December Weather in Xihu, China

Last updated: August 21, 2025

December in Xihu, China, presents a chilly climate, where temperatures can dip to a brisk -18°C (1°F) at their lowest, with an average hovering around -4°C (25°F). The month experiences a maximum temperature reaching up to 12°C (54°F), offering brief moments of warmth amidst the cold. Despite the harshness of winter, precipitation levels are low, with just 5 mm (0.2 in) recorded over one day, complemented by a relatively high humidity of 78% that adds to the crisp, brisk air. Embrace the serene beauty of winter in Xihu, where each day is a testament to the simplicity and charm of this season.

December Temperature in Xihu

In Xihu, China, December heralds the onset of winter with a significant drop in temperatures. The month commonly sees minimums plummeting to -18°C (1°F) and an average chill of -4°C (25°F). While the landscape may sparkle with frost, daytime highs are a modest 12°C (54°F), hinting at the briskness of the season. As the year draws to a close, the trend shows a consistent cooling, with temperatures progressively decreasing from November's relatively milder conditions. Yet, December’s cold, enveloped in the serene charm of winter, invites visitors to embrace the season's stark beauty and indulge in the cozy warmth of local traditions.

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

The chart illustrates December temperature patterns in Xihu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xihu, 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).
JanFebMarAprMayJunJulAugSepOctNovDec232942526067716860483525
Data source: Temperature data for Xihu 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 Xihu

In December, Xihu, China experiences a significant decrease in precipitation, with only 5 mm (0.2 in) recorded over just one day—the least amount since January. This sharp decline contrasts with the wettest months of the year, such as July and August, which see substantial rainfall and frequent precipitation days. The trend of reduced rainfall continues into winter, suggesting a shift from the abundant monsoon season and emphasizing the region's seasonal variability. As December concludes the year, the sporadic nature of rainfall sets a quieter tone before the winter chill fully takes hold.

December Precipitation Trends in Xihu

The chart displays monthly precipitation patterns in Xihu, 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 Xihu, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec6814405158811257048125
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Xihu

In Xihu, China, December marks a refreshing shift in humidity, dropping to 78% as the year comes to a close. This decline contrasts with the preceding months, where humidity levels soared, peaking at 88% in October and remaining high throughout November. The trend indicates a gradual decrease from the summer's peak, as the region transitions into winter. While humidity remains relatively stable from January to May, peaking in the warmer months of July and August, December brings a notable respite, inviting a crispness to the air that stands out against the otherwise humid backdrop of the year's cycle.

December Average Humidity in Xihu

This chart illustrates the average monthly humidity levels in Xihu, 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 Xihu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%85%85%83%78%80%82%86%87%88%86%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Xihu

In December, Xihu, China, experiences a moderate UV Index of 3, with a burn time of about 30 minutes. This marks a transition to lower UV levels following the intense summer months, where the index peaked at 12 from May to July. As the year draws to a close, the risk of overexposure decreases, providing a comfortable level of sunlight for outdoor activities. However, it's essential to stay mindful of UV exposure even during these cooler months. For a detailed look at the UV trends throughout the year, visit the complete resource at Xihu UV Index.

Maximum UV Index Levels in Xihu for December

The chart shows the monthly maximum UV Index (UVI) for Xihu 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 Xihu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec358101212121110853
Data source: Xihu 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 Xihu

In the picturesque setting of Xihu, China, December shines with an impressive 274 hours of sunlight, rounding out the year with a warm glow. This month showcases a slight decrease from the sun-soaked heights of summer, where July dazzles with 348 hours of brightness. As the seasons transition, a consistent trend emerges: from the early chill of January at 224 hours to the peak of May with 329 hours, sunlight in Xihu steadily rises through the spring months, before gently tapering off in the fall. Nevertheless, December stands strong, maintaining a robust amount of sunshine that invites residents and visitors alike to enjoy the serene beauty of the landscape, even as winter approaches.

Monthly Sunshine Duration in Xihu: December Highlighted

The December sunshine duration represents the total number of hours Xihu 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.
JanFebMarAprMayJunJulAugSepOctNovDec224h272h306h287h329h311h348h316h285h267h271h274h
Data source: Xihu December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Xihu During December

In Xihu, China, the likelihood of enjoying sunny weather in December stands at a promising 60%, making it one of the more favorable months for sunshine. As the year closes, this figure reflects a slight drop from the high of 78% experienced in November, yet it remains higher than many of the previous months, particularly from April to June when sunny days are at their lowest. This trend suggests that while December may not hit the peak sunshine levels of late autumn, residents and visitors can still anticipate a good chance of clear skies and pleasant weather, perfect for exploring the area's natural beauty.

Percentage of Sunny Days in December in Xihu

The chart illustrates the percentage of sunny days in Xihu 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 Xihu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%54%41%34%45%31%55%45%47%40%78%60%
Data source: Xihu December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Xihu in December

In Xihu, China, the pattern of daylight duration reveals a distinct seasonal rhythm that aligns with the changing months of the year. The year begins with 9 hours of daylight in January, gradually increasing to a peak of 14 hours during the summer months of May through July. As summer fades into autumn, daylight begins to taper off, dropping to 12 hours in September and returning to 10 hours by November. December brings the cycle full circle as daylight contracts once again to 9 hours, mirroring the dawn of the year. This fluctuation not only marks the passage of time but also invites residents and visitors to embrace the diverse beauty of each season in Xihu.

Average Daylight Hours in Xihu for December

The chart illustrates the variation in daylight duration in Xihu throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 59m10h 51m11h 58m13h 6m14h 4m14h 33m14h 18m13h 28m12h 22m11h 14m10h 14m9h 44m
Data source: Xihu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Xihu

As December rolls into Xihu, China, the wind begins to whisper softer melodies, with an average speed dwindling to 1.5 m/s (3 mph). This decline marks the seasonal shift from the milder breezes of autumn, as November's winds also retreated to 1.7 m/s (4 mph). The overall trend throughout the year shows a gentle fluctuation, with the wind peaking at its briskest in the spring and summer months, captivating visitors with a refreshing touch. However, as winter settles in, the air becomes stiller, allowing the serene beauty of Xihu's landscapes to take center stage, basking in the tranquility that only December's softer winds can provide.

Average December Wind Speed in Xihu

The chart displays monthly wind speed patterns in Xihu, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.82.02.12.12.22.12.02.11.91.71.71.5 m/s
Data source: Xihu December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Xihu Compares to Other Months

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

December and January weather show some similarities, but also notable differences. In December, temperatures range from a minimum of -18°C (1°F) to a maximum of 12°C (54°F), with an average of -4°C (25°F). The month experiences minimal precipitation, with only 5 mm (0.2 in) falling over just one day and humidity at 78%. Conversely, January tends to be slightly colder, with temperatures dipping to a minimum of -19°C (-2°F) and averaging -5°C (23°F), while the maximum reaches 13°C (55°F). January sees a slight increase in precipitation to 6 mm (0.2 in) over the course of two days, along with a rise in humidity to 81%. For more detailed weather insights, you can check Xihu weather in January.

In December, temperatures typically range from a minimum of -18°C (1°F) to a maximum of 12°C (54°F), with an average temperature of -4°C (25°F). The month sees minimal precipitation, averaging just 5 mm (0.2 in) over 1 day, and humidity levels are relatively lower at 78%.

In contrast, February experiences slightly colder temperatures, with minima dropping to -21°C (-5°F) but peaking higher at 17°C (63°F), resulting in an average temperature of -2°C (29°F). Precipitation increases to 7 mm (0.3 in) over 2 days, while humidity rises to 85%.

Overall, February is colder than December, yet it offers slightly warmer daytime highs and more precipitation. For more detailed weather insights, check out Xihu weather in February.

In December, the weather is notably colder, with average temperatures hovering around -4°C (25°F), and a minimum dropping to -18°C (1°F). Precipitation is minimal, occurring only once during the month, resulting in a dry atmosphere with humidity around 78%. In contrast, March emerges with a marked increase in temperatures, averaging 6°C (43°F) and reaching a maximum of 26°C (79°F). Precipitation also rises to 14 mm (0.5 in) over approximately three days, contributing to a slightly higher humidity level of 85%. These contrasting weather patterns highlight the transition from winter to early spring. For more details on the March weather, you can check Xihu weather in March.

In December, temperatures can drop to a chilling minimum of -18°C (1°F), with an average of -4°C (25°F) and a maximum of 12°C (54°F). The month experiences minimal precipitation, with only 5 mm (0.2 in) falling on just one day, and the humidity hovers around 78%. In contrast, April brings a significant shift in weather with minimum temperatures of -6°C (21°F), averages rising to a mild 11°C (52°F), and maximums soaring up to 31°C (87°F). This month sees a notable increase in precipitation, totaling 40 mm (1.6 in) across about nine days, and humidity levels slightly increase to 83%. For more detailed insights, you can check Xihu weather in April.

December and May present stark contrasts in weather conditions. In December, temperatures can plummet to a minimum of -18°C (1°F), with an average around -4°C (25°F) and a maximum of 12°C (54°F). Precipitation is minimal, with only 5 mm (0.2 in) falling over just one day, and humidity remains relatively high at 78%. In contrast, May experiences much more temperate conditions, featuring a minimum of 3°C (37°F), an average of 16°C (60°F), and a maximum that can reach a warm 32°C (90°F). Additionally, May sees more frequent rainfall, with total precipitation of 51 mm (2.0 in) spread across seven days, while humidity stays constant at 78%. The transition from the frigid December to the warm and vibrant May is notable, making each month unique in its climate. For more details on the weather in May, check out Xihu weather in May.

December and June present starkly contrasting weather conditions. In December, temperatures range from a chilly -18°C (1°F) at their lowest to a mild 12°C (54°F) at their highest, with an average of -4°C (25°F). Precipitation is minimal, totaling just 5 mm (0.2 in) over only 1 day, while humidity stands at 78%, adding to the cold atmosphere. In contrast, June brings much warmer weather with temperatures ranging from a comfortable 8°C (46°F) to a hot 32°C (91°F) and an average of 20°C (67°F). This month sees significantly more rainfall, with 58 mm (2.3 in) of precipitation over 9 days, and humidity rises slightly to 80%. For a closer look at the June weather specifics, check out Xihu weather in June.

December and July present stark contrasts in weather conditions. In December, temperatures can plummet to a minimum of -18°C (1°F), with an average of -4°C (25°F) and a maximum of 12°C (54°F). The month experiences limited precipitation, with only 5 mm (0.2 in) over the course of just one day and humidity hovering around 78%. In contrast, July offers a much warmer climate, with temperatures ranging from a minimum of 11°C (53°F) to a sweltering maximum of 36°C (97°F) and an average of 22°C (72°F). This summer month sees significantly higher rainfall, accumulating 81 mm (3.2 in) across 11 days, alongside a slightly higher humidity level of 82%. For a detailed view of the conditions in July, you can check Xihu weather in July.

December and August showcase stark contrasts in weather patterns. In December, temperatures are much colder, with a minimum of -18°C (1°F) and an average around -4°C (25°F), peaking at 12°C (54°F). The month is relatively dry, receiving just 5 mm (0.2 in) of precipitation over one day, accompanied by a humidity level of 78%. In contrast, August brings warmer climes, with a minimum temperature of 10°C (50°F) and an average of 20°C (68°F), soaring to a maximum of 35°C (95°F). This summer month sees significantly higher precipitation of 125 mm (4.9 in) across 13 days, coupled with a higher humidity of 86%. For a closer look at August weather patterns, visit Xihu weather in August.

December and September present a stark contrast in weather conditions. In December, temperatures can drop as low as -18°C (1°F), with an average of -4°C (25°F) and highs reaching only 12°C (54°F). The month is typically dry, with just 5 mm (0.2 in) of precipitation over a single day and humidity sitting at 78%. In contrast, September experiences much milder temperatures, with lows around 6°C (42°F) and averages of 16°C (61°F), peaking at 31°C (87°F). This month is notably wetter, boasting 70 mm (2.8 in) of precipitation spread over 12 days and higher humidity at 87%. For a closer look at September weather, you can refer to Xihu weather in September.

In comparing the weather of December and October, it is clear that December is significantly colder, with a minimum temperature plunging to -18°C (1°F) and an average temperature of -4°C (25°F), while October enjoys milder conditions, featuring a minimum of -1°C (30°F) and an average of 9°C (48°F). Additionally, October experiences much higher precipitation, with 48 mm (1.9 in) spread over 9 days, compared to December's low 5 mm (0.2 in) of precipitation over just 1 day. The humidity is slightly lower in December at 78%, compared to October’s 88%, contributing to the overall drier and colder conditions of the later month. For more detailed weather information, you can check Xihu weather in October.

In December, the weather becomes significantly colder with temperatures ranging from a minimum of -18°C (1°F) to a maximum of 12°C (54°F), resulting in an average temperature of -4°C (25°F). In contrast, November experiences milder temperatures, with a minimum of -13°C (10°F) and a maximum of 20°C (69°F), leading to a more comfortable average of 2°C (36°F). November also sees higher precipitation, totaling 12 mm (0.5 in) over 3 days, compared to December’s lower 5 mm (0.2 in) of precipitation over just 1 day. Humidity levels are slightly higher in November at 86%, whereas December's humidity sits at 78%. This shift in temperature and precipitation marks a distinct transition between the two months, making November generally more temperate. For more information, you can check Xihu weather in November.

Compare Xihu's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Xihu

As December settles into Xihu, the transition to winter becomes unmistakable. Unlike the milder months preceding it, December witnesses a significant drop in temperatures, bringing chilly days with averages hovering around -4°C (25°F) and nighttime lows that can plunge to an eye-watering -18°C (1°F). While precipitation remains minimal, with just 5 mm accumulated over a mere day, the humidity level at 78% adds a brisk feel to the air. This colder climate sets the stage for a distinctly different landscape and experience compared to the rest of the year. Embrace the captivating winter charm of Xihu by discovering more about its climate at Xihu Climate.