December Weather in Longmen, China

Last updated: August 21, 2025

In December, Longmen, China experiences a moderate climate defined by a maximum temperature of 29°C (84°F) and an average of 19°C (66°F), providing a pleasant atmosphere for visitors. The minimum temperature dips to 8°C (46°F), making warmer layers advisable for cooler evenings. Precipitation is relatively low, with only 13 mm (0.5 in) expected over three days, allowing for ample dry spells to explore the region. With humidity hovering around 70%, the air remains comfortably crisp, ensuring a refreshing escape into the beauty of Longmen during this winter month.

December Temperature in Longmen

In December, Longmen, China, experiences a gentle transition as temperatures cool from the warmer months. With a minimum of 8°C (46°F) and an average temperature of 19°C (66°F), the chill begins to settle in, providing a crisp atmosphere. This month sees maximum temperatures reaching 29°C (84°F), reflecting a slight dip from the intense heat of summer, yet still allowing for comfortable daytime moments. Compared to the preceding months, December serves as a bridge, offering a blend of cooler evenings and pleasant afternoons that encourage outdoor activities in a refreshing climate. As the year winds down, the temperatures hint at the calm comfort of winter, creating a harmonious balance in Longmen’s seasonal tapestry.

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).
JanFebMarAprMayJunJulAugSepOctNovDec656674778386868483787366
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 experiences a notable decline in precipitation, receiving only 13 mm (0.5 in) of rain across just 3 days. This marks a significant reduction compared to the wetter months leading up to it, particularly August, which sees the highest rainfall at 318 mm (12.5 in) over 25 days. The trend from the peak rainy season to late autumn reveals a steady decrease in both precipitation amounts and rainy days, indicating a shift toward the drier winter months. As the year wraps up, December's light showers serve as a gentle reminder of the lush conditions that characterized the summer, providing a contrast to the more arid weather that typically follows.

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.
JanFebMarAprMayJunJulAugSepOctNovDec103836941411762013181961412613
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Longmen

December in Longmen, China, sees a moderate humidity level of 70%, creating a comfortable yet slightly damp atmosphere as the year draws to a close. This figure reflects a slight dip from November’s 69%, continuing a trend of gradually decreasing humidity after the peak of 86% during the summer months of July and August. Following a steady rise from the lower levels observed in early winter, this month marks a transition as it wraps up a year characterized by higher humidity, peaking in the sultry summer. With humidity trending downwards as winter approaches, residents can expect a more pleasant start to the chillier season.

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.
JanFebMarAprMayJunJulAugSepOctNovDec66%72%73%71%76%79%86%86%78%72%69%70%
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 displays significant variability throughout the year, peaking during the summer months. December presents a UV Index of 8, which falls into the very high exposure category, necessitating caution with a burn time limited to just 15 minutes. This trend of elevated UV levels begins as early as January and escalates to an extreme UV Index of 14 in both July and August. Notably, the highest readings occur from March to August, indicating a crucial window for sun protection, while the index dips back to lower levels in November and December. For more detailed insights on UV exposure, 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.
JanFebMarAprMayJunJulAugSepOctNovDec810121313131414121298
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 welcomes a generous 258 hours of sunshine, providing a warm close to the year. As the days grow shorter, this sunny month stands out against the backdrop of the year's total sunshine, beginning with a low of 193 hours in January and gradually rising through the spring months to a peak of 316 hours in May. This progressive increase highlights an unmistakable trend toward longer, sunlit days in the warmer seasons, peaking in the summer before tapering off in the fall. December, while a bridge to winter, retains a comforting glow, allowing residents and visitors to bask in the soft winter light, reminiscent of the vibrant sunshine experienced earlier in 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.
JanFebMarAprMayJunJulAugSepOctNovDec193h251h279h281h316h305h315h282h298h281h264h258h
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, December brings a 50% chance of sunny weather, offering a fair balance between sunshine and clouds as the year draws to a close. This likelihood reflects a slight dip from November's 62%, when the sun shines more frequently, highlighting a common trend of diminishing sun exposure as winter approaches. Interestingly, the chance of sunny days fluctuates throughout the year, peaking in February at 56% and dipping to 16% in June, showcasing a clear seasonal variation. Overall, while December may not guarantee consistent sunlight, it still promises a decent opportunity to bask in the winter sun amid the diverse weather patterns of the region.

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%56%40%39%42%17%32%18%41%32%62%50%
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 rhythm of daylight unfolds throughout the year, showcasing a captivating pattern. Starting with 11 hours of sunlight in January and February, the days gradually lengthen as spring approaches, reaching 12 hours in March and April. By May and June, the sun graces the region with 13 hours of daylight, offering ample time for outdoor activities in the warmer months. As summer wanes, daylight begins to retreat, with August and September maintaining 12 hours, before tapering off to 11 hours in October and November. Finally, December ushers in the shortest days of the year, with just 10 hours of daylight. This gradual ebb and flow of light not only marks the changing seasons but also nurtures the local culture and lifestyle.

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.
JanFebMarAprMayJunJulAugSepOctNovDec11h11h 26m12h 1m12h 37m13h 6m13h 21m13h 14m12h 48m12h 14m11h 38m11h 8m10h 52m
Data source: Longmen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Longmen

As December settles over Longmen, China, the average wind speed remains steady at 3.3 m/s (7 mph), mirroring the mild breezes of November. Reflecting a slight uptick from the gentler gusts of the earlier months, the wind progression throughout the year reveals interesting patterns. After a notable peak in October at 4.4 m/s (10 mph), the winds begin to mellow entering the winter season. From a high in March, when the winds stir to 3.6 m/s (8 mph), a gradual decline is observed through the summer, hitting a seasonal low of 2.2 m/s (5 mph) in September. This consistent wind speed in December suggests a tranquil environment, perfect for those seeking a serene winter experience in Longmen.

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.
JanFebMarAprMayJunJulAugSepOctNovDec3.22.83.63.42.93.43.02.82.24.43.33.3 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 range from a minimum of 8°C (46°F) to a maximum of 29°C (84°F), with an average of 19°C (66°F) and a humidity level of 70%. The month experiences light precipitation, totaling 13 mm (0.5 in) over three days. In contrast, January sees slightly cooler temperatures, with a minimum of 6°C (44°F) and a maximum of 28°C (82°F), averaging 18°C (65°F). Rainfall also diminishes to 10 mm (0.4 in) over the same three days, and humidity decreases to 66%. For more detailed weather information, visit Longmen weather in January.

In December, the weather features mild temperatures with a minimum of 8°C (46°F) and a maximum of 29°C (84°F), averaging around 19°C (66°F). The month sees relatively low precipitation, totaling 13 mm (0.5 in) over just three days, and humidity is around 70%. In contrast, February experiences slightly cooler minimum temperatures of 5°C (41°F) but boasts a higher maximum of 32°C (89°F), maintaining the same average of 19°C (66°F). However, February is wetter, with 38 mm (1.5 in) of rainfall over five days and a comparable humidity level of 71%. For more details on February weather patterns, visit Longmen weather in February.

December and March exhibit notable differences in weather patterns. In December, temperatures range from a minimum of 8°C (46°F) to a maximum of 29°C (84°F), with an average of 19°C (66°F). The month experiences minimal precipitation, averaging just 13 mm (0.5 in) over three days, while the humidity is relatively high at 70%. In contrast, March brings warmer temperatures, with a minimum of 12°C (54°F), an average of 23°C (74°F), and a maximum soaring to 35°C (96°F). This month sees a significant increase in precipitation to 36 mm (1.4 in) over eight days, coupled with a slight rise in humidity to 73%. For more detailed insights, check Longmen weather in March.

In December, the weather tends to be milder, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 29°C (84°F) and relatively low precipitation at just 13 mm (0.5 in) over three days, while maintaining a humidity level of around 70%. In contrast, April experiences much warmer temperatures, with a minimum of 12°C (54°F) and soaring daytime highs reaching up to 36°C (97°F). This month also sees significantly more rainfall, totaling 94 mm (3.7 in) over 13 days, with humidity slightly increasing to 71%. For more detailed insights into April weather specifics, you can check Longmen weather in April.

December weather typically sees milder temperatures, with minimums around 8°C (46°F) and maximums reaching 29°C (84°F), alongside relatively low precipitation of only 13 mm (0.5 in) over just 3 days. In contrast, May experiences warmer conditions, with minimum temperatures of 16°C (61°F) and maximums soaring to 38°C (101°F), accompanied by significant rainfall totaling 141 mm (5.6 in) spread over 17 days. Additionally, the humidity rises slightly in May to 76%, compared to December's 70%, making the latter part of the year feel more comfortable and drier. For a closer look at May weather specifics, visit Longmen weather in May.

In December, the weather is notably milder, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 29°C (84°F) and an average of 19°C (66°F). It experiences relatively low precipitation, averaging just 13 mm (0.5 in) over three days, and the humidity sits at a comfortable 70%. In contrast, June brings significantly warmer conditions, with temperatures ranging from a minimum of 24°C (76°F) to a peak of 38°C (101°F), averaging around 30°C (86°F). This month is characterized by much higher precipitation levels of 176 mm (6.9 in) spread over 16 days, and humidity rises to 79%. For a closer look at June weather specifics, you can explore Longmen weather in June.

December and July weather in Longmen show stark contrasts, both in temperature and precipitation. In December, temperatures range from a comfortable minimum of 8°C (46°F) to a pleasant maximum of 29°C (84°F), with an average of 19°C (66°F) and only a minor precipitation of 13 mm (0.5 in) spread over just 3 days. In comparison, July brings significantly warmer conditions, with temperatures ranging from a minimum of 25°C (77°F) to a scorching maximum of 40°C (104°F) and an average of 30°C (86°F). Additionally, July experiences much higher precipitation levels of 201 mm (7.9 in) over 20 days, accompanied by increased humidity at 86%. For more detailed information, you can check Longmen weather in July.

In December, the weather in Longmen is mild, with average temperatures ranging from a minimum of 8°C (46°F) to a maximum of 29°C (84°F), and relatively low precipitation at just 13 mm (0.5 in) over three days. The humidity sits at 70%, making for a comfortable climate. Conversely, August experiences much warmer conditions, with temperatures soaring from a minimum of 24°C (76°F) to a sweltering maximum of 35°C (96°F). The month is characterized by high rainfall, accumulating 318 mm (12.5 in) over 25 days, and elevated humidity levels of 86%. For more specific weather details, check out Longmen weather in August.

In December, the weather in Longmen is considerably milder, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 29°C (84°F) and an average around 19°C (66°F). The month experiences low precipitation, totaling just 13 mm (0.5 in) over about three days, making it a relatively dry period with 70% humidity. In contrast, September is much warmer, with temperatures varying from a minimum of 23°C (73°F) to a scorching maximum of 35°C (95°F) and an average of 28°C (83°F). This month is characterized by significant rainfall, receiving 196 mm (7.7 in) across approximately 22 days, along with higher humidity at 78%. For more details on September weather patterns, you can refer to Longmen weather in September.

In comparing the weather between October and December, October experiences warmer temperatures with a minimum of 17°C (63°F) and an average of 26°C (78°F), peaking at 33°C (92°F). This month also sees significantly more precipitation, totaling 141 mm (5.5 in) over 14 days, resulting in a slightly higher humidity level at 72%. In contrast, December offers milder weather, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 29°C (84°F) and only 13 mm (0.5 in) of precipitation spread over 3 days. Overall, October is characterized by hotter conditions and more frequent rainfall compared to the drier and cooler December. For more details on October's weather, you can check out Longmen weather in October.

When comparing the weather from November to December, there are some notable differences. December experiences a drop in minimum temperatures, averaging 8°C (46°F), which is 4°C cooler than November's minimum of 12°C (54°F). While December has a slightly lower average temperature of 19°C (66°F) compared to November's 23°C (74°F), it also sees a maximum temperature of 29°C (84°F), still warm, yet lower than November's peak of 31°C (88°F). Additionally, December has less precipitation, with only 13 mm (0.5 in) over 3 days, compared to November's 26 mm (1.0 in) over 4 days. Humidity remains relatively stable between the two months, with December at 70% and November slightly lower at 69%. For more detailed insights on November weather, you can check Longmen weather in November.

Compare Longmen's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Longmen

As December rolls into Longmen, the weather takes a noticeable turn, moving away from the warmth of the preceding months. With milder temperatures averaging around 19°C (66°F), the chilly evenings, dipping to about 8°C (46°F), invite cozy gatherings. Humidity levels remain fairly high at 70%, adding a refreshing chill to the air, while slight precipitation becomes more common, with 13 mm falling over just a few days. Compared to the balmy summer months, December offers a refreshed ambiance, making it an ideal time to explore the scenic beauty of the region. Learn more about this seasonal shift in the climate by visiting Longmen Climate.