Last updated: August 21, 2025
In December, Chang'an, China experiences a cool and often damp climate, with average temperatures hovering around 4°C (40°F), while maximums can reach up to 14°C (58°F). The nights can be quite chilly, with lows dipping to -4°C (26°F). This month sees about 38 mm (1.5 in) of precipitation spread across approximately 9 days, contributing to an overall humidity level of 81%. As winter settles in, residents and visitors alike should prepare for a blend of crisp air and occasional rain, making it essential to layer up for comfort while exploring this historic region.
In Chang'an, China, December ushers in a distinct chill as temperatures shift noticeably from the milder autumn months. With lows averaging around -4°C (26°F) and highs reaching only 14°C (58°F), residents prepare for the winter season, which sees an overall average hovering around 4°C (40°F). This marks a continued trend of decreasing temperatures from November's more comfortable conditions. As December settles in, the sharp contrasts of the cold underscore the region's transition toward winter, making it a time for cozy gatherings and vibrant holiday celebrations amid the crisp air.
In Chang'an, China, December marks a shift towards drier conditions, with only 38 mm (1.5 inches) of precipitation recorded across an average of 9 days. This decline in rainfall follows a peak in the summer months, where July witnesses a substantial 393 mm (15.5 inches) over 21 days, reflecting the wet season's intensity. As the year draws to a close, December’s precipitation is notably lower than the preceding months, such as November, which totals 76 mm (3.0 inches) over 11 days. This trend highlights the seasonal transition towards drier winters in Chang'an, providing a vivid contrast to the lush and often torrential mid-year rains.
In December, Chang'an, China experiences a noticeable shift in humidity, settling at 81%. This marks a slight decrease from the preceding months, with November recording a higher 86%. The year showcases a seasonal trend where humidity typically peaks during the spring and summer months, reaching 87% in both March and July. As the cooler months approach, humidity levels gradually decline, with January beginning the cycle at 72%. Despite the drop in December, the humidity remains relatively high, as it does throughout the fall, creating a damp atmosphere characteristic of the region. Overall, this pattern reflects Chang'an's distinct climatic rhythms, where moist air prevails even as temperatures cool.
In December, the UV Index in Chang'an, China, drops to a moderate level of 5, offering a respite from the extreme exposure seen in the summer months. This decrease extends the burn time to 30 minutes, allowing for a more leisurely outdoor experience without the urgency for immediate protection. As the year progresses from January's high UV Index of 6 to the peak of 13 in June, December’s values reflect a significant transition toward safer sun exposure. This trend of fluctuating UV levels emphasizes the importance of adapting sun safety practices throughout the year. For more details about UV levels throughout the months, visit Chang'an UV Index.
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In Chang'an, China, the sun graces the city with its vibrant presence throughout the year, culminating in a decent December with 197 hours of sunshine. As the chill of winter sets in, sunlight begins to wane from the highs of August, which boasts an impressive 310 hours, creating a stark contrast to the darker winter months. From the bright peaks of spring, with March and April showcasing 228 and 235 hours respectively, the gradual decline in daylight reminds us of the cyclical nature of seasons. Nevertheless, December still manages to hold its ground, providing a satisfying retreat from the gloom of winter, while offering a glimpse of what lies ahead in the promise of brighter days.
In December, the likelihood of sunny weather in Chang'an, China, hovers around 40%, making it a relatively bright end to the year compared to the winter months that follow. This percentage is slightly higher than November's 39%, suggesting a trend toward sunnier days as the calendar turns. While the sunniest months peak in January with a 43% chance, December maintains a consistent level of sunlight, especially when considering the lower probabilities seen from April to October. With seasonal shifts influencing this variability, December presents a promising opportunity for those seeking mild sunshine before the omens of winter deepen.
In Chang'an, China, the daylight duration exhibits a rhythmic cycle throughout the year, peaking in June with a generous 14 hours of sunlight. As the seasons transition, we witness a gradual increase in daylight from 10 hours in January to a vibrant 13 hours in May. However, this abundance of light begins to recede after summer, reflecting nature's shifting patterns. By December, daylight returns to 10 hours, mirroring the length of the days at the start of the year, creating a sense of continuity. This elegant fluctuation highlights the delicate balance between light and darkness, defining the essence of Chang'an's seasonal experience.
In December, the wind in Chang'an, China continues a pattern of gentle breezes, with an average speed of 1.2 m/s (3 mph). This month mirrors the wind conditions seen throughout the colder months, where the speeds generally fluctuate between 1.1 m/s and 1.4 m/s. A subtle decline in wind speed is noticeable as we transition from autumn to winter, marked by November's slight dip to 1.1 m/s. However, December maintains a stable, soft current that encourages a calm, reflective atmosphere as the year draws to a close. Remarkably, the overall consistency of the wind in this historical city supports its serene landscape, providing a tranquil backdrop for those wandering through its storied streets.
Weather in Chang'an varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Chang'an, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January present a continuation of winter weather, but with some notable differences. In December, temperatures range from a minimum of -4°C to an average of 4°C, peaking at 14°C. With precipitation totaling 38 mm over 9 days and high humidity at 81%, the month tends to feel damp and chilly. Conversely, January sees slightly colder temperatures, with a minimum of -7°C and an average of 3°C, though it maintains a maximum of 14°C. Precipitation increases to 54 mm over 10 days, yet humidity falls to 72%, making the air feel a bit drier. For more detailed information, you can check Chang'an weather in January.
In December, the weather tends to be colder, with average daily temperatures ranging from a low of -4°C (26°F) to a high of 14°C (58°F). The month sees about 38 mm (1.5 in) of precipitation over 9 days, with humidity levels at 81%. In contrast, February experiences a slight warming trend, with average temperatures from -4°C (24°F) to a more comfortable high of 22°C (72°F). Precipitation increases to 66 mm (2.6 in) over 11 days, while humidity slightly drops to 76%. This makes February feel somewhat milder and wetter compared to the chilliness of December. For more specifics on February weather, you can check Chang'an weather in February.
In December, temperatures tend to be cooler, with a minimum of -4°C (26°F) and an average of 4°C (40°F), peaking at 14°C (58°F). The month experiences moderate precipitation, averaging 38 mm (1.5 in) over about 9 days, along with a humidity level of 81%. In contrast, March sees a significant increase in warmth, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 26°C (79°F) and an average of 10°C (50°F). However, it also brings higher precipitation, totaling 145 mm (5.7 in) across 15 days, accompanied by an increased humidity of 87%. For more details about the weather during this month, you can visit Chang'an weather in March.
In December, temperatures range from a chilly -4°C (26°F) to a milder 14°C (58°F), with an average of around 4°C (40°F). The month sees about 38 mm (1.5 inches) of precipitation over approximately 9 days, and humidity levels are relatively high at 81%. In contrast, April experiences a significant warming trend, with temperatures ranging from a low of 3°C (37°F) to a high of 28°C (83°F) and an average of 14°C (57°F). This month also brings a considerable increase in rainfall, totaling 169 mm (6.6 inches) over about 15 days, while humidity remains similarly high at 82%. For a more detailed look into the weather patterns of April, you can visit Chang'an weather in April.
December and May provide a striking contrast in weather. In December, temperatures range from a chilly -4°C (26°F) at night to a mild 14°C (58°F) during the day, with average temperatures hovering around 4°C (40°F). This month experiences moderate precipitation, totaling 38 mm (1.5 in), and typically sees about 9 days of rain, accompanied by relatively high humidity of 81%.
In stark contrast, May offers much warmer conditions, with nighttime lows of 8°C (47°F) and daytime highs reaching up to a sweltering 30°C (87°F), averaging 18°C (64°F). However, May is also characterized by significantly higher rainfall, accumulating 239 mm (9.4 in) over 17 days, and a similar humidity level of 83%. For a closer look at the weather specifics in May, you can explore Chang'an weather in May.
December and June present strikingly different weather contrasts. In December, temperatures range from a chilly minimum of -4°C (26°F) to a moderate maximum of 14°C (58°F), with an average of 4°C (40°F). The month experiences a relatively low precipitation of 38 mm (1.5 in) over about 9 days, paired with a humidity level of 81%. In contrast, June brings much warmer conditions, with temperatures starting at a minimum of 12°C (54°F) and soaring to a high of 31°C (89°F), averaging around 21°C (70°F). However, it also experiences significantly higher rainfall, accumulating 280 mm (11.0 in) across 19 days and maintaining a similar humidity of 84%. For a more comprehensive look at conditions during this month, check Chang'an weather in June.
When comparing the weather in December and July, it's clear that the two months present vastly different climates. December sees much cooler temperatures, with a minimum of -4°C (26°F) and an average of 4°C (40°F), while July boasts much warmer conditions, featuring a minimum of 17°C (62°F) and an average of 24°C (75°F). Additionally, July experiences a significantly higher amount of rainfall, with 393 mm (15.5 in) of precipitation over 21 days, compared to December's 38 mm (1.5 in) across 9 days. The humidity in July is also slightly higher at 87%, while December’s humidity is recorded at 81%. For a more detailed look at what to expect in the summer, you can explore Chang'an weather in July.
December and August present strikingly different weather patterns. In December, temperatures range from a chilly minimum of -4°C (26°F) to a maximum of 14°C (58°F), with an average of 4°C (40°F). The month sees about 38 mm (1.5 in) of precipitation over 9 days, accompanied by relatively high humidity at 81%. In contrast, August offers a much warmer climate, with temperatures ranging from a minimum of 15°C (59°F) to a maximum of 34°C (93°F) and an average of 24°C (75°F). This month experiences significantly more rainfall, totaling 181 mm (7.1 in) across 18 days, while also maintaining a high humidity of 85%. For more details on the weather in August, visit Chang'an weather in August.
When comparing the weather in December and September, it's clear that December tends to be significantly colder. The average temperature in December hovers around 4°C (40°F), with nighttime lows dropping to -4°C (26°F), while September offers warmer averages of 20°C (68°F) and daytime highs reaching up to 30°C (87°F). Moreover, September experiences a much higher amount of precipitation, totaling 208 mm (8.2 in) over 19 days, compared to December’s more modest 38 mm (1.5 in) over 9 days. Humidity levels are relatively similar, with December at 81% and September slightly lower at 77%. For a deeper look at September weather patterns, you can visit Chang'an weather in September.
In comparing the weather between December and October, it's clear that December tends to be much colder, with average temperatures ranging from a minimum of -4°C (26°F) to a maximum of 14°C (58°F). In contrast, October enjoys significantly warmer temperatures, with averages between 6°C (44°F) and 29°C (84°F). Precipitation also differs, as October experiences higher rainfall at 139 mm (5.5 in) over 14 days, compared to December's 38 mm (1.5 in) spread over just 9 days. Despite the temperature variations, both months maintain a consistent humidity level of 81%. For more detailed information on October weather, you can visit Chang'an weather in October.
Comparing December and November weather, December tends to be colder, with average temperatures ranging from a minimum of -4°C (26°F) to a maximum of 14°C (58°F), while November sees a milder average temperature from 0°C (33°F) to 20°C (68°F). December also experiences less precipitation, totaling 38 mm (1.5 in) over 9 days, compared to November's 76 mm (3.0 in) across 11 days. Additionally, humidity levels in December average around 81%, slightly lower than November's 86%. For a more detailed insight into November's weather conditions, you can check out Chang'an weather in November.
As December arrives in Chang'an, the weather takes a notable turn. The crisp air marks the transition into winter, with temperatures cooling significantly compared to the milder months preceding it. With an average chilliness and a few light showers scattered throughout the month, December presents a unique blend of serenity and briskness that invites cozy gatherings and festive preparations. The higher humidity combined with the occasional rain contributes to a distinctly refreshing atmosphere, making it a month of transformation. For a deeper understanding of what to expect throughout the year, visit Chang'an Climate.