December Weather in Nantong, China

Last updated: August 21, 2025

In Nantong, China, the weather in December showcases a mild climate characterized by a maximum temperature of 29°C (85°F), an average of 13°C (56°F), and a minimum temperature dropping to 3°C (37°F). With 32 mm (1.3 in) of precipitation spread over about 6 days, residents can expect occasional rain, contributing to the city's distinctive 79% humidity. This blend of temperatures and moisture creates a unique atmosphere, perfect for exploring the vibrant culture and scenic landscapes of Nantong during the winter season.

December Temperature in Nantong

As December unfolds in Nantong, China, the temperatures begin to reflect the transition towards winter, with a noticeable dip compared to the milder months that precede it. The minimum temperature hovers around 3°C (37°F), while the average settles at a comfortable 13°C (56°F), making it relatively cool yet manageable for outdoor activities. Despite the chill, daytime highs can still reach up to 29°C (85°F), providing a pleasant contrast to the crisp nights. This month's climate marks a shift from the mild conditions of November, where temperatures ranged from 7°C (45°F) to a maximum of 32°C (91°F), creating a seasonal ambiance that invites warm clothing and cozy gatherings as the year draws to a close.

December Weather in Nantong: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Nantong, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nantong, 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).
JanFebMarAprMayJunJulAugSepOctNovDec535360667379848380726456
Data source: Temperature data for Nantong 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 Nantong

December in Nantong, China, marks the end of the year with a significant drop in precipitation, recording just 32 mm (1.3 in) over 6 rainy days. This decrease follows a pattern of fluctuating rainfall throughout the year, which peaks during the summer months of May and June, where monthly totals soar above 200 mm. As the seasons transition into the cooler winter, the overall moisture diminishes considerably, reflecting a shift from the heavy rains of earlier months. This trend highlights Nantong’s distinct seasonal variations, with December serving as a quieter, more subdued month amid the humid summer's deluge.

December Precipitation Trends in Nantong

The chart displays monthly precipitation patterns in Nantong, 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 Nantong, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec427714211221130112928097596932
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Nantong

In Nantong, China, December sees an average humidity of 79%, a slight decrease from the heavier, more oppressive months preceding it. The humidity showcases an upward trend from January through May, peaking at 85% in May, before tapering off slightly during the summer months of June to August. As the year winds down, September begins to bring relief with lower humidity levels at 70%, which progressively rises again in the fall months before settling at December's comfortable 79%. Overall, this rhythm reflects Nantong’s humid subtropical climate, where moisture levels fluctuate but consistently provide a balmy atmosphere throughout the year.

December Average Humidity in Nantong

This chart illustrates the average monthly humidity levels in Nantong, 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 Nantong is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec73%73%80%81%85%81%84%83%70%73%77%79%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Nantong

In December, Nantong experiences a slight reprieve from the blistering UV levels seen in the preceding months, with the UV Index dropping to 6, categorized as high. This decrease allows for a more generous burn time of 25 minutes, double that of the extreme summer months. This trend signifies a transition from the peak UV intensity observed from April to August, where indices reached as high as 13 and burn times plummeted to just 10 minutes. As the year winds down, the sun's rays still warrant attention, but outdoor enthusiasts can enjoy more sun exposure in safety. For detailed information about UV conditions throughout the year, visit Nantong UV Index.

Maximum UV Index Levels in Nantong for December

The chart shows the monthly maximum UV Index (UVI) for Nantong 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 Nantong typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec7911121213131311986
Data source: Nantong 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 Nantong

In Nantong, China, the month of December offers a delightful reprieve with approximately 212 hours of sunshine, gently closing the year on a bright note. As we look back, the trend shows a gradual build-up of sunlight hours, peaking in the sun-kissed month of July with 309 hours, before tapering off into the cooler months. From January's modest 176 hours, the progression is marked by a steady increase, reaching its highest in late spring and early summer. The seasonal shift reveals that while December experiences a slight decline, it still encapsulates the essence of warmth as the city embraces the cooler winter months, striking a balance between the fading sunlight and the coziness of the season.

Monthly Sunshine Duration in Nantong: December Highlighted

The December sunshine duration represents the total number of hours Nantong 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.
JanFebMarAprMayJunJulAugSepOctNovDec176h215h243h252h273h224h309h293h278h249h217h212h
Data source: Nantong December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nantong During December

In Nantong, China, December offers a reasonable 35% chance of sunny weather, reflecting a slight increase compared to the preceding months. As the year draws to a close, the likelihood of clear skies shows a recovery from the low points experienced in mid-summer, where the sun only peeks out about 5% of the time in June. Interestingly, the transition from fall to winter sees fluctuations, with November presenting a 31% chance of sun, slightly paving the way for December's more hopeful forecast. Although sunlit days in December are not guaranteed, the modest likelihood suggests that there's still a chance to enjoy some bright moments during the winter season.

Percentage of Sunny Days in December in Nantong

The chart illustrates the percentage of sunny days in Nantong 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 Nantong experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%41%32%25%12%5%23%17%45%25%31%36%
Data source: Nantong December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nantong in December

As December rolls into Nantong, China, the daylight duration settles at 10 hours, mirroring the shorter days of January and November. This winter month witnesses a notable decline from the longer hours of summer, peaking at 13 hours in both June and July. The trend of gradually increasing daylight begins in February, as the city inches towards spring, hitting a comfortable 12 hours by March and April. As the seasons shift, Nantong experiences a consistent ebb and flow of daylight, with winter bringing a reflective period of shorter days, while the vibrant summer months bask in the sun’s extended embrace.

Average Daylight Hours in Nantong for December

The chart illustrates the variation in daylight duration in Nantong throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 42m11h 16m12h12h 46m13h 24m13h 43m13h 33m13h12h 16m11h 31m10h 52m10h 32m
Data source: Nantong daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Nantong

As December settles in Nantong, China, the average wind speed picks up to 2.1 m/s (5 mph), aligning with the breezy conditions of both January and July. This subtle uptick in wind speed signifies a shift from the calmer summer months, where winds were generally lighter, averaging around 1.6 to 1.9 m/s from June to November. Interestingly, while December echoes the winds of early winter, it showcases a trend of gently rising breezes that enhance the chilling atmosphere, encapsulating the transition into the colder season. The month stands out with its refreshing gusts, contrasting the more subdued air of the preceding months and setting the stage for a crisp, invigorating end to the year.

Average December Wind Speed in Nantong

The chart displays monthly wind speed patterns in Nantong, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.11.91.72.01.61.62.11.81.62.61.92.1 m/s
Data source: Nantong December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Nantong Compares to Other Months

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.

In December, the weather in Nantong typically features mild temperatures, with a minimum of 3°C (37°F) and an average of 13°C (56°F), peaking at 29°C (85°F). December also sees about 32 mm (1.3 in) of precipitation over roughly 6 days, and humidity levels average around 79%. In contrast, January experiences slightly cooler conditions, with a minimum temperature of -1°C (30°F) and an average of 12°C (53°F). The maximum temperature can reach 30°C (87°F), while precipitation increases to 42 mm (1.7 in) across 5 days, but humidity drops to an average of 73%. For more details, you can check Nantong weather in January.

December and February exhibit notable differences in weather patterns. December typically sees a mild range of temperatures, with a minimum of 3°C (37°F) and an average of 13°C (56°F), peaking at 29°C (85°F). In contrast, February experiences cooler temperatures, reaching a minimum of -1°C (30°F) while maintaining an average of 12°C (53°F), and slightly higher maximums at 30°C (86°F). Precipitation is more pronounced in February, totaling 77 mm (3.0 in) across 9 days, compared to December's 32 mm (1.3 in) over 6 days. Humidity levels are also slightly lower in February at 73%, compared to December's 79%. For more detailed insights into February weather, you can check out Nantong weather in February.

In December, the weather is generally mild with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (85°F), and an average of about 13°C (56°F). The month experiences relatively low precipitation, totaling 32 mm (1.3 in) over 6 days, and humidity levels hover around 79%. In contrast, March brings slightly warmer temperatures, with an average of 15°C (60°F) and a maximum that reaches up to 32°C (90°F). However, this month sees a significant increase in rainfall, totaling 142 mm (5.6 in) across 16 days, and maintains a humidity level of 80%. For more detailed information, you can check Nantong weather in March.

In comparing the weather of December and April, we see notable contrasts. December typically experiences a milder temperature range, with a minimum of 3°C (37°F) and a maximum of 29°C (85°F), while the average rises to 13°C (56°F). In contrast, April's temperatures are noticeably warmer, with a minimum of 6°C (43°F) and a peak of 33°C (91°F), averaging 19°C (66°F). Precipitation is also significantly higher in April, with 112 mm (4.4 in) of rain over 13 days, compared to December's 32 mm (1.3 in) over just 6 days. The humidity remains relatively consistent, at 79% in December and 81% in April. For a detailed look at April weather patterns, visit Nantong weather in April.

In December, the weather is generally mild, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (85°F) and an average of 13°C (56°F). This month experiences relatively low precipitation, with just 32 mm (1.3 in) over about 6 days, and humidity levels at 79%. In contrast, May brings significantly warmer temperatures, with a minimum of 9°C (49°F), an average of 23°C (74°F), and a peak of 37°C (100°F). However, this month is wetter, receiving 211 mm (8.3 in) of rainfall over approximately 18 days, and the humidity rises slightly to 85%. For more details on the weather conditions in this month, check out Nantong weather in May.

In December, Nantong experiences milder temperatures, with averages ranging from a minimum of 3°C (37°F) to a maximum of 29°C (85°F). The month typically sees about 32 mm (1.3 in) of precipitation over just 6 days, resulting in a relatively comfortable humidity level of 79%. In contrast, June brings a significant increase in warmth, with temperatures ranging from a minimum of 16°C (61°F) to a sweltering maximum of 37°C (99°F). However, June is also characterized by excessive rainfall, totaling approximately 301 mm (11.8 in) across 21 days, while humidity slightly rises to 81%. For a detailed look at the weather conditions in June, visit Nantong weather in June.

December and July present contrasting weather experiences. In December, temperatures range from a cool 3°C (37°F) to a mild 29°C (85°F), with an average of 13°C (56°F). The month experiences relatively low rainfall, totaling 32 mm (1.3 in) over just 6 days and a humidity level of 79%. In stark contrast, July brings much warmer weather, with temperatures varying from a minimum of 23°C (74°F) to a scorching maximum of 40°C (104°F) and averaging 29°C (84°F). Additionally, July is significantly wetter, with precipitation peaking at 129 mm (5.1 in) across 17 days and humidity rising to 84%. It's clear that these two months offer distinctly different climates. For more detailed information, check out Nantong weather in July.

December and August present contrasting weather conditions. In December, temperatures range from a minimum of 3°C (37°F) to a maximum of 29°C (85°F), with an average of 13°C (56°F). The month sees relatively low precipitation at 32 mm (1.3 in) spread across 6 days, and humidity levels sit at 79%. In stark contrast, August experiences much warmer temperatures, with a minimum of 23°C (74°F), an average of 28°C (83°F), and highs reaching up to 39°C (103°F). August is also much wetter, receiving 280 mm (11.0 in) of rain over 22 days, while humidity slightly increases to 82%. For a closer look at August conditions, you can check Nantong weather in August.

December weather is significantly cooler compared to September, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (85°F), while September sees much warmer temperatures with a minimum of 17°C (62°F) and a scorching maximum of 41°C (106°F). Precipitation is also higher in September, accruing 97 mm (3.8 in) over 13 days, compared to December's 32 mm (1.3 in) over just 6 days. Additionally, December has higher humidity at 79%, whereas September's humidity is relatively lower at 70%. For a deeper understanding of September's climate specifics, visit Nantong weather in September.

In December, the weather is noticeably cooler compared to October, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 29°C (85°F). This is in stark contrast to October, where temperatures range from a minimum of 11°C (51°F) to a maximum of 35°C (96°F), creating a more temperate environment. Precipitation levels are also lower in December, with 32 mm (1.3 in) of rain over 6 days, compared to October's 59 mm (2.3 in) spread over 9 days, leading to a slightly less humid atmosphere in December at 79%. For a more detailed comparison, you can check out Nantong weather in October.

In comparing the weather between December and November, December experiences cooler temperatures with a minimum of 3°C (37°F) and an average of 13°C (56°F), while November has a milder minimum of 7°C (45°F) and an average of 18°C (64°F). Additionally, December sees a maximum temperature of 29°C (85°F), compared to November's peak of 32°C (91°F). Precipitation levels are higher in November, measuring 69 mm (2.7 in) over 9 days, compared to December's 32 mm (1.3 in) spread across 6 days. Humidity levels remain relatively similar, with December at 79% and November at 77%. For more detailed insights, check out Nantong weather in November.

Compare Nantong's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Nantong

As December rolls into Nantong, the weather showcases a notable shift compared to the warmer months. With temperatures dipping significantly from the summer highs, residents experience a cool average, complemented by brisk minimums that hint at the winter chill. This month also sees a moderate amount of precipitation, with light rains making an appearance on several days, underlined by a humidity level that maintains a distinct dampness in the air. Overall, December in Nantong encapsulates the transition to winter, making it a refreshing yet chilly time of year, unlike the sultry summer months. For a deeper understanding of the seasonal patterns, check out the detailed insights on Nantong Climate.