December Weather in Chang'an, China

Last updated: August 21, 2025

In December, Chang'an, China experiences a cool and crisp climate, with an average temperature hovering around -10°C (15°F). The month sees maximum temperatures reaching up to 5°C (41°F), while night temperatures can plunge as low as -26°C (-14°F), creating a stark winter atmosphere. Despite the chill, precipitation is minimal, with only 10 mm (0.4 in) recorded over just 1 day. The humidity level remains relatively high at 70%, enhancing the character of the season. This combination of low temperatures and limited precipitation offers a unique winter experience, inviting visitors to embrace the serene beauty of Chang'an's winter landscape.

December Temperature in Chang'an

As December rolls in, Chang'an, China experiences a stark chill that marks the heart of winter. With average temperatures plunging to -10°C (15°F), the city grapples with its coldest month, where nighttime lows can dip as low as -26°C (-14°F). While the maximum temperature nudges up to 5°C (41°F), the overall trend displays a significant drop from the milder months preceding it. This seasonal shift underscores the region's dramatic contrast from the warmer, more temperate conditions earlier in the year, creating a wintry landscape that invites cozy gatherings and festive celebrations amidst the frost.

December Weather in Chang'an: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Chang'an, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Chang'an, December typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec111733465764727161463014
Data source: Temperature data for Chang'an generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Chang'an

In December, Chang'an, China, experiences a notable decrease in precipitation, totaling just 10 mm (0.4 in) over the month. This is a stark contrast to the summer months, which see significantly higher rainfall, peaking in August with 182 mm (7.2 in). The dampness of December is brief, with only one day of rain, marking it as one of the driest months in the year. As winter sets in, the city's precipitation pattern shifts from the abundant summer showers to sparse, occasional drizzle, underscoring a clear trend of diminishing rainfall as the seasons transition from vibrant, wet summers to cold, drier winters.

December Precipitation Trends in Chang'an

The chart displays monthly precipitation patterns in Chang'an, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Chang'an, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7132827778010118278353610
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Chang'an

As December arrives in Chang'an, China, the city's humidity settles at a moderate 70%, a noticeable decrease from the sweltering summer months. Throughout the year, humidity levels exhibit a clear pattern: starting at a high of 87% in July and peaking at 89% in August, the levels gradually decline as the seasons shift. By November, a significant drop to 67% signals the approach of winter, with December’s humidity slightly rebounding. This trend underscores a transition from the oppressive heat and moisture of summer to the drier, crisp air of winter, offering a refreshing change for residents and visitors alike.

December Average Humidity in Chang'an

This chart illustrates the average monthly humidity levels in Chang'an, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Chang'an is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%75%70%65%72%82%87%89%84%83%67%70%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Chang'an

In December, Chang'an, China experiences a low UV Index of 2, indicating minimal risk from sun exposure. The recommended burn time stretches to 45 minutes, allowing residents and visitors to enjoy outdoor activities with relative peace of mind. This lower UV Index marks a significant drop from the peak summer months, where values soared to as high as 10 in July and August, demanding strict sun protection measures. As winter settles in, the UV exposure remains manageable, echoing the trend of decreasing UV values as the year comes to an end. For more details and daily updates, visit the Chang'an UV Index.

Maximum UV Index Levels in Chang'an for December

The chart shows the monthly maximum UV Index (UVI) for Chang'an in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Chang'an typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec23578910107532
Data source: Chang'an December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

December Sunshine in Chang'an

In December, Chang'an basks in 230 hours of sunshine, a charming finale to the year's steady climb of sun-soaked days. This month experiences a gentle dip compared to the vibrant summer peak of 312 hours in July, but it notably outshines the earlier winter months, such as January's mere 192 hours. The progression from February's 232 hours to March's 280 hours illustrates a gradual awakening of light, culminating in the lush rays of late spring and the warmth of summer. As the year winds down, December offers a cozy blend of crisp air and golden sunlight, inviting moments of reflection amidst the beautiful cycle of the seasons.

Monthly Sunshine Duration in Chang'an: December Highlighted

The December sunshine duration represents the total number of hours Chang'an experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec192h232h280h287h299h303h312h271h278h259h223h230h
Data source: Chang'an December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Chang'an During December

As December approaches in Chang'an, China, the likelihood of enjoying sunny weather makes a noticeable leap, with a 66% chance of sunshine. This is the highest probability recorded for any month of the year, showcasing a delightful transition as the colder season sets in. Following a steady decline in sun chances during the summer months—plummeting to an all-time low of 21% in July—the city experiences a gradual rebound in sunshine during the fall. November holds a 47% chance, but as December unfolds, residents can look forward to brighter days, reinforcing a trend that pairs the winter chill with a surprising amount of sunny afternoons, perfect for holiday outings and festive activities.

Percentage of Sunny Days in December in Chang'an

The chart illustrates the percentage of sunny days in Chang'an throughout the year, with December highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Chang'an experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec60%49%55%50%36%25%21%26%29%56%47%66%
Data source: Chang'an December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Chang'an in December

In Chang'an, China, the daylight duration follows a captivating annual rhythm that reflects the changing seasons. As winter settles in, December offers a brief 9 hours of daylight, echoing the shorter days found at the start of the year in January and November. Yet, as the days gradually lengthen from February to June, the city basks in the glow of 15 hours of sunlight at the peak of summer. The transition from the lush days of late spring and early summer back to the crispness of winter showcases a gentle ebb and flow, with daylight tapering from 14 hours in July down to the shorter days of autumn. This rhythmic change invites residents and visitors alike to embrace the beauty and diversity of seasonal light in this historic region.

Average Daylight Hours in Chang'an for December

The chart illustrates the variation in daylight duration in Chang'an throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 23m10h 30m11h 56m13h 24m14h 39m15h 17m14h 58m13h 52m12h 27m11h9h 43m9h 2m
Data source: Chang'an daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Chang'an

As December arrives in Chang'an, the landscape begins to change, with the average wind speed picking up to 3.2 m/s (7 mph), a refreshing shift from the sultry summer months. Throughout the year, wind speeds have seen a gentle decline from May's peak, reaching a low point of 1.8 m/s (4 mph) in September, only to gradually climb as winter approaches. This uptick in December signals the onset of colder weather and crisp air, reminding residents that while the city may be enveloped in the stillness of winter, nature's breath is a constant presence. The patterns reflect a subtle dance of seasons, illustrating how the winds of Chang'an whisper stories of transitions, from the warm embrace of summer to the brisk chill of winter's arrival.

Average December Wind Speed in Chang'an

The chart displays monthly wind speed patterns in Chang'an, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.83.42.72.72.32.12.02.41.82.22.83.2 m/s
Data source: Chang'an December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Chang'an Compares to Other Months

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 both feature frigid temperatures, with December experiencing a minimum of -26°C (-14°F) and an average of -10°C (15°F), while January sees similar minimums but a slightly colder average of -11°C (12°F). In terms of maximum temperatures, December peaks at 5°C (41°F), just slightly warmer than January's maximum of 4°C (39°F). Precipitation is minimal in both months, with December receiving 10 mm (0.4 in) and January 7 mm (0.3 in), both occurring on a single day. Notably, humidity levels rise from 70% in December to 78% in January, contributing to the chilly feel during the winter months. For more detailed information on January weather, you can check out Chang'an weather in January.

December and February both feature frigid temperatures, but they exhibit some notable differences. In December, the minimum temperature can drop to a chilling -26°C (-14°F), with an average of -10°C (15°F) and a maximum of 5°C (41°F). The month is relatively dry, receiving only 10 mm (0.4 in) of precipitation over about 1 day, and maintains a humidity level of around 70%. In contrast, February presents slightly milder conditions, with a minimum temperature of -21°C (-6°F), an average of -8°C (17°F), and a maximum of 9°C (49°F). Precipitation increases to 13 mm (0.5 in) over approximately 3 days, and humidity rises to 75%. For a more detailed look at February weather, you can check Chang'an weather in February.

December and March present stark contrasts in weather conditions. In December, temperatures plummet to a minimum of -26°C (-14°F) and average around -10°C (15°F), with a maximum of only 5°C (41°F). Precipitation is minimal during this month, with only 10 mm (0.4 in) falling over just one day, creating a typically dry winter atmosphere with consistent humidity at 70%.

In contrast, March sees a significant shift, with temperatures ranging from a minimum of -24°C (-12°F) to a comfortable maximum of 23°C (74°F) and an average of 1°C (33°F). Additionally, March experiences more precipitation at 28 mm (1.1 in) over four days, indicating a transition towards spring. Humidity remains steady at 70%, but the increase in temperature and precipitation marks a clear departure from the harsh winter of December. For more specific insights into the weather patterns, you can explore Chang'an weather in March.

December weather is characterized by its bitter cold, with minimum temperatures plummeting to -26°C (-14°F) and an average of -10°C (15°F). In stark contrast, April ushers in more moderate conditions, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 34°C (93°F), providing a significant warmth upgrade. While December sees minimal precipitation of just 10 mm (0.4 in) over one day, April experiences more frequent rain, with 27 mm (1.1 in) spread across six days, contributing to a slightly lower humidity level of 65%. For a deeper insight into April's climate, you can explore more about Chang'an weather in April.

The weather in December is drastically colder compared to May, with temperatures ranging from a chilling minimum of -26°C (-14°F) to a maximum of just 5°C (41°F). The month experiences minimal precipitation, accumulating only 10 mm (0.4 in) over just one day, and humidity levels hover around 70%. In contrast, May sees a significant rise in temperature, with a minimum of 0°C (32°F) and a maximum soaring to 35°C (96°F). Precipitation in May is much higher, totaling 77 mm (3.0 in) and occurring over 12 days, while humidity remains slightly elevated at 72%. For more details on the conditions one can expect in May, visit Chang'an weather in May.

December and June present stark contrasts in weather conditions. In December, temperatures can plummet to a chilling minimum of -26°C (-14°F), with an average of -10°C (15°F) and a maximum of 5°C (41°F). The month is characterized by low precipitation, averaging only 10 mm (0.4 in) over just 1 day, alongside a humidity level of 70%. In sharp contrast, June brings milder conditions, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 34°C (93°F) and an average of 18°C (64°F). This month experiences significantly higher precipitation of 80 mm (3.1 in) over approximately 13 days, and humidity rises to 82%. For more insights into June weather, you can explore Chang'an weather in June.

December and July present stark contrasts in weather conditions. In December, temperatures typically range from a frigid minimum of -26°C (-14°F) to a maximum of just 5°C (41°F), with an average around -10°C (15°F). The month experiences minimal precipitation, averaging only 10 mm (0.4 in) over just one day, and humidity levels hover around 70%. In contrast, July is significantly warmer, with temperatures varying from a mild 11°C (52°F) to a scorching maximum of 35°C (96°F), and an average of 22°C (72°F). Precipitation is considerably higher in July, totaling 101 mm (4.0 in) spread over 11 days, accompanied by higher humidity at 87%. For more information on July weather, check out Chang'an weather in July.

December and August present stark contrasts in weather, showcasing the extremes of the seasons. In December, temperatures plunge dramatically, with lows reaching -26°C (-14°F) and an average temperature of -10°C (15°F), while precipitation is minimal, accumulating just 10 mm (0.4 in) over a single day. The humidity sits at a relatively moderate 70%, which can make the cold feel even more biting. In contrast, August experiences much milder conditions with temperatures ranging from a minimum of 6°C (43°F) to a scorching maximum of 36°C (97°F). This summer month brings significant rainfall, totaling 182 mm (7.2 in) over about 15 days, accompanied by high humidity at 89%. For more insights into August weather, you can refer to Chang'an weather in August.

December weather is characterized by its frigid temperatures, with lows plunging to -26°C (-14°F) and an average of -10°C (15°F), compared to the much milder September, which sees temperatures ranging from a minimum of 1°C (34°F) to a comfortable maximum of 29°C (85°F). While December experiences minimal precipitation, with only 10 mm (0.4 in) over a single day, September is significantly wetter, receiving 78 mm (3.1 in) across nine days. Humidity levels are also higher in September at 84%, compared to December's 70%, underscoring the distinct seasonal differences. For more detailed information on September conditions, you can check Chang'an weather in September.

In comparing the weather between December and October, December presents a much colder scenario with temperatures ranging from a minimum of -26°C (-14°F) to a maximum of 5°C (41°F), along with a markedly lower average temperature of -10°C (15°F). Precipitation is minimal in December, averaging just 10 mm (0.4 in) over the course of a single day, and the humidity level hovers around 70%. In contrast, October experiences a broader temperature range, with minimums of -6°C (22°F) and maximums reaching up to 28°C (83°F), resulting in a much higher average temperature of 8°C (47°F). October also sees more precipitation, totaling 35 mm (1.4 in) over six days, with humidity levels peaking at 83%. For more detailed insights on October weather, you can visit Chang'an weather in October.

December weather is significantly colder than November, with average temperatures dropping from a high of 16°C (62°F) in November to a maximum of only 5°C (41°F) in December. In December, the minimum temperature plunges to -26°C (-14°F), compared to November's milder low of -15°C (5°F). Additionally, December experiences much less precipitation, with only 10 mm (0.4 in) over just one day, while November sees 36 mm (1.4 in) across four days. Despite December's lower humidity at 70%, it still remains slightly higher than November's 67%. For more details on November conditions, check out Chang'an weather in November.

Compare Chang'an's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Chang'an

In December, Chang'an experiences a distinct chill compared to other months, with temperatures plunging significantly and a noticeable drop in warmth. While the weather is typically dry, with only a single day of precipitation, the humidity remains relatively high, adding a biting chill to the cold air. This wintry backdrop, marked by its stark temperature extremes, sets the stage for a serene yet crisp atmosphere, unlike the milder, more temperate months preceding it. For those curious about the year-round climate patterns that shape this region, additional details can be found in Chang'an Climate.