December Weather in Xihu, China

Last updated: August 21, 2025

In December, Xihu, China experiences a cool climate marked by a maximum temperature of 19°C (67°F) and a minimum of -8°C (19°F), with an average hovering around 6°C (42°F). During this month, residents can expect approximately 39 mm (1.5 in) of precipitation over six days, making it one of the wetter times of the year. The humidity level, averaging at 75%, adds a chill to the air, creating a crisp atmosphere perfect for cozy winter activities. Whether enjoying the stunning scenery or exploring local culture, December in Xihu offers a unique seasonal experience.

December Temperature in Xihu

In Xihu, China, December marks a significant transition into the chill of winter, with temperatures dipping to a minimum of -8°C (19°F). As the month progresses, the average temperature rests at a modest 6°C (42°F), offering a crisp atmosphere that contrasts sharply with the preceding milder months. Daytime highs peak at about 19°C (67°F), showcasing a gradual decline from the warmer temperatures of autumn. This trend reflects a broader shift from the cozy averages of previous months, with December’s cooler climate inviting warm layers and a festive spirit as the region embraces the winter season.

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).
JanFebMarAprMayJunJulAugSepOctNovDec394252617177828375645442
Data source: Temperature data for Xihu 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 Xihu

December in Xihu, China, marks the transition into winter with a modest precipitation total of 39 mm (1.5 in), making it one of the driest months of the year. This sharp decline in rainfall reflects a significant drop from the peak levels experienced during the summer months, particularly July, which records an impressive 270 mm (10.6 in). Over the course of December, rain falls on about 6 days, providing a light but steady moisture that contrasts with the heavier downpours of earlier months like May and June. As the year winds down, the overall trend highlights a seasonal shift, with December’s drier patterns paving the way for the upcoming winter chill.

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.
JanFebMarAprMayJunJulAugSepOctNovDec47445357133155270155100594039
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 notable transition in humidity levels as the year draws to a close. With an average humidity of 75%, the month exhibits a slight decrease from the preceding high of 84% in November. This slight decline suggests a trend of reduced moisture in the air during the winter months, particularly after the peak humidity experienced during the sweltering summer, where levels peaked at 88% in July. As temperatures cool, the drop in humidity allows for more comfortable conditions, providing a refreshing contrast to the high levels of moisture seen earlier in the year. Overall, December's figures reflect a gradual transition toward the crisper, drier winter atmosphere that characterizes Xihu's climate.

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.
JanFebMarAprMayJunJulAugSepOctNovDec64%71%80%83%81%81%88%85%73%76%84%75%
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 4, which translates to a burn time of 30 minutes. This is a notable decrease in UV intensity compared to the scorching summer months, where the index peaked at 11 during June, July, and August, categorizing the exposure as extreme. The trends show a gradual decline from the high values recorded in the spring and summer, with December's index reflecting a more manageable level akin to January's UV conditions. As such, while sun protection is still advisable, outdoor enthusiasts can enjoy extended time in the sun without the heightened risk of sunburn experienced earlier in the year. For more details, visit 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.
JanFebMarAprMayJunJulAugSepOctNovDec468101011111110854
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

December in Xihu, China, continues to bask in the gentle embrace of sunshine, with 219 hours illuminating the month. This charming figure, while slightly lower than the vibrant highs of summer, reflects a trend of comfortable sunlight that persists through the cooler months. As the year progresses, Xihu experiences an impressive peak in August with 303 hours, but even as winter settles in, the city enjoys a generous amount of daylight. The gradual decline in sunshine hours from May to December underscores the transition from the sun-drenched summer months to the softer, more serene light of winter, enhancing the tranquil beauty of Xihu's landscapes during the festive season.

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.
JanFebMarAprMayJunJulAugSepOctNovDec165h216h245h252h283h283h284h303h262h239h225h219h
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 peaks at 65%, making it one of the sunniest months of the year. This uplifting trend emerges towards the end of the calendar, following November's already impressive 60% chance of clear skies. As we analyze the data, it becomes clear that December stands out positively when compared to the earlier months, such as July and August, where sunny days dwindle to 23% and 34% respectively. This seasonal shift hints at a delightful transition, inviting residents and visitors alike to embrace the beauty of winter sunshine, making December a month not just for cozy indoors but also for basking in the refreshing glow of winter sun.

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.
JanFebMarAprMayJunJulAugSepOctNovDec49%47%30%32%29%29%23%34%48%42%60%65%
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 daylight duration exhibits a distinct rhythm throughout the year, peaking in June and July with a generous 14 hours of sunlight. As the seasons transition from summer to winter, the days gradually shorten, dropping to 10 hours by December. The trend shows a gradual increase from 10 hours in January to a high of 13 hours in May, before descending again. This cyclical pattern reflects the geographical location's response to the changing seasons, providing residents with a vibrant seasonal experience, from the long, glorious summer days to the crisp, shorter days of winter.

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.
JanFebMarAprMayJunJulAugSepOctNovDec10h 15m11h11h 59m12h 58m13h 49m14h 14m14h 1m13h 17m12h 20m11h 20m10h 28m10h 2m
Data source: Xihu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Xihu

As December settles in Xihu, the gentle whispers of the wind take on a calmer tone, with an average speed of 2.7 m/s (6 mph). This marks a distinct decrease from the more spirited breezes experienced in the summer months, particularly July’s peak of 3.8 m/s (8 mph). Throughout the year, wind speeds tend to oscillate, with the spring months maintaining a fairly steady range, while the autumn transition reveals a notable uptick before the tranquil December winds sweep in. As winter approaches, the soft, cool air of December invites residents and visitors alike to embrace the serene beauty of Xihu's landscape, providing a refreshing contrast to the bustling energy of previous months.

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.
JanFebMarAprMayJunJulAugSepOctNovDec3.13.53.23.03.02.83.82.53.13.03.22.7 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 present notable differences in weather conditions. December tends to be slightly milder, with average temperatures around 6°C (42°F), a maximum of 19°C (67°F), and a minimum of -8°C (19°F). It also experiences less precipitation, totaling 39 mm (1.5 in) over 6 days. In contrast, January sees a slight drop in average temperature to 4°C (39°F), with a maximum of 17°C (63°F) and a minimum of -9°C (17°F). This month is also characterized by increased precipitation of 47 mm (1.8 in) over 7 days and lower humidity levels at 64%. For more details, check out Xihu weather in January.

In comparing the weather between December and February, both months feature similar average temperatures of 6°C (42°F), but February tends to be slightly warmer overall, with maximum temperatures reaching up to 26°C (78°F) compared to December's maximum of 19°C (67°F). December experiences colder minimum temperatures, dipping down to -8°C (19°F), while February's lows are only slightly higher at -6°C (22°F). In terms of precipitation, February sees a marginal increase with 44 mm (1.7 in) over 8 days, compared to December's 39 mm (1.5 in) over 6 days. Humidity levels also differ slightly, with December having a higher average of 75%, while February's humidity sits at 71%. For a detailed look at February weather patterns, check out Xihu weather in February.

December and March present contrasting weather patterns, reflecting the transition from winter to spring. In December, temperatures range from a chilly -8°C (19°F) at night to a milder average of 6°C (42°F) during the day, peaking at a comfortable 19°C (67°F). Precipitation is relatively light, totaling 39 mm (1.5 in) over about 6 days, with humidity levels around 75%. In comparison, March sees a more significant increase in warmth, with minimum temperatures around -2°C (30°F) and average highs of 11°C (52°F), reaching as high as 29°C (85°F). Rainfall increases slightly, totaling 53 mm (2.1 in) over approximately 8 days, while humidity rises to 80%. This shift in climate marks March as a month of renewal and warmth, in contrast to the cold and often dreary December. For more details on weather conditions in March, visit Xihu weather in March.

In December, the weather is considerably cooler, with average temperatures ranging from a low of -8°C (19°F) to a high of 19°C (67°F). The month experiences lower humidity at around 75% and receives about 39 mm (1.5 inches) of precipitation over approximately six days. In contrast, April brings a noticeable warmth, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 31°C (89°F). The humidity increases to 83%, and the total precipitation rises to 57 mm (2.3 inches) over eight days. For a detailed look at the weather conditions in April, you can visit Xihu weather in April.

December weather is characterized by cooler temperatures, ranging from a minimum of -8°C (19°F) to a maximum of 19°C (67°F), with an average of 6°C (42°F). The month sees relatively low precipitation, totaling 39 mm (1.5 in) over about 6 rainy days, while humidity hovers around 75%. In contrast, May offers a much warmer climate, with temperatures varying from a minimum of 10°C (50°F) to a scorching maximum of 36°C (97°F), averaging 21°C (71°F). However, it also experiences higher precipitation levels, with 133 mm (5.3 in) over approximately 8 days, and slightly elevated humidity at 80%. For a more detailed look at the weather conditions in May, check out Xihu weather in May.

December and June present strikingly different weather conditions. In December, temperatures range from a chilly -8°C (19°F) to a mild 19°C (67°F), with an average of around 6°C (42°F). The month experiences about 39 mm (1.5 in) of precipitation over six days, accompanied by a humidity level of 75%. In contrast, June boasts significantly warmer temperatures, with a minimum of 16°C (62°F) and a maximum soaring to 36°C (97°F), resulting in an average of 25°C (78°F). Precipitation increases to 154 mm (6.1 in) across nine days, and humidity rises to 81%. For those interested in more details about June weather, visit Xihu weather in June.

When comparing the weather in December and July, it's clear that the two months present strikingly different climates. December experiences much cooler temperatures, ranging from a chilly minimum of -8°C (19°F) to a mild maximum of 19°C (67°F), with an average of around 6°C (42°F). The month has relatively low precipitation at 39 mm (1.5 in), occurring over just 6 days, and a moderate humidity level of 75%.

In contrast, July boasts warm to hot temperatures, with a minimum of 19°C (66°F) and a maximum that can soar up to 38°C (101°F), averaging around 28°C (82°F). The month is quite rainy, with a total precipitation of 270 mm (10.6 in) over 17 days, along with high humidity levels at 88%. For more insights into July weather specifics, you can check Xihu weather in July.

December and August present starkly contrasting weather conditions. In December, temperatures range from a chilly -8°C (19°F) to a mild 19°C (67°F), with an average of 6°C (42°F). The month experiences limited precipitation, with about 39 mm (1.5 in) falling over approximately 6 days at a humidity level of 75%. On the other hand, August is marked by significantly warmer temperatures, with minima around 21°C (71°F) and maxima reaching up to 36°C (98°F), leading to an average of 28°C (83°F). This month sees a much higher total precipitation of 155 mm (6.1 in) over 14 days and a humidity level of 85%. For more details, you can visit Xihu weather in August.

December and September exhibit striking differences in weather patterns. In December, temperatures can dip as low as -8°C (19°F), with an average temperature of 6°C (42°F) and a maximum of 19°C (67°F), accompanied by a relatively low precipitation of 39 mm (1.5 in) over six days. In contrast, September experiences much warmer temperatures, with a minimum of 14°C (58°F), an average of 24°C (76°F), and peaks reaching 36°C (97°F). It also receives higher precipitation at 100 mm (3.9 in) spread over ten days. Additionally, while December has a higher humidity level of 75%, September's humidity is slightly lower at 72%. For a detailed look at weather specifics in September, you can check Xihu weather in September.

In December, temperatures experience a significant drop compared to October, with minimums plummeting to -8°C (19°F) and average highs reaching only 19°C (67°F). In contrast, October boasts more comfortable temperatures, ranging from a minimum of 6°C (43°F) to an average maximum of 33°C (91°F). While December sees less precipitation at 39 mm (1.5 in) over 6 days, October has a slightly higher rainfall of 59 mm (2.3 in) across 8 days. Overall, December's weather is characterized by colder temperatures and less rain, whereas October offers warmer days and a more humid atmosphere. For a detailed look at October's weather, check out Xihu weather in October.

December weather is notably colder than November, with minimum temperatures dropping to -8°C (19°F) compared to November’s mild 0°C (33°F). The average temperature in December is 6°C (42°F), a significant decrease from November's 12°C (55°F). In terms of maximum temperatures, December peaks at 19°C (67°F), whereas November can reach as high as 28°C (83°F). Both months receive similar levels of precipitation, with December accounting for 39 mm (1.5 in) over 6 days and November slightly higher at 40 mm (1.6 in) over 5 days. Additionally, humidity levels are slightly lower in December at 75% compared to November’s 84%. For more details on November weather, 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 rolls into Xihu, the weather transforms into a crisp and cool embrace, contrasting with the warmth of the preceding months. The temperatures dip significantly, inviting a chill that can plunge to sub-zero levels, making it a stark departure from the milder conditions of autumn. However, the moisture in the air remains, with a notable 75% humidity contributing to the feeling of cold. While December sees a moderate amount of precipitation over several days, it’s less frequent than in the rainy season, adding a refreshing layer to the winter landscape. If you're interested in understanding how this winter month fits into the broader climate patterns of the region, check out Xihu Climate.