Last updated: August 21, 2025
In Xichang, China, December casts a varied weather palette, with temperatures ranging from a brisk -8°C (17°F) to a mild 20°C (68°F). On average, residents and visitors can expect a cool 6°C (43°F), ideal for those who enjoy crisp winter air. December sees about 40 mm (1.6 in) of precipitation over 7 days, contributing to a relative humidity of 73% that envelops the landscape. Whether you're exploring the mountains or cozying up indoors, Xichang's December weather offers a unique blend of chill and charm.
In Xichang, China, December marks a notable transition as temperatures dip significantly from the mild fall months. With a minimum of -8°C (17°F), the crisp air heralds the heart of winter, while the average temperature lingers around 6°C (43°F), providing a chilly backdrop to the festive season. The maximum temperature, reaching up to 20°C (68°F), offers brief moments of warmth during the day, inviting visitors to explore the scenic landscapes. Overall, December encapsulates a blend of biting cold and the occasional milder day, reflecting the region's unique climatic shifts as it heads towards the year's end.
In December, Xichang experiences a notable decrease in precipitation, with 40 mm (or 1.6 in) of rainfall spread across 7 days. This drop in moisture marks the beginning of the winter months, following the heavy rains of summer, which peaked in July with an impressive 251 mm (9.9 in). As the year winds down, December's rainfall tapers off, reflecting a trend towards drier conditions evident in the months leading up to it. Compared to November's 45 mm (1.8 in), this reduction signifies a gradual shift to a more stable climate, offering a pause from the region's wetter season and transitioning into the cooler, less humid winter.
In Xichang, China, December sees a noticeable drop in humidity to 73%, providing a brief respite from the summer's peak moisture levels. The month marks a transition following the highs of the summer, where July and August reach a staggering 95% and 92% respectively. As the year progresses from January's 67% to December, there’s a gradual uptick that peaks in the mid-year months. The months leading to December, particularly April and May, display a steady increase, culminating in an exceptionally humid June. However, as winter settles in, humidity levels begin to decline slightly, signaling a shift towards drier conditions that prepare the region for the cooler months ahead. This trend indicates a distinct seasonal rhythm, where the humid summer yields to the moderate conditions of late December.
As the year draws to a close, December in Xichang, China, sees a return to a moderate UV Index of 4, aligning with the beginning of the year in January. This consistency suggests a respite from the extremes earlier in the summer, where July and August reached an alarming UV Index of 11, categorized as extreme, resulting in a dangerously short burn time of just 10 minutes. Gradually, from the high values in March through June, where the UV Index peaked at 10, the levels dip as the year progresses. Interestingly, November offered a brief relief with an Index of 5 before settling back into the familiar moderate range. For more detailed insights into seasonal UV trends and precautions, check out Xichang UV Index.
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In Xichang, China, December brings a delightful contrast to the brisk winter months, offering 220 hours of sunshine. This month may be cooler compared to the sun-soaked peaks of summer, such as August with its impressive 305 sunshine hours, but it still holds its own with a relatively generous amount of sunlight. As we transition through the year, it's fascinating to note how sunshine hours steadily increase from January's 166 hours up to May's peak of 288 hours, before leveling off in the summer months. The trend shows a gradual decline starting in autumn, with December providing a gentle welcome to winter. Despite this downward trend, Xichang's December sunshine still evokes warmth and hope as the days grow shorter, reminding us of the beauty that persists even in the cooler seasons.
In December, Xichang, China, sees a notable uptick in sunny weather, with a 63% chance of sunshine that sets it apart from the colder months preceding it. This trend marks a significant leap from the dwindling chances of sun experienced during the peak summer months, where probabilities plummet to as low as 22% in July. As autumn turns to winter, the likelihood of sunny days gradually rises, peaking in late fall with 59% in November, before reaching its highest December mark. This pattern not only invites residents and visitors to enjoy the outdoors but also highlights December as a favorable month for sunshine in the region.
In Xichang, China, December ushers in a return to a shorter daylight duration, offering just 10 hours of sunlight—a trend shared with both January and November. As the year unfolds, daylight gradually lengthens from 10 hours in early winter to a peak of 14 hours during the summer months of June and July. From there, a gentle tapering occurs as daylight retreats back to 11 hours in the fall. This ebb and flow of daylight throughout the year not only marks the changing seasons but also provides a rhythmic backdrop to life in Xichang, highlighting the cozy, shorter days of winter as a time for reflection and warmth before the arrival of spring.
As December sweeps into Xichang, the wind takes on a gentle whisper, averaging 2.7 m/s (6 mph)—its softest pace of the year. This month's calm breeze contrasts with the spirited gusts of July, where winds peak at 3.9 m/s (9 mph), bringing a vibrant energy to the landscape. Throughout the year, wind speeds exhibit a subtle ebb and flow, with notably higher velocities in the spring and summer months, particularly February's brisk 3.4 m/s (8 mph) and the consistent 3.1 m/s (7 mph) seen in early winter. However, as temperatures drop and the year draws to a close, December’s calm winds create a serene atmosphere, perfect for reflecting on the shifting seasons in this picturesque region of China.
Weather in Xichang varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Xichang, focusing on differences in temperature, rainfall, humidity, and UV levels.
December typically features a bit milder weather compared to January, with average temperatures around 6°C (43°F), while January sees a slight drop to an average of 4°C (39°F). The minimum temperature in January can dip to -9°C (16°F), compared to -8°C (17°F) in December, indicating a trend towards colder nights. Precipitation levels are slightly higher in January at 43 mm (1.7 in), compared to December's 40 mm (1.6 in), although both months experience roughly the same number of rainy days—about 7. Humidity is also a bit lower in January at 67%, compared to December’s 73%. For a more detailed overview, you can check out the specifics here: Xichang weather in January.
In December, temperatures can drop to a minimum of -8°C (17°F) and rise to a maximum of 20°C (68°F), with an average of about 6°C (43°F). The month experiences moderate precipitation of 40 mm (1.6 in) over approximately 7 days, accompanied by a humidity level of 73%. In contrast, February sees a slightly milder temperature range, with a minimum of -6°C (22°F) and a maximum of 25°C (77°F), averaging around 5°C (42°F). Precipitation increases to 44 mm (1.7 in) across 8 days, while humidity drops slightly to 69%. For more detailed insights, check out Xichang weather in February.
December and March showcase notable differences in weather patterns. In December, temperatures can drop to a minimum of -8°C (17°F), with an average temperature of 6°C (43°F) and a maximum reaching 20°C (68°F). The month experiences about 40 mm (1.6 in) of precipitation spread over 7 days, accompanied by a humidity level of 73%. In contrast, March sees a milder range with minimum temperatures around -2°C (29°F), an average of 11°C (51°F), and maximums soaring to 29°C (84°F). This month also has slightly higher precipitation at 51 mm (2.0 in) over 8 days, with humidity rising to 79%. For more detailed insights into March weather, you can visit Xichang weather in March.
In December, temperatures tend to be cooler, with a minimum of -8°C (17°F) and an average of 6°C (43°F), while the maximum reaches up to 20°C (68°F). Precipitation is moderate at 40 mm (1.6 in), occurring over about 7 days, with a humidity level of around 73%. In contrast, April sees a significant shift in weather, with milder temperatures ranging from a minimum of 2°C (35°F) to a maximum of 32°C (89°F) and an average temperature of 15°C (60°F). Although April experiences more rainfall at 64 mm (2.5 in) over 8 days, the humidity rises to 86%, contributing to a much more humid and warmer atmosphere. For a more detailed look at the weather trends, check out Xichang weather in April.
December and May present striking contrasts in weather conditions. In December, temperatures can drop down to a chilly -8°C (17°F), with an average of 6°C (43°F) and a maximum of 20°C (68°F). The month experiences about 40 mm (1.6 in) of precipitation over seven days, accompanied by a humidity level of 73%. In comparison, May boasts much warmer temperatures, ranging from a minimum of 8°C (46°F) to a sweltering maximum of 36°C (97°F), with an average temperature of 21°C (70°F). Interestingly, May sees a higher precipitation level of 122 mm (4.8 in) across eight days, coupled with increased humidity at 87%. For more detailed insights, check out Xichang weather in May.
December and June present starkly contrasting weather conditions. In December, temperatures range from a chilly minimum of -8°C (17°F) to a relatively mild maximum of 20°C (68°F), with an average temperature of about 6°C (43°F). The month experiences about 40 mm (1.6 in) of precipitation over 7 days, alongside a humidity level of 73%. In contrast, June boasts significantly warmer temperatures, with a minimum of 15°C (60°F) and a maximum reaching up to 37°C (99°F), resulting in an average of 25°C (77°F). Rainfall during this month is considerably higher, totaling 137 mm (5.4 in) over 9 days, accompanied by increased humidity at 90%. For a detailed overview, you can visit Xichang weather in June.
In December, temperatures vary significantly, with a minimum of -8°C (17°F) and an average of 6°C (43°F), reaching up to a mild 20°C (68°F). The month sees moderate precipitation at 40 mm (1.6 in) over about 7 days, accompanied by a humidity level of 73%. In stark contrast, July boasts much warmer temperatures, with a minimum of 17°C (63°F) and an impressive average of 28°C (82°F), peaking at 39°C (102°F). This summer month is notable for its high precipitation of 251 mm (9.9 in) spread across 17 days, along with a significantly higher humidity of 95%. The differences in weather are striking, highlighting the seasonal extremes experienced in this region. For more details on July weather, check Xichang weather in July.
In comparing the weather between December and August, one can easily see the stark differences in temperature and precipitation. December experiences much cooler conditions, with temperatures ranging from a minimum of -8°C (17°F) to a maximum of 20°C (68°F), accompanied by moderate humidity levels of 73%. In contrast, August boasts significantly warmer temperatures, with a minimum of 21°C (69°F) and a high of 37°C (99°F), and notably increased humidity at 92%. Furthermore, August sees a considerable amount of rainfall, accumulating to 177 mm (7.0 in) over 16 days, compared to December's drier conditions with only 40 mm (1.6 in) of precipitation over 7 days. For more detailed insights, you can explore Xichang weather in August.
In December, the weather in Xichang is markedly cooler, with temperatures ranging from a minimum of -8°C (17°F) to a maximum of 20°C (68°F). The average temperature is a brisk 6°C (43°F), and the region experiences about 40 mm (1.6 in) of precipitation over 7 days, coupled with a humidity level of 73%. In contrast, September brings much warmer conditions with temperatures ranging from a minimum of 13°C (56°F) to a scorching maximum of 35°C (95°F) and an average temperature of 24°C (76°F). The month sees significantly higher precipitation at 112 mm (4.4 in) over 11 days and a slight increase in humidity at 79%. For more details on Xichang's weather during September, visit Xichang weather in September.
December and October exhibit notably different weather patterns. In October, temperatures range from a minimum of 6°C (44°F) to a maximum of 32°C (91°F), with an average temperature of 18°C (64°F). This month also sees higher precipitation, totaling 54 mm (2.1 in) over about 6 days, and humidity levels sitting at 76%. In contrast, December experiences cooler temperatures, with a minimum of -8°C (17°F) and a maximum of 20°C (68°F), averaging 6°C (43°F). The precipitation decreases to 40 mm (1.6 in) over 7 days, while humidity is slightly lower at 73%. For a deeper dive into October’s climate, you can refer to Xichang weather in October.
In comparing the weather between November and December, we see notable differences in temperature and humidity levels. November experiences milder conditions with a minimum temperature of -1°C (31°F) and an average high of 28°C (83°F), while December brings cooler temperatures, ranging from a minimum of -8°C (17°F) to a maximum of 20°C (68°F). Precipitation levels are relatively similar, with December receiving 40 mm (1.6 in) over 7 days and November slightly higher at 45 mm (1.8 in) over 6 days. Humidity also shows a slight decrease from November’s 77% to December’s 73%. For more details about November weather, you can visit Xichang weather in November.
December in Xichang marks a notable shift in weather, characterized by cooler temperatures and increased precipitation compared to other months. While the landscape transforms under the weight of the season’s humidity, averaging around 73%, the chill of winter sets in with a noticeable drop in daily highs and lows. With about 40 mm of rain over roughly seven days, the month also brings a bit more moisture, contributing to a richer, enhanced atmosphere. This blend of crisp air and sporadic showers makes December a distinct time to experience Xichang's unique climatic charm. For a more detailed look at how December fits into the overall weather patterns, explore Xichang Climate.