Last updated: August 21, 2025
In December, Nantong experiences a cool and often humid climate, with average temperatures around 7°C (45°F). Daytime highs can reach a pleasant 19°C (67°F), while nighttime lows can drop to a chilly -6°C (21°F). With a total precipitation of 42 mm (1.6 in) over approximately 7 days, light rain is a distinctive feature of this month, contributing to an average humidity level of 77%. This blend of crisp air and moisture creates a refreshing atmosphere, making December a unique time to experience Nantong's winter charm.
As December arrives in Nantong, the temperatures start to dip, marking a notable shift towards winter. The month begins with a minimum temperature of -6°C (21°F), which is indicative of the colder days ahead, while the average temperature settles around 7°C (45°F). Despite the chill, daytime brings a respite with maximums reaching 19°C (67°F), inviting occasional outdoor activities amid the crisp air. This transition from November’s milder climate, where temperatures peaked at 27°C (80°F), showcases a clear downward trend as the region prepares for the winter months. Overall, December offers a unique blend of chilly nights and cool, mild days, making it a distinct time to experience Nantong’s seasonal charm.
In December, Nantong experiences a notable drop in precipitation, with 42 mm (1.6 in) of rain falling over approximately 7 days. This decrease marks a shift from the wetter months just prior, especially after a peak in July and August where rainfall was significantly higher, at 241 mm (9.5 in) and 173 mm (6.8 in), respectively. As the year concludes, the transition to drier conditions becomes apparent, with December's totals reflecting the overall trend of diminishing rainfall leading into the winter months. This pattern highlights Nantong's climate variability, showcasing a gradual reduction in precipitation as the region prepares for the colder season ahead.
As December arrives in Nantong, China, the humidity begins to dip slightly to 77%, providing a mild reprieve from the peak levels of the summer months. Over the course of the year, humidity steadily increases from 70% in January, reaching a significant high of 93% in July. The latter half of the year showcases a gradual decline with August's 91% and September's 81%, before stabilizing into the cooler months. By December, while still relatively humid, the air refreshingly shifts from the oppressive summer conditions, signaling a transition into the heart of winter. This trend not only marks a change in weather patterns but also offers a moment to enjoy the crisp air before the humidity begins to rise again come spring.
As December arrives in Nantong, China, the UV Index drops to 4, placing it in the moderate exposure category. This is a welcome reprieve compared to the very high and extreme levels experienced over the summer months, where UV indices soared to 11. With a burn time of 30 minutes, December encourages residents and visitors to enjoy outdoor activities while still practicing sun safety. The trend shows a significant decline in UV radiation as the year closes, allowing for more comfortable exposure to sunlight. For detailed UV Index trends throughout the year, visit Nantong UV Index.
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In December, Nantong, China, experiences a gentle decline in sunshine hours, boasting 217 hours of sunlight. This gradual tapering follows the vibrant peak of August, which enjoys a remarkable 305 hours. As the year progresses from the sun-soaked summer months, the sunlight in early winter shows a consistent downtrend from November's 222 hours, suggesting a transition into the quieter months. However, despite the reduction, December still offers a generous amount of sunshine, perfectly complementing the festive atmosphere of the season. This trend highlights the region's ability to balance between seasonal brightness and the cozy charm of winter, making it a delightful time to appreciate both the sun and the holiday spirit.
In Nantong, China, the likelihood of sunny weather shows a significant trend as the year comes to a close. December stands out with a promising 64% chance of sunshine, marking a peak compared to the preceding months. This increase is notable as the sun's presence wanes during the summer, where the chances drop to as low as 20% in July. Following a gradual rise through autumn, culminating in November's 60%, December offers residents and visitors alike a delightful opportunity to enjoy clearer skies. This seasonal shift not only brightens the holiday spirit but also makes December a time of optimism for outdoor activities in Nantong.
In Nantong, China, the daylight duration experiences a distinctive rhythm throughout the year, culminating in December with 10 hours of daylight. As the seasons transition from the bright 14 hours of sunlight in June, the days gradually shorten, reflecting the encroaching winter. Notably, both November and December maintain the same duration of 10 hours, marking a consistent return to earlier winter patterns. This trend reveals a gradual decrease from the longer days of summer and highlights Nantong's subtropical climate, where daylight ebbs and flows dramatically, inviting the cozy embrace of winter as the year draws to a close.
As December sweeps into Nantong, the winds begin to whisper tales of the transitioning seasons. With an average wind speed of just 2.9 m/s (7 mph), December marks the calm before the winter chill truly settles in, showcasing a noticeable drop from the brisk gusts of summer. The city experiences its least windy month since July, when the winds howled at 4.3 m/s (10 mph). This prevailing tranquility contrasts with the lively breezes earlier in the year, particularly from July through September, when the winds frequently approached the 4.0 m/s mark. As the year winds down, Nantong’s gentle December winds invite a sense of stillness, allowing residents to reflect, reconnect, and embrace the serene beauty that the cooler season brings.
Weather in Nantong varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Nantong, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January both bring cool temperatures, but January tends to be slightly colder overall. In December, temperatures range from a minimum of -6°C (21°F) to a maximum of 19°C (67°F), with an average of 7°C (45°F). January, on the other hand, sees slightly lower temperatures with a minimum of -8°C (17°F) and an average of 5°C (41°F), while the maximum reaches 18°C (65°F). Precipitation increases slightly in January to 48 mm (1.9 in) compared to December's 42 mm (1.6 in), although both months experience rain on about 7 days. Humidity is higher in December at 77%, dropping to 70% in January. For a more detailed look at January's weather patterns, check Nantong weather in January.
In December, temperatures typically range from a chilly minimum of -6°C (21°F) to a mild maximum of 19°C (67°F), with an average of around 7°C (45°F). The month sees about 42 mm (1.6 in) of precipitation over an average of 7 days, accompanied by relatively high humidity at 77%. In contrast, February experiences slightly warmer conditions, with temperatures ranging from -4°C (26°F) to a highs of 23°C (73°F), averaging 6°C (43°F). However, it also witnesses increased precipitation, totaling 52 mm (2.1 in) spread over 9 days, and humidity dips slightly to 73%. For more detailed and specific weather conditions, check out Nantong weather in February.
December and March present contrasting weather patterns, with December experiencing colder temperatures ranging from a minimum of -6°C (21°F) to an average of 7°C (45°F), peaking at 19°C (67°F). It also has a lower rainfall total of 42 mm (1.6 in) across 7 days and a humidity level of 77%. In comparison, March sees a noticeable warming trend, with temperatures ranging from a minimum of 1°C (35°F) to an average of 11°C (52°F) and highs reaching 26°C (79°F). Additionally, March experiences more precipitation at 61 mm (2.4 in) over 10 days, accompanied by a slight increase in humidity to 81%. For more detailed insights, check out Nantong weather in March.
December and April exhibit contrasting weather patterns that highlight the transition from winter to spring. In December, temperatures range from a minimum of -6°C (21°F) to a maximum of 19°C (67°F), with an average of 7°C (45°F). The month sees approximately 42 mm (1.6 in) of precipitation over about 7 days, accompanied by a humidity level of 77%. In stark contrast, April experiences milder temperatures with a minimum of 6°C (42°F), an average of 16°C (60°F), and a maximum reaching 30°C (85°F). Precipitation increases to 71 mm (2.8 in), occurring over 8 days, and humidity also rises to 87%. For a detailed look at the specific conditions in April, visit Nantong weather in April.
December and May present strikingly different climates. In December, temperatures can dip as low as -6°C (21°F) at night, with an average of 7°C (45°F) and daytime highs reaching 19°C (67°F). Precipitation is relatively low at 42 mm (1.6 in), occurring on about 7 days, accompanied by a humidity level of 77%. In contrast, May boasts milder temperatures, with a minimum of 11°C (53°F) and an average high of 21°C (70°F), soaring to a maximum of 35°C (96°F). However, it is also wetter, with precipitation of 110 mm (4.3 in) over 9 days, and humidity climbs to 87%. For more details, check out Nantong weather in May.
December and June present starkly contrasting weather patterns. In December, temperatures range from a chilly minimum of -6°C (21°F) to a comfortable maximum of 19°C (67°F), with an average of 7°C (45°F). This month experiences moderate precipitation of 42 mm (1.6 in) over about 7 days, and humidity hovers around 77%. In contrast, June offers a much warmer climate, with temperatures swinging from a minimum of 17°C (62°F) to a scorching maximum of 36°C (98°F), averaging at 25°C (77°F). Rainfall increases significantly to 133 mm (5.2 in) across 11 days, paired with higher humidity levels at 89%. For more details, you can check Nantong weather in June.
In December, the weather presents a stark contrast to that of July. While December sees a minimum temperature of -6°C (21°F) and an average of 7°C (45°F), July boasts much warmer conditions, with minimum temperatures around 19°C (67°F) and an average of 28°C (83°F). December experiences relatively low precipitation levels of 42 mm (1.6 in) over approximately 7 days, whereas July receives a hefty 241 mm (9.5 in) across 17 days. Additionally, the humidity in December hovers around 77%, while in July, it rises significantly to 93%, creating a distinctly sultry atmosphere. For more detailed information, you can check out Nantong weather in July.
In December, the weather tends to be much cooler, with temperatures ranging from a low of -6°C (21°F) to a high of 19°C (67°F), coupled with an average of 7°C (45°F). While December experiences only 42 mm (1.6 in) of precipitation over about 7 days, the humidity sits at a relatively comfortable 77%. In stark contrast, August brings sweltering heat, with temperatures reaching a minimum of 21°C (71°F) and peaking at a scorching 38°C (100°F), averaging 29°C (84°F). Precipitation in August is significantly higher, totaling 173 mm (6.8 in) over approximately 15 days, and the humidity rises to a steamy 91%. For a detailed look at August weather, visit Nantong weather in August.
December weather contrasts significantly with that of September. In December, temperatures drop, featuring a minimum of -6°C (21°F), averaging at 7°C (45°F), and peaking at a mild 19°C (67°F). Conversely, September basks in much warmer conditions with a minimum of 17°C (62°F), an average of 25°C (77°F), and highs reaching 34°C (94°F). Precipitation also varies greatly, with December receiving 42 mm (1.6 in) of rain over fewer days (7 days) compared to September's 145 mm (5.7 in) over 11 days. Humidity remains relatively stable, at 77% in December and 81% in September, but the overall experience of these months is markedly different. For more detailed insights, check Nantong weather in September.
In comparing the weather between December and October, we see a significant shift in temperatures and conditions. December brings colder temperatures with a minimum of -6°C (21°F), an average of 7°C (45°F), and a maximum of 19°C (67°F). In contrast, October is much milder, with a minimum of 10°C (50°F), an average of 19°C (66°F), and a peak temperature reaching 32°C (89°F). Precipitation levels are relatively close, with December recording 42 mm (1.6 in) over 7 days, while October sees slightly higher precipitation at 51 mm (2.0 in) over 6 days. Humidity levels are also comparable, with December at 77% and October at 80%. For more details on October’s weather, you can visit Nantong weather in October.
In December, temperatures drop significantly, with a minimum of -6°C (21°F) and an average of 7°C (45°F), showcasing a stark contrast to November's milder weather where temperatures range from a minimum of 2°C (36°F) to an average of 14°C (57°F). While December experiences a maximum of 19°C (67°F), November can peak at a warm 27°C (80°F). Precipitation is slightly lower in December at 42 mm (1.6 in) over 7 days, compared to November's 49 mm (1.9 in) over 6 days. Additionally, humidity levels are somewhat lower in December at 77%, compared to November's 82%. For more details on November weather, you can visit Nantong weather in November.
As December rolls into Nantong, the weather takes a noticeable turn, characterized by cooler temperatures and increased humidity. Unlike the milder months that precede it, December sees maximum temperatures averaging around 19°C (67°F) and chilling down to minimums near -6°C (21°F), signaling the arrival of winter. With an average of 42 mm (1.6 in) of precipitation over about seven days, this month is slightly wetter, yet still more temperate compared to the frigid January. The high humidity of 77% adds a bite to the air, making it feel cooler than the actual temperatures. For a comprehensive understanding of how December fits into the year's climate trends, visit Nantong Climate.