December Weather in Longmen, China

Last updated: August 21, 2025

In December, Longmen, China experiences a striking blend of chilly weather and occasional precipitation. With maximum temperatures reaching up to 23°C (73°F) and an average of 8°C (46°F), residents and visitors can expect cool days alongside colder nights, where temperatures may dip to a minimum of -4°C (25°F). This month also brings about 73 mm (2.9 in) of rainfall across approximately 9 days, contributing to a humidity level of 78% that enhances the brisk winter atmosphere. Whether exploring the scenic beauty of Longmen or enjoying its cultural offerings, prepare for a refreshing December experience.

December Temperature in Longmen

As December arrives in Longmen, China, temperatures begin to dip significantly, transitioning from the mildness of November. The minimum temperature may fall to a brisk -4°C (25°F), while the average hovers around a chilly 8°C (46°F), fluctuating dramatically compared to the preceding months. The maximum temperature can reach a comfortable 23°C (73°F), offering brief moments of warmth amidst the winter chill. This month marks a clear turn towards colder weather, reflecting the gradual descent into winter, where chilly nights and cool days become the norm. The contrast between the highs and lows serves as a reminder of the seasonal shifts, anchoring Longmen firmly in the heart of winter.

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).
JanFebMarAprMayJunJulAugSepOctNovDec424555637277848577665746
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 December, Longmen, China experiences a moderate amount of precipitation, with 73 mm (2.9 in) falling over the month, spread across 9 days. This marks a slight decrease from the wetter months preceding it, such as May and June, where rainfall peaked at 190 mm (7.5 in) and 385 mm (15.2 in) respectively. Interestingly, December’s precipitation aligns closely with February's levels, suggesting a transition to drier conditions as winter sets in. The consistent rainfall pattern throughout the year highlights Longmen's diverse climate, with a distinct shift to lighter precipitation as the year concludes, paving the way for the drier winter months 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.
JanFebMarAprMayJunJulAugSepOctNovDec7973138107190385301183143606473
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 slight reprieve from the peak moisture levels of summer, with humidity dropping to 78%. This month marks a low point compared to the sweltering July, which often reaches a staggering 91%. As the year unfolds, there is a clear upward trend from the drier winter months, starting at 65% in January and inching towards the humid embrace of late spring and summer. While December's humidity is lower than the autumn average, it still retains a notable moisture level compared to the earlier months of the year. With this rich humidity in December, Longmen remains a captivating place where the changing seasons continuously adapt the air's character.

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.
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 Longmen

In December, Longmen, China, experiences a moderate UV Index of 5, offering a welcome reprieve from the extreme levels seen in the preceding months. As temperatures drop, the risk of sunburn decreases, with a safe exposure time extending to 30 minutes. This shift follows a trend of increasing UV intensity from January's high category (UV Index 6) through the summer months, peaking at an extreme UV Index of 12 in June. As the year winds down, residents and visitors can enjoy outdoor activities with more time for safety in the sun. For more details on UV levels throughout the year, 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.
JanFebMarAprMayJunJulAugSepOctNovDec679101112111110865
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 shines with 203 hours of sunshine, mirroring the brightness of November. As winter approaches, the region experiences a steady decline from the summer peak of 309 hours in August, showcasing a delightful transition through the seasons. The year begins with more modest sunlight in January at 138 hours, gradually building to a glorious 264 hours by May. The trend highlights the increasing daylight as spring and summer unfold, before tapering off in the cooler months. Despite December's chill, it offers a significant amount of sunshine, inviting residents and visitors alike to enjoy the crisp winter days bathed in natural light.

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.
JanFebMarAprMayJunJulAugSepOctNovDec138h187h201h245h264h234h273h309h236h218h203h203h
Data source: Longmen December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Longmen During December

December in Longmen, China, brings a refreshing 65% chance of sunny weather, a significant uptick compared to the preceding months. This trend highlights December as a particularly bright and inviting time of year, especially following the relatively cloudy days of summer, where the likelihood of sunshine plummets to just 13% in July. As autumn transitions into winter, the chance of sun rises notably; November experiences a 44% chance, setting the stage for December’s more luminous prospects. The data suggests that if you're hoping to soak up some rays, December's sunny disposition might just be the perfect opportunity to enjoy the outdoors in Longmen.

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%36%25%28%26%17%13%28%42%36%44%65%
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 26m11h 6m11h 59m12h 53m13h 39m14h 2m13h 50m13h 10m12h 18m11h 24m10h 37m10h 14m
Data source: Longmen daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Longmen

In Longmen, China, the December wind carries a gentle whisper, averaging around 1.9 m/s (4 mph). This modest breeze mirrors the trend seen throughout the year, showcasing a shift toward softer winds as the seasons change. Following the summer peak in July, where gusts reached 2.6 m/s (6 mph), the subsequent months gradually settled into a calmer rhythm, encapsulating the essence of winter. Interestingly, while December's winds maintain a light touch, they reflect the stability found in the latter half of the year, which consistently hovers around the 4 mph mark. This steady pattern not only marks the approach of colder days but also creates a serene atmosphere for the residents, inviting cozy moments as the year comes to a satisfying close.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.02.02.01.91.52.61.61.92.11.91.9 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.

December and January exhibit some notable differences in weather conditions. In December, temperatures range from a minimum of -4°C (25°F) to an average of 8°C (46°F), with maximums reaching 23°C (73°F). The month sees a total precipitation of 73 mm (2.9 in) across 9 days, accompanied by a higher humidity of 78%. In contrast, January experiences colder temperatures, with minimums dropping to -10°C (14°F) and an average of 6°C (43°F). Despite the slight increase in precipitation to 79 mm (3.1 in) over 10 days, the humidity decreases to 65%. For a more detailed overview, you can visit Longmen weather in January.

In comparing the weather between December and February, we observe a slight dip in the average temperature, with December averaging 8°C (46°F) compared to February's 7°C (45°F). Both months experience similar minimum temperatures of -4°C (25°F), but February sees a higher maximum temperature of 27°C (81°F) compared to December's 23°C (73°F). Precipitation levels are consistent, with December receiving 73 mm (2.9 in) over 9 days and February also receiving 73 mm (2.9 in) but over 10 days, resulting in a marginally wetter month. Additionally, February boasts lower humidity at 71% compared to December's 78%. For more detailed insights, you can check Longmen weather in February.

December's weather is characterized by cooler temperatures, with averages ranging from a chilly -4°C (25°F) at night to a mild 23°C (73°F) during the day. The month sees approximately 73 mm (2.9 in) of precipitation over about 9 days, accompanied by a relatively high humidity level of 78%. In contrast, March experiences a noticeable warming trend, with temperatures rising to an average minimum of 1°C (35°F) and daytime highs reaching 29°C (85°F). However, March also witnesses increased precipitation, totaling 138 mm (5.4 in) across about 15 days, and a slight increase in humidity at 81%. For a more detailed look at the weather in March, visit Longmen weather in March.

In December, temperatures range from a chilly minimum of -4°C (25°F) to a mild maximum of 23°C (73°F), with an average of 8°C (46°F). The month sees approximately 73 mm (2.9 in) of precipitation over 9 days, accompanied by a humidity level of 78%. In contrast, April brings significantly warmer weather, with temperatures fluctuating between a minimum of 2°C (36°F) and a maximum of 33°C (92°F), averaging 17°C (63°F). This month experiences greater precipitation at 107 mm (4.2 in) over 12 days and slightly higher humidity at 86%. For more detailed information, you can check Longmen weather in April.

In December, the weather is marked by cooler temperatures, averaging around 8°C (46°F), with lows dipping to -4°C (25°F) and highs reaching up to 23°C (73°F). The month sees a moderate amount of rainfall, with precipitation totaling 73 mm (2.9 in) over about 9 days, accompanied by a humidity level of 78%. Conversely, May offers a significantly warmer climate, with average temperatures soaring to 22°C (72°F), and extremes ranging from a minimum of 10°C (51°F) to a scorching maximum of 37°C (99°F). This month is also much wetter, experiencing 190 mm (7.5 in) of rainfall over 14 days and slightly higher humidity at 87%. The drastic differences in weather between December and May highlight the changing seasons and their impacts on the region. For more detailed information, check out Longmen weather in May.

December and June present a stark contrast in weather conditions. December experiences cooler temperatures, with a minimum of -4°C (25°F) and an average of 8°C (46°F), making it a much chillier month compared to June, which boasts a minimum temperature of 16°C (61°F) and an impressive average of 25°C (77°F). While December sees a moderate amount of precipitation at 73 mm (2.9 in) over 9 days, June is characterized by significantly heavier rainfall, accumulating 385 mm (15.2 in) over 19 days. Additionally, June exhibits higher humidity levels at 87%, compared to December's 78%, creating a muggy atmosphere in the summer months. For a closer look at the June weather conditions, visit Longmen weather in June.

When comparing the weather in December and July, the differences are striking. December typically sees much cooler temperatures, with minimums dropping to -4°C (25°F) and an average of 8°C (46°F), while July boasts a much warmer climate, with minimums around 21°C (69°F) and averages soaring to 29°C (84°F). Precipitation levels also vary significantly; December has about 73 mm (2.9 in) of rain over 9 days, in stark contrast to July's substantial 301 mm (11.8 in) over 18 days. Additionally, humidity levels are higher in July at 91% compared to December's 78%. For a detailed look at July weather specifics, you can check Longmen weather in July.

December and August display stark contrasts in weather conditions. In December, temperatures can dip as low as -4°C (25°F) at night, but can reach a comfortable average of 8°C (46°F) during the day, with highs peaking at 23°C (73°F). The month experiences moderate precipitation at 73 mm (2.9 in) over 9 days, accompanied by a humidity level of 78%. In contrast, August boasts much warmer temperatures, with lows around 18°C (65°F) and averages soaring to 29°C (85°F), hitting a maximum of 39°C (102°F). This month is also wetter, with substantial rainfall amounting to 183 mm (7.2 in) over 14 days and higher humidity at 87%. For more detailed insights, check out Longmen weather in August.

When comparing the weather in December and September, it's clear that December brings much cooler temperatures, with a minimum of -4°C (25°F) and an average of 8°C (46°F), while September enjoys much warmer conditions, averaging around 25°C (77°F) with highs reaching up to 36°C (97°F). Additionally, December sees significantly lower precipitation, with 73 mm (2.9 in) over 9 days, whereas September experiences heavier rainfall at 143 mm (5.6 in) across 14 days. Humidity levels are fairly close, with December at 78% and September at 72%. For more details about September weather, check out Longmen weather in September.

In comparing the weather of December and October, it is evident that December tends to be significantly cooler, with average temperatures ranging from a minimum of -4°C (25°F) to a maximum of 23°C (73°F). In contrast, October enjoys milder conditions, with temperatures varying from a minimum of 7°C (45°F) to a peak of 35°C (95°F). Additionally, December experiences more precipitation, totaling 73 mm over 9 days, compared to October's 60 mm across 7 days. Despite the higher precipitation in December, humidity levels remain relatively similar, with December at 78% and October at 74%. For a more detailed look at the climate during this month, you can check Longmen weather in October.

In comparing the weather of November and December, we see a notable shift in temperatures and precipitation patterns. December has a wider temperature range, with a minimum of -4°C (25°F) and a maximum of 23°C (73°F), while November features milder temperatures that range from 1°C (34°F) to a warm 30°C (86°F). Additionally, December experiences slightly more precipitation, totaling 73 mm (2.9 in) over about 9 days, compared to November's 64 mm (2.5 in) over 10 days. Humidity levels also remain comparable, with December at 78% and November at 80%. For more specific details on November's weather, you can check Longmen weather in November.

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Conclusion: What to Expect From December Weather in Longmen

As December descends upon Longmen, the weather transforms into a blend of chill and moisture, distinctly setting itself apart from the milder months earlier in the year. The average temperatures drop significantly, creating a crisp atmosphere where frosty mornings become the norm. With increased humidity levels reaching around 78%, and rainfall occurring on about nine days of the month, inhabitants feel the dampness that often accompanies winter in this region. While bundled up is the style of the season, December’s weather invites a unique charm, perfect for cozy gatherings and festive celebrations. To explore more about Longmen's weather patterns, visit Longmen Climate.