December Weather in Longmen, China

Last updated: August 21, 2025

In December, Longmen, China experiences a cool and crisp climate, with temperatures ranging from a maximum of 19°C (67°F) to a minimum of -5°C (23°F) and an average of 6°C (43°F). The month is characterized by moderate humidity levels of 77%, creating a refreshing atmosphere. Rainfall contributes to the seasonal ambiance, with around 60 mm (2.4 in) of precipitation spread over 8 days. This dynamic weather makes it an interesting time to explore Longmen’s landscapes, inviting visitors to enjoy both the beauty of winter and the serene serenity of the region.

December Temperature in Longmen

As December settles in Longmen, China, the temperatures begin to dip, reflecting the transition into winter. With minimum temperatures around -5°C (23°F), chilly days become the norm, while the average temperature hovers at a brisk 6°C (43°F). This month also marks a notable drop from the milder November, which saw averages of 12°C (54°F). However, the highs can still reach a pleasant 19°C (67°F), offering a mix of crispness and occasional warmth. The overall trend showcases a gradual cooling as the region prepares for the colder months ahead, inviting locals and visitors alike to bundle up and enjoy the brisk winter atmosphere.

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

The chart illustrates December temperature patterns in Longmen, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longmen, 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).
JanFebMarAprMayJunJulAugSepOctNovDec394353617076818174635443
Data source: Temperature data for Longmen 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 Longmen

In December, Longmen, China, experiences a modest shift in precipitation, receiving 60 mm (2.4 in) of rain over an average of 8 days. As the year winds down, this amount reflects a noticeable decrease from the wetter months of summer, particularly June and July, which see their peaks at 355 mm and 333 mm, respectively. Though December's rainfall is lower than the previous months, it marks a transition towards the drier winter season, aligning with the overall trend of decreasing precipitation as temperatures fall. This month offers a gentle reminder of the region's shifting climate, while still providing vital moisture for the environment as it prepares for the cold ahead.

December Precipitation Trends in Longmen

The chart displays monthly precipitation patterns in Longmen, 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 Longmen, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7593171153207355333179141375260
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Longmen

In Longmen, China, December ushers in a humidity level of 77%, reflecting a noticeable dip from the peak summer months. As the year transitions towards winter, the average humidity tends to fluctuate, showcasing a gradual decline from July's high of 90%. Following a consistent pattern, the humidity begins its descent after the sultry summer, with November recording 84% before settling at December's level. This trend illustrates Longmen's shift from the heavy mugginess of summer towards a fresher, yet still humid, winter, making December moderately comfortable while maintaining its characteristic dampness.

December Average Humidity in Longmen

This chart illustrates the average monthly humidity levels in Longmen, 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 Longmen is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%73%82%86%85%85%90%88%75%76%84%77%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Longmen

In Longmen, China, the UV Index exhibits a clear seasonal pattern throughout the year. Starting the year with a high index of 6 in January, it steadily climbs to a very high peak of 10 in April and remains in the extreme category from May through August. As summer fades, the index gradually tapers off, dropping to a moderate level of 5 by December, allowing for a safer burn time of 30 minutes compared to the dangerously short 10 minutes experienced in the height of summer. This shift not only highlights a significant reduction in UV exposure as the year concludes but also underscores the importance of being mindful of the UV levels throughout the seasons. For more details on daily variations, check out Longmen UV Index.

Maximum UV Index Levels in Longmen for December

The chart shows the monthly maximum UV Index (UVI) for Longmen 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 Longmen typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679101112121110865
Data source: Longmen 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 Longmen

In Longmen, China, December brings a moderate 215 hours of sunshine, reflecting a gentle decline as the year comes to a close. This drop follows the peak summer months of July and August, which bask in a generous 295 and 304 hours of sunlight, respectively. The trend illustrates a steady increase in sun-soaked days from January’s mere 153 hours, gradually reaching a zenith in the vibrant warmth of late spring. As autumn unfolds, sunshine hours decrease slightly, yet December's totals still present a cheerful backdrop for winter activities. This annual ebb and flow of sunlight not only highlights the region's sunny disposition but also sets the stage for a bright start to the new year.

Monthly Sunshine Duration in Longmen: December Highlighted

The December sunshine duration represents the total number of hours Longmen 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.
JanFebMarAprMayJunJulAugSepOctNovDec153h199h216h247h280h265h295h304h257h236h222h215h
Data source: Longmen December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Longmen During December

In December, Longmen, China, experiences a notable increase in the likelihood of sunny weather, with a 64% chance of sunshine illuminating the landscape. This marks a shift from the preceding months, where the percentage of clear skies fluctuated significantly, peaking in November at 53%. Interestingly, the trend showcases a general decline in sunshine opportunities from the vibrant days of early autumn to the lower chances during peak summer. As colder months set in, December stands out as a diamond in the rough, offering more sunny days compared to the often overcast months of July and August, making it an inviting time for those seeking sunshine amidst the winter chill.

Percentage of Sunny Days in December in Longmen

The chart illustrates the percentage of sunny days in Longmen 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 Longmen experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%38%21%23%22%22%17%33%52%39%53%64%
Data source: Longmen December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Longmen in December

In Longmen, China, the daylight hours exhibit a dynamic pattern throughout the year, reflecting the seasonal changes that characterize this region. Starting with 10 hours in January, daylight steadily increases, peaking at 14 hours in June, as the days lengthen during the spring and early summer months. This gradual escalation is then followed by a gentle decline; July and August maintain a robust 13 hours of daylight, before the hours decrease again in September and October. By December, the cycle comes full circle, with daylight tapering back to 10 hours, mirroring the start of the year. This rhythm of increasing and decreasing daylight not only highlights the seasonal transitions but also underscores the natural ebb and flow of the environment in Longmen, inviting residents and visitors alike to appreciate the changing beauty of each season.

Average Daylight Hours in Longmen for December

The chart illustrates the variation in daylight duration in Longmen throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 25m11h 6m11h 59m12h 54m13h 40m14h 3m13h 51m13h 11m12h 19m11h 24m10h 37m10h 12m
Data source: Longmen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Longmen

As December rolls into Longmen, China, the average wind speed reaches a gentle 1.9 m/s (4 mph), reflecting a slight uptick from the stillness of June, which saw its lowest average of 1.5 m/s (3 mph). The winter months usher in a subtle, brisk breeze, maintaining a steady rhythm that mimics the consistency observed from January through November, where speeds linger around 1.8 m/s (4 mph) for most days. Interestingly, while summer months like July and October experience a flirtation with higher gusts—peaking at 2.2 m/s (5 mph)—December’s winds remind us of the calm that permeates the cooler season in Longmen, both nurturing and tranquil, as the landscape prepares for the impending embrace of winter.

Average December Wind Speed in Longmen

The chart displays monthly wind speed patterns in Longmen, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.81.81.81.81.52.21.51.82.11.81.9 m/s
Data source: Longmen December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Longmen Compares to Other Months

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

In December, temperatures typically range from a minimum of -5°C (23°F) to a maximum of 19°C (67°F), with an average temperature of 6°C (43°F). This month sees around 60 mm (2.4 in) of precipitation over approximately 8 days, accompanied by a humidity level of 77%. In contrast, January experiences cooler conditions, with temperatures dropping to a minimum of -10°C (15°F) and an average of 4°C (40°F), peaking at 21°C (69°F). Precipitation increases slightly to 75 mm (2.9 in) and is spread over about 9 days, with humidity decreasing to 70%. For a more detailed look, you can check the Longmen weather in January.

December and February exhibit some similarities in their average temperatures, both hovering around 6°C (43°F), but February shows a significant difference in its maximum temperature, reaching up to 24°C (76°F) compared to December's maximum of 19°C (67°F). While December experiences a relatively moderate level of precipitation at 60 mm (2.4 in) over 8 days, February sees an increase, with 93 mm (3.7 in) falling over 12 days, indicating a wetter month. The humidity levels are also slightly different; December has a higher humidity at 77%, while February's humidity sits at 73%, suggesting that the air feels a bit drier as the winter progresses. For more specific details on the weather in February, you can visit Longmen weather in February.

December and March present distinctly different weather patterns. In December, temperatures range from a chilly -5°C (23°F) at night to a mild 19°C (67°F) during the day, with an average temperature of 6°C (43°F). The month sees about 60 mm (2.4 in) of precipitation over 8 days, and the humidity is relatively high at 77%. In contrast, March experiences warmer conditions, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 28°C (83°F), and an average of 12°C (53°F). However, it is also wetter, receiving 171 mm (6.7 in) of precipitation over 15 days, and humidity increases slightly to 82%. For a closer look at March weather specifics, check out Longmen weather in March.

December and April present quite different weather patterns. In December, temperatures range from a chilly minimum of -5°C (23°F) to a mild maximum of 19°C (67°F), with an average of 6°C (43°F). The month sees about 60 mm (2.4 in) of precipitation over approximately 8 days, and the humidity is relatively moderate at 77%. In contrast, April experiences significantly warmer conditions, with temperatures ranging from a minimum of 3°C (37°F) to a peak of 31°C (89°F) and an average of 16°C (62°F). This month also sees a higher precipitation total of 153 mm (6.0 in) spread over 12 days, coupled with an increased humidity level of 86%. For a closer look at April's weather specifics, check out Longmen weather in April.

December and May present a stark contrast in weather conditions. In December, temperatures typically range from a chilly -5°C (23°F) at night to a milder maximum of 19°C (67°F) during the day, with an average of 6°C (43°F). The month sees about 60 mm (2.4 inches) of precipitation over eight days, and humidity remains relatively high at 77%. In contrast, May experiences much warmer temperatures, with nighttime lows around 10°C (51°F) and daytime highs soaring to 34°C (93°F), averaging 21°C (70°F). This month is significantly wetter, accumulating around 207 mm (8.1 inches) of rain over 14 days, coupled with a slight increase in humidity at 85%. For a closer look at the weather in May, visit Longmen weather in May.

The weather in December is markedly colder and drier compared to June. With minimum temperatures dropping to -5°C (23°F) and a maximum of 19°C (67°F), December experiences an average temperature of just 6°C (43°F). In contrast, June boasts a significantly warmer climate, with temperatures ranging from a minimum of 14°C (57°F) to a high of 34°C (94°F), averaging around 24°C (76°F). Additionally, December sees around 60 mm (2.4 in) of precipitation over 8 days, whereas June is much wetter with 355 mm (14.0 in) of rainfall spread across 18 days. This is complemented by June's higher humidity of 85% compared to December's 77%. For more detailed weather information, you can refer to Longmen weather in June.

December and July weather present stark contrasts. In December, temperatures range from a chilly -5°C (23°F) at night to a mild average of 6°C (43°F) during the day, peaking at 19°C (67°F). This month experiences 60 mm (2.4 in) of precipitation over 8 days, with a humidity level of 77%. In contrast, July is characterized by much warmer temperatures, with nighttime lows of 19°C (66°F) and an average high of 27°C (81°F), peaking at a scorching 38°C (101°F). The month sees significantly more rainfall, totaling 333 mm (13.1 in) over 19 days, and the humidity climbs to 90%. For more details on weather specifics in July, you can check out Longmen weather in July.

December and August exhibit stark contrasts in weather. December averages a chilly 6°C (43°F), with temperatures ranging from a chilly -5°C (23°F) at night to a mild 19°C (67°F) during the day. In contrast, August boasts a much warmer average of 27°C (82°F), with daytime highs reaching up to 36°C (97°F) and nighttime lows rarely falling below 17°C (63°F). Precipitation also varies significantly; December receives about 60 mm (2.4 in) over 8 days, while August sees a much higher total of 179 mm (7.1 in) over 17 rainy days, making it the wetter month. Additionally, humidity levels are higher in August at 88%, compared to December's 77%. For more details, visit Longmen weather in August.

December and September present stark contrasts in weather patterns. In December, temperatures can plunge to a minimum of -5°C (23°F), with an average of 6°C (43°F) and a maximum reaching 19°C (67°F). The month is characterized by higher humidity at 77% and lighter precipitation, totaling 60 mm (2.4 in) over about 8 days. In contrast, September boasts significantly warmer conditions, starting from a minimum of 14°C (58°F), averaging 23°C (74°F), and soaring to a maximum of 35°C (95°F). Precipitation levels are more pronounced in September, with 141 mm (5.6 in) falling over 13 days, alongside slightly lower humidity at 75%. For a more detailed understanding of September weather, you can explore Longmen weather in September.

When comparing the weather in December and October, some notable differences emerge. December experiences colder temperatures, with a minimum of -5°C (23°F) and an average of 6°C (43°F), while October boasts milder conditions, ranging from a minimum of 6°C (44°F) to an average of 17°C (63°F). In terms of extremes, October can reach maximum temperatures of up to 35°C (94°F), significantly warmer than December's maximum of 19°C (67°F). Precipitation levels are higher in December at 60 mm (2.4 in) over 8 days, compared to October's 37 mm (1.4 in) over just 7 days. Humidity remains relatively consistent, with December at 77% and October slightly lower at 76%. For a detailed look at October weather, visit Longmen weather in October.

December weather is generally colder and wetter compared to November. In December, temperatures range from a minimum of -5°C (23°F) to a maximum of 19°C (67°F), with an average of 6°C (43°F). In contrast, November features milder temperatures, with a minimum of 0°C (32°F) and a maximum of 26°C (79°F), averaging around 12°C (54°F). Additionally, December sees slightly more precipitation, totaling 60 mm (2.4 in) over 8 days, compared to November's 51 mm (2.0 in) across 10 days. Furthermore, humidity in December is slightly lower at 77%, as opposed to November's 84%. For a more detailed look at November weather in Longmen, you can explore Longmen weather in November.

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Conclusion: What to Expect From December Weather in Longmen

As December rolls into Longmen, the weather showcases a distinct shift from the milder temperatures of earlier months. With temperatures dipping to a brisk average of 6°C, it’s a stark contrast to the warmth of autumn, while the maximums cap at a cool 19°C. The likelihood of precipitation increases, with about 60 mm spread over 8 days, making December one of the wetter months—a time when the landscape turns vibrant as the chill in the air blends with the winter rains. Humidity levels remain high at 77%, accentuating the crispness typical of this season. Embrace the unique charm of December and discover more about the year's weather patterns in Longmen through this link: Longmen Climate.