Last updated: August 21, 2025
December in Xi'an, China offers a captivating blend of cool temperatures and occasional rain. With maximum highs reaching 19°C (66°F) and an average of 6°C (43°F), visitors can expect brisk days. The nights can drop to a chilly minimum of -6°C (22°F), emphasizing the need for warm attire. Precipitation is moderate, totaling 47 mm (1.9 in) across about 8 days, contributing to a humid atmosphere with levels around 76%. This month showcases the city’s historical charm against a backdrop of cool, cloudy skies, making it an intriguing time for exploration.
In December, Xi'an experiences a notable transition as temperatures dip significantly, with lows averaging -6°C (22°F) and highs reaching a pleasant 19°C (66°F). This month's average temperature settles at 6°C (43°F), marking the tail end of autumn and the brink of winter. The steady decline from November's milder conditions hints at the colder months ahead, with December's chill contrasting sharply with the warmer peaks of summer, where temperatures soared above 37°C (99°F). As the air cools, the city transforms into a serene winter landscape, inviting both locals and travelers to embrace the quieter charm of Xi'an while wrapping up in cozy layers.
In December, Xi'an, China experiences a notable shift in precipitation patterns, characterized by a decrease in both the amount of rainfall and the number of rainy days. With only 47 mm (1.9 in) of precipitation occurring over 8 days, December marks the tail end of the wetter months, showing a stark contrast to the peak in May and June, which typically see over 250 mm. As temperatures dip and the year winds down, this decline heralds a transition towards the drier winter months, emphasizing the region's seasonal variability. The reduction in precipitation days compared to the previous months underscores a calmness settling over the city, allowing for clearer skies and a more serene atmosphere as winter fully takes hold.
December in Xi'an, China, marks the beginning of a shift in humidity patterns as the year comes to a close. With an average humidity of 76%, December sees a noticeable dip compared to the peak of 89% in July, yet it remains relatively high in the context of the autumn months. This transitional month reflects the trend of increased moisture seen throughout the spring and summer, particularly from March to June, when levels hover around 86% to 87%. As temperatures cool and winter approaches, the humidity slightly declines, dropping from November's 82%, offering a more comfortable atmosphere for residents and visitors alike to enjoy the city's rich history and culture.
As winter settles in Xi'an, the UV Index sees a notable dip in December, with a value of 5 classified as moderate. This decrease in UV exposure offers a reprieve from the extreme levels experienced during the summer months, which peaked at UV Index 13 in July. Interestingly, while December’s burn time extends to 30 minutes—allowing for leisurely outdoor activities without overwhelming sun protection—it marks a stark contrast to the 10 minutes required during those sweltering peak months. Overall, December provides a gentler climate for sun exposure, encouraging residents and visitors alike to take advantage of the cooler weather while being mindful of skin protection. For more details on seasonal UV trends, check the full report here: Xi'an UV Index.
UV Risk Categories
In December, Xi'an enjoys a refreshing return to a cooler ambiance, with 188 hours of sunlight that mirrors the diminishing daylight of late autumn. As the year draws to a close, the city experiences a beautiful interplay of warmth and chill, reminiscent of the sun-soaked days earlier in the year, like June and July's peak of 257 and 297 hours respectively. Following the vibrant summer months, sunlight begins to taper off, with December maintaining a consistent glow found in November and October. Though it may lag behind the sun-drenched heights of summer, December’s sunshine is still invigorating, offering a serene backdrop for the mesmerizing historical wonders of Xi'an as the year transitions into winter.
In Xi'an, China, December tends to be a month of fluctuating sunshine, with a 49% chance of sunny weather. This marks a gentle increase from the prior month, November, which boasts a 45% likelihood of sunshine. As the year progresses, the trend indicates a shift in weather patterns; while the earlier months (particularly from March to June) show notably lower chances of sun, the late fall and early winter months exhibit a more promising outlook. December's sun probability is only slightly lower than that of January at 46%, hinting at a transition where sunny days become more common again. Thus, while it's not guaranteed, there’s a fair chance for visitors and locals alike to bask in some winter sun as the year draws to a close.
In Xi'an, China, daylight duration exhibits a rhythmic pattern throughout the year, reflecting the changing seasons. Starting with 10 hours in January, daylight gradually stretches to a peak of 13 hours during the vibrant summer months of May through August. Following this summer high, the light begins to recede, settling back to 10 hours by December. This cyclical trend highlights the natural ebb and flow of daylight, offering residents a blend of extended summer evenings and shorter winter days. Overall, the gradual transitions not only mark the passage of time but also influence the lifestyle and activities of those living in this historic city.
As December settles over Xi'an, China, the average wind speed finds a gentle balance at 2.3 m/s (5 mph), creating a serene atmosphere that contrasts with the bustling life of the city. Observing the trend throughout the year, it's clear that the winds are at their strongest in the cooler months, peaking in October at 3.1 m/s before gradually subsiding. Interestingly, winter months like November and December maintain a consistent calmness reminiscent of early spring, where wind speeds hover around the 5 mph mark, providing a soft whisper of breeze among the historical sights. This seasonal transition highlights a notable pattern where the wind ebbs and flows, mirroring the rhythm of life in this iconic city as it moves gracefully into the new year.
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 notable differences in weather patterns. In December, temperatures range from a minimum of -6°C (22°F) to a maximum of 19°C (66°F), with an average of 6°C (43°F). The month experiences 47 mm (1.9 in) of precipitation over 8 days, accompanied by a relatively high humidity of 76%. In contrast, January sees a slight drop in average temperature to 4°C (39°F), with minimums dipping to -7°C (19°F) and maximums peaking at 18°C (65°F). Precipitation increases to 64 mm (2.5 in) over 9 days, while humidity decreases to 71%. For those interested in exploring more about January's weather, visit Xi'an weather in January.
December and February exhibit interesting contrasts in weather despite their proximity on the calendar. December typically sees cooler temperatures, with a minimum of -6°C (22°F) and a maximum of 19°C (66°F), while February offers slightly milder conditions, ranging from -3°C (26°F) to a maximum of 26°C (78°F). Precipitation is more frequent in February, occurring on 12 days with a total of 91 mm (3.6 in), compared to 8 days and 47 mm (1.9 in) in December. Additionally, humidity levels remain relatively stable, hovering around 76% in December and slightly lower at 75% in February. For more detailed insights, you can check the Xi'an weather in February.
December and March present markedly different weather conditions. In December, temperatures can drop to a minimum of -6°C (22°F) and average around 6°C (43°F), with a maximum of 19°C (66°F). The month experiences moderate precipitation, totaling about 47 mm (1.9 in) over 8 days, and humidity levels are relatively comfortable at 76%.
In contrast, March sees a significant rise in temperatures, with a minimum of 3°C (37°F) and an average of 12°C (53°F), peaking at 29°C (84°F). The precipitation also increases substantially to 194 mm (7.6 in) over 18 days, along with higher humidity levels at 86%. These differences highlight March as a much wetter and warmer month compared to the colder and drier December. For a detailed look at the weather patterns in March, you can visit Xi'an weather in March.
December and April exhibit strikingly different weather patterns. In December, temperatures range from a chilly minimum of -6°C (22°F) to a more moderate maximum of 19°C (66°F), with an average of 6°C (43°F). The month experiences a relatively low precipitation of 47 mm (1.9 in) over 8 days and a humidity level of 76%. In contrast, April warms up significantly, featuring a minimum temperature of 5°C (40°F) and soaring up to a maximum of 31°C (88°F), with an average of 16°C (61°F). Precipitation increases to 159 mm (6.3 in) across 17 days, accompanied by higher humidity at 86%. For more specific details about the weather in April, you can visit Xi'an weather in April.
December weather is characterized by significantly cooler temperatures, ranging from a minimum of -6°C (22°F) to a maximum of 19°C (66°F), with an average of 6°C (43°F). The month sees relatively low precipitation at 47 mm (1.9 in) over approximately 8 days, and humidity levels are moderate at 76%. In contrast, May experiences a much warmer climate, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 33°C (92°F) and an average of 20°C (69°F). However, it also brings increased rainfall, totaling 241 mm (9.5 in) over 17 days, and higher humidity levels at 86%. For a more detailed look at May weather in Xi'an, check out Xi'an weather in May.
December and June present starkly contrasting weather conditions. In December, temperatures range from a chilly -6°C (22°F) at night to a mild 19°C (66°F) during the day, with an average of 6°C (43°F). The month sees 47 mm (1.9 in) of precipitation spread over 8 days, and humidity levels are relatively high at 76%. In contrast, June boasts much warmer temperatures, with a minimum of 15°C (60°F) and a maximum reaching 34°C (93°F), averaging 24°C (75°F). This month is also quite rainy, experiencing a significant 255 mm (10.0 in) of precipitation over 18 days, coupled with even higher humidity at 87%. For more details on June weather, check out Xi'an weather in June.
The weather in December and July presents a striking contrast. December experiences much cooler temperatures, with a minimum of -6°C (22°F) and an average of 6°C (43°F), while July boasts much warmer conditions, ranging from a minimum of 18°C (65°F) to an average of 27°C (81°F). Precipitation levels also differ significantly; December sees only 47 mm (1.9 in) across 8 days, whereas July is much wetter with 260 mm (10.2 in) over 18 days. Additionally, humidity is generally higher in July at 89%, compared to December's 76%. For more detailed information, you can check Xi'an weather in July.
In December, the weather is quite chilly, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 19°C (66°F) and an average of 6°C (43°F). The month experiences moderate precipitation, with about 47 mm (1.9 in) falling over 8 days, and humidity levels sitting at a comfortable 76%. In contrast, August brings significantly warmer temperatures, with lows of 18°C (65°F) and highs reaching up to 36°C (98°F), averaging around 27°C (81°F). This month is also wetter, recording 202 mm (8.0 in) of rainfall over 18 days, accompanied by higher humidity at 86%. For more details on the climate, you can visit Xi'an weather in August.
December and September present contrasting weather conditions. In December, temperatures typically range from a chilly -6°C (22°F) to a mild 19°C (66°F), with an average of 6°C (43°F). Precipitation is relatively low at 47 mm (1.9 in), occurring over about 8 days, and humidity sits at 76%, creating a crisp atmosphere. In contrast, September enjoys much warmer temperatures, with minimums around 14°C (58°F) and maximums reaching as high as 35°C (95°F), averaging 23°C (73°F). However, it experiences more rainfall, totaling 141 mm (5.6 in) over approximately 14 days, and slightly lower humidity at 70%. For more detailed information, you can check Xi'an weather in September.
In December, the weather turns notably colder with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 19°C (66°F), averaging around 6°C (43°F). This contrasts sharply with October, where temperatures are more moderate, peaking at 34°C (93°F) and averaging 16°C (62°F), with a minimum of 7°C (46°F). Additionally, December experiences less precipitation at 47 mm (1.9 in) over 8 days, compared to October's 89 mm (3.5 in) across 11 days. Humidity levels remain relatively consistent, with December at 76% and October slightly lower at 72%. For more details about October weather, visit Xi'an weather in October.
December weather is notably colder than November, with average temperatures ranging from a brisk -6°C to a maximum of 19°C, compared to November's milder range of 2°C to 28°C. November experiences higher humidity levels at 82%, while December sees a slight decrease to 76%. Additionally, December has less precipitation, totaling 47 mm over 8 days, compared to November's 64 mm spread across 12 days. Those looking to learn more about November's weather can check out Xi'an weather in November.
As December unfolds in Xi'an, the weather paints a chillier picture compared to the milder months earlier in the year. With an average temperature of 6°C, days are cooler and nights can dip to a brisk -6°C, offering a stark contrast to the more temperate conditions of autumn. While precipitation begins to taper off, the month still sees some rain, contributing to the overall humidity of 76%. This blend of cool temperatures and occasional rain makes December a unique time to visit, perfect for enjoying the city's rich history without the crowds found during warmer months. Embrace the seasonal changes and experience winter's charm in Xi'an by exploring more about its climate at Xi'an Climate.