December Weather in Xihu, China

Last updated: August 21, 2025

In December, the enchanting city of Xihu, China experiences a diverse climate that captivates visitors and locals alike. With temperatures ranging from a minimum of -13°C (9°F) to a maximum of 15°C (59°F), the month presents an average temperature of 2°C (36°F), offering a crisp ambiance perfect for winter strolls. Rainfall is a gentle affair, with only 14 mm (0.6 in) spread across 2 days, allowing the beauty of the landscape to shine through the humid air at 71%. Embrace the serene magic of December in Xihu, where each chilly day unfolds new experiences.

December Temperature in Xihu

In Xihu, China, the temperatures in December signal a transition into the heart of winter. With minimums dipping to -13°C (9°F) and average temperatures settling at around 2°C (36°F), the chill in the air becomes unmistakable. The daily highs reaching up to 15°C (59°F) offer a brief respite from the cold, creating a unique contrast that invites both brisk outdoor activities and cozy indoor gatherings. This month marks a notable shift from the milder November, where average temperatures lingered at 9°C (49°F). As the year draws to a close, December's frosty grip sets the stage for the winter months ahead, while the range of temperatures continues to hint at the region's dynamic climate.

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).
JanFebMarAprMayJunJulAugSepOctNovDec323647566774797972594836
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

In December, Xihu, China experiences a notable drop in precipitation, with only 14 mm (0.6 in) of rain falling over just 2 days. This marks a significant decrease from the earlier months, where summer brought heavy rains peaking in July with a staggering 264 mm (10.4 in). The transition into winter is evident as November wraps up with similar rainfall but more frequent rainfall days. The month of December's meager totals indicate a shift towards drier, cooler conditions, paving the way for the drier months ahead, where less frequent precipitation becomes a defining characteristic of Xihu’s winter climate.

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.
JanFebMarAprMayJunJulAugSepOctNovDec18203137638626418382262414
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 wraps up the year with a humidity level of 71%, reflecting a gradual decline from the high of 84% in July. The month sits just slightly below November's figures, which peaked at 81%, signaling a transition as the region moves into its cooler winter months. Following a steady rise from January's more moderate 52%, the humidity steadily increased through spring and then plateaued around the summer's peak before starting to taper off. This trend illustrates a typical humid subtropical climate, where higher moisture content dominates the warmer months, resulting in more pleasant, albeit sometimes sticky, conditions as the year draws to a close.

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.
JanFebMarAprMayJunJulAugSepOctNovDec52%60%70%78%74%74%84%81%65%72%81%71%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Xihu

In Xihu, China, December marks a return to a moderate UV Index of 3, allowing for safer outdoor activities with a burn time of 30 minutes. The month's UV exposure is a notable drop from the extremes experienced during the summer months, where values soared to 11 in July. This seasonal variation highlights the transition from intense sunlight in the warmer months—peaking at 10 and 11—to more manageable levels as winter approaches. As temperatures cool and daylight hours shorten, December’s lower UV index encourages a more relaxed outdoor experience, making it an ideal time to enjoy the scenic surroundings without the fierce sun of earlier months. For detailed insights, check out the 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.
JanFebMarAprMayJunJulAugSepOctNovDec3578101011108753
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, experiences a gentle embrace of sunshine with 241 hours of radiant daylight, reflecting a slight dip from the year’s peak in May with 316 hours. As the year winds down, the sunshine hours gradually diminish, highlighting a clear trend of shorter days in the latter months. Notably, December’s sunshine is a welcomed shift from the gloomier winter months of January, which sees just 201 hours. This increase not only brings warmth to the chilly air but also offers a serene backdrop for the stunning landscapes that Xihu is renowned for, reminding visitors that even in the depths of winter, the sun continues to shine brightly.

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.
JanFebMarAprMayJunJulAugSepOctNovDec201h240h281h284h316h307h312h297h279h250h234h241h
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 sunny weather in December stands at an impressive 67%, making it one of the sunniest months of the year. This trend follows November, which boasts a 63% chance of sunshine, indicating a promising transition into the final month of the year. Interestingly, as the seasons change, the chance of sunny days appears to dip during the warmer months, with July hitting a low of 25%. However, as the year closes, there's a return to brighter days, with December’s forecast suggesting a delightful increase in sunshine compared to the early months of the year, particularly March and April, which see considerably lower probabilities of clear skies. This pattern illustrates a significant shift back to sunny weather, making December an ideal time to experience the natural beauty of Xihu.

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%56%41%38%45%39%25%38%41%43%63%67%
Data source: Xihu December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Xihu in December

As the year winds down, December in Xihu, China brings shorter days, with only 9 hours of daylight. This marks a noticeable decline from the 10 hours experienced in January and February, indicating a gradual reduction as the calendar progresses towards winter. The trend showcases a steady increase in daylight from March to May, peaking at 14 hours during the height of summer. Following this brightness, daylight hours begin to recede in tandem with the changing seasons, reflecting nature’s rhythm. By December, the enveloping darkness serves as a reminder of the cycle of light and shadow, heralding the need for warmth and comfort in the colder months ahead.

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 2m10h 53m11h 58m13h 5m14h 1m14h 29m14h 15m13h 26m12h 22m11h 15m10h 17m9h 47m
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, the average wind speed settles at a mild 2.9 m/s (6 mph), mirroring the steady breezes of the preceding months. Throughout the year, wind speeds exhibit a subtle rhythm, with spring and early summer months consistently reaching 3.1 to 3.3 m/s (7 mph), while the late summer brings a gentle lull, dropping to a soft 2.1 m/s (5 mph) in August. As the seasons transition, a pattern emerges: the winds are generally calm, yet they pick up slightly during spring and early autumn. This tranquil December wind offers a serene backdrop, ideal for reflective strolls along the picturesque shores of Xihu as the year winds down.

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.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.32.83.13.32.73.22.13.02.82.92.9 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 exhibit contrasting weather patterns. In December, temperatures range from a minimum of -13°C (9°F) to a maximum of 15°C (59°F), with an average of 2°C (36°F). The month sees about 14 mm (0.6 in) of precipitation spread across 2 days, accompanied by relatively high humidity at 71%. In contrast, January is colder, with minimum temperatures dropping to -18°C (0°F) and an average of 0°C (33°F). The maximum temperature reaches only 12°C (54°F), and the month experiences slightly higher precipitation at 18 mm (0.7 in) over 3 days, but with decreased humidity at 52%. For a detailed look at the weather conditions during this time, you can visit Xihu weather in January.

December and February exhibit notable differences in weather patterns despite their proximity on the calendar. December typically experiences colder temperatures, with minimums reaching -13°C (9°F) and a maximum of 15°C (59°F), while February sees temperatures ranging from -12°C (11°F) to a warmer maximum of 23°C (75°F). Precipitation is slightly higher in February, with 20 mm (0.8 in) falling over 3 days compared to 14 mm (0.6 in) across just 2 days in December. Additionally, humidity levels drop in February to 60%, compared to 71% in December. For a more detailed look at February weather, visit Xihu weather in February.

December and March present distinctly different weather conditions. In December, temperatures can drop as low as -13°C (9°F), with an average of around 2°C (36°F) and a maximum of 15°C (59°F). Precipitation is minimal, averaging just 14 mm (0.6 in) over 2 days, and humidity hovers at 71%. In contrast, March typically sees milder conditions, with minimum temperatures of -5°C (23°F) and an average of 8°C (47°F), while reaching highs of 27°C (81°F). The month is slightly wetter, with 31 mm (1.2 in) of precipitation over 4 days and a similar humidity level of 70%. For more detailed information on March weather, you can visit Xihu weather in March.

In December, temperatures typically range from a chilly -13°C (9°F) to a milder 15°C (59°F), with an average temperature of around 2°C (36°F). The month experiences limited precipitation, with only 14 mm (0.6 in) recorded over just two days and a humidity level of 71%. In contrast, April brings a noticeable change, presenting much warmer conditions with temperatures ranging from 0°C (33°F) at night to a balmy 31°C (88°F) during the day, and an average temperature of 13°C (56°F). April is also wetter, with precipitation totaling 37 mm (1.4 in) spread across seven days and a slightly higher humidity of 78%. For more specific weather details, you can refer to Xihu weather in April.

December and May offer strikingly different weather conditions. In December, temperatures can plunge as low as -13°C (9°F) and generally hover around an average of 2°C (36°F), with only occasional precipitation of about 14 mm over two days. The humidity level sits at 71%, contributing to a chilly atmosphere. In contrast, May ushers in much warmer temperatures, with a minimum of 5°C (41°F) and an average high of 36°C (97°F), reaching an average of 19°C (67°F). Precipitation increases significantly to 63 mm over seven days, and the humidity rises slightly to 74%, creating a lush environment. For more details on the May weather, you can check Xihu weather in May.

December and June present strikingly different weather patterns. In December, temperatures can plummet to a minimum of -13°C (9°F), with an average temperature of 2°C (36°F) and highs reaching 15°C (59°F). The month sees limited precipitation, averaging only 14 mm (0.6 in) over just two days, accompanied by a humidity level of 71%. In contrast, June experiences a much milder and warmer climate, with temperatures ranging from a low of 13°C (56°F) to a high of 35°C (96°F) and an average of 23°C (74°F). This summer month is also marked by increased rainfall, totaling 86 mm (3.4 in) across seven days and a humidity level of 74%. For more details on June weather, you can visit Xihu weather in June.

December and July present stark contrasts in weather conditions. In December, temperatures range from a chilly -13°C (9°F) at night to a milder 15°C (59°F) during the day, with an average of around 2°C (36°F). Precipitation is minimal, occurring only on about 2 days, with humidity levels at 71%. In sharp contrast, July features much warmer temperatures, with nighttime lows of 18°C (64°F) and daytime highs soaring up to 37°C (99°F), averaging 26°C (79°F). This month is significantly wetter, receiving 264 mm (10.4 in) of rain over approximately 14 days, accompanied by higher humidity at 84%. For more insights, you can visit Xihu weather in July.

December and August showcase stark contrasts in weather conditions. In December, temperatures can plummet to a minimum of -13°C (9°F), with an average of 2°C (36°F) and a maximum of 15°C (59°F), making it a chilly month. Precipitation is relatively low, with only 14 mm (0.6 in) over just 2 days, and the humidity stands at a moderate 71%. In contrast, August is significantly warmer, with a minimum temperature of 16°C (62°F) and an average high of 26°C (80°F), reaching peaks of 35°C (96°F). The month is also much wetter, experiencing 183 mm (7.2 in) of rainfall spread across 16 days, accompanied by higher humidity at 81%. This dramatic shift in weather patterns highlights the seasonal variations that define December and August. For more detailed insights, you can check Xihu weather in August.

December weather stands in stark contrast to that of September, with temperatures plummeting to a minimum of -13°C (9°F) and an average of just 2°C (36°F). In comparison, September enjoys much warmer conditions, where temperatures range from a minimum of 12°C (55°F) to an average of 22°C (72°F) and maxing out at 32°C (90°F). Precipitation also varies significantly, with December receiving only 14 mm (0.6 in) over just 2 days, while September is notably wetter, accumulating 82 mm (3.2 in) across 8 days. Additionally, December's humidity sits higher at 71%, compared to September's level of 65%. For more insights, you can check Xihu weather in September.

December and October present stark contrasts in weather conditions. In December, temperatures drop significantly, with a minimum of -13°C (9°F) and an average of just 2°C (36°F), culminating in a maximum of 15°C (59°F). This month also sees less precipitation, recording only 14 mm (0.6 in) across 2 days, while humidity remains relatively high at 71%. In contrast, October features milder temperatures, ranging from a minimum of 3°C (37°F) to an average of 15°C (59°F) and a maximum of 29°C (85°F). With increased precipitation of 26 mm (1.0 in) over 4 days and humidity slightly higher at 72%, October offers a more temperate environment. For more detailed information, you can check Xihu weather in October.

December presents a considerably colder climate compared to November, with temperatures plunging to a minimum of -13°C (9°F) and averaging around 2°C (36°F). In contrast, November enjoys milder temperatures, with lows around -4°C (26°F) and an average of 9°C (49°F), reaching a maximum of 24°C (76°F). Precipitation is also less frequent in December, totaling just 14 mm (0.6 in) over 2 days, whereas November experiences more rainfall at 24 mm (1.0 in) across 3 days. Furthermore, humidity levels are higher in November at 81%, compared to December's 71%. For a more detailed look at 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

December in Xihu signals a notable shift in weather as the temperatures drop, creating a chill in the air that contrasts sharply with the milder months preceding it. With an average temperature hovering around 2°C (36°F) and occasional dips to a brisk -13°C (9°F), this month marks winter's arrival, encouraging residents to bundle up and embrace the season. Unlike the wetter summer months, December experiences minimal precipitation, with just a couple of days of rain adding to the crisp humidity of 71%. As the year closes, December offers a unique atmosphere, perfect for cozy gatherings and enjoying the festive spirit. For a deeper understanding of how Xihu's December weather compares to the rest of the year, explore our full insights at Xihu Climate.