December Weather in Nanhai, China

Last updated: August 21, 2025

December in Nanhai, China brings a mild yet refreshing climate, with average temperatures hovering around 15°C (60°F). Daytime conditions peak at a comfortable 20°C (69°F), while nights can drop to a cool 8°C (47°F). This month witnesses an estimated 53 mm (2.1 in) of rainfall, spread over approximately 9 days, contributing to a humidity level of 79% that adds a touch of moisture to the air. Overall, December offers a crisp atmosphere, ideal for enjoying the vibrant seasonal changes Nanhai has to offer.

December Temperature in Nanhai

As December rolls into Nanhai, China, the temperatures begin to dip, offering a refreshing contrast to the warmth of the preceding months. The minimum temperature settles at a cool 8°C (47°F), while the average hovers around a comfortable 15°C (60°F), peaking at a mild 20°C (69°F) during the day. This month marks a noticeable shift from the balmy heights of summer, bringing a crispness to the air that invites cozy gatherings and festive celebrations. With the gradual descent of temperatures from the autumnal warmth of November, December serves as a gentle reminder of winter’s approach, creating a pleasant climate that's perfect for exploration or simply enjoying the serene landscapes of Nanhai.

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

The chart illustrates December temperature patterns in Nanhai, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nanhai, 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).
JanFebMarAprMayJunJulAugSepOctNovDec555559657279828281756860
Data source: Temperature data for Nanhai 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 Nanhai

In December, Nanhai, China, experiences a moderate shift in precipitation, with an average of 53 mm (2.1 in) falling over 9 days. This marks a slight decline from the preceding month's rainfall, where November brought 61 mm over 11 days. While December's precipitation is significantly lower than the peak seen in June (267 mm), it remains consistent compared to the earlier winter months, suggesting a stable transition into the drier season. Interestingly, as the year draws to a close, the frequency of rainy days remains steady, hinting at a balanced climate that transitions smoothly from the lush summer months. Overall, December's weather reflects a gentle ebb in precipitation, preparing the region for the drier months ahead while still offering a refreshing sprinkle of winter rain.

December Precipitation Trends in Nanhai

The chart displays monthly precipitation patterns in Nanhai, 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 Nanhai, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec4462109821352675220196706153
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Nanhai

December in Nanhai, China, sees a moderate humidity level of 79%, painting a picture of a typically damp winter month. As the year progresses, humidity tends to ebb and flow, starting at a consistent 73% in both January and February before climbing through the spring months, peaking at 85% in May. The summer months bring only slight fluctuations, maintaining values around 81% to 84%, suggesting a consistent humid environment. Interestingly, September experiences a dip to 70%, marking the transition to cooler weather before humidity rises again in December, just slightly above its January baseline. Overall, the trend indicates that Nanhai's humidity is relatively high throughout the year, with noticeable peaks in late spring and summer, and a slight decrease in early autumn.

December Average Humidity in Nanhai

This chart illustrates the average monthly humidity levels in Nanhai, 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 Nanhai 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 Nanhai

In December, Nanhai experiences a UV Index of 6, classified as high, which allows for a more comfortable outdoor experience compared to the peak months of summer when the index reaches an extreme level of 13. With a burn time of 25 minutes, this month marks a slight decline in UV intensity, signaling a shift from the harsh rays felt from March through August. Notably, the trend sees the UV index gradually decreasing from its highest point in June and July, offering residents and visitors a reminder to enjoy the outdoors while still taking necessary precautions. For more detailed information, check the Nanhai UV Index.

Maximum UV Index Levels in Nanhai for December

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

In December, Nanhai, China, experiences a delightful transition as daylight slowly wanes, offering 215 hours of sunshine. Although this marks a decline from the sunniest peak in July, which boasts a generous 331 hours, it still reflects a charming brightness amidst the cooler months. The trend from autumn into winter reveals a gradual reduction in sunlight, starting from November’s 228 hours to December’s 215 hours. This subtle decrease invites a cozy atmosphere, perfect for enjoying the serene beauty of the season while preparing for the incoming new year. As Nanhai bids farewell to the year, the consistent sunlight throughout earlier months—from vibrant May’s 297 hours to gentle December’s rays—suggests that the region enjoys a healthy balance of light, enhancing the overall charm of winter days.

Monthly Sunshine Duration in Nanhai: December Highlighted

The December sunshine duration represents the total number of hours Nanhai 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.
JanFebMarAprMayJunJulAugSepOctNovDec188h232h272h274h297h260h331h312h294h265h228h215h
Data source: Nanhai December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nanhai During December

In December, Nanhai, China experiences a modest 34% chance of sunny weather, marking the end of a year characterized by a gradual decline in sunshine hours. Notably, the likelihood of clear skies begins to taper off from the warmer months, peaking in September at 60% before descending through fall. While December's statistics indicate a dip compared to the more sunny spells seen earlier in the year, this month still offers a reasonable opportunity for bright days amidst the winter chill. As temperatures drop, the sun's appearance becomes less predictable, ending the year on a somewhat cloudy note but still hopeful for glimpses of sunlight.

Percentage of Sunny Days in December in Nanhai

The chart illustrates the percentage of sunny days in Nanhai 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 Nanhai experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%52%46%36%17%6%30%27%60%35%38%34%
Data source: Nanhai December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nanhai in December

As December rolls in Nanhai, China, the daylight hours reflect a cyclical pattern that mirrors the changing seasons. With 10 hours of daylight, the month shares its duration with January and November, indicating a peak of shorter days as winter approaches. The year begins with an increase in daylight from January to May, where it reaches a vibrant 13 hours in the summer months of June to August. Following this, daylight begins to wane, tapering off into the shorter days of autumn and concluding with December's return to that 10-hour mark. This rhythmic ebb and flow of daylight not only marks the transition through the year but also influences the local lifestyle and activities throughout the seasons.

Average Daylight Hours in Nanhai for December

The chart illustrates the variation in daylight duration in Nanhai throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 44m11h 17m12h12h 45m13h 22m13h 40m13h 31m12h 58m12h 16m11h 32m10h 53m10h 34m
Data source: Nanhai daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Nanhai

As December arrives in Nanhai, China, the winds pick up, with an impressive average speed of 10.8 m/s (24 mph), making it one of the breezier months of the year. This uptick in wind strength follows a trend from the fall, where November and October also recorded higher speeds of 9.7 m/s (22 mph) and 11.3 m/s (25 mph) respectively. Analyzing the year, we see a gradual decline in wind speed from the vibrant gusts of early winter, peaking sharply in October, followed by a slight, yet notable resurgence as December's chill sets in. This pattern reveals Nanhai's unique seasonal dynamics, blending the softer breezes of summer and early autumn with the more robust winds of winter, inviting both residents and visitors to embrace the invigorating coastal atmosphere.

Average December Wind Speed in Nanhai

The chart displays monthly wind speed patterns in Nanhai, 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.
JanFebMarAprMayJunJulAugSepOctNovDec9.98.37.58.46.77.47.76.76.111.39.710.8 m/s
Data source: Nanhai December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Nanhai Compares to Other Months

Weather in Nanhai varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Nanhai, focusing on differences in temperature, rainfall, humidity, and UV levels.

In December, the weather tends to be slightly warmer with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 20°C (69°F), accompanied by higher humidity at 79%. Precipitation is also more frequent, with rainy days totaling nine and an overall accumulation of 53 mm (2.1 in). In contrast, January sees a slight drop in temperatures, with averages from 6°C (44°F) to 18°C (65°F), and the humidity level decreases to 73%. Additionally, January experiences less rainfall, totaling 44 mm (1.7 in) over just six days. For more specific details on the weather in Nanhai during January, you can visit Nanhai weather in January.

When comparing the weather in December and February, both months exhibit mild temperatures, but with some notable differences. December typically enjoys slightly warmer conditions, with average temperatures around 15°C (60°F) and a maximum of 20°C (69°F), while February sees a slight dip in temperatures, averaging 13°C (55°F) and peaking at 17°C (64°F). Precipitation is a bit heavier in February with 62 mm (2.4 in) compared to 53 mm (2.1 in) in December, albeit over a similar number of rainy days—8 in February and 9 in December. Humidity levels are also more comfortable in February at 73%, compared to December's 79%. For more detailed information on February weather patterns, you can check Nanhai weather in February.

In December, the weather typically presents milder temperatures, ranging from a minimum of 8°C (47°F) to a maximum of 20°C (69°F), with an average of 15°C (60°F). Precipitation is relatively moderate at 53 mm (2.1 in) over about 9 days, and humidity hovers around 79%. In contrast, March sees slightly warmer conditions with minimum temperatures of 10°C (50°F) and maximums reaching 19°C (67°F), while the average remains similar at 15°C (59°F). However, March experiences increased rainfall, totaling 108 mm (4.3 in) over 12 days, and humidity rises slightly to 80%. For a more detailed look at what to expect, you can check this link: Nanhai weather in March.

December and April present contrasting weather patterns, showcasing the transition from the cool late autumn to the milder spring. In December, temperatures range from a minimum of 8°C (47°F) to a maximum of 20°C (69°F) with an average of 15°C (60°F). The month experiences approximately 53 mm (2.1 in) of precipitation over 9 days, along with a humidity level of 79%. In contrast, April sees warmer temperatures with a minimum of 12°C (54°F), an average of 18°C (65°F), and a maximum of 24°C (75°F). Rainfall increases to about 82 mm (3.2 in) spread across 11 days, accompanied by a slightly higher humidity of 81%. For more details about the weather in April, you can visit Nanhai weather in April.

In December, the weather tends to be cooler, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 20°C (69°F) and an average of 15°C (60°F). The month experiences about 53 mm (2.1 inches) of precipitation over approximately 9 days, accompanied by a humidity level of 79%. In contrast, May brings much warmer temperatures, with a minimum of 17°C (64°F) and a maximum of 27°C (81°F), averaging around 22°C (73°F). This month is also significantly wetter, with precipitation totaling 135 mm (5.3 inches) across 12 days and slightly higher humidity at 85%. For a closer look at weather specifics in May, check out Nanhai weather in May.

In December, the weather is much cooler, with average temperatures ranging from a minimum of 8°C (47°F) to a maximum of 20°C (69°F). The month is characterized by a moderate amount of precipitation, totaling 53 mm (2.1 in) over about 9 days, and maintains a humidity level of 79%. In contrast, June experiences warmer conditions, with average temperatures between 22°C (73°F) and 29°C (84°F). However, June is notably wetter, with 267 mm (10.5 in) of precipitation spread over 13 days and a humidity level slightly higher at 81%. For more detailed information about June weather specifically, you can visit Nanhai weather in June.

December and July present striking contrasts in weather. In December, temperatures range from a minimum of 8°C (47°F) to a maximum of 20°C (69°F), with an average temperature of 15°C (60°F). The month sees about 53 mm (2.1 in) of precipitation over 9 days, coupled with a humidity level of 79%. Conversely, July is significantly warmer, with temperatures ranging from a minimum of 26°C (79°F) to a maximum of 29°C (85°F) and an average of 28°C (82°F). Although July also receives approximately 52 mm (2.1 in) of rainfall, it experiences less rainy days (7) and slightly higher humidity at 84%. For a detailed look at July's weather, you can visit Nanhai weather in July.

December weather is markedly cooler than August, with daytime temperatures averaging around 15°C (60°F) compared to August's warmer average of 28°C (82°F). While December enjoys relatively mild conditions with a maximum temperature of 20°C (69°F), August can feel quite hot with highs reaching up to 30°C (87°F). Precipitation is more frequent in August as well, with about 201 mm (7.9 inches) falling over 16 days, in contrast to December's 53 mm (2.1 inches) over just 9 days. Humidity remains high in both months, with December at 79% and August slightly higher at 82%. For more detailed information about August weather, you can visit Nanhai weather in August.

In December, the weather is significantly cooler, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 20°C (69°F) and an average of 15°C (60°F). The month experiences 53 mm (2.1 in) of precipitation over about 9 days, accompanied by a relatively high humidity of 79%. In contrast, September boasts much warmer conditions, with minimum temperatures at 23°C (73°F) and maximum temperatures reaching 29°C (85°F), averaging around 27°C (81°F). This month receives a higher total of 96 mm (3.8 in) of rainfall spread across 12 days, but with a slightly lower humidity level of 70%. For more details, check out Nanhai weather in September.

In comparing the weather between October and December, October presents a warmer climate with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 29°C (84°F). In contrast, December's temperatures are notably cooler, with a minimum of 8°C (47°F) and a maximum of 20°C (69°F). Precipitation levels are higher in October at 70 mm (2.8 in) over 12 days, compared to December's 53 mm (2.1 in) over 9 days, indicating a slightly wetter October. Moreover, October experiences lower humidity at 73%, while December's humidity rises to 79%, adding a damp chill to the cooler temperatures. For more details on October weather, you can check Nanhai weather in October.

In comparing the weather between December and November, December experiences a cooler temperature range, with minimums of 8°C compared to November's 14°C. The average temperature drops from 20°C in November to 15°C in December, and the maximum temperature also declines to 20°C, compared to November's peak of 23°C. Precipitation is slightly less in December at 53 mm over 9 days, while November sees 61 mm of rain across 11 days. Despite the increase in precipitation days in November, humidity levels remain relatively comparable, with December at 79% and November at 77%. For more details on November's weather, you can check Nanhai weather in November.

Compare Nanhai's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Nanhai

As December settles in Nanhai, the weather takes a notable turn, offering a refreshing contrast to the preceding months. With temperatures averaging a crisp 15°C, the cool air invites residents and visitors alike to embrace outdoor activities. However, this month also carries a hint of moisture, with an increased likelihood of rain across approximately nine days—contributing to a humidity level of 79%. Unlike the warmer, sunnier months, December's weather encourages cozy gatherings and seasonal festivities, making it a unique time to experience the charm of Nanhai. For more detailed insights on what to expect throughout the year, check out Nanhai Climate.