December Weather in Longgang, China

Last updated: August 21, 2025

In December, Longgang, China experiences a dramatic dip in temperatures, with maximums reaching only 9°C (49°F) and averages around -2°C (28°F), plunging to a chilling minimum of -15°C (6°F). Despite the cold, the region sees very limited precipitation, with just 4 mm (0.2 in) of rain over the course of a single day, and an average humidity level of 52%. These conditions create a crisp winter atmosphere, ideal for those who enjoy the serene beauty of colder climates.

December Temperature in Longgang

In December, Longgang, China experiences a significant drop in temperatures as winter fully sets in. With minimums plummeting to around -15°C (6°F) and an average hovering at -2°C (28°F), the city embraces the chill of the season. The maximum temperatures reach only 9°C (49°F), marking a stark contrast to the mild autumn months preceding it. This month is characterized by biting frosts and a distinctive winter atmosphere, inviting residents to bundle up and prepare for the cold. As temperatures progressively decline from November to December, the city transitions into a true winter wonderland, showcasing the stark climatic shift that defines this time of year.

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

The chart illustrates December temperature patterns in Longgang, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longgang, 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).
JanFebMarAprMayJunJulAugSepOctNovDec242738516170787871564228
Data source: Temperature data for Longgang 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 Longgang

In December, Longgang experiences a notable drop in precipitation, with only 4 mm (0.2 in) recorded over a single day. This minimal rainfall marks a stark contrast to the intense downpours of the summer months, particularly August, when the region accumulated a striking 217 mm (8.5 in). As the year winds down, the precipitation trend shifts towards drier conditions, reflecting the transition from the wet season to a more subdued winter climate. With just one day of rain, December encapsulates the drier phase of Longgang's annual weather cycle, ultimately leading into a crisp start to the new year.

December Precipitation Trends in Longgang

The chart displays monthly precipitation patterns in Longgang, 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 Longgang, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec2511194552862177234234
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Longgang

As the year culminates, December in Longgang, China, brings a refreshing change with humidity levels dropping to 52%. This figure marks a noteworthy decline from the sweltering peak of 83% in August and the relatively high 66% in November. The transition from the humid summer months and peak rainfall to cooler winter air signals a shift in the climate, allowing residents to enjoy drier conditions. Throughout the year, humidity exhibits a distinct trend, gradually increasing from 54% in January to a peak in the sweltering summer months, before tapering off as the year concludes. Overall, December’s lower humidity not only signals the onset of winter but also provides a welcome respite from the high humidity that characterizes earlier months.

December Average Humidity in Longgang

This chart illustrates the average monthly humidity levels in Longgang, 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 Longgang is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec54%44%48%55%65%71%82%83%72%76%66%52%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Longgang

In December, Longgang experiences a welcome dip in UV intensity, with a UV Index of 2, categorizing it as low exposure and allowing for a comfortable burn time of 45 minutes. This month marks a significant contrast to the intense summer months, where indices peaked at 11 in July, emphasizing the seasonal trend of decreasing UV radiation as winter approaches. From the extreme levels in mid-year to the moderate and low readings in the latter part of the year, December invites residents and visitors to enjoy the outdoors with less concern for sunburn. For more detailed information on UV levels throughout the year, visit Longgang UV Index.

Maximum UV Index Levels in Longgang for December

The chart shows the monthly maximum UV Index (UVI) for Longgang 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 Longgang typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec24688911107632
Data source: Longgang 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 Longgang

December in Longgang, China, finds itself basking in 251 hours of sunshine, closing out the year with a delightful blend of light and warmth. This month, although not the sunniest of the year, still reflects an impressive luminosity that contributes to the overall trend of increasing sunshine hours leading into spring. From the crisp 207 hours in January to a peak of 334 hours in May, the area's sunlight gradually intensifies, creating a vibrant atmosphere that energizes the community. The steady decline from summer's peak slowly transitions into winter, yet December retains a notable brightness, hinting at the promise of rejuvenation as the year draws to a close. With each passing month, residents and visitors alike can appreciate how the evolving patterns of sunlight enrich their experience in Longgang.

Monthly Sunshine Duration in Longgang: December Highlighted

The December sunshine duration represents the total number of hours Longgang 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.
JanFebMarAprMayJunJulAugSepOctNovDec207h251h294h300h334h324h326h310h289h269h240h251h
Data source: Longgang December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Longgang During December

In December, Longgang, China, enjoys a notably high likelihood of sunny weather, boasting an impressive 84% chance of clear skies. This marks a significant uptick compared to the preceding months, with sunshine probabilities gradually increasing from 72% in November. As the year closes, the trend reveals a transition from the less reliable summer months, where July records a mere 31% chance of sunshine, to the more optimistic winter days. December's abundant sunlight not only offers a warm farewell to the year but also signals an emerging preference for outdoor activities as the region's residents embrace the cheerful glow of the season.

Percentage of Sunny Days in December in Longgang

The chart illustrates the percentage of sunny days in Longgang 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 Longgang experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec71%72%62%53%50%42%31%51%42%61%72%85%
Data source: Longgang December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Longgang in December

In Longgang, China, December ushers in a return to shorter days, with daylight lasting about 9 hours, mirroring the earlier months of January and November. As the year unfolds, daylight gradually increases from 10 hours in February, reaching a peak of 15 hours in the long summer days of June. This seasonal dance reflects a trend of extending daylight hours that peaks around mid-year before tapering off into the winter months. As December arrives, the pattern highlights the cyclic nature of sunlight, framing the vibrant changes in the environment and daily life throughout the year.

Average Daylight Hours in Longgang for December

The chart illustrates the variation in daylight duration in Longgang throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 36m10h 37m11h 56m13h 18m14h 27m15h 1m14h 44m13h 43m12h 25m11h 5m9h 54m9h 17m
Data source: Longgang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Longgang

In December, Longgang, China, experiences a notable average wind speed of 5.0 m/s (11 mph), which is indicative of a cooling trend as the year comes to a close. This month's wind speed aligns closely with the higher figures observed in November and is part of an observable pattern where wind speeds are generally elevated in the latter part of the year. From May's peak of 5.5 m/s, there is a gradual decline leading into mid-year, but the winds pick up again as winter approaches. December's mild breezes provide a refreshing contrast to the bustling city life, inviting residents and visitors alike to enjoy the crisp winter air, setting the stage for cozy indoor gatherings and festive celebrations.

Average December Wind Speed in Longgang

The chart displays monthly wind speed patterns in Longgang, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.45.14.85.25.54.24.33.73.94.65.15.0 m/s
Data source: Longgang December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Longgang Compares to Other Months

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

In December, the weather offers a relatively mild range of temperatures, with a minimum of -15°C (6°F) and an average of -2°C (28°F), peaking at a maximum of 9°C (49°F). The month experiences light precipitation of 4 mm (0.2 in) across just one day and maintains a humidity level of 52%. In contrast, January sees a drop in temperatures, with a minimum of -19°C (-2°F) and an average of -4°C (24°F), reaching up to a maximum of 5°C (42°F). Precipitation is even lower, totaling 2 mm (0.1 in) over the month without any rainy days, and humidity slightly increases to 54%. For more information on January weather, you can visit Longgang weather in January.

In December, the weather features a minimum temperature of -15°C (6°F) and an average of -2°C (28°F), while February shows slightly warmer conditions with a minimum of -13°C (9°F) and an average of -3°C (27°F). Both months experience a maximum temperature of around 9°C (49°F) and minimal precipitation, with December receiving 4 mm (0.2 in) over 1 day, compared to February's 5 mm (0.2 in) also over 1 day. Humidity levels are higher in December at 52%, whereas February is somewhat drier with humidity at 44%. For more specific details on February's weather, you can check Longgang weather in February.

In December, the weather is much colder, featuring a minimum temperature of -15°C (6°F) and an average of -2°C (28°F), while March sees a notable improvement with temperatures ranging from -8°C (18°F) to an average of 3°C (38°F). Precipitation in December is minimal, with only 4 mm (0.2 in) falling over just one day, whereas March experiences increased rainfall at 11 mm (0.4 in) spread across three days. Despite these changes, December maintains a slightly higher humidity level at 52%, compared to March’s 48%. For more detailed information, you can check Longgang weather in March.

December and April present quite a contrast in weather. In December, temperatures can plummet to a minimum of -15°C (6°F), with an average temperature around -2°C (28°F) and a maximum of 9°C (49°F). The month sees low precipitation, with only 4 mm (0.2 in) over just one day and a humidity level of 52%.

In comparison, April enjoys milder temperatures, with a minimum of 1°C (33°F), an average of 10°C (51°F), and a maximum reaching 23°C (74°F). This month is considerably wetter, accumulating 19 mm (0.7 in) of precipitation over four days, along with a slightly higher humidity at 55%. For more detailed information, you can check out Longgang weather in April.

December and May present starkly contrasting weather conditions. December experiences colder temperatures, with a minimum reaching -15°C (6°F) and an average of -2°C (28°F), while the days are generally dry, featuring only 4 mm (0.2 in) of precipitation over just one day. In contrast, May offers a much milder climate with temperatures ranging from a minimum of 7°C (44°F) to a pleasant average of 16°C (62°F), peaking at 26°C (79°F). However, it also brings more precipitation, totaling 45 mm (1.8 in) over five days, and higher humidity at 65%. For more detailed weather insights, you can check Longgang weather in May.

December and June present strikingly contrasting weather patterns. In December, temperatures can drop as low as -15°C (6°F), with an average hovering around -2°C (28°F), and a maximum reaching 9°C (49°F). Precipitation is minimal during this month, averaging just 4 mm (0.2 in) over a single day, alongside a humidity level of 52%. In stark contrast, June experiences much milder conditions, with temperatures ranging from a comfortable minimum of 14°C (58°F) to a maximum of 29°C (84°F), averaging around 21°C (71°F). Rainfall is more prevalent, with a total of 52 mm (2.0 in) spread over 7 days, and humidity levels climb to 71%. For more insights on June weather, visit Longgang weather in June.

December and July showcase strikingly different weather patterns. In December, temperatures can drop as low as -15°C (6°F), with an average of -2°C (28°F) and a maximum of 9°C (49°F). The month is relatively dry, receiving only 4 mm (0.2 in) of precipitation over just one day, with humidity at 52%. Conversely, July brings warmth, with temperatures ranging from a minimum of 20°C (69°F) to a maximum of 32°C (90°F), averaging around 25°C (78°F). This month is significantly wetter, with 86 mm (3.4 in) of precipitation spread over eight days, and humidity levels soaring to 82%. The contrast highlights the seasonal extremes, making December a cold, dry month, while July is characterized by heat and rain. For more details, visit Longgang weather in July.

December and August present drastically different weather conditions. In December, temperatures can plummet to a minimum of -15°C (6°F), with an average around -2°C (28°F) and a maximum reaching 9°C (49°F). The month sees minimal precipitation, with only about 4 mm (0.2 in) over just one day, resulting in a humidity level of 52%. In stark contrast, August experiences a much warmer climate, with minimum temperatures starting at 16°C (61°F) and averaging 25°C (78°F), peaking at a sweltering 33°C (92°F). This summer month is characterized by high precipitation levels of 217 mm (8.5 in) across approximately 12 days, and significantly higher humidity at 83%. For more details on August weather, visit Longgang weather in August.

December and September present stark contrasts in weather conditions. December experiences frigid temperatures, with a minimum of -15°C (6°F) and an average of -2°C (28°F), peaking at 9°C (49°F). The month is relatively dry, with only 4 mm (0.2 in) of precipitation over just one day, accompanied by a humidity level of 52%. In contrast, September boasts much milder temperatures, ranging from a minimum of 12°C (54°F) to an average of 21°C (71°F) and a maximum of 28°C (83°F). It is also considerably wetter, receiving 72 mm (2.8 in) of rainfall over seven days, with humidity levels reaching 72%. For more information on September weather, you can visit Longgang weather in September.

October weather is markedly milder compared to December, with average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 24°C (76°F), while December experiences much colder conditions, with temperatures dropping to a minimum of -15°C (6°F) and peaking at 9°C (49°F). Additionally, October sees significantly more precipitation, totaling 33 mm (1.3 in) over four days, in contrast to December's minimal 4 mm (0.2 in) falling over just one day. The humidity also varies considerably, with October averaging 76% compared to December's 52%. For a detailed look at October's weather patterns, you can visit Longgang weather in October.

In comparing the weather conditions between November and December, it's clear that December is significantly colder. While November experiences milder temperatures with a minimum of -7°C (20°F) and an average of 6°C (42°F), December's temperatures drop to a minimum of -15°C (6°F) and an average of -2°C (28°F). November also sees more precipitation, totaling 23 mm (0.9 in) over 2 days, compared to December's minimal 4 mm (0.2 in) on just 1 day. Additionally, humidity levels are higher in November at 66%, compared to December's 52%. For more details on November weather, you can visit Longgang weather in November.

Compare Longgang's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Longgang

December in Longgang marks a distinct shift in weather as temperatures drop significantly compared to previous months, offering a cold embrace with frequent frosts. With a mere 4 mm of precipitation over just a day, this month is generally dry, making it less humid at around 52%. While afternoons might tease with brief moments of sunlight, the nighttime chill can be quite biting, as the warmth of fall gives way to winter's grip. For those interested in a more detailed exploration of Longgang's climate throughout the year, visit Longgang Climate.