December Weather in Longmen, China

Last updated: August 21, 2025

In December, Longmen, China experiences a cool, crisp climate characterized by an average temperature of 8°C (47°F), with highs reaching 17°C (63°F) and lows dipping to 0°C (33°F). This month sees about 38 mm (1.5 in) of precipitation spread over 9 days, contributing to a humidity level of 81% that enhances the chilly ambiance. Visitors should prepare for occasional rain and cozy temperatures as they explore the region's stunning landscapes during this tranquil winter month.

December Temperature in Longmen

As December settles in Longmen, the temperatures begin to dip, signaling the onset of winter. The month typically experiences a minimum temperature of 0°C (33°F), while the average hovers around 8°C (47°F), providing a noticeable chill in the air. With daytime highs reaching only 17°C (63°F), December's climate offers a stark contrast to the warmer months preceding it. This gradual drop in temperatures serves as a prelude to January's colder extremes, inviting the community to embrace the winter's coziness. As the year winds down, December in Longmen captures the serene beauty of winter, with a landscape that transforms under cooler skies and the promise of the festive season.

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).
JanFebMarAprMayJunJulAugSepOctNovDec454857647076818373635546
Data source: Temperature data for Longmen generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Longmen

In Longmen, China, December sees a significant drop in precipitation, with just 38 mm (1.5 inches) of rainfall recorded over 9 days, marking the driest month of the year. This contrasts sharply with the rain-soaked summer months, peaking in July at 265 mm (10.4 inches) over 18 days. As the seasons transition from autumn to winter, the precipitation begins to taper off, culminating in a marked reduction from November's 76 mm (3.0 inches). This trend reflects a more stable climate in December, offering a reprieve before the heavy rains return in the spring. Overall, the data emphasizes Longmen's shift to a drier winter, highlighting a cyclical pattern in its climate throughout the year.

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.
JanFebMarAprMayJunJulAugSepOctNovDec42671371851772152651612261607638
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 typically sees a humidity level of 81%, maintaining a relatively consistent atmosphere as the year winds down. This figure reflects a slight drop from the elevated humidity peaks of March and July, which record remarkable highs of 87%, yet it remains comfortably above the monthly average. Throughout the year, humidity tends to be higher in the warmer months, peaking in the summer and gradually decreasing as autumn transitions into winter. December's figures align closely with those of October and November, indicating that while the air might feel a bit crisper, it still retains a notable moisture content that characterizes Longmen's climate.

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.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%87%82%83%84%87%85%77%81%86%81%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Longmen

As December rolls into Longmen, China, the UV Index dips to a more manageable 4, categorizing exposure as moderate with a burn time of approximately 30 minutes. This marks a notable decline from the intense 12 seen in the peak summer months, illustrating a seasonal trend where UV radiation gradually lessens. Following the extreme conditions of late spring and summer, which boasted indices above 10, December offers a welcome reprieve for sun-seekers and those planning outdoor activities. Though the UV index in December may be lower, it's still wise to remain vigilant and protect your skin during those peak hours. For a more detailed look at UV trends throughout the year, visit 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.
JanFebMarAprMayJunJulAugSepOctNovDec568101111121211964
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 experiences a modest 151 hours of sunshine, marking a continuation of the trend established during the late autumn months. As the year progresses from January through August, sunshine hours steadily increase, peaking in August with an impressive 319 hours. However, a noticeable decline occurs in the subsequent months, with September dropping to 218 hours before settling into a quieter end-of-year rhythm. This cyclical pattern highlights Longmen's generally bright summer days that gracefully transition into the more subdued winter months, creating a rhythmic dance of sunlight throughout the 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.
JanFebMarAprMayJunJulAugSepOctNovDec124h171h204h229h250h262h294h319h218h151h151h151h
Data source: Longmen December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Longmen During December

In Longmen, China, the likelihood of sunny weather in December is relatively promising at 34%, indicating a slight uptick as the year winds down. Compared to the preceding months, December shows a modest increase from November's 28% and aligns closely with the chances seen earlier in the year, like January's 36% and July's 33%. This trend suggests that while December may not boast the sunniest days, it certainly offers a better chance for clearer skies than the rainy pace of the spring and summer. As winter approaches, residents and visitors can remain hopeful for those rare sunny days amidst the cooler temperatures.

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.
JanFebMarAprMayJunJulAugSepOctNovDec36%32%26%15%15%15%33%27%35%19%28%34%
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 23m11h 5m11h 59m12h 55m13h 41m14h 5m13h 53m13h 12m12h 19m11h 23m10h 35m10h 11m
Data source: Longmen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Longmen

As December unfolds in Longmen, China, the average wind speed settles at 1.2 m/s (3 mph), marking a subtle decline from the slightly breezier autumn months. The wind's gentle presence, characteristic of the late year, echoes a trend observed throughout the colder season, where speeds consistently hovered around the 1.2 to 1.4 m/s range. Notably, September experienced a brief uptick, with winds reaching 1.6 m/s (4 mph), but subsequent months returned to a tranquil cadence. This consistent mildness in December invites locals and visitors alike to appreciate the serene beauty of the landscape, as the gentle winds provide a soothing backdrop to the picturesque winter scenery.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1.31.41.51.41.31.31.31.41.61.31.21.2 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.

December and January exhibit some notable differences in weather patterns. December tends to be milder, with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 17°C (63°F), while January dips slightly cooler, with temperatures ranging from -2°C (28°F) to 15°C (59°F). Precipitation is slightly higher in January, totaling 42 mm (1.7 in) over 8 days compared to December's 38 mm (1.5 in) across 9 days. Additionally, January experiences lower humidity at 72%, compared to December's 81%, indicating a drier atmosphere as the year progresses. For more detailed information, check Longmen weather in January.

December and February present distinct weather patterns. In December, temperatures range from a minimum of 0°C (33°F) to a maximum of 17°C (63°F), with an average of 8°C (47°F). The month experiences a moderate precipitation level of 38 mm (1.5 in) over 9 days and a high humidity of 81%. In contrast, February sees a slightly milder average temperature of 9°C (48°F), with highs reaching up to 25°C (77°F) while maintaining the same minimum of 0°C (32°F). Precipitation increases to 67 mm (2.7 in) over 9 days, and humidity drops to 76%. For more detailed insights, you can check Longmen weather in February.

December and March present contrasting weather conditions. In December, temperatures typically range from a chilly minimum of 0°C (33°F) to a mild maximum of 17°C (63°F), with an average of 8°C (47°F). This month sees lower precipitation levels at 38 mm (1.5 in) over about 9 days. In contrast, March experiences a significant increase in warmth, with minimum temperatures starting at 5°C (42°F) and soaring to a high of 30°C (87°F), averaging around 14°C (57°F). However, this comes with more rainfall, totaling 137 mm (5.4 in) spread across 15 days, and slightly higher humidity at 87%. For a detailed look at the weather in March, check out Longmen weather in March.

In December, the weather is noticeably cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 17°C (63°F) and an average of 8°C (47°F). This month sees relatively low precipitation, with 38 mm (1.5 in) spread over 9 days, and humidity levels resting at around 81%.

In contrast, April brings significantly warmer temperatures, with minimums reaching 8°C (46°F) and highs soaring to 33°C (92°F), averaging 18°C (64°F). However, April is much wetter, with total precipitation of 185 mm (7.3 in) across 16 days, while the humidity remains quite similar at 82%. For more details on April weather, you can check Longmen weather in April.

December and May present contrasting weather patterns. In December, temperatures range from a chilly 0°C (33°F) to a mild 17°C (63°F), with an average of 8°C (47°F). The month sees about 38 mm (1.5 in) of precipitation over 9 days, accompanied by high humidity at 81%. In stark contrast, May boasts significantly warmer weather, with temperatures spiking from a minimum of 11°C (52°F) to a scorching maximum of 35°C (95°F) and an average of 21°C (70°F). This month also experiences higher rainfall, totaling 177 mm (7.0 in) across 17 days, while humidity remains slightly elevated at 83%. For a deeper look at the weather specifics, visit Longmen weather in May.

December and June present strikingly different weather conditions. In December, temperatures range from a chilly minimum of 0°C (33°F) to a mild maximum of 17°C (63°F), with an average of 8°C (47°F). The month sees a modest level of precipitation totaling 38 mm (1.5 in) over 9 days, accompanied by humidity levels around 81%. In contrast, June brings significantly warmer temperatures, with a low of 14°C (58°F) and highs peaking at 35°C (96°F), averaging 24°C (76°F). This month is considerably wetter, receiving 215 mm (8.5 in) of rainfall over 16 days, while humidity is slightly higher at 84%. To explore more about the weather in June specifically, you can visit Longmen weather in June.

December and July present stark contrasts in weather conditions. In December, temperatures range from a chilly minimum of 0°C (33°F) to a comfortable maximum of 17°C (63°F), with an average of 8°C (47°F). The month sees relatively low precipitation at 38 mm (1.5 in) spread over 9 days, accompanied by a humidity level of 81%. In contrast, July experiences sweltering heat, with temperatures ranging from a minimum of 20°C (67°F) to a scorching maximum of 38°C (101°F) and an average of 27°C (81°F). Precipitation significantly increases to 265 mm (10.4 in), falling on 18 days, and humidity rises slightly to 87%. This comparison highlights the dramatic seasonal shift, showcasing December as a cool, damp month compared to the hot and wet conditions of July. For more details on July weather, you can view Longmen weather in July.

December and August exhibit stark contrasts in weather conditions. In December, temperatures range from a chilly 0°C (33°F) to a mild maximum of 17°C (63°F), with an average of 8°C (47°F). This month is relatively dry, receiving 38 mm (1.5 in) of precipitation over about 9 days, and the humidity levels are fairly high at 81%. In contrast, August is characterized by much warmer temperatures, with lows of 18°C (64°F), averages around 28°C (83°F), and peaks that can soar to 39°C (102°F). This month experiences significantly more rainfall, totaling 161 mm (6.3 in) across 14 days, and a slightly higher humidity level of 85%. For a closer look at August weather specifics, visit Longmen weather in August.

In December, the weather tends to be much cooler, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 17°C (63°F), and an average of 8°C (47°F). Conversely, September experiences significantly warmer conditions, with temperatures ranging from a minimum of 16°C (60°F) to a maximum of 36°C (96°F) and an average of 23°C (74°F). Additionally, December sees less precipitation, with only 38 mm (1.5 in) over about 9 days, while September witnesses a much dampier climate, receiving 225 mm (8.9 in) across 17 days. Humidity levels are notably higher in December at 81%, compared to September’s 77%. For a closer look at September's weather, check out Longmen weather in September.

In comparing the weather of December and October, notable differences emerge. December experiences cooler temperatures, with a minimum of 0°C (33°F), an average of 8°C (47°F), and a maximum of 17°C (63°F). In contrast, October boasts much warmer conditions, with a minimum of 11°C (51°F), an average of 17°C (64°F), and a peak temperature that can soar to 34°C (93°F). Additionally, October sees significantly more rainfall, with a total precipitation of 160 mm (6.3 in) over 16 days, compared to December's milder 38 mm (1.5 in) spread over 9 days. Both months maintain the same humidity level of 81%, but the overall climate in October is much more dynamic and humid. For a detailed look at October's weather, you can refer to this link: Longmen weather in October.

In November, the weather tends to be milder with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 25°C (76°F), resulting in an average of 13°C (55°F). The month experiences more precipitation, totaling 76 mm (3.0 in) over 11 days, along with higher humidity of 86%. In contrast, December marks a significant drop in temperatures, with a minimum of 0°C (33°F) and a maximum of 17°C (63°F), leading to an average temperature of 8°C (47°F). Precipitation decreases as well, totaling 38 mm (1.5 in) over 9 days, and humidity slightly drops to 81%. For a more detailed look at the weather conditions in November, you can check Longmen weather in November.

Compare Longmen's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Longmen

December in Longmen marks a distinct transition as the year's final month ushers in cooler temperatures and heightened humidity. With the mercury dipping significantly, residents experience a notable departure from the milder months preceding it. This month is characterized by a mix of chilly days and a fair share of rainfall, contributing to an overall damp atmosphere. The combination of lower temperatures and increased precipitation creates a unique winter mood, setting the scene for a cozy close to the year. For a more detailed look at weather patterns throughout the year, visit Longmen Climate.