December Weather in Dayan, China

Last updated: August 21, 2025

In December, Dayan, China experiences a notable drop in temperature, with a maximum of 16°C (61°F) and an average of 5°C (40°F), plummeting to a minimum of -7°C (21°F). The month sees 40 mm (1.6 in) of precipitation spread over 9 days, contributing to a humid atmosphere with levels around 80%. This combination of cool temperatures and moisture creates a unique winter environment, making December a distinctive time to experience the charm of Dayan.

December Temperature in Dayan

In December, Dayan, China, transitions into the chill of winter, with minimum temperatures dipping to -7°C (21°F) and an average hovering around 5°C (40°F). As the year comes to a close, daytime highs reach a modest 16°C (61°F), reflecting a noticeable drop from the milder conditions of autumn. This month serves as a clear turning point, where the crisp air and cooler vibes set the stage for the colder months ahead. With temperatures steadily decreasing towards January’s depth, December's weather offers a stark contrast to the warmer earlier months, inviting residents and visitors alike to embrace the winter ambiance.

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

The chart illustrates December temperature patterns in Dayan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Dayan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec374050586672767769585040
Data source: Temperature data for Dayan 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 Dayan

December brings a notable decrease in precipitation in Dayan, China, with only 40 mm (1.6 in) of rain recorded over 9 days. This marks a significant drop from the preceding months, especially compared to the peak of 220 mm (8.7 in) in May and 289 mm (11.4 in) in June. The transition from the wetter fall months to the relatively dry late winter is evident, as rainfall dwindles from the 66 mm (2.6 in) seen in November. The reduced precipitation not only signals the onset of cooler temperatures but also sets the stage for a more tranquil atmosphere as the region prepares for the winter months ahead. This seasonal pattern highlights Dayan's distinct wet seasons, cleverly contrasting the lush greenery nurtured by summer rains with the serene crispness of December.

December Precipitation Trends in Dayan

The chart displays monthly precipitation patterns in Dayan, 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 Dayan, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec55661181602212892792461591046640
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Dayan

In Dayan, China, December marks a notable shift in humidity levels, with an average of 80% that sits comfortably within the mid-range of the year. Following a pattern of higher moisture in the warmer months, December's humidity dips slightly from the summer peaks of 88% in July but remains higher than the drier months of September, which recorded only 70%. This slight decrease compared to the previous months suggests that Dayan transitions into the winter season while still retaining a distinctive level of humidity. Interestingly, December's figure is consistent with November's 84%, showcasing a gradual but steady decline that hints at the arrival of colder, dryer conditions ahead. Overall, the trend reflects a cohesive yearly rhythm where humidity fluctuates with the seasons, contributing to the region's unique climate.

December Average Humidity in Dayan

This chart illustrates the average monthly humidity levels in Dayan, 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 Dayan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%78%87%85%82%84%88%84%70%77%84%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Dayan

December brings a noticeable shift in the UV Index for Dayan, China, dipping to 5 with a moderate exposure category. After months of extreme conditions where the UV Index soared to 13 in July, the end of the year offers a welcome reprieve, allowing for a more leisurely 30-minute burn time for those enjoying outdoor activities. This trend highlights the importance of adapting sun safety practices as we move through the seasons; while summer demands heightened vigilance, winter months call for a more balanced approach to UV exposure. For detailed insights on UV levels throughout the year, explore the full range at Dayan UV Index.

Maximum UV Index Levels in Dayan for December

The chart shows the monthly maximum UV Index (UVI) for Dayan 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 Dayan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec788111212131211965
Data source: Dayan 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 Dayan

In Dayan, China, December enjoys a delightful 207 hours of sunshine, providing a wonderful close to the year. As we look back over the months, a clear trend emerges: the sunny days seem to peak in the summer, notably with July and August boasting impressive totals of 295 and 307 hours respectively. The sun shines the brightest during the warm months, gradually waning to the cooler days of late fall and early winter. Notably, December showcases a notable rebound from the overcast November, hinting at a serene winter landscape bathed in soft sunlight, perfect for exploring the scenic beauty of this historic town. This annual rhythm of sunshine not only enhances the local ambiance but also invites visitors to revel in the charm of Dayan throughout the seasons.

Monthly Sunshine Duration in Dayan: December Highlighted

The December sunshine duration represents the total number of hours Dayan 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.
JanFebMarAprMayJunJulAugSepOctNovDec149h205h225h229h253h261h295h307h243h194h195h207h
Data source: Dayan December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dayan During December

In Dayan, China, December emerges as a month of notable sunshine, boasting a 51% chance of clear skies. A trend of increasing sunny days can be observed as the year draws to a close; following a dip in sun chances through the warmer months, December not only surpasses the gloomy spring months but also outshines the previous late autumn period, where November recorded a 43% chance. This upward trajectory highlights December as a bright spot in the winter season, making it an appealing time for those seeking sunny weather to experience the charming beauty of Dayan.

Percentage of Sunny Days in December in Dayan

The chart illustrates the percentage of sunny days in Dayan 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 Dayan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec48%40%19%13%17%22%25%22%45%28%43%51%
Data source: Dayan December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dayan in December

In Dayan, China, the daylight duration follows a rhythmic ebb and flow throughout the year, peaking in the vibrant summer months. From January's modest 10 hours of daylight, there’s a gradual ascent, reaching a delightful 14 hours in June. As summer fades, daylight begins to wane again, a natural progression that mirrors the changing seasons. By December, daylight returns to 10 hours, echoing the beginning of the year. This cyclical pattern reflects the region's transition from winter's chill through spring's awakening, lively summers, and back into the serene embrace of winter, each month offering a unique light experience.

Average Daylight Hours in Dayan for December

The chart illustrates the variation in daylight duration in Dayan throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 25m11h 6m11h 59m12h 54m13h 39m14h 2m13h 51m13h 11m12h 19m11h 24m10h 37m10h 13m
Data source: Dayan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Dayan

As December arrives in Dayan, China, the winds gently whisper through the ancient streets, bringing an average wind speed of 1.4 m/s (3 mph). Consistently mild throughout the year, the wind remains a soothing companion, with speeds hovering around the same calm 1.5 m/s (3 mph) mark from January to November. However, a slight uptick can be observed as September and October stretch the breeze to 1.6 m/s and 1.7 m/s (4 mph), hinting at the subtle shifts in the air as the seasons transition. In December, the air quiets down just a notch, settling back to a tranquil pace, allowing residents and visitors to embrace the serenity of winter's embrace as they explore the beauty of this historic town.

Average December Wind Speed in Dayan

The chart displays monthly wind speed patterns in Dayan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1.51.51.51.51.51.51.51.51.61.71.41.4 m/s
Data source: Dayan December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Dayan Compares to Other Months

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

December and January present some notable differences in weather patterns. In December, the temperatures fluctuate from a minimum of -7°C (21°F) to a maximum of 16°C (61°F), with an average of 5°C (40°F). During this month, precipitation is relatively mild at 40 mm (1.6 in) over 9 days, combined with high humidity levels at 80%.

In contrast, January tends to be slightly colder overall, with minimum temperatures reaching -8°C (18°F) and an average temperature of 3°C (37°F). However, it also sees a higher maximum of 18°C (64°F). Precipitation increases to 55 mm (2.2 in) over the same 9 days, though humidity drops to 74%. For more specific insights into January weather, you can check the details via this link: Dayan weather in January.

In December, the weather typically features a minimum temperature of -7°C (21°F) and a maximum of 16°C (61°F), with an average sitting around 5°C (40°F). The month experiences moderate precipitation of 40 mm (1.6 in) over approximately 9 days and maintains a humidity level of 80%. In contrast, February sees slightly milder temperatures, with a minimum of -6°C (21°F), an average of 5°C (41°F), and a maximum that can reach 24°C (75°F). February is also wetter with total precipitation of 66 mm (2.6 in) over about 10 days, accompanied by a humidity level of 77%. For more detailed weather information, check Dayan weather in February.

In December, temperatures typically range from a chilly minimum of -7°C (21°F) to a mild maximum of 16°C (61°F), with an average temperature around 5°C (40°F). The month experiences about 40 mm (1.6 in) of precipitation over approximately 9 days, and the humidity hovers at 80%. In contrast, March sees a notable increase in temperatures, starting from 0°C (33°F) at its lowest, reaching up to 26°C (80°F) at its peak, and averaging around 10°C (50°F). However, this month experiences much higher precipitation at 118 mm (4.6 in) across 15 days, along with slightly increased humidity at 87%. For more details on March weather in Dayan, you can visit Dayan weather in March.

December weather is generally cooler, with temperatures ranging from a minimum of -7°C (21°F) to an average of 5°C (40°F), peaking at 16°C (61°F). This month experiences relatively low precipitation, totaling 40 mm (1.6 in) over about 9 days, while humidity averages around 80%. In contrast, April brings a significant warm-up, with minimum temperatures around 4°C (39°F) and average highs reaching 30°C (86°F). Precipitation increases dramatically to 160 mm (6.3 in), occurring over 16 days, and humidity rises slightly to about 85%. For a more detailed look at weather conditions in April, you can visit Dayan weather in April.

December and May showcase striking contrasts in weather conditions. In December, temperatures range from a chilly -7°C (21°F) to a mild 16°C (61°F), with an average of 5°C (40°F). The month experiences approximately 40 mm (1.6 in) of precipitation over about 9 days, accompanied by a humidity level of 80%. In comparison, May brings significantly warmer temperatures, with minimums of 9°C (48°F) and maximums reaching up to 32°C (90°F), averaging around 19°C (66°F). The precipitation in May is much higher, totaling 220 mm (8.7 in) over 16 days, while humidity remains relatively constant at 82%. For a more detailed insight into May's weather, check out Dayan weather in May.

In December, temperatures range significantly, starting from a chilly minimum of -7°C (21°F) and averaging around 5°C (40°F), with highs peaking at 16°C (61°F). The month experiences relatively low precipitation of 40 mm (1.6 in) across 9 days, paired with a humidity level of 80%. In contrast, June boasts much warmer temperatures, with a minimum of 14°C (58°F) and an average of 22°C (72°F), reaching maximums of 33°C (92°F). This month faces much higher precipitation, totaling 289 mm (11.4 in) over 19 days, alongside a humidity level of 84%. For more detailed weather insights in June, you can visit Dayan weather in June.

December and July present stark contrasts in weather conditions. December typically experiences cooler temperatures, with a minimum of -7°C (21°F) and an average of 5°C (40°F), while July boasts much warmer temperatures, featuring a minimum of 17°C (63°F) and an average of 25°C (77°F). Precipitation levels also differ significantly, with December receiving 40 mm (1.6 in) over 9 days, compared to July's substantial 279 mm (11.0 in) across 23 days. Furthermore, humidity remains high in both months, with December at 80% and July slightly higher at 88%. For a closer look at the weather in July, you can visit Dayan weather in July.

December and August present contrasting weather patterns. In December, temperatures range from a chilly minimum of -7°C (21°F) to a pleasant maximum of 16°C (61°F), with an average of 5°C (40°F). The month sees around 40 mm of precipitation over approximately nine days and enjoys a humidity level of 80%. In stark contrast, August boasts much warmer conditions, with minimum temperatures of 16°C (61°F), averaging 25°C (77°F), and peaking at a sweltering 35°C (95°F). This summer month experiences significantly higher rainfall, totaling 246 mm (9.7 in) across 23 days, coupled with slightly elevated humidity at 84%. For more specific details, you can visit Dayan weather in August.

December and September present strikingly different weather patterns. In December, temperatures range from a chilly min of -7°C (21°F) to a mild max of 16°C (61°F), with an average of 5°C (40°F), while September boasts much warmer conditions with a minimum of 12°C (55°F) and a maximum of 32°C (90°F), averaging 21°C (70°F). Precipitation also varies significantly; December sees about 40 mm (1.6 in) over 9 days, whereas September experiences a much wetter climate with 159 mm (6.3 in) across 17 days. Moreover, the humidity in December is relatively high at 80%, compared to a more comfortable 70% in September. For more detailed information, you can explore Dayan weather in September.

In comparing the weather between October and December, it's evident that December is considerably colder, with temperatures ranging from a minimum of -7°C (21°F) to an average of 5°C (40°F), while October enjoys milder conditions, with temperatures between 6°C (43°F) and a maximum of 31°C (88°F). Additionally, October experiences significantly more precipitation, totaling 104 mm (4.1 in) over 11 days, compared to December's 40 mm (1.6 in) across 9 days. Despite the total precipitation, the humidity levels are relatively similar, with October at 77% and December at 80%. For a detailed look at October's weather, you can check Dayan weather in October.

December weather is markedly cooler compared to November, with average temperatures ranging from a minimum of -7°C (21°F) to a maximum of 16°C (61°F), while November enjoys a milder range of temperatures from 0°C (33°F) to 23°C (73°F). Precipitation decreases in December to 40 mm (1.6 in) over 9 days, compared to November’s wetter conditions of 66 mm (2.6 in) over 11 days. Additionally, humidity in December is slightly lower at 80% compared to November's 84%. For more insights on the climate during this month, you can explore Dayan weather in November.

Compare Dayan's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Dayan

As December arrives in Dayan, the weather takes a noticeable turn, reflecting the chill of winter. Temperatures drop significantly, with cool days replacing the mildness of previous months, reaching an average of only 5°C (40°F). Precipitation becomes more frequent as moisture-laden clouds shower the area, contributing to the increased humidity felt throughout the month. With about nine days of rain, the landscape takes on a serene, albeit damp, quality. This shift creates a stark contrast to the warmer, sunnier months, inviting residents and visitors alike to embrace the cozy atmosphere that December brings. For more detailed insights into Dayan's seasonal weather, check out Dayan Climate.