December Weather in Longgang, China

Last updated: August 21, 2025

In December, Longgang, China experiences a diverse climate characterized by a maximum temperature of 19°C (67°F) and a chilly average of 5°C (42°F), with nighttime lows dropping to a minimum of -7°C (20°F). This month brings approximately 70 mm (2.8 in) of precipitation over about 9 days, making it a relatively wet period. The humidity levels typically hover around 77%, contributing to the brisk air and occasional fog. Those planning to visit should prepare for a range of weather conditions, from cool sunny days to damp and chilly evenings.

December Temperature in Longgang

In Longgang, China, December brings a notable chill as temperatures shift towards winter. With a minimum of -7°C (20°F), residents are greeted by the cold, while the average temperature hovers around 5°C (42°F). This period marks a transition from the milder fall months, evident as the maximum climbs to just 19°C (67°F). Compared to the warmer months of summer, where temperatures soared above 30°C (86°F), December's cooler statistics signal the arrival of winter attire and activities. The steady decline from the autumn averages sets the stage for the crisp snowscapes ahead, inviting both locals and visitors alike to embrace the season.

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).
JanFebMarAprMayJunJulAugSepOctNovDec384151606874808072625241
Data source: Temperature data for Longgang 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 Longgang

In December, Longgang experiences a transition to cooler and drier weather, with precipitation measuring 70 mm (2.8 in) over the month. This marks a notable decrease from the preceding months, particularly the deluges of June and July, which see over 340 mm each. Rainfall occurs on 9 days, indicating a shift towards more stable weather patterns as the year wraps up. Overall, December's precipitation signifies a winding down from the heavy monsoon season, paving the way for the drier chill of winter.

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.
JanFebMarAprMayJunJulAugSepOctNovDec8495173144206394346234147506070
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Longgang

In Longgang, China, December brings a noticeable shift in humidity, settling at 77%—a slight decrease compared to the persistent high of the summer months, particularly July, when humidity peaks at 90%. This dip marks the transition into the drier winter season, yet remains higher than the beginning of the year, where January kicks off with 70% humidity. As the year progresses, humidity levels generally rise, peaking in the warmer months before tapering off in the fall, showcasing a clear seasonal pattern. This rhythm of humidity shapes not only the climate but also the local lifestyle, as residents adapt to the varying moisture levels throughout the year.

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.
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 Longgang

As December settles in Longgang, China, the UV Index drops to 5, placing it in the moderate exposure category with a burn time of 30 minutes. This signals a shift from the intense high and extreme levels experienced in the preceding months, particularly from May through August when the index peaked at 12. Such fluctuations highlight the seasonal variations in UV exposure, prompting residents to adjust their sun safety practices accordingly. With shorter burn times and decreased UV intensity, December offers a more comfortable climate for outdoor activities. For more insights and details, 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.
JanFebMarAprMayJunJulAugSepOctNovDec679101112121210865
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

As the year draws to a close, December in Longgang, China offers a noteworthy 210 hours of sunshine, encapsulating the region's transition from the sun-soaked heights of summer to the cooler embrace of winter. Following the peak of 303 hours in August, sunlight gradually wanes, yet December's totals remain impressively vibrant when compared to the chillier months. The trend of steadily increasing daylight from January's modest 147 hours to a peak in May reflects a gradual awakening of nature, while the gentle decline in the latter half of the year hints at the cyclical rhythm of the seasons. December retains a comfortable glow, serving as a reminder that even in winter, sunlight continues to bless the landscape, bridging the warmth of summer and the allure of the coming spring.

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.
JanFebMarAprMayJunJulAugSepOctNovDec147h193h209h249h278h254h288h303h250h233h218h210h
Data source: Longgang December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Longgang During December

In Longgang, China, December emerges as a standout month for sunny weather, boasting a 65% chance of sunshine. This marks a notable increase compared to the preceding months, where the likelihood of clear skies tends to dwindle, particularly from April through July, when it dips to a low of 13% in July. The trend showcases a gradual recovery in sunny probabilities as the year winds down, with a significant jump from 45% in November to 65% in December. This makes December an ideal time for those seeking a bit of warmth and brightness amid the cooler winter months.

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.
JanFebMarAprMayJunJulAugSepOctNovDec50%36%23%24%24%18%13%26%46%35%45%65%
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 the 10 hours of daylight seen at the beginning of the year, marking the end of a gradual increase that peaked with 14 hours in June. As the year progresses, daylight lengthens from January's 10 hours to a vibrant 13 hours in May, before gradually receding. The summer months witness extended daylight, providing sunlight-filled days, while the autumn transition shifts towards shorter hours. December's daylight reflects the cyclical nature of the seasons, wrapping up the year with a nod to its earlier luminosity, as residents prepare for the chill of winter with a comforting sense of familiarity in their daily rhythms.

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.
JanFebMarAprMayJunJulAugSepOctNovDec10h 25m11h 6m11h 59m12h 54m13h 40m14h 3m13h 51m13h 11m12h 19m11h 24m10h 37m10h 12m
Data source: Longgang daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Longgang

As December settles in Longgang, China, the average wind speed registers at 1.8 m/s (4 mph), maintaining a gentle breeze characteristic of the city's winter months. This slight dip reflects a seasonal trend where the winds generally soften during the latter part of the year, following a peak in July at 2.2 m/s (5 mph). Notably, December's wind speed mirrors the subtle fluctuations seen earlier, as speeds ranged uniformly around 1.9 m/s for most of the fall months. This consistency hints at a calm winter atmosphere, perfect for cozy gatherings and serene outdoor strolls, embracing the tranquil spirit of the season.

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.
JanFebMarAprMayJunJulAugSepOctNovDec1.91.91.91.81.81.52.21.51.71.91.91.8 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, temperatures in Longgang typically range from a chilly -7°C (20°F) at night to a mild 19°C (67°F) during the day, with an average temperature of 5°C (42°F). The month experiences around 70 mm (2.8 in) of precipitation over approximately 9 days, contributing to a relatively humid atmosphere with 77% humidity.

In contrast, January tends to be colder, with minimum temperatures dropping to -17°C (1°F) and an average of 3°C (38°F), while daytime highs can reach up to 21°C (69°F). Precipitation increases slightly to 84 mm (3.3 in) over about 11 days, and humidity decreases to 70%. For more detailed information regarding January weather in Longgang, you can refer to this link: Longgang weather in January.

December and February present distinct weather characteristics despite having similar average temperatures. In December, the temperature typically ranges from a chilly -7°C (20°F) to a pleasant maximum of 19°C (67°F), with an average of 5°C (42°F). The month experiences relatively high humidity at 77% and sees about 70 mm (2.8 in) of precipitation over 9 days. In contrast, February can be slightly cooler, with temperatures dipping to -8°C (18°F) at night and climbing to a maximum of 23°C (74°F) during the day, while maintaining a steady average of 5°C (41°F). February also experiences more rainfall, accumulating around 95 mm (3.7 in) across 13 days, albeit with slightly lower humidity at 73%. For more detailed weather information, check Longgang weather in February.

December and March present stark contrasts in weather conditions. In December, temperatures can dip as low as -7°C (20°F), with an average of 5°C (42°F) and a maximum of 19°C (67°F). This month also sees about 70 mm (2.8 in) of precipitation over approximately 9 days, coupled with a humidity level of 77%. In contrast, March ushers in milder temperatures, ranging from a minimum of -2°C (29°F) to an average of 11°C (52°F), and a peak of 28°C (82°F). It is a wetter month, with precipitation totaling 173 mm (6.8 in) over 18 days and a slightly higher humidity of 82%. To learn more about the weather in March, you can visit Longgang weather in March.

December and April present distinct contrasts in weather. In December, temperatures range from a chilly minimum of -7°C (20°F) to a mild maximum of 19°C (67°F), averaging around 5°C (42°F). The month experiences around 70 mm (2.8 in) of precipitation over approximately 9 days, accompanied by a humidity level of 77%. In stark contrast, April sees much warmer conditions, with temperatures varying from a low of 1°C (35°F) to a high of 30°C (87°F), averaging 15°C (60°F). This month is also wetter, receiving 143 mm (5.6 in) of rainfall over about 13 days, with humidity rising to 86%. For more detailed insights, check out Longgang weather in April.

December and May present strikingly different weather conditions. In December, temperatures typically range from a chilly -7°C (20°F) at night to a mild 19°C (67°F) during the day, with an average temperature around 5°C (42°F). The month sees about 70 mm (2.8 in) of precipitation over 9 days, accompanied by a humidity level of 77%. In contrast, May experiences significantly warmer temperatures, with nighttime lows of 8°C (47°F) and daytime highs soaring to 34°C (93°F), averaging 20°C (69°F). Precipitation increases in May, totaling 206 mm (8.1 in) over 15 days, and humidity rises to 85%. For more details on the weather in May, you can visit Longgang weather in May.

December and June present starkly contrasting weather conditions. In December, temperatures range from a frigid -7°C (20°F) to a mild 19°C (67°F), with an average temperature of 5°C (42°F). The month sees around 70 mm (2.8 in) of precipitation over 9 days, accompanied by a humidity level of 77%. Conversely, June boasts much warmer temperatures, with a minimum of 14°C (57°F), an average of 23°C (74°F), and a maximum reaching up to 34°C (93°F). The month is significantly wetter as well, with approximately 394 mm (15.5 in) of rain spread across 18 days, and humidity levels rising to 85%. For more detailed information, you can check out the Longgang weather in June.

December and July present starkly contrasting weather patterns. In December, temperatures average around 5°C (42°F), with lows dipping to -7°C (20°F) and highs reaching 19°C (67°F). The month experiences 70 mm (2.8 in) of precipitation over approximately 9 days, alongside a humidity level of 77%, creating a chilly atmosphere. In contrast, July basks in warmth, with average temperatures soaring to 26°C (80°F) and highs peaking at a sweltering 37°C (99°F). This summer month sees significantly more rainfall, totaling 345 mm (13.6 in) over 21 days, and a higher humidity of 90%, contributing to a muggy and tropical feel. For more details, you can visit Longgang weather in July.

In December, temperatures range from a chilly minimum of -7°C (20°F) to a milder average of 5°C (42°F), with a maximum reaching 19°C (67°F). The month sees relatively low precipitation levels of 70 mm (2.8 in) over 9 days, accompanied by a humidity of 77%. In stark contrast, August experiences much warmer conditions, with temperatures fluctuating between a minimum of 14°C (57°F) and a sweltering average of 27°C (80°F), peaking at a high of 35°C (96°F). The summer month is also significantly wetter, receiving 234 mm (9.2 in) of rainfall across 17 days and an increased humidity level of 88%. For more details, you can check Longgang weather in August.

In December, the weather is significantly colder than in September, with average temperatures ranging from a minimum of -7°C (20°F) to a maximum of 19°C (67°F). In contrast, September boasts a much warmer climate, with average temperatures between 12°C (54°F) and 34°C (93°F). Additionally, December experiences less precipitation at 70 mm (2.8 in) over 9 days, while September receives more rainfall, totaling 147 mm (5.8 in) across 15 days. Despite this, the humidity levels in December are slightly higher, averaging 77%, compared to 75% in September. For more detailed information, you can visit Longgang weather in September.

The weather in December presents a noticeable contrast to that of October. While October enjoys milder temperatures with a minimum of 5°C (41°F) and an average high of 33°C (91°F), December sees a significant drop, with minimum temperatures reaching as low as -7°C (20°F) and a more moderate maximum of 19°C (67°F). Additionally, precipitation in December is slightly higher at 70 mm (2.8 in) over 9 days compared to October's 50 mm (2.0 in) over 8 days. Both months share a similar humidity level, with December at 77% and October at 76%. For more information about the pleasant October weather, you can visit Longgang weather in October.

In comparing the weather of December to November, December experiences a shift toward colder temperatures, with average lows reaching -7°C (20°F) and a maximum of 19°C (67°F), while November holds milder averages with minimum temperatures around -2°C (29°F) and highs peaking at 25°C (78°F). Humidity levels are slightly lower in December at 77%, compared to November's 84%. Additionally, December receives a bit more precipitation, totaling 70 mm (2.8 in) over 9 days, whereas November sees 60 mm (2.3 in) spread over 11 days. For more details, you can check Longgang weather in November.

Compare Longgang's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Longgang

As December sets in, Longgang experiences a notable shift in weather, distinguished by cooler temperatures and increased humidity. Unlike the milder months preceding it, December sees a maximum around 19°C, with the average dipping significantly to 5°C, ultimately providing a brisk chill that can plunge to -7°C. With precipitation occurring on about 9 days and a total of 70 mm, this month brings a noticeable increase in dampness and gray skies. Consequently, December presents a unique charm with its crisp air and seasonal transitions, making it an intriguing time to explore the region. For a deeper dive into what to expect throughout the year, visit Longgang Climate.