Last updated: August 21, 2025
December in Xi'an, China ushers in a chilly atmosphere, marked by a maximum temperature of 10°C (51°F) and a refreshing average of -5°C (24°F), dipping as low as -18°C (-1°F) at times. With only 1 day of precipitation, totaling 6 mm (0.2 in), the month remains mostly dry, allowing for enjoyable outdoor explorations despite the crisp air. The humidity sits at a comfortable 52%, providing a distinctive winter ambiance that complements the city's rich historical backdrop. Embrace the unique charm of Xi'an as the year draws to a close, amidst its ancient attractions and vibrant culture.
In December, Xi'an, China, dives into the heart of winter, with temperatures displaying a notable chill. The month typically sees minimums hovering around -18°C (0°F), while the daily average dips to a brisk -5°C (24°F). Despite reaching a modest maximum of 10°C (51°F), December's overall vibe leans towards the coldest end of the spectrum, foreshadowing the harsh winter ahead. This stark temperature drop signals a seasonal shift, painting a picture of frosty mornings and the enchanting glow of winter lights in the historic city. As the year winds down, Xi'an embraces a serene, chilly charm, inviting visitors to explore its rich cultural heritage against a breathtaking winter backdrop.
In December, Xi'an, China experiences a noticeable decline in precipitation, with only 6 mm (0.2 in) recorded over a single day, marking the month as one of the driest of the year. This pattern signifies a striking contrast to the heavy rains of August, which sees upward of 232 mm (9.1 in), and reflects the overall trend toward drier weather as the winter months approach. While the year begins with minimal rainfall in January at just 4 mm, December's precipitation amounts underscore the region's seasonal shift, with cooler temperatures leading to fewer rainy days. Such trends reveal Xi'an's climate dynamics, illustrating how the vibrant summer deluge gives way to the stark tranquility of winter.
As winter approaches, December in Xi'an, China welcomes a noticeable drop in humidity, settling at 52%. This marks a significant decrease from the peak levels experienced during the sweltering summer months of July and August, where humidity soared to 82% and 83%, respectively. As the year progresses, humidity begins to ebb after its summer high, first showing signs of decline from 66% in November. The early months of the year, notably January and February, maintain moderate humidity levels around 54% and 44%, providing a crisp contrast to the more humid mid-year conditions. Ultimately, December offers a reprieve with comfortable humidity that hints at the dry chill of winter, making it a refreshing end to the year.
In December, Xi'an experiences a low UV Index of 2, with a recommended burn time of 45 minutes, making it a safe time for outdoor activities without significant risk of sunburn. This marks a notable shift from the very high levels seen during the summer months of June to August, when the UV index peaked at 10. As the year transitions into winter, the UV exposure decreases substantially, reflecting a clear trend in Xi'an's seasonal UV changes. As you plan your time outdoors, remember to check local conditions and stay informed about the varying UV levels throughout the year. For more details, visit Xi'an UV Index.
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In December, Xi'an enjoys a moderate 241 hours of sunshine, continuing its trend of gradual light accumulation as the year draws to a close. This month’s sunshine hours show a decline from the vibrant sunshine of May and July, which basked in over 325 hours each, but still surpass the gloomy winter months of January and November. As temperatures cool, the city transitions from the summer’s peak brightness, maintaining a relatively bright December that hints at hope and renewal for the coming year. Notably, the steady pattern of increasing sunshine from January through June, peaking in summer and gently tapering as autumn arrives, paints a picturesque picture of Xi'an's seasonal rhythm.
In Xi'an, China, December shines brightly as a beacon of sunshine, boasting an impressive 83% chance of sunny weather. This month stands out against the backdrop of the annual trends, particularly following the gradual decline in sunshine leading up to winter. Unlike the oppressive heat of summer months, December’s increased likelihood of sunny days symbolizes a refreshing change, reminiscent of early winter warmth. With a notable rise from the 70% chance in November, December invites visitors and locals alike to enjoy the crisp air and clear skies, making it one of the sunniest months in Xi'an. As the year draws to a close, the windows of opportunity for outdoor festivities and exploration widen under the welcome sun.
As December settles in Xi'an, the city experiences the season's shortest daylight, averaging 9 hours per day. This reflects a trend of decreasing sunlight that begins in November, reaching its nadir during winter. Following a gradual increase from February’s 10 hours to June’s peak at 15 hours, daylight duration begins its descent again in the latter half of the year. By the time December arrives, the fading light serves as a gentle reminder of the cyclical nature of the seasons, where the days slowly give way to long, cozy nights, inviting residents to draw closer and embrace the warmth of the indoor life.
As December settles over Xi'an, the average wind speed gently hums at 4.0 m/s (9 mph), reflecting a slight easing from the more brisk conditions of November. This month’s winds remain consistent with the cooler trend toward the end of the year, echoing January’s calm yet stable breezes. Throughout the year, the city's wind patterns demonstrate a clear seasonal shift, with notable peaks in spring and fall, when speeds reach their zenith in April and November. It’s fascinating to observe how the chill of winter correlates with a moderate airflow, providing a refreshing contrast to the dry air that often prevails in the sultry summer months. December's winds, moderate yet invigorating, are a reminder of the natural ebb and flow characteristic of Xi'an's climate as it transitions into the heart of winter.
Weather in Xi'an varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Xi'an, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January showcase a significant drop in temperatures, with January being the colder month. In December, temperatures range from a minimum of -18°C (1°F) to a maximum of 10°C (51°F), averaging around -5°C (24°F). Precipitation is limited to just 6 mm (0.2 in) over one day. In contrast, January sees even lower temperatures, with a minimum of -23°C (-9°F) and a maximum of 7°C (45°F), averaging -7°C (19°F). The precipitation also decreases slightly to 4 mm (0.1 in) over the same number of days, while humidity remains relatively consistent, creeping up to 54%. For a deeper look into the climate specifics of January, you can refer to Xi'an weather in January.
December typically experiences slightly milder temperatures compared to February, with average temperatures around -5°C (24°F) compared to February's -4°C (25°F). However, February records slightly colder minimum temperatures, dropping to -19°C (-2°F) versus December's minimum of -18°C (-1°F). Precipitation levels are slightly higher in February, with 7 mm of rain over 2 days, while December sees only 6 mm over just 1 day. Additionally, February has lower humidity at 44%, compared to December's 52%, contributing to the crisp winter atmosphere. For more details on February weather in the region, check out Xi'an weather in February.
In December, temperatures are noticeably colder, with minimums dropping as low as -18°C (1°F) and an average of -5°C (24°F), while March sees a slight warming trend with minimums around -12°C (11°F) and an average temperature of 4°C (40°F). The maximum temperatures in December only reach about 10°C (51°F), whereas in March, they can rise to 19°C (67°F), reflecting the transition toward spring. December experiences minimal precipitation, with just 6 mm (0.2 in) over 1 day, as opposed to March, which receives 12 mm (0.5 in) spread across 3 days. Additionally, the humidity in December is slightly higher at 52%, compared to March’s 48%. For more detailed information on March weather, you can refer to this link: Xi'an weather in March.
December and April present strikingly different weather patterns. In December, temperatures are much colder, with averages around -5°C (24°F) and maximums only reaching up to 10°C (51°F). The month experiences minimal precipitation, averaging just 6 mm (0.2 in) over one day, and a relatively lower humidity of 52%. In contrast, April sees a significant increase in temperature, with averages soaring to 13°C (55°F) and maximums climbing as high as 29°C (85°F). Precipitation also rises in April, with 26 mm (1.0 in) occurring over five days, alongside a slightly higher humidity of 55%. For more specific details about weather in April, visit Xi'an weather in April.
December and May present stark contrasts in weather conditions. In December, temperatures can drop as low as -18°C (1°F), with an average of -5°C (24°F) and a maximum of 10°C (51°F). The month is relatively dry, receiving only 6 mm (0.2 in) of precipitation over just one day, and humidity levels sit at 52%. In contrast, May boasts much milder temperatures, with a minimum of 4°C (39°F), an average of 19°C (66°F), and a peak reaching up to 34°C (93°F). This month experiences a significant increase in precipitation, totaling 60 mm (2.4 in) spread over seven days, along with higher humidity levels at 65%. For a more detailed understanding of the weather specifics, check out Xi'an weather in May.
December and June offer strikingly contrasting weather conditions. In December, temperatures can plunge to a minimum of -18°C (1°F), with an average of around -5°C (24°F) and a maximum of 10°C (51°F). The month sees minimal precipitation, totaling just 6 mm (0.2 in) over the course of a day, accompanied by a humidity level of 52%. In stark contrast, June boasts much milder temperatures, with minima around 12°C (54°F), averaging 23°C (74°F), and reaching highs of 38°C (100°F). This month experiences significantly more rainfall, with 78 mm (3.1 in) spread over approximately 8 days, and the humidity rises to 71%. For more detailed insights on weather during this vibrant summer month, check out Xi'an weather in June.
December and July present a stark contrast in weather conditions. In December, temperatures range from a frigid -18°C (1°F) at night to a mild 10°C (51°F) during the day, with an average of -5°C (24°F). The month sees minimal precipitation, averaging just 6 mm (0.2 in) over a single day, and a comfortable humidity level of 52%. In stark opposition, July boasts much warmer weather with temperatures soaring between 16°C (61°F) and 36°C (97°F), averaging a balmy 27°C (80°F). This summer month is characterized by significantly higher precipitation, reaching 104 mm (4.1 in) over 10 days, accompanied by high humidity at 82%. For more details, check out Xi'an weather in July.
December and August present starkly contrasting weather conditions. In December, temperatures range from a frigid -18°C (1°F) to a mild 10°C (51°F), with an average of -5°C (24°F), accompanied by low precipitation of just 6 mm (0.2 in) over one day and a humidity level of 52%. In contrast, August offers a much warmer climate, with temperatures varying from a minimum of 10°C (51°F) to a scorching maximum of 38°C (100°F), averaging around 25°C (78°F). Rainfall is significantly higher in August, totaling 232 mm (9.1 in) over 14 days, while humidity soars to 83%. For a closer look at August weather specifics, check out Xi'an weather in August.
December and September exhibit starkly contrasting weather conditions. In December, temperatures can plummet to a minimum of -18°C (1°F) and typically hover around an average of -5°C (24°F), with a maximum of 10°C (51°F). The precipitation is minimal, averaging just 6 mm (0.2 in) over a single day, and the humidity stands at 52%. In sharp contrast, September experiences much milder weather, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 30°C (87°F), averaging around 20°C (69°F). This month sees significantly higher precipitation, totaling 95 mm (3.7 in) over approximately eight days, accompanied by a higher humidity level of 72%. For more details on September weather, you can check Xi'an weather in September.
In comparing the weather between December and October, it's clear that December is much colder, with average temperatures hovering around -5°C (24°F) and a maximum of only 10°C (51°F), whereas October experiences a much wider range, with averages around 12°C (54°F) and highs reaching up to 29°C (84°F). Precipitation is also significantly lower in December, with only 6 mm (0.2 in) over just one day, in stark contrast to October's 50 mm (2.0 in) spread across four days. Additionally, December exhibits lower humidity at 52%, while October's humidity is notably higher at 76%. For further details, you can check out Xi'an weather in October.
In comparing the weather between November and December, a noticeable shift towards colder conditions is evident. December's average temperature drops to -5°C (24°F) with minimums reaching -18°C (-1°F), showcasing a stark contrast to November's milder average of 3°C (38°F) and maximums peaking at 21°C (70°F). Additionally, December experiences significantly less precipitation, only 6 mm (0.2 in) over just 1 day, compared to November's 30 mm (1.2 in) across 3 days. Humidity levels also decline from November's 66% to December's 52%. For a more detailed look at November's climatic conditions, you can refer to Xi'an weather in November.
As December settles over Xi'an, the city experiences a distinct shift in weather compared to the milder months preceding it. Temperatures dip noticeably, making this one of the coldest times of the year, with average lows often dropping below freezing. While precipitation remains low and sporadic, the chill in the air coupled with a moderate humidity creates a crisp atmosphere that feels refreshingly invigorating. This colder climate invites residents and visitors alike to embrace winter activities and festive celebrations, a charming contrast to the warmer, livelier vibes of other seasons. To explore more about the seasonal transitions in this historical city, visit Xi'an Climate.