Last updated: August 21, 2025
In Dandong, China, December brings a notable chill, with temperatures averaging around -5°C (23°F) and ranging from a maximum of 7°C (45°F) to a frigid minimum of -20°C (-5°F). Visitors can expect moderate precipitation, totaling 12 mm (0.5 in) over three days, adding a touch of wintery charm to the landscape. With humidity levels at 58%, the air often feels crisp and refreshing, making it an ideal time for those who appreciate the beauty of a serene, frost-kissed atmosphere. Experience December in Dandong, where the cold creates a unique setting to explore this vibrant city.
In December, Dandong, China, experiences a noticeable chill as temperatures descend into winter's grasp. The minimum temperature drops to a brisk -20°C (-5°F), while the average temperature hovers around a frigid -5°C (23°F), signaling the peak of the cold season. However, the city's weather offers a slight reprieve with a maximum of 7°C (45°F), showcasing some resilience against the winter frost. This trend of declining temperatures from the milder months of autumn culminates in a landscape marked by frost and, occasionally, gentle snowfall, creating a serene but crisp atmosphere. Visitors should be prepared for the biting cold, as Dandong's December invites them to embrace the beauty of winter while layered up against the chill.
December in Dandong, China, sees a notable shift as precipitation levels drop significantly to 12 mm (0.5 in), accompanied by a modest 3 days of rainfall. This decline marks a contrast to the much wetter months of summer and early fall, where precipitation peaked in August at an impressive 272 mm (10.7 in). As the year draws to a close, the drier December serves as a gentle reminder of the transition into the colder winter months. While the rainfall is sparse compared to the peak summer days, it continues to provide essential moisture for the local environment, maintaining a delicate balance as the region moves into its coldest season.
In Dandong, China, the humidity experiences a noticeable transition throughout the year, with December marking a return to a more moderate level at 58%. After peaking in the sultry summer months of July and August, where humidity levels soar to an impressive 85% and 86% respectively, the rest of the year showcases fluctuating numbers. The dryest period occurs in the winter months, with January and February recording even lower figures at 58% and 52%. As the seasons shift from the warmth of summer into the chill of winter, there’s a gradual decline from the steamy heights of late spring and summer, leading back to the cooler, drier air that December brings. This cyclical nature not only characterizes the climate of Dandong but also highlights a seasonal rhythm that resonates with its inhabitants.
As the year winds down, December in Dandong, China brings a welcome reprieve from the intense UV exposure of the summer months. With a UV Index of 2, classified as low, residents and visitors can enjoy outdoor activities with minimal risk of sunburn, needing approximately 45 minutes of unprotected sun exposure before any harm occurs. This contrasts sharply with the peak summer months, where the UV Index soared to 10, and burn times plummeted to just 15 minutes. The decreasing trend in UV levels through the fall culminates in December's calmer exposure, making it an ideal time for outdoor enjoyment with less concern for sun safety. To stay updated on UV conditions, check out the comprehensive data at Dandong UV Index.
UV Risk Categories
In Dandong, China, December experiences a delightful 238 hours of sunshine, rounding off a year characterized by a gradual increase in daylight. As the winter months approach, the sun begins to rise earlier and linger longer, following a pattern that peaks in the summer with July's impressive 307 hours. The transition from the vibrant days of May—boasting 305 hours—draws into a slower, yet still pleasant December, which maintains a respectable amount of sunlight compared to the earlier winter months. This trend signifies not only the end of the year but also a gentle reminder that even in the depths of winter, Dandong remains bathed in shimmering rays, capturing the essence of December sunshine amidst the crisp air.
In Dandong, China, December ushers in a notable shift in sunny weather likelihood, boasting a promising forecast with a 73% chance of sunshine. This marks a significant increase compared to the preceding months, particularly in contrast to the notably lower probabilities of sunshine seen during the summer months, where June, July, and August dwell around 33% to 38%. As the year winds down, the gradual rise from November's 58% suggests a trend toward clearer skies and brighter days, perfectly complementing the crisp winter air. The transition into December not only brings the joyful ambiance of the holiday season but also offers ample opportunities to enjoy Dandong's picturesque landscapes under the sun.
As December arrives in Dandong, China, daylight duration reaches a low of 9 hours, echoing the patterns observed throughout the winter months. Following a gradual increase from January to March, where daylight stretches from 9 to 11 hours, the spring months bring longer, sunnier days, peaking at 14 hours in May and June. The summer months maintain this generous daylight until August, when it gradually recedes. By September, daylight begins its autumn decline, with hours reducing until December settles back to its winter norm. This cyclical rhythm of daylight encapsulates the shifting seasons, showcasing Dandong's transition from bright, extended days to the cozy, shorter periods of winter.
In December, Dandong experiences a refreshing average wind speed of 3.0 m/s (7 mph), marking a brief spike in activity as winter settles in. This month stands out as one of the windier periods, aligning with the overall trend of increasing speeds leading into the cooler months. From October's 3.0 m/s, the winds maintain this brisk pace through November and December, providing a stark contrast to the gentle breezes felt during the summer months. As temperatures drop, the invigorating gusts of December herald the arrival of winter, invigorating the seaside city with a dynamic atmosphere.
Weather in Dandong varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Dandong, focusing on differences in temperature, rainfall, humidity, and UV levels.
December typically presents a milder climate compared to January, with average temperatures ranging from a minimum of -20°C (-5°F) to a maximum of 7°C (45°F). In contrast, January experiences slightly colder temperatures, with a minimum of -23°C (-9°F) and an average of -7°C (19°F). Precipitation is also reduced in January, totaling only 7 mm (0.3 in) over just one day, compared to December's 12 mm (0.5 in) spread across three days. Despite the chill in both months, humidity remains consistent at 58%. For more detailed insights, you can check Dandong weather in January.
December and February both experience chilly temperatures, but February tends to be slightly warmer overall. In December, the average temperature hovers around -5°C (23°F), with a maximum of 7°C (45°F) and a minimum of -20°C (-5°F). In contrast, February's average temperature is a bit milder at -4°C (25°F), reaching a maximum of 13°C (55°F) while maintaining the same minimum of -20°C (-3°F). Additionally, February sees increased precipitation at 19 mm (0.8 in) over three days compared to December's 12 mm (0.5 in). Both months boast relatively low humidity, with December at 58% and February slightly lower at 52%. For more details about February weather in Dandong, you can visit Dandong weather in February.
In December, the weather is significantly colder, with average temperatures ranging from a chilling -20°C (-5°F) to a maximum of just 7°C (45°F). The month experiences limited precipitation, totaling 12 mm (0.5 in) over an average of 3 days, with humidity levels at 58%. In contrast, March brings a noticeable warming trend, with average temperatures reaching from -10°C (14°F) to a comfortable 20°C (68°F). Although it is slightly wetter, with precipitation at 19 mm (0.7 in) over 4 days, humidity levels decrease to 53%. For a closer look at the weather in March, check out Dandong weather in March.
In December, the weather is notably colder, with temperatures ranging from a minimum of -20°C (-5°F) to a maximum of 7°C (45°F), and an average temperature of -5°C (23°F). The month sees relatively low precipitation, with only 12 mm (0.5 in) falling over approximately three days, and humidity levels around 58%. In contrast, April brings a significant warming trend, with temperatures ranging from a minimum of -3°C (26°F) to a maximum of 24°C (75°F) and an average of 10°C (51°F). Precipitation increases to 47 mm (1.8 in) over five days, and humidity rises slightly to 59%. For more details on what to expect, check out Dandong weather in April.
December and May present stark contrasts in weather conditions. In December, temperatures plummet, with a minimum of -20°C (-5°F) and an average hovering around -5°C (23°F), while maximum values reach only 7°C (45°F). The month sees minimal precipitation, with only 12 mm (0.5 in) and a humidity level of 58%, creating crisp, cold air. In contrast, May brings a significant warming trend, with temperatures ranging from a minimum of 1°C (34°F) to a pleasant average of 16°C (61°F), peaking at a maximum of 28°C (83°F). Rainfall increases significantly to 91 mm (3.6 in) spread over 10 days, accompanied by higher humidity at 70%. For a detailed look at the weather patterns in May, visit Dandong weather in May.
December and June present stark contrasts in weather. In December, temperatures are frigid, with highs averaging only around 7°C (45°F) and lows dropping to a chilling -20°C (-5°F). Precipitation is minimal, occurring on just three days and totaling 12 mm (0.5 in), along with a moderate humidity of 58%. In sharp contrast, June features a warm climate, where average temperatures soar to 21°C (69°F), with maximums reaching as high as 31°C (88°F). Rain is more frequent, falling on nine days and amassing a total of 100 mm (3.9 in) of precipitation, accompanied by a higher humidity of 79%. For more details, check out Dandong weather in June.
December and July present strikingly contrasting weather conditions. In December, temperatures can plummet to a minimum of -20°C (-5°F), with an average of -5°C (23°F) and a maximum of 7°C (45°F). The month sees minimal precipitation, averaging just 12 mm (0.5 in) over three days, and a relatively low humidity of 58%. In stark contrast, July boasts a warm range with minimum temperatures around 15°C (60°F), an average of 25°C (77°F), and highs reaching up to 36°C (96°F). This summer month experiences significant rainfall, totaling 114 mm (4.5 in) over 13 days, accompanied by high humidity levels at 85%. For a detailed look at July's climate, check out Dandong weather in July.
December and August present starkly contrasting weather conditions. In December, temperatures can plunge to a minimum of -20°C (-5°F), with average highs only reaching up to 7°C (45°F). This month also experiences low precipitation levels of 12 mm (0.5 in) over just three days, leading to a relatively dry atmosphere with 58% humidity. Conversely, August boasts a much milder climate, with temperatures ranging from a minimum of 11°C (52°F) to a scorching maximum of 38°C (100°F). The month is characterized by significantly higher precipitation, totaling 272 mm (10.7 in) over 17 days, and a humidity level of 86%. For more details on August weather, you can check out Dandong weather in August.
In December, the weather takes a significant turn towards winter, with temperatures ranging from a chilling -20°C (-5°F) to a maximum of 7°C (45°F) and an average of -5°C (23°F). The month is relatively dry, with only 12 mm (0.5 in) of precipitation falling over three days, while the humidity hovers at 58%. In contrast, September presents a much warmer and more humid environment, featuring temperatures that range from a mild 3°C (38°F) at night to a sweltering 31°C (88°F) during the day, with an average of 19°C (67°F). This month also sees significantly more rainfall, with 87 mm (3.4 in) spread over seven days, along with higher humidity levels at 75%. For more details on the September weather, you can visit Dandong weather in September.
In December, temperatures drop significantly, with averages around -5°C (23°F) and maximums just reaching 7°C (45°F), presenting a stark contrast to October's milder conditions. October experiences more warmth with average temperatures at 11°C (53°F) and highs climbing to 29°C (84°F). Additionally, December has much lower precipitation levels at 12 mm (0.5 in) over 3 days, compared to October's 59 mm (2.3 in) over 7 days. The humidity also differs notably, with December at 58% versus October's higher humidity of 80%. For a closer look at October's weather specifics, you can visit Dandong weather in October.
In December, the weather takes a notable turn towards the colder side compared to November. With minimum temperatures dropping to a chilling -20°C (-5°F) and an average of -5°C (23°F), December experiences much harsher conditions than November's milder range, which sees lows of -11°C (13°F) and averages around 3°C (38°F). While precipitation decreases significantly to only 12 mm (0.5 in) over just 3 days in December, November is much wetter, accumulating 61 mm (2.4 in) of rainfall across 6 days. Additionally, humidity levels in December are slightly lower at 58%, compared to the higher 70% observed in November, making December feel even chillier. For more details on November's weather, visit Dandong weather in November.
In December, Dandong experiences a notable shift in weather, characterized by chillier temperatures compared to the milder months that precede it. With average lows plummeting to around -5°C (23°F) and maximums hovering around 7°C (45°F), this month sets the stage for a true winter atmosphere. While the likelihood of precipitation is relatively low, occurring on just a few days, the average humidity adds a crisp bite to the air. This colder climate marks a departure from the more temperate conditions of earlier seasons, giving residents and visitors a distinct winter experience. For a more in-depth look at Dandong's weather patterns, visit Dandong Climate.