mm (2.6 in) over approximately 10 days, accompanied by a humidity level of 78%. In contrast, March brings a noticeable warming trend, with minimum temperatures at 2°C (36°F), an average of 14°C (57°F), and maximums climbing to 30°C (86°F). However, March is also significantly wetter, with precipitation totaling 211 mm (8.3 in) over 18 days, resulting in a slightly higher humidity of 81%. For a more detailed look at March weather, you can visit Baiyun weather in March.

In comparing the weather between December and April, we observe notable differences in temperature and precipitation. December experiences cooler temperatures, with a minimum of -2°C (28°F) and an average of 9°C (48°F), while April ushers in milder conditions with a minimum of 4°C (40°F) and an average of 18°C (65°F). Additionally, April is significantly wetter, receiving 194 mm (7.7 in) of precipitation over 16 days, compared to December's 66 mm (2.6 in) over just 10 days. The humidity also rises in April to 86%, compared to December's 78%. For more detailed insights about the weather in April, you can visit Baiyun weather in April.

December and May showcase contrasting weather patterns that highlight the shift from winter to spring. In December, temperatures range from a chilly minimum of -2°C (28°F) to an average of 9°C (48°F), with maximums reaching 25°C (77°F). The month experiences about 66 mm (2.6 in) of precipitation over approximately 10 days and maintains a humidity level of 78%. In stark contrast, May brings warmer conditions, with minimum temperatures starting at 11°C (51°F) and averaging 23°C (73°F), peaking at a sweltering 37°C (98°F). Precipitation increases significantly to 262 mm (10.3 in) over 17 days, accompanied by higher humidity levels at 87%. For a closer look at the specific conditions, you can visit Baiyun weather in May.

December and June present starkly contrasting weather conditions. In December, temperatures typically range from a chilly -2°C (28°F) to a mild high of 25°C (77°F), with an average of 9°C (48°F). The month experiences moderate precipitation, totaling 66 mm (2.6 in) over about 10 days, and the humidity averages around 78%. In contrast, June boasts much warmer temperatures with a minimum of 16°C (62°F) and a scorching maximum of 36°C (97°F), averaging 25°C (78°F). Precipitation significantly increases in June, with a hefty 431 mm (17.0 in) occurring over 22 days, accompanied by higher humidity levels at 87%. For a detailed look at June weather, visit Baiyun weather in June.

December and July present starkly contrasting weather conditions. In December, temperatures range from a chilly -2°C (28°F) at night to a moderate 25°C (77°F) during the day, with average readings around 9°C (48°F). The month sees about 66 mm (2.6 in) of precipitation over approximately 10 days, with humidity sitting at 78%. In contrast, July offers a much warmer climate, with nighttime lows of 21°C (69°F) and daytime highs that soar to 38°C (100°F), averaging around 29°C (84°F). Rainfall significantly increases to 307 mm (12.1 in) spread over 18 days, accompanied by higher humidity levels at 91%. For a more detailed look at July weather in Baiyun, you can explore this link: Baiyun weather in July.

December and August present starkly contrasting weather conditions. In December, temperatures range from a chilly minimum of -2°C (28°F) to a pleasant average of 9°C (48°F), while August boasts much warmer temperatures, with minimums starting at 21°C (71°F) and reaching a scorching maximum of 39°C (103°F). Precipitation varies notably as well; December experiences around 66 mm (2.6 in) over 10 days, while August sees significantly more rainfall at 150 mm (5.9 in) over 15 days. Additionally, humidity levels are higher in August at 87%, compared to December’s 78%. For a more detailed look at August weather specifics, visit Baiyun weather in August.

In comparing the weather of December and September, December presents a much cooler climate with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 25°C (77°F). This month experiences about 66 mm (2.6 in) of precipitation over 10 days, paired with a humidity level of 78%. In contrast, September boasts significantly warmer temperatures, with averages of 16°C (61°F) as the minimum and soaring to 38°C (100°F) at its peak. Despite being the wetter month, September sees greater rainfall, with about 106 mm (4.2 in) over 12 days, though it has slightly lower humidity at 72%. For more detailed information on September conditions, you can refer to Baiyun weather in September.

In comparing the weather between December and October, we see significant differences in temperature and precipitation. December features a much cooler climate, with average temperatures ranging from a low of -2°C (28°F) to a warm high of 25°C (77°F), while October offers milder conditions, with average temperatures from 8°C (47°F) to a high of 37°C (98°F). Precipitation is slightly higher in December at 66 mm (2.6 in) over 10 days, compared to October's 43 mm (1.7 in) over 7 days. Despite December's increased rainfall, the humidity remains relatively similar, with December at 78% and October at 74%. For a detailed view of October's climate, you can check Baiyun weather in October.

In comparing the weather of December and November, December generally presents colder temperatures, with minimums plummeting to -2°C (28°F) and an average of 9°C (48°F), while November boasts milder conditions with minimums around 1°C (34°F) and an average of 15°C (59°F). The maximum temperatures also reflect this shift, reaching up to 25°C (77°F) in December compared to November's maximum of 29°C (85°F). Precipitation is slightly lower in December at 66 mm (2.6 in) over 10 days, while November experiences 88 mm (3.5 in) also over 10 days. Humidity levels remain fairly consistent, with December at 78% and November slightly higher at 80%. For more details on November weather, you can refer to Baiyun weather in November.

Compare Baiyun's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Baiyun

As December arrives in Baiyun, the weather shifts notably, bringing cooler temperatures that contrast sharply with the milder conditions of previous months. With an average high of 25°C and a low that can dip to -2°C, residents and visitors alike experience a brisk chill, complemented by a humidity level of 78%. The month also sees increased precipitation, averaging around 66 mm over roughly 10 days, making it one of the wetter times of the year. This combination of cooler temperatures and higher rainfall certainly sets December apart, creating a unique and refreshing atmosphere as winter settles in. For a more detailed exploration of Baiyun’s climate, visit Baiyun Climate.