December Weather in Yuannan, China

Last updated: August 21, 2025

Experience the captivating December weather of Yunnan, China, where temperatures gracefully fluctuate between a maximum of 29°C (84°F) and a minimum of 4°C (39°F), averaging around a comfortable 15°C (59°F). This month greets you with a moderate precipitation of 19 mm (0.8 in) over just 4 days, allowing for a refreshing, yet predominantly dry atmosphere. With a humidity level of 69%, December presents a unique blend of crisp coolness and mild warmth, perfect for exploring the stunning natural beauty and cultural richness of the region.

December Temperature in Yuannan

In Yuannan, China, December marks the transition towards colder temperatures, with a notable range that showcases the region's seasonal shifts. The minimum temperature settles around 4°C (39°F), while the average hovers at 15°C (59°F), offering a brisk yet manageable chill. As the month progresses, days can still reach up to 29°C (84°F), hinting at the lingering warmth from the autumn months. This gradual cooling trend, when compared to the previous months, indicates the onset of winter, making December a unique period that blends the remnants of warmth with the approach of colder days. Ideal for travelers, the comfortable daytime temperatures invite exploration while the fresh evenings provide a crisp contrast, perfect for cozy gatherings.

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

The chart illustrates December temperature patterns in Yuannan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Yuannan, 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).
JanFebMarAprMayJunJulAugSepOctNovDec585967717882848382756859
Data source: Temperature data for Yuannan 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 Yuannan

In December, Yunnan, China experiences a notable decline in precipitation, with only 19 mm (0.8 in) of rain falling over a mere four days. This marks a significant drop from the peak rainfall of the summer months, where June sees an impressive 325 mm (12.8 in) across 26 days. As the year closes, the transition from the wet season to drier winter months becomes apparent, with November already hinting at this shift with just 24 mm (0.9 in) of precipitation. Though December offers a stark reduction in rainfall, it quietly sets the stage for a brief respite before the cyclical return to the region's lush, wet spring and summer.

December Precipitation Trends in Yuannan

The chart displays monthly precipitation patterns in Yuannan, 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 Yuannan, December typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3353127122177325168246136592419
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Yuannan

In Yunnan, China, December marks a slight dip in humidity to 69%, following the year’s peak during the sweltering summer months of July and August, where levels soared to 88%. As the seasons transition, the humidity showcases a gradual decline from the high of 79% in May, with a noticeable drop through late fall and early winter. Despite the year’s overall trend of increasing humidity from January’s 64% to July and August’s peaks, December remains comfortably moderate, bridging the gap as the region prepares for the drier winter ahead. This month’s humidity hints at the lingering warmth of autumn, offering a gentle respite before the colder months set in.

December Average Humidity in Yuannan

This chart illustrates the average monthly humidity levels in Yuannan, 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 Yuannan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec64%68%73%71%79%77%88%88%75%65%64%69%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Yuannan

As December settles in Yuannan, China, the UV Index drops to 7, classified as high, with a recommended burn time of 25 minutes. This shift is a part of an overall seasonal trend where the UV Index peaks around the summer months, reaching an extreme high of 14 in May. From March through September, the index holds consistently at extreme levels, underscoring the strong solar intensity typical for this region. As the year winds down, December offers a brief respite from the harsh sun, reminiscent of January's similar reading, but it remains crucial to stay mindful of UV exposure. For a closer look at seasonal variations, you can check the detailed Yuannan UV Index.

Maximum UV Index Levels in Yuannan for December

The chart shows the monthly maximum UV Index (UVI) for Yuannan 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 Yuannan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec710121214131313121097
Data source: Yuannan 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 Yuannan

In December, Yunnan, China, basks in the warmth of 264 hours of sunshine, a bright conclusion to the year. As the days grow shorter, the sunlight remains generous, showcasing a steady trend of abundant sunshine that peaks in the summer months. With the highest sunshine hours recorded in July at 304 hours, Yunnan’s winter still offers a delightful contrast to the gray skies of other regions. Following the summer's glory, December retains a solid average, bridging from the vibrant sunshine of May and June, where residents and travelers alike can enjoy mild weather and picturesque landscapes. This delightful consistency makes Yunnan an appealing destination for those seeking to escape the winter chill.

Monthly Sunshine Duration in Yuannan: December Highlighted

The December sunshine duration represents the total number of hours Yuannan 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.
JanFebMarAprMayJunJulAugSepOctNovDec209h233h240h225h270h229h304h280h280h270h252h264h
Data source: Yuannan December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yuannan During December

In Yunnan, China, the likelihood of enjoying sunny weather in December stands at 57%, a notable improvement from the gloomy days of May and June, which plunge to as low as 11%. Interestingly, as the year winds down, the chances of sunshine seem to recover from their mid-year slump, peaking in January at 72% and gently tapering off to 62% in February. Although December doesn’t quite match the brilliance of the first month of the year, its 57% chance of clear skies makes it a relatively cheerful close to the year, giving residents and visitors alike a compelling reason to embrace outdoor activities before the chill of winter fully sets in.

Percentage of Sunny Days in December in Yuannan

The chart illustrates the percentage of sunny days in Yuannan 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 Yuannan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec72%62%39%33%23%11%32%15%49%38%63%57%
Data source: Yuannan December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yuannan in December

In Yunnan, China, the daylight duration undergoes a fascinating transformation throughout the year, reflecting the changing seasons. Starting off the year, January and December both offer about 10 hours of daylight, marking the shorter days of winter. As spring approaches, the duration steadily increases; by March, daylight stretches to 12 hours, continuing to peak in May and June with an abundant 13 hours of sunlight. Following this mid-year zenith, the daylight begins to gradually recede, dropping back to 12 hours in August and 11 hours in October, before returning to the winter pattern. This cyclical ebb and flow of light not only highlights the rhythmic beauty of nature in Yunnan but also sets the stage for diverse cultural and agricultural activities throughout the year.

Average Daylight Hours in Yuannan for December

The chart illustrates the variation in daylight duration in Yuannan throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 50m11h 20m12h12h 42m13h 16m13h 33m13h 25m12h 54m12h 15m11h 34m10h 59m10h 41m
Data source: Yuannan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Yuannan

In December, Yuannan, China experiences a modest increase in wind speed, averaging 2.7 m/s (6 mph), marking a slight uptick from the previous months. This seasonal shift follows a trend seen throughout the year, where wind speeds fluctuated but remained relatively low from mid-summer through fall, peaking again as temperatures begin to cool. September recorded the calmest winds at just 1.2 m/s, while the transition into winter sees the winds strengthening slightly, indicating a dynamic shift in the atmosphere as the region braces for colder months. Overall, the wind patterns reflect the interplay of Yuannan's climate throughout the year, highlighting December as a month where breezes pick up, lending a refreshing chill to the otherwise serene landscape.

Average December Wind Speed in Yuannan

The chart displays monthly wind speed patterns in Yuannan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.61.92.21.92.21.91.81.51.22.82.62.7 m/s
Data source: Yuannan December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Yuannan Compares to Other Months

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

In December, temperatures range from a minimum of 4°C (39°F) to a maximum of 29°C (84°F), with an average temperature of 15°C (59°F). The month experiences relatively low precipitation, totaling 19 mm (0.8 in) over four days, and a humidity level of 69%. In contrast, January sees lower minimum temperatures, dropping to 0°C (33°F), while maintaining a similar maximum of 28°C (82°F) and an average of 14°C (58°F). Precipitation increases to 33 mm (1.3 in), although it still falls over just four days, and humidity decreases slightly to 64%. For a detailed look at the weather conditions in January, visit Yuannan weather in January.

December and February share similar average daily temperatures, both hovering around 15°C (59°F), with highs reaching 29°C (84°F) in December and slightly higher at 29°C (85°F) in February. However, February is noticeably wetter, receiving 53 mm (2.1 in) of precipitation over 8 days compared to December's 19 mm (0.8 in) across just 4 days. Additionally, December experiences a bit more humidity at 69%, while February's humidity is slightly lower at 68%. For a more detailed look at the weather conditions in February, you can check out Yuannan weather in February.

In December, the weather tends to be milder with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 29°C (84°F), accompanied by relatively low precipitation of 19 mm (0.8 in) over just 4 days. Humidity levels are around 69%, creating a comfortable atmosphere for outdoor activities. In contrast, March sees a noticeable increase in warmth, with average temperatures between 6°C (43°F) and 32°C (89°F). However, this month experiences significantly more rainfall, totaling 127 mm (5.0 in) across 14 days, leading to a slightly higher humidity level of 73%. For a detailed look at weather trends, you can visit Yuannan weather in March.

In December, the weather is notably milder, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 29°C (84°F) and an average of 15°C (59°F). Precipitation is relatively low at 19 mm (0.8 in) over just 4 days, and humidity levels sit at around 69%. In contrast, April brings warmer temperatures, experiencing a minimum of 9°C (48°F) and soaring up to a maximum of 33°C (92°F), with an average of 22°C (72°F). The month is considerably wetter, with 122 mm (4.8 in) of rain spread over 13 days and humidity slightly higher at 71%. For a detailed look at what to expect during this time, visit Yuannan weather in April.

December and May present distinctly different weather experiences. In December, temperatures range from a minimum of 4°C (39°F) to a maximum of 29°C (84°F), with an average of 15°C (59°F). The month is relatively dry, with only 19 mm (0.8 in) of precipitation over about 4 days, and a humidity level of 69%. In contrast, May is significantly warmer, with temperatures fluctuating between a minimum of 15°C (58°F) and a maximum of 36°C (98°F), averaging 26°C (79°F). This month is characterized by much higher rainfall, with 177 mm (7.0 in) spread over 18 days, accompanied by increased humidity at 79%. For more details on the weather in May, visit Yuannan weather in May.

When comparing the weather in December and June, a stark contrast emerges. December experiences milder temperatures, with a minimum of 4°C (39°F), an average of 15°C (59°F), and a maximum of 29°C (84°F). The month sees relatively low precipitation, accumulating only 19 mm (0.8 in) over about 4 days, and the humidity averages around 69%. In contrast, June is much warmer, with temperatures ranging from a minimum of 21°C (70°F) to a sweltering maximum of 37°C (98°F) and an average of 28°C (82°F). This month is significantly wetter, receiving 325 mm (12.8 in) of rain over approximately 26 days, contributing to a higher humidity level of 77%. For more details on the weather during this time, you can visit Yuannan weather in June.

In December, the weather is milder, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 29°C (84°F) and an average temperature of 15°C (59°F). Precipitation is relatively low at 19 mm (0.8 in) over just 4 days, and the humidity stands at 69%. In contrast, July experiences much warmer conditions, with temperatures ranging from a minimum of 24°C (75°F) to a scorching maximum of 37°C (98°F), averaging around 29°C (84°F). The month sees significant rainfall, with 168 mm (6.6 in) spread over 22 days, contributing to higher humidity levels at 88%. For a closer look at what to expect during July, check out Yuannan weather in July.

December and August present stark contrasts in weather patterns. In December, the temperatures range from a minimum of 4°C (39°F) to a maximum of 29°C (84°F), averaging around 15°C (59°F), making it considerably cooler. The month experiences relatively low precipitation at 19 mm (0.8 in) over just 4 days, with humidity at 69%. In contrast, August boasts much warmer temperatures, with a minimum of 23°C (74°F) and reaching up to 37°C (99°F), averaging 28°C (83°F). This month is characterized by significantly higher rainfall, totaling 246 mm (9.7 in) across 24 days, along with increased humidity at 88%. For more details on weather in August, you can check Yuannan weather in August.

In comparing the weather between December and September, December experiences a much cooler climate, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 29°C (84°F). It also has significantly less precipitation, totaling just 19 mm (0.8 in) over only 4 days, and a humidity level of 69%. In contrast, September is warmer, with average temperatures ranging from a minimum of 18°C (65°F) to a maximum of 35°C (96°F). This month sees far more rain, accumulating 136 mm (5.4 in) over 18 days, accompanied by a higher humidity of 75%. For more detailed insights on the weather in September, you can check Yuannan weather in September.

When comparing the weather between December and October, there are notable differences in temperature and precipitation. December experiences milder temperatures, with a minimum of 4°C (39°F) and a maximum of 29°C (84°F), averaging around 15°C (59°F). In contrast, October is warmer, featuring a minimum of 14°C (57°F) and a maximum of 35°C (95°F), with an average of 24°C (75°F). Precipitation is heavier in October, totaling 59 mm (2.3 in) across seven days, whereas December sees less, with only 19 mm (0.8 in) over four days. Additionally, December has a slightly higher humidity level at 69%, compared to October's 65%. For more details on the October weather, visit Yuannan weather in October.

In comparing the weather between November and December, we see a noticeable shift in temperature and humidity. December's minimum temperature drops to 4°C (39°F), while November's minimum remains significantly higher at 10°C (50°F). The average temperature also shows a decline from 20°C (68°F) in November to 15°C (59°F) in December, despite December's maximum reaching a similar high of 29°C (84°F) compared to November's 30°C (87°F). Additionally, while both months experience four days of precipitation, December receives slightly less rainfall at 19 mm (0.8 in) compared to November's 24 mm (0.9 in). Interestingly, December also sees a higher humidity level at 69%, compared to November's 64%. For more detailed insights into November weather, you can visit Yuannan weather in November.

Compare Yuannan's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Yuannan

December in Yuannan marks a notable shift in weather, offering a refreshing respite from the warmer months. With temperatures dipping and averaging around a cool 15°C, this month provides a pleasant contrast to the summer heat. The air is crisp, with humidity levels around 69%, making it ideal for outdoor activities. Although the region sees an average of just 19 mm of precipitation over four days, the relatively dry conditions encourage exploration and enjoyment of Yuannan's picturesque landscapes. To delve deeper into the region's unique climate patterns, visit Yuannan Climate.