December Weather in Longjing, China

Last updated: August 21, 2025

December in Longjing, China, usher in a chilly winter atmosphere, with temperatures averaging around -10°C (15°F). The month sees a maximum high of 6°C (42°F), while temperatures can plummet to a minimum of -26°C (-14°F). Despite the cold, precipitation is minimal, with only 9 mm (0.4 in) of rain typically falling on just one day of the month. The humidity levels hover around 70%, contributing to the crisp feel of the air. This time of year offers a serene yet frosty landscape perfect for embracing the beauty of winter.

December Temperature in Longjing

In December, Longjing, China experiences a notable drop in temperatures, marking one of the coldest months of the year. With minimum temperatures plunging to -26°C (-14°F) and average lows around -10°C (15°F), the chill is palpable, setting the stage for a stark winter landscape. The daily highs only reach about 6°C (42°F), revealing a dramatic contrast to the more temperate months that precede it. This sharp decline in temperature follows a trend from the milder autumn months, where November’s max temperatures still hovered at an inviting 18°C (65°F). As the year draws to a close, December solidifies its identity as the gateway to winter, inviting both challenges and the beauty of frost-kissed scenery.

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

The chart illustrates December temperature patterns in Longjing, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Longjing, 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).
JanFebMarAprMayJunJulAugSepOctNovDec111733465664727060463015
Data source: Temperature data for Longjing 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 Longjing

In December, Longjing, China experiences a notable decline in precipitation, recording just 9 mm (0.4 in) over the month, which is among the lowest amounts of the year. This rainfall typically occurs over a span of only 1 day, signaling the transition into the drier winter months after the peak precipitation of the summer. The pattern of rainfall in Longjing reveals a sharp contrast from the lush, humid conditions of August, where 185 mm (7.3 in) fell over 16 days, to the more subdued December climate; an indication of the region's seasonal variability. Overall, this downward trend underscores a clear shift into cooler and drier weather, setting the stage for the winter season in Longjing.

December Precipitation Trends in Longjing

The chart displays monthly precipitation patterns in Longjing, 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 Longjing, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec716283084799718580363410
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Longjing

In Longjing, China, December marks a notable shift in humidity levels, which settles at 70% as the year draws to a close. This figure reflects a decrease from the higher rates experienced in the summer months, where July and August reach peak humidity levels of 87% and 89%, respectively. As autumn progresses, humidity starts to decline from November's 67%, only to stabilize in December, mirroring a pattern of seasonal fluctuation. The trend shows that while winter welcomes lower humidity, the transition from the wettest months of June and July to the drier winter season highlights Longjing's distinct climatic rhythm, characterized by a temperate reduction that brings relief after the high summer moisture.

December Average Humidity in Longjing

This chart illustrates the average monthly humidity levels in Longjing, 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 Longjing is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%75%70%65%72%82%87%89%84%83%67%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Longjing

In Longjing, China, the UV Index experiences a notable fluctuation throughout the year, showcasing distinct seasonal patterns. As winter settles in, December brings a low UV Index of 2, with a burn time of 45 minutes, making sun exposure relatively safe during this month. This trend follows a pattern where the UV levels peak in the summer, reaching extremes with a high of 11 in July and 10 in June. As the months progress into fall and winter, the Index gradually decreases, indicating lower sun intensity and longer burn times for safe exposure. This annual cycle highlights the importance of being aware of UV levels year-round. For more details on the UV Index and tips for protection, visit Longjing UV Index.

Maximum UV Index Levels in Longjing for December

The chart shows the monthly maximum UV Index (UVI) for Longjing 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 Longjing typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec235781011108532
Data source: Longjing 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 Longjing

In December, Longjing, China, enjoys 231 hours of sunshine, providing a gentle transition into the winter months. While the sunlight begins to wane compared to the bustling summer days that boast over 300 hours in June and July, December still holds its own with a respectable amount of daylight. Interestingly, the trend shows a gradual decline from the vibrant 304 hours in May to a slight dip by the year’s end, yet December shines brighter than the earlier winter months of January and February. This soothing amount of sunlight offers a perfect backdrop for the serene beauty of Longjing, inviting both locals and visitors to bask in the lingering warmth of the year’s close.

Monthly Sunshine Duration in Longjing: December Highlighted

The December sunshine duration represents the total number of hours Longjing 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.
JanFebMarAprMayJunJulAugSepOctNovDec194h234h284h289h304h306h313h275h279h262h229h231h
Data source: Longjing December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Longjing During December

In December, Longjing, China, enjoys a notable shift in sunny weather, with a 66% chance of sunshine—one of the highest probabilities throughout the year. This marks a significant uplift from the earlier months; while summer sees the lowest chances of sun, fall months like November offer mixed results with only a 50% likelihood. As the year transitions into winter, December sets the stage for a more optimistic outlook, contrasting sharply with the gloomy, overcast days typical of the preceding summer months. This trend suggests that December is an excellent time for visitors seeking to bask in the sun before the chill of winter truly sets in.

Percentage of Sunny Days in December in Longjing

The chart illustrates the percentage of sunny days in Longjing 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 Longjing experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec60%51%56%51%37%29%23%25%29%56%50%66%
Data source: Longjing December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Longjing in December

In Longjing, China, the daylight duration exhibits a striking seasonal rhythm, peaking during the summer months and gradually diminishing as winter approaches. Starting in June with a generous 15 hours of daylight, the light begins to taper, offering 14 hours in July and 13 hours in August. As the year progresses, daylight hours contract gently, with fall bringing 12 hours in September and dropping to 11 hours in October. By December, the daylight settles back to 9 hours, echoing the shorter days of January and November. This cyclical pattern not only highlights the natural ebb and flow of light throughout the year but also paints a vivid picture of the changing seasons in this serene locale.

Average Daylight Hours in Longjing for December

The chart illustrates the variation in daylight duration in Longjing throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 25m10h 31m11h 56m13h 23m14h 37m15h 15m14h 56m13h 51m12h 27m11h 1m9h 44m9h 4m
Data source: Longjing daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Longjing

As December arrives in Longjing, China, the wind begins to pick up, with an average speed of 3.5 m/s (or 8 mph). This marks a noticeable increase compared to the calmer summer months, where wind speeds were at their lowest—hovering around 1.9 m/s (4 mph) in July and 1.8 m/s (4 mph) in September. The trend reveals a gentle, yet steady rise in wind intensity as the year progresses from the serenity of spring, culminating in the crisp, invigorating breezes of winter. Interestingly, December's winds are notably stronger than the preceding months, signaling a transition that invigorates the landscapes and heralds the upcoming chill of winter.

Average December Wind Speed in Longjing

The chart displays monthly wind speed patterns in Longjing, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.82.92.92.42.01.92.41.82.43.13.5 m/s
Data source: Longjing December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Longjing Compares to Other Months

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

In December, temperatures range from a minimum of -26°C (-14°F) to a maximum of 6°C (42°F), with an average of -10°C (15°F). The month experiences light precipitation, totaling 9 mm (0.4 in) over just one day, and the humidity stands at 70%. In contrast, January sees slightly lower maximum temperatures, with an average of -11°C (12°F) and a maximum of 4°C (40°F), while still maintaining a minimum of -26°C (-14°F). Precipitation decreases marginally to 7 mm (0.3 in) over one day, but the humidity rises to 78%. For a more detailed look at January weather in Longjing, you can visit Longjing weather in January.

December and February showcase notable differences in weather patterns. In December, temperatures can drop as low as -26°C (-14°F), with an average of -10°C (15°F) and only reaching a maximum of 6°C (42°F). The month sees minimal precipitation, totaling just 9 mm (0.4 in) over one day, with humidity levels around 70%. In contrast, February experiences slightly milder conditions, with temperatures ranging from a minimum of -22°C (-7°F) to a maximum of 10°C (50°F) and an average of -8°C (17°F). Precipitation increases in February, totaling 16 mm (0.6 in) across three days, alongside a slight rise in humidity to 75%. For more detailed weather information, you can check Longjing weather in February.

In December, the weather is much colder, with average temperatures hovering around -10°C (15°F), and a maximum temperature of just 6°C (42°F). Precipitation is minimal, only falling on one day, with a total of 9 mm (0.4 in). The humidity remains consistent at 70%, adding to the chill.

In contrast, March experiences a significant warming trend, with an average temperature rising to 1°C (33°F) and daytime highs reaching a pleasant 24°C (75°F). Precipitation increases to 28 mm (1.1 in) over four days, but the humidity stays steady at 70%. This shift in weather marks the transition from the depths of winter to the early signs of spring, making March a notably more temperate month compared to December. For more details, you can explore Longjing weather in March.

In December, the weather is quite harsh, with temperatures ranging from a chilling minimum of -26°C (-14°F) to an average of -10°C (15°F), peaking at around 6°C (42°F). The month experiences very low precipitation, just 9 mm (0.4 in), over a single day, along with high humidity at 70%. In contrast, April brings a more moderate climate, with minimum temperatures at -5°C (23°F) and an average of 8°C (46°F), but it can soar up to a maximum of 34°C (93°F). With precipitation increasing to 29 mm (1.2 in) over a span of 7 days, humidity slightly decreases to 65%. For a detailed look at weather conditions in April, you can check Longjing weather in April.

December and May present strikingly different weather conditions. In December, temperatures can plunge as low as -26°C (-14°F), with an average of -10°C (15°F) and a maximum of just 6°C (42°F). The month sees minimal precipitation, with only 9 mm (0.4 in) over a single day and humidity levels at around 70%. In contrast, May ushers in milder temperatures, ranging from a minimum of 0°C (32°F) to a sweltering maximum of 35°C (95°F), with an average of 14°C (57°F). Precipitation significantly increases to 84 mm (3.3 in) across 12 days, while humidity remains relatively steady at 72%. For a closer look at conditions in May, you can visit Longjing weather in May.

December and June present strikingly contrasting weather conditions. In December, temperatures plunge drastically, with minimums reaching as low as -26°C (-14°F) and an average hovering around -10°C (15°F), peaking at a chilly 6°C (42°F). With only 9 mm (0.4 in) of precipitation over just one day, the humidity sits at a moderate 70%, adding to the crisp winter air.

In stark contrast, June welcomes warmer temperatures ranging from a minimum of 7°C (44°F) to a maximum of 33°C (92°F), with an average of 18°C (64°F). This month experiences significantly higher rainfall, totaling 79 mm (3.1 in) across 13 days and a humidity level of 82%, creating a lush and vibrant atmosphere. For more details, check out Longjing weather in June.

December and July present stark contrasts in weather. December is characterized by frigid temperatures, with a minimum of -26°C (-14°F) and an average around -10°C (15°F), while the maximum hovers just above freezing at 6°C (42°F). Additionally, this month sees only 9 mm (0.4 in) of precipitation over just one day, with humidity levels at 70%. In contrast, July brings warmth and vibrancy, with temperature lows of 11°C (52°F), averages reaching 22°C (72°F), and hot highs peaking at 35°C (95°F). Precipitation in July is significantly higher at 97 mm (3.8 in) over approximately ten days, accompanied by increased humidity levels at 87%. For a closer look at July's climate specifics in Longjing, you can visit Longjing weather in July.

December and August present strikingly contrasting weather conditions. In December, temperatures can plummet to a chilling minimum of -26°C (-14°F), with an average of -10°C (15°F), and a maximum of 6°C (42°F). The month sees minimal precipitation, amounting to just 9 mm (0.4 in) over only 1 day, alongside a humidity level of 70%. In stark contrast, August boasts much warmer conditions, with temperatures ranging from a minimum of 6°C (43°F) to a sizzling maximum of 35°C (96°F) and an average of 21°C (71°F). Rain is frequent, amounting to 185 mm (7.3 in) across 16 days, and humidity remains high at 89%. For more details on August weather in Longjing, you can visit Longjing weather in August.

December and September present stark contrasts in weather conditions. In December, temperatures can plummet as low as -26°C (-14°F), with an average temperature around -10°C (15°F) and maximums reaching only 6°C (42°F). Precipitation is minimal, totaling just 9 mm (0.4 in) across only 1 day, and humidity levels hover around 70%. In stark contrast, September enjoys milder temperatures, ranging from a minimum of 0°C (33°F) to a pleasant average of 16°C (61°F) and peaks of up to 29°C (84°F). However, the month also sees significantly more precipitation at 80 mm (3.1 in) over 8 days, along with higher humidity levels of 84%. For more on September weather, check out Longjing weather in September.

In comparison to October, December presents a much harsher climate, with average temperatures plummeting to -10°C (15°F) from an October average of 8°C (46°F). While October experiences a wider range of temperatures, including a high of 28°C (83°F), December's maximum temperature hovers around a chilly 6°C (42°F). Additionally, October sees more precipitation, with 36 mm (1.4 in) over five days, contrasting sharply with December's minimal 9 mm (0.4 in) over just one day. Humidity also dips in December to 70%, compared to October's higher level of 83%. For more details, you can check Longjing weather in October.

In December, the weather takes a colder turn compared to November, with temperatures dropping significantly. December's minimum temperature can reach as low as -26°C (-14°F), while the average sits at -10°C (15°F), and the maximum only reaches 6°C (42°F). In contrast, November experiences a milder range, with temperatures varying from a minimum of -16°C (3°F) to a maximum of 18°C (65°F), yielding an average of -1°C (30°F). Additionally, December has lower precipitation levels at 9 mm (0.4 in) over just 1 day, whereas November sees much more rain at 34 mm (1.3 in) across 4 days. Both months exhibit similar humidity levels, with December at 70% and November slightly lower at 67%. For a detailed look at the weather specifics, you can visit Longjing weather in November.

Compare Longjing's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Longjing

As December settles in Longjing, the weather starkly contrasts with the milder months preceding it. With chilly temperatures maintaining an average of -10°C (15°F), residents experience a significant drop compared to earlier in the year. The occasional chill peaks at 6°C (42°F) but can plunge as low as -26°C (-14°F), making it crucial for locals and visitors alike to bundle up. Despite the 70% humidity, December sees minimal precipitation, with only a single day of rain measured at 9 mm (0.4 in). This shift marks the beginning of a frosty season, perfect for warming up with hot drinks and enjoying the serene, ice-kissed landscapes. For an in-depth look at the year-round conditions, visit Longjing Climate.