December Weather in Henan, China

Last updated: August 21, 2025

December in Henan, China showcases a chilly climate, with temperatures ranging from a bone-chilling -32°C (-25°F) at night to a slightly warmer 5°C (41°F) during the day. The average temperature hovers around -18°C (0°F), making it essential to bundle up. Despite the cold, December experiences minimal precipitation with only 6 mm (0.2 in) over just one day, reflecting the dry nature of the month. Humidity stands at a moderate 60%, contributing to the brisk winter air. Preparing for Henan's December weather is crucial for a comfortable and enjoyable visit.

December Temperature in Henan

December in Henan, China plunges into a winter chill, characterized by consistently frigid temperatures. With a minimum dipping to -32°C (-25°F) and average values around -18°C (0°F), this month marks one of the coldest periods of the year, setting the scene for a stark landscape. The maximum temperature barely creeps above freezing at 5°C (41°F), contrasting sharply with the milder conditions seen earlier in the fall. As winter settles in, the sharp decline from November’s already low figures highlights the dramatic transition of the season. Such extreme cold not only defines December but also signals the onset of Henan’s deep winter, inviting a unique atmosphere of stillness and beauty often blanketed in snow.

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

The chart illustrates December temperature patterns in Henan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Henan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec-44264357667367574119-0
Data source: Temperature data for Henan 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 Henan

In December, Henan, China experiences a notable dip in precipitation, with only 6 mm (0.2 in) of rain recorded across just one day. This marks a significant contrast to the earlier months, where the region sees much heavier rainfall, particularly during the peak of the wet season from June to August, which can receive 173 mm (6.8 in) of precipitation. As the year draws to a close, the transition from the more humid summer months to the drier winter is evident, underlining a seasonal pattern that characterizes Henan's climate. The reduced rainfall in December serves as a reminder of the stark fluctuations in the region's weather, setting the stage for a more arid winter ahead.

December Precipitation Trends in Henan

The chart displays monthly precipitation patterns in Henan, 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 Henan, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec461233421231541739523186
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Henan

In December, humidity in Henan, China, decreases to 60%, continuing a downward trend from the month prior when it reached 61%. This marks a significant drop from the peak levels experienced in the summer months, particularly July and August, where humidity soared to 84% and 87% respectively. The transition towards winter brings drier air, as seen in the gradual decline from 75% in January to December's more comfortable levels. Although humidity remains relatively high at the beginning of the year, by December, it settles into a range that encourages a refreshingly cooler climate, providing a reprieve from the sweltering summer heat.

December Average Humidity in Henan

This chart illustrates the average monthly humidity levels in Henan, 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 Henan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec75%70%63%59%61%79%85%87%85%81%61%60%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Henan

In Henan, China, the December UV Index reaches a low of 1, marking a significant drop from the higher levels seen in the summer months. This reduction in UV exposure provides a comfortable buffer, especially after weeks of intense sunlight during the peak summer months when values soared to 9. With a burn time of 45 minutes, residents can enjoy the outdoors without the heightened concerns of sun damage that accompany the warmer months. This trend illustrates a seasonal ebb and flow of UV radiation, where winter brings relief and safety from the sun's rays, making December an ideal time for outdoor leisure activities. For more detailed insights, check out the Henan UV Index.

Maximum UV Index Levels in Henan for December

The chart shows the monthly maximum UV Index (UVI) for Henan 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 Henan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec224678986421
Data source: Henan 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 Henan

In Henan, China, December brings a subtle shift in sunshine, offering 225 hours of sunlight that stands as a bridge between the vibrant summer months and the cooler winter. Notably, this number reflects a dip from the peak of 342 hours in July, yet it signifies a continuation of relatively generous daytime brightness compared to the year’s start, where January recorded just 185 hours. The trend showcases a gradual decline through the year, with February and March seeing an increase, peaking in May and then tapering off. Despite this seasonal ebb, December’s sunshine still infuses a gentle warmth into the brisk winter air, providing a cozy backdrop for the holidays and ensuring Henan’s landscapes remain inviting during this transition.

Monthly Sunshine Duration in Henan: December Highlighted

The December sunshine duration represents the total number of hours Henan 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.
JanFebMarAprMayJunJulAugSepOctNovDec185h241h286h308h333h324h342h281h279h254h215h225h
Data source: Henan December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Henan During December

In December, Henan, China, experiences a notable increase in sunshine, with a 69% chance of clear weather. This marks a significant trend, as the likelihood of sunny days is higher than in both the preceding months of November (38%) and October (65%). As the year comes to a close, December stands out as one of the brighter months, hinting at a shift from the overcast patterns often seen in the preceding fall. This rise in sunny days offers a pleasant respite during the colder season, making December an inviting time for outdoor activities.

Percentage of Sunny Days in December in Henan

The chart illustrates the percentage of sunny days in Henan 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 Henan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec61%54%54%53%48%47%28%37%39%65%38%69%
Data source: Henan December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Henan in December

As December settles in Henan, China, the daylight hours drop back to a modest 8 hours, mirroring the shorter days of January. This annual rhythm showcases a gradual increase from a mere 8 hours in the early winter months to a peak of 15 hours during the vibrant summer. Throughout the year, daylight duration ebbs and flows, with spring heralding a noticeable increase as sunlight stretches its reach: 11 hours in March and thriving to 13 hours in April, before reaching its zenith in the sun-soaked months of May through July. Conversely, a gentle decline begins in August, tapering through the autumn months, as the landscape transitions to the quiet, early dark of winter. This cyclical pattern highlights the intense seasonal shifts that define life in Henan, embracing both the warmth of long summer days and the stark beauty of winter’s brevity.

Average Daylight Hours in Henan for December

The chart illustrates the variation in daylight duration in Henan throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 51m10h 12m11h 54m13h 39m15h 10m15h 57m15h 33m14h 13m12h 32m10h 48m9h 15m8h 26m
Data source: Henan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Henan

As December settles in Henan, China, the average wind speed hovers around 3.1 m/s (7 mph), marking a gentle breeze that reflects the transitional nature of the season. A subtle decrease follows the more vigorous winds of early spring and late autumn, which peak at 4.0 m/s in April, illustrating a shift from the vibrant energy of warmer months to the calm of winter. Despite this dip, December’s winds maintain a consistent presence, slightly stronger than summer’s languid airflow, signaling a cool yet manageable chill in the air. This evolving pattern indicates that as the year winds down, Henan's breezes provide a soothing backdrop to the festive spirit of the season.

Average December Wind Speed in Henan

The chart displays monthly wind speed patterns in Henan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.73.43.84.03.63.22.82.92.93.43.53.1 m/s
Data source: Henan December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Henan Compares to Other Months

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

In December, the weather presents a chilling landscape with average temperatures hovering around -18°C (0°F) and a maximum of just 5°C (41°F), alongside minimal precipitation of 6 mm over one day. By January, temperatures plunge even further, reaching a new low with an average of -20°C (-4°F), a minimum of -38°C (-36°F), and a maximum of -4°C (25°F). Although January sees slightly less precipitation at 4 mm on one day, the humidity increases to 75%, contributing to a harsher, more biting cold. For a deeper look at January weather specifics, you can check Henan weather in January.

In December, the weather is harsher, with average temperatures around -18°C (0°F), reaching a maximum of only 5°C (41°F). The month sees minimal precipitation of 6 mm over just 1 day and a humidity level of 60%. In contrast, February experiences slightly milder conditions, with an average temperature rising to -15°C (5°F) and a maximum of 8°C (46°F). Precipitation remains low at 5 mm, still spread over just 1 day, but humidity increases to 70%. For more detailed insights, you can check Henan weather in February.

In December, the weather is characterized by frigid temperatures, with average lows around -18°C (0°F) and a maximum of just 5°C (41°F). Precipitation is minimal, with only 6 mm over the course of 1 day, and humidity hovers around 60%. In contrast, March experiences a significant warming trend, as evidenced by an average temperature of -4°C (26°F) and a maximum of 17°C (63°F). The month sees an increase in precipitation to 12 mm spread across 3 days, accompanied by slightly higher humidity at 63%. For a more detailed look at March weather patterns, check out Henan weather in March.

December and April present stark contrasts in weather conditions. In December, temperatures plummet, with average lows around -18°C (0°F) and a maximum reaching only 5°C (41°F). The month is quite dry with just 6 mm (0.2 in) of precipitation occurring over a single day, while humidity hovers at around 60%. In contrast, April ushers in a significant warming trend, with average temperatures rising to 6°C (43°F) at minimum and peaking at 27°C (80°F). Additionally, April experiences more precipitation, totaling 33 mm (1.3 in) over four days, and humidity remains fairly stable at 59%. For more detailed insights, check out Henan weather in April.

In December, the weather is characterized by frigid temperatures, with a minimum of -32°C (-25°F) and an average of -18°C (0°F), rarely rising above 5°C (41°F). Precipitation is minimal, with only 6 mm (0.2 in) over just one day, and the humidity hovers around 60%. In contrast, May brings a dramatic shift in climate, with temperatures ranging from a chilly -1°C (30°F) at night to a warm 32°C (89°F) during the day, and an average of 14°C (57°F). The month experiences substantially more rainfall, totaling 42 mm (1.7 in) across seven days, while humidity remains similar at 61%. For more details on May weather, you can refer to Henan weather in May.

The weather in December contrasts sharply with that of June. In December, temperatures plummet, ranging from a minimum of -32°C (-25°F) to an average of -18°C (0°F), with a maximum reaching only 5°C (41°F). Precipitation is minimal, occurring just once with a total of 6 mm (0.2 in) and humidity sitting at 60%. In stark contrast, June boasts much milder conditions, with temperatures ranging from a minimum of 6°C (43°F) to an average of 19°C (66°F), peaking at a sweltering 36°C (97°F). The month is characterized by significant rainfall, totaling 123 mm (4.9 in) across approximately 13 days, and higher humidity levels of 79%. For a more detailed outlook, you can refer to Henan weather in June.

December and July showcase dramatically contrasting weather conditions. In December, temperatures can plunge to a frigid minimum of -32°C (-25°F), with an average around -18°C (0°F) and a maximum reaching just 5°C (41°F). The month is relatively dry, with only 6 mm (0.2 in) of precipitation over a single day, and humidity levels sitting at 60%. In stark contrast, July brings warmth with temperatures ranging from a minimum of 12°C (55°F) to an average of 23°C (74°F), peaking at a toasty 34°C (94°F). This summer month experiences significant rainfall, totaling 154 mm (6.1 in) across 15 days, coupled with high humidity levels of 84%. For more insights, check out Henan weather in July.

December and August present stark contrasts in weather conditions. In December, temperatures plummet, with minimums reaching a bone-chilling -32°C (-25°F) and average temperatures hovering around -18°C (0°F). Precipitation is minimal, totaling just 6 mm (0.2 in) over the course of a single day, accompanied by a humidity level of 60%. In sharp comparison, August basks in warmth, with minimum temperatures starting at 4°C (40°F) and rising to an average of 20°C (67°F), while maximums can reach a sweltering 30°C (85°F). The month sees significant rainfall, accumulating 173 mm (6.8 in) over 16 days and humidity soaring to 87%. For a closer look at August weather patterns, visit Henan weather in August.

In contrast to December's chilly climate, where temperatures plunge to a minimum of -32°C (-25°F) and hover around an average of -18°C (0°F), September offers a much milder experience with temperatures ranging from a pleasant minimum of 0°C (32°F) to a comfortable maximum of 28°C (83°F). While December sees minimal precipitation of just 6 mm (0.2 in) over only one day, September is notably wetter, accumulating 95 mm (3.8 in) over ten days, contributing to higher humidity levels at 85% compared to December's 60%. For more insights into the weather conditions in September, you can check this link: Henan weather in September.

In December, the weather plunges to much colder temperatures, with a minimum of -32°C (-25°F) and an average of -18°C (0°F), contrasting sharply with October, where temperatures range from a milder minimum of -9°C (16°F) to an average of 5°C (41°F) and a maximum of 25°C (77°F). While December experiences minimal precipitation at 6 mm over just 1 day, October sees more frequent rainfall with 22 mm spread across 4 days. Additionally, December has a lower humidity level of 60%, compared to October's higher humidity at 80%. For more details on October weather, visit Henan weather in October.

In comparing the weather between November and December, December experiences significantly colder temperatures, with average lows plunging to -18°C (0°F) compared to November's average low of -7°C (19°F). While both months see low humidity levels of around 60% to 61%, December is markedly drier, receiving only 6 mm (0.2 in) of precipitation over just a single day, unlike November, which experiences 18 mm (0.7 in) across four days. Moreover, December’s maximum temperature remains at a chilly 5°C (41°F), falling well below November's warmer peak of 14°C (57°F). For more detailed insights into November weather patterns, you can refer to Henan weather in November.

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Conclusion: What to Expect From December Weather in Henan

As December settles over Henan, the weather transforms significantly compared to earlier months, ushering in a chill that characterizes the heart of winter. With maximum temperatures hovering around a brisk 5°C and minimums plunging to a frigid -32°C, it's a time when frost blankets the landscape, and the biting cold becomes a defining feature of the season. The average temperature dips to a chilling -18°C, marking a sharp contrast to the warmer temperatures of fall. Notably, precipitation is minimal, with just a handful of days seeing any moisture, resulting in a dry atmosphere coupled with around 60% humidity. For those looking to understand more about Henan's weather patterns, the comprehensive insights available at Henan Climate are invaluable.