Last updated: August 21, 2025
December in Xi'an, China embraces the chill of winter, with temperatures ranging from a maximum of 24°C (75°F) to a minimum of -2°C (29°F). The month's average temperature hovers around 9°C (49°F), making it a time for warm layers and cozy gatherings. With 61 mm (2.4 in) of precipitation over 11 rainy days, visitors can expect a mix of cloudy skies and occasional showers. The humidity level at 69% adds a biting edge to the cool air, underscoring the season's brisk atmosphere. This blend of temperatures and weather conditions creates a unique backdrop for exploring the rich history and vibrant culture of Xi'an during the winter months.
In December, Xi'an experiences a noticeable shift towards winter, with temperatures fluctuating between a chilly -2°C (29°F) at night and a mild 24°C (75°F) during the day. The average temperature settles around 9°C (49°F), reflecting a gradual cooling trend as the year draws to a close. This month marks a departure from the milder autumn conditions of November, where temperatures ranged from 5°C (42°F) to 27°C (82°F). December's colder nights paired with pleasantly warm afternoons create a unique climate, perfect for exploring the rich history of this ancient city. As you stroll through its vibrant streets, be prepared to bundle up for the evening chill while enjoying the warmth of the daytime sun.
In December, Xi'an experiences a noticeable drop in precipitation, with 61 mm (2.4 in) recorded over 11 days. This marks a significant decrease from the wetter months that precede it, particularly March and June, which see totals exceeding 270 mm. As winter casts its chill, December's milder rainfall highlights a seasonal shift, transitioning from the heavy downpours of earlier months to a drier climate. This decrease not only signifies a change in weather patterns but also sets the stage for a crisp and often clear winter in Xi'an, where residents and visitors alike can enjoy the serene beauty of the season.
December in Xi'an, China ushers in a slight dip in humidity, hovering around 69%. As the year draws to a close, this level reflects a trend of fluctuating moisture content throughout the months. Notably, the mid-year peak in humidity, characterized by a steamy July at 89%, gives way to more comfortable levels in fall and early winter. While December's humidity is higher than the preceding months of October and September, it stands as a reminder of the increasing moisture experienced in the warm season. This gentle transition towards winter encapsulates Xi'an's unique climate, blending dryer autumn air with the onset of winter's chill.
As winter settles in Xi'an, China, December brings a noticeable decline in the UV Index, registering at 6—a marked step down from the extremes of the previous months. This shift places December in the high exposure category, allowing for a more forgiving burn time of 25 minutes compared to the relentless 10 minutes experienced during the peak summer months. Following a trend of gradually decreasing UV levels, December offers a reprieve from the extreme conditions prevalent from March through August. With the UV Index tapering down, it's a fitting moment for residents to embrace the outdoors responsibly while staying informed about sun safety. For detailed insights, visit Xi'an UV Index.
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In Xi'an, China, December wraps up the year with a moderate 203 hours of sunshine, providing a pleasant close to the fall season. This month, while slightly dimmer than the luminous peak of summer, still offers a significant amount of golden rays, suggesting a gradual transition into the cooler months. Throughout the year, sunshine hours in Xi'an display a notable pattern: the city enjoys its highest sunlit days in the sweltering summer, with July and August basking in over 300 hours. As temperatures dip towards winter, the sunlight gently recedes, yet December's brightness stands resilient compared to the earlier months of the year. This trend highlights Xi'an's characteristic seasonal shifts, where even in the chill of December, some warmth and light linger.
In December, Xi'an, China, enjoys a 50% chance of sunny weather, marking a notable shift as the year comes to a close. This month's likelihood of sunshine is a refreshing contrast to the predominantly overcast days of the preceding months, particularly the early winter when cloud cover tends to dominate. While sunshine is more prevalent in January at 58%, December stands strong with a promising forecast, indicating that winter in Xi'an can still bring about cheerful, sunny days—perfect for exploring the city's rich heritage. As the seasons transition, December offers a blend of brisk air and the possibility of bright, blue skies, enticing both locals and travelers alike to embrace outdoor adventures.
In Xi'an, China, the daylight duration experiences a rhythmic ebb and flow throughout the year. As winter arrives in December, the city receives 10 hours of daylight, mirroring the shorter days of both January and November. This period marks the end of a gradual increase in daylight that began in February, reaching a peak of 13 hours during the late spring and summer months from May through July. Following the lush brightness of summer, daylight begins to wane again in August, with hours steadily decreasing as autumn unfolds, leading to the return of shorter days in winter. The pattern illustrates a clear transition between seasons, creating a dynamic interplay between light and darkness throughout the year.
In December, the winds in Xi'an, China maintain a steady breeze, averaging 2.0 m/s (4 mph), which aligns closely with the city’s November wind patterns. This consistency hints at a seasonal stability as the end of the year approaches, having only minor fluctuations among the previous months. Interestingly, after a peak in October with an average wind speed of 2.5 m/s (6 mph), the wind slightly calms down into December but remains strong enough to sweep through the ancient streets. Overall, the winter months reveal a trend of moderate winds, providing a refreshing respite from the heavier summer breezes that previously prevailed.
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.
In December, temperatures in Xi'an range from a minimum of -2°C (29°F) to a maximum of 24°C (75°F), with an average of 9°C (49°F). The month receives around 61 mm (2.4 in) of precipitation over 11 days, contributing to a relatively humid environment with humidity levels at 69%. In contrast, January sees slightly cooler temperatures, with an average of 8°C (47°F), dropping to a minimum of -2°C (28°F) and peaking at 22°C (71°F). Additionally, precipitation increases to 84 mm (3.3 in) over 10 days, while humidity decreases to 62%. For more detailed information, please visit Xi'an weather in January.
December and February exhibit somewhat similar temperature ranges, with both months experiencing minimum temperatures around -2°C (29°F). However, February tends to be slightly warmer on average, with an average temperature of 10°C (50°F) compared to December's 9°C (49°F). Additionally, February sees higher maximum temperatures, reaching up to 26°C (79°F), while December peaks at 24°C (75°F). Precipitation is significantly greater in February, accumulating 155 mm (6.1 in) over 13 days, whereas December has only 61 mm (2.4 in) over 11 days. Interestingly, the humidity level in February is slightly lower at 66%, compared to December's 69%. For more detailed insights into February weather in Xi'an, you can check out this link: Xi'an weather in February.
In December, temperatures in Xi'an range from a chilly minimum of -2°C (29°F) to a comfortable average of 9°C (49°F), with a maximum reaching up to 24°C (75°F). The month sees about 61 mm (2.4 in) of precipitation spread over 11 days, accompanied by a humidity level of 69%. In contrast, March experiences warmer weather, with minimums around 4°C (39°F), an average of 15°C (59°F), and maximums soaring to 28°C (83°F). However, March also brings significantly more rainfall, totaling 277 mm (10.9 in) over 23 days and slightly higher humidity at 73%. For more detailed insights, check out Xi'an weather in March.
December and April present distinct contrasts in weather. In December, temperatures range from a chilly -2°C (29°F) to a mild 24°C (75°F), with an average of 9°C (49°F). The month experiences lower precipitation, averaging 61 mm (2.4 in) over 11 days, while humidity is around 69%. In stark contrast, April sees a significant rise in temperature, with a minimum of 6°C (43°F), an average of 18°C (65°F), and a maximum reaching up to 30°C (86°F). Precipitation also increases significantly to 243 mm (9.6 in) over 21 days, accompanied by a slightly higher humidity level of 70%. For a detailed overview of April’s climate, check out Xi'an weather in April.
In comparison to December, May presents significantly warmer temperatures, with averages around 23°C (73°F) compared to December's average of 9°C (49°F). While December experiences a milder climate with maximum temperatures reaching 24°C (75°F), May can soar to a maximum of 33°C (91°F). Additionally, May is notably wetter, with 219 mm (8.6 in) of precipitation over 23 days, in stark contrast to December’s 61 mm (2.4 in) across just 11 days. The humidity levels also rise in May to 84%, compared to 69% in December. For more details on this month, you can check Xi'an weather in May.
December and June display stark contrasts in weather conditions. In December, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable average of 9°C (49°F), with a maximum temperature reaching 24°C (75°F). This month typically sees 61 mm (2.4 in) of precipitation over 11 days, accompanied by a moderate humidity level of 69%. In contrast, June experiences much warmer temperatures, ranging from a minimum of 16°C (61°F) to an average of 25°C (78°F), and peaking at a hot 33°C (91°F). The month is also significantly wetter, with 297 mm (11.7 in) of precipitation over 23 days and higher humidity at 83%. For more detailed information, you can check Xi'an weather in June.
December and July present stark contrasts in weather. In December, temperatures range from a chilly minimum of -2°C (29°F) to a comfortable maximum of 24°C (75°F), with an average of 9°C (49°F). This month sees about 61 mm (2.4 in) of precipitation over approximately 11 days, accompanied by a moderate humidity level of 69%. In contrast, July experiences much warmer conditions, with temperatures ranging from a minimum of 20°C (69°F) to a scorching maximum of 35°C (95°F) and an average of 27°C (81°F). Rainfall is significantly higher in July, reaching 152 mm (6.0 in) across around 19 days, and the humidity also rises to 89%. For more details about July's weather, you can check Xi'an weather in July.
When comparing December and August weather, the stark differences are immediately apparent. December features temperatures ranging from a chilly minimum of -2°C (29°F) to a pleasant average of 9°C (49°F), while August boasts a much warmer range with minimums around 20°C (68°F) and highs reaching up to 36°C (97°F). Additionally, August experiences significantly more precipitation at 152 mm (6.0 in) over 19 days compared to December's 61 mm (2.4 in) across just 11 days. Humidity levels also rise in August to 87%, contrasting with December's more moderate 69%. For more detailed insights, you can explore Xi'an weather in August.
In comparing the weather between December and September, the contrast is quite striking. December experiences cooler temperatures, with a minimum of -2°C (29°F) and an average of 9°C (49°F), while September boasts a much warmer climate, featuring a minimum of 15°C (60°F) and an average of 25°C (78°F). Notably, September also sees higher maximum temperatures reaching up to 36°C (97°F), compared to December's maximum of 24°C (75°F). Precipitation is more frequent in September, with 130 mm (5.1 in) over 15 days, contrasting with December's 61 mm (2.4 in) over 11 days. While December’s humidity stands at 69%, September remains slightly drier at 63%. For more detailed insights into September weather specifics, check out Xi'an weather in September.
In comparing the weather of December and October, October presents much milder temperatures, with an average of 19°C (67°F) and highs reaching up to 33°C (92°F). In contrast, December experiences significantly cooler averages, around 9°C (49°F), with maximum temperatures of only 24°C (75°F). Additionally, precipitation is slightly higher in October, totaling 75 mm (3.0 in) over 9 days, compared to December's 61 mm (2.4 in) over 11 days. The humidity is also lower in October at 59%, whereas December’s humidity sits at a higher 69%. For more details on October weather, you can visit Xi'an weather in October.
In comparison to November, December experiences a notable drop in temperatures, with minimums plummeting to -2°C (29°F) and average highs reaching 24°C (75°F), while November showcases a milder range with minimums at 5°C (42°F) and average highs of 27°C (82°F). While December brings less precipitation at 61 mm (2.4 in) over 11 days, November features a higher total of 97 mm (3.8 in) within the same timeframe, indicating a wetter month. Humidity levels are slightly higher in December at 69%, compared to November's 66%, contributing to a chillier feel during the winter month. For a closer look at November's climate specifics, you can check Xi'an weather in November.
As December arrives in Xi'an, the weather ushers in a distinct shift compared to the rest of the year. With a mix of chilly days and milder afternoons, temperatures can reach a comfortable maximum of 24°C, but typically hover around a cool average of 9°C, dipping to refreshing lows of about -2°C at night. This month is also characterized by higher humidity levels and an increase in precipitation, with about 11 days of light rain contributing to a total of 61 mm. Whether you're exploring historic sites draped in a winter coat or enjoying the festive atmosphere, December in Xi'an offers a unique backdrop. For more detailed insights, visit Xi'an Climate.