Last updated: August 21, 2025
December in Yancheng, China ushers in a chilly atmosphere, with average temperatures hovering around -9°C (16°F) and peaking at a maximum of 7°C (44°F). The month experiences a stark minimum of -25°C (-13°F), emphasizing its wintry grip. Adding to the month’s dryness, precipitation is minimal at just 4 mm (0.2 in), with no recorded rainy days. This combination of cool temperatures, low precipitation, and a humidity level of 66% creates a crisp, brisk environment typical of December, perfect for winter enthusiasts.
In Yancheng, China, December brings a significant chill, with temperatures diving to a minimum of -25°C (-13°F) and peaking at a modest 7°C (44°F). The average temperature hovers around -9°C (16°F), marking a stark contrast to the milder conditions of the preceding months. As winter settles in, the region experiences a notable drop compared to November's average of -1°C (31°F). This time of year signals the profound shift to freezing days, reminiscent of January's extreme lows, yet slightly warmer than the depths of mid-winter. The cold days are often characterized by crisp air and clear skies, creating a sharp yet beautiful winter landscape, ideal for those who relish the season's tranquil beauty.
In December, Yancheng experiences a notable drop in precipitation, with only 4 mm (0.2 in) recorded and no rainy days throughout the month. This marks a stark contrast to the summer months, where intense rainfall prevails, particularly in July and August with 150 mm (5.9 in) and 135 mm (5.3 in) respectively. The trend shows a gradual decline in precipitation as the year closes, following the peak of 150 mm in July and tapering down to just 18 mm in November. This decline further highlights the overall seasonal pattern, where the winter months are characterized by dry and calmer weather, providing a serene conclusion to the year's climatic cycle.
As the year draws to a close, December in Yancheng, China, reveals a noteworthy increase in humidity, reaching 66%. This marks a slight rise from the previous month, which hovered at 64%. Analyzing the broader trend throughout the year, we observe that humidity levels generally fluctuate, with a notable low in May at 49%. Following this dip, there’s a gradual upward trajectory, culminating in a winter spike that begins in October and continues through December. This seasonal pattern illustrates how moisture levels in Yancheng can create a cooler, damp atmosphere just as the year ends, providing a distinct contrast to the drier summer months.
In December, Yancheng, China experiences a significant dip in the UV Index, which drops to 2, placing it in the low exposure category. This provides a welcome relief from the extreme levels seen in the summer months, where the UV Index often peaks at 11. With a recommended burn time of 45 minutes, December is ideal for outdoor activities without the need for excessive sun protection. This trend of lower UV exposure continues from November's moderate levels, and it marks a stark contrast to the high and very high indices of the spring and summer. As the year winds down, Yancheng offers a more manageable sun experience, making it a great time to enjoy the outdoors safely. For detailed insights on UV levels throughout the year, visit Yancheng UV Index.
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In Yancheng, China, December brings a delightful 270 hours of sunshine, adding a warm glow to the chilly winter days. As the year closes, the sunlight gradually crescendos from a low of 218 hours in January to a peak of 346 hours in July, showcasing the region's vibrant seasonal shift. The sun begins its steady ascent in the spring, with March and April enjoying a wealth of light at 303 and 304 hours, respectively. As we transition into summer, the hours of sunshine reach their zenith, providing a refreshing contrast to the cooler months. Despite December’s shorter daylight hours compared to the summer peak, its sunny disposition stands out among the chilly weather, inviting both locals and travelers to embrace the gentle glow of winter's sunlight.
In Yancheng, China, December marks a significant uptick in sunny weather, boasting an impressive 82% chance of sunshine. This trend showcases a remarkable resilience of clear skies as the year draws to a close, particularly when compared to the preceding months. Following November's substantial 76%, December draws in more sun, echoing the brighter conditions of January's 80%. This pattern highlights a seasonal cycle where the transition to winter does not necessarily mean a retreat from the sun, offering residents and visitors alike a favorable opportunity to bask in sunlit days even in the heart of winter. As the year wraps up, Yancheng presents itself as a cozy haven of cheerful sunlight amidst the chill.
In Yancheng, China, the daylight duration exhibits a compelling seasonal rhythm throughout the year. Starting in December, the sun graces the city with about 9 hours of daylight, mirroring the shorter days of January and November. As the year progresses into February, daylight begins to increase, reaching 10 hours before climbing steadily through March and April, where it peaks at 13 hours. This pattern continues, hitting a high point of 14 hours in both May and June, offering ample opportunity for outdoor exploration. However, as summer fades into autumn, daylight gradually wanes, with hours decreasing down to 11 hours in October and back to 10 hours in November. The rhythm of daylight in Yancheng not only signifies the changing seasons but also marks a natural cycle of growth and rest, inviting residents to embrace each phase of the year.
In Yancheng, the December winds arrive with a gentle sigh, averaging 2.7 m/s (6 mph)—a slight increase from the summer's subdued breezes. Throughout the year, the wind speeds tend to oscillate, reaching their peak in May at 3.9 m/s (9 mph), followed by a steady decline during the sweltering summer months. As the seasons transition into winter, the winds hold steady, reflecting an annual pattern where the energetic gusts of early spring and autumn give way to the calmness of winter. December’s winds, while modest, serve as a subtle reminder of nature’s rhythm and the approaching chill of winter in this eastern coastal city of China.
Weather in Yancheng varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Yancheng, focusing on differences in temperature, rainfall, humidity, and UV levels.
In December, temperatures range from a minimum of -25°C (-13°F) to a maximum of 7°C (44°F), with an average of -9°C (16°F). The month experiences dry conditions with no recorded precipitation and a humidity level of 66%. In contrast, January sees even colder temperatures, dropping to a minimum of -28°C (-18°F) and an average of -10°C (15°F), while the maximum is slightly lower at 6°C (43°F). January also experiences minimal precipitation with only 4 mm (0.2 in) across one day, and humidity decreases to 57%. For more details on January weather, visit Yancheng weather in January.
In comparing the weather of December and February, February tends to be slightly milder overall. December experiences a minimum temperature of -25°C (-13°F) with an average of -9°C (16°F), while February also has a minimum of -25°C (-12°F), but offers a warmer average of -6°C (22°F) and a maximum reaching up to 13°C (56°F). Precipitation levels are also higher in February, with 8 mm (0.3 in) recorded over one day, compared to December's minimal 4 mm (0.2 in) over no days. Additionally, February has a lower humidity level at 56% compared to December's 66%, contributing to a somewhat more comfortable experience. For more details on February weather in Yancheng, check out Yancheng weather in February.
December and March present strikingly different weather conditions. In December, temperatures are notably colder, featuring a minimum of -25°C (-13°F) and an average of -9°C (16°F), while March sees a milder minimum of -14°C (7°F) and an average of 2°C (37°F). The maximum temperature in March can reach up to 21°C (71°F), significantly higher than December's maximum of 7°C (44°F). Additionally, December experiences minimal precipitation with only 4 mm (0.2 in) and no rainy days, whereas March is more humid with 25 mm (1.0 in) of precipitation spread over 5 rainy days. For more information on March conditions, check out Yancheng weather in March.
December presents a stark contrast to April in terms of weather. In December, temperatures plunge significantly, with a minimum of -25°C (-13°F) and an average around -9°C (16°F), while precipitation is minimal at just 4 mm (0.2 in) across 0 days, resulting in a cold and dry atmosphere. In comparison, April sees a much milder climate, with temperatures ranging from a minimum of -7°C (19°F) to a maximum of 25°C (77°F) and an average of 8°C (47°F). The month also experiences increased precipitation at 37 mm (1.5 in) over 6 days, contributing to a slightly more humid environment at 64%. For more details, you can check Yancheng weather in April.
December and May present stark contrasts in weather. In December, temperatures can plummet to a chilling minimum of -25°C (-13°F), with an average temperature hovering around -9°C (16°F) and a maximum of only 7°C (44°F). The month experiences minimal precipitation, totaling just 4 mm (0.2 in) over the course of the month, contributing to a relatively high humidity level of 66%. In contrast, May brings milder conditions, with temperatures ranging from a minimum of -2°C (29°F) to a balmy maximum of 30°C (86°F) and an average of 14°C (58°F). This month sees significantly more precipitation, totaling 40 mm (1.6 in) over 5 days, accompanied by a lower humidity level of 49%. For more details, check Yancheng weather in May.
When comparing the weather in December and June, the differences are striking. December experiences frigid temperatures, with a minimum of -25°C (-13°F) and an average of only -9°C (16°F), while June boasts much milder conditions, starting at a minimum of 6°C (43°F) and averaging 19°C (66°F). While December sees very little precipitation at just 4 mm (0.2 in) over the month, June is quite wet, receiving 63 mm (2.5 in) of rain over 8 days. Additionally, humidity levels are slightly higher in December at 66%, compared to June's 57%. For more details on June’s climate, visit Yancheng weather in June.
December and July present starkly contrasting weather conditions. In December, temperatures can plummet to a minimum of -25°C (-13°F), with an average around -9°C (16°F) and a maximum reaching only 7°C (44°F). This month experiences minimal precipitation, averaging only 4 mm (0.2 in) across zero rainy days, and a humidity level of 66% which adds a chill to the air. In contrast, July boasts warm temperatures, with a minimum of 9°C (49°F) and an average of 20°C (69°F), soaring to a maximum of 31°C (89°F). This month is characterized by significantly higher rainfall, totaling 150 mm (5.9 in) across 14 days, and a lower humidity of 58%. For a more detailed insight into July weather, you can visit Yancheng weather in July.
December and August present stark contrasts in climate. In December, temperatures plummet, with averages hovering around -9°C (16°F) and lows sinking to -25°C (-13°F), creating a frigid atmosphere. Precipitation is minimal during this month, recorded at just 4 mm (0.2 in), contributing to its dry and cold feel. Conversely, August experiences a warm and humid climate, with average temperatures reaching 19°C (66°F) and highs soaring up to 30°C (86°F). It also sees significant rainfall, totaling 135 mm (5.3 in) over approximately 13 days, resulting in a much more humid environment. For more details, you can check out Yancheng weather in August.
In December, the weather is significantly colder compared to September, with average temperatures hovering around -9°C (16°F) and reaching a maximum of only 7°C (44°F). This month experiences almost no precipitation, with only 4 mm recorded over its entirety and a relative humidity of 66%. On the other hand, September boasts much milder temperatures, ranging from a minimum of 2°C (35°F) to a warm average of 14°C (58°F), with peak temperatures reaching 28°C (82°F). With 60 mm of precipitation over 9 days and a lower humidity of 57%, September presents a stark contrast to the biting chill of December. For more detailed insights into September's weather, you can refer to Yancheng weather in September.
In December, the weather takes a sharp turn into winter, with temperatures ranging from a chilly -25°C (-13°F) at night to a mild 7°C (44°F) during the day. The month sees minimal precipitation, with only 4 mm (0.2 in) recorded and no rainy days, while the humidity is relatively stable at 66%. In contrast, October presents a much warmer climate, featuring temperatures that vary from a brisk -6°C (21°F) to a pleasant 25°C (77°F) and an average of 6°C (44°F). October is also much wetter, with 57 mm (2.3 in) of rainfall over 7 days and a slightly higher humidity level of 67%. For more insights into what October weather looks like, you can check Yancheng weather in October.
In December, the weather experiences a notable drop in temperature compared to November, with minimums plunging to -25°C (-13°F) and an average of -9°C (16°F), while November sees milder temperatures, ranging from a minimum of -17°C (1°F) to an average of -1°C (31°F). Despite December's chill, it is characterized by minimal precipitation, recording only 4 mm (0.2 in) over zero days, whereas November is comparatively wetter with 18 mm (0.7 in) spread across three days. Additionally, humidity remains relatively stable, at 66% in December compared to 64% in November, highlighting the persistent cold yet dry conditions as the year comes to a close. For further insights, you can check Yancheng weather in November.
In December, Yancheng experiences a significant drop in temperatures, transitioning into the chill of winter with much colder conditions compared to the milder months preceding it. With maximums barely reaching 7°C and minimums plunging to -25°C, this month stands out for its biting cold, making it a stark contrast to the more temperate seasons. Precipitation is virtually non-existent, with no rainy days recorded, allowing for crisp and clear winter air, albeit with humidity lingering at 66%. As you prepare for a winter in Yancheng, understanding the unique characteristics of December weather is crucial. For more detailed insights on seasons throughout the year, explore Yancheng Climate.