Last updated: August 21, 2025
In January, Yuannan, China experiences a wide temperature range, with maximums reaching 22°C (72°F), averages around 7°C (45°F), and minimums dropping to -4°C (25°F). This month typically brings 49 mm (1.9 in) of precipitation over about 8 days, contributing to the region's lush landscapes. With an average humidity level of 65%, January in Yuannan can feel quite crisp, making it a unique time to explore the area’s scenic beauty while enjoying the fresh winter air.
In January, Yuannan, China experiences a dramatic range of temperatures, with a chilly minimum of -4°C (25°F) contrasting an inviting maximum of 22°C (72°F), culminating in an average of 7°C (45°F). This month marks the transition from the colder winter months into a gradual warming trend; temperatures rise steadily through February and into March, when the average reaches a pleasant 14°C (57°F) as the region bursts into spring-like warmth. As the month progresses into April and May, temperatures escalate significantly, showcasing Yuannan's ability to shift from winter's chill to pleasant and even hot summer days, peaking at 36°C (96°F) by late spring. Overall, the data reveals a clear trend of rising temperatures as the year progresses, transforming Yuannan from a cold winter haven into a vibrant and warm destination by early summer.
In January, Yunnan, China experiences relatively mild precipitation, with an average of 49 mm (1.9 in) spread over approximately 8 days. This marks the beginning of a gradual upward trend in rainfall, as the region transitions into the wetter months ahead. As winter gives way to spring, February sees an increase to 80 mm (3.2 in), and the precipitation continues to rise significantly through the spring into summer, peaking in June at 322 mm (12.7 in). The trend indicates that while January is one of the drier months, it paves the way for progressively wetter conditions, culminating in heavy rainfall during the lush summer months. Such variations highlight the distinct seasonal shifts that characterize Yunnan's climate, making it a region of dynamic atmospheric change.
In January, Yuannan, China experiences a moderate humidity level of 65%, setting the stage for the gradual increase that follows. As the month transitions into February, humidity rises slightly to 69%, hinting at the forthcoming moisture-rich spring. By March, the humidity climbs more significantly to 81%, marking the beginning of a noticeable trend toward higher levels. This increase continues through the spring and summer, reaching a peak of 89% in July, creating a lush, verdant atmosphere. Interestingly, August retains this moisture at 86%, before a marked decrease begins in September and October, both dropping to 62%. As the year concludes, November sees a slight uptick to 71%, followed by a final rise to 75% in December. This cyclical pattern highlights Yuannan's humid climate, transforming dramatically from the dry winter months to the lush, humid conditions of summer.
In Yunnan, China, January marks the beginning of a notable upward trend in UV exposure, with a UV Index of 6 categorized as high, leading to a recommended burn time of 25 minutes. As the months progress, the UV levels soar, peaking in the summer with extreme values reaching 13 in July, where the burn time shrinks to just 10 minutes. This dramatic increase in UV intensity continues through August and September, indicating the necessity for heightened sun protection. By October, there’s a slight easing to a UV Index of 9, transitioning back to very high levels, before dropping to more moderate values in November and December. For more detailed information on UV levels throughout the year, visit Yuannan UV Index.
UV Risk Categories
In January, Yunnan, China, basks in a modest 143 hours of sunshine, setting the stage for a gradual increase in brightness as the year unfolds. By February, daylight extends to 178 hours, hinting at the warmth to come. This upward trend peaks spectacularly during the summer months, particularly in July and August when the region enjoys a sun-drenched 293 and 316 hours, respectively. However, as autumn approaches, the hours of sunshine begin to wane, dropping to 263 hours in September and further decreasing to 186 hours by December. This seasonal dance of light showcases Yunnan's varied climate, inviting both residents and travelers to embrace its changing beauty throughout the year.
In Yunnan, China, January offers a notable 55% chance of sunny weather, setting it apart as one of the brighter months of the year. As winter gives way to spring, this likelihood declines, with February dropping to 38% and continuing to fall through the spring months. Interestingly, September emerges as the peak for sunny days, boasting a 65% chance, while the summer months of June and July see a dip back down to 17%. Overall, while January presents a solid opportunity for brighter skies, the region's weather patterns reveal a dynamic rhythm, where clear days become increasingly scarce before they surge again in the fall.
In Yunnan, China, January marks the beginning of a gradual transition into longer days, with approximately 10 hours of daylight. This duration increases steadily throughout the early months of the year, reaching 11 hours in February and March, and then blossoming into 12 hours by April. As spring unfolds into summer, daylight peaks at an abundant 13 hours from May through August. In September, daylight begins to wane slightly, retreating to 12 hours before tapering off to 11 hours in October and finally returning to 10 hours in the late fall and winter months of November and December. This rhythmic pattern showcases the seasonal shifts in Yunnan's sunlight, highlighting the region’s vibrant natural transitions.
In January, the wind in Yunnan, China, begins the year with a gentle whisper, as the average wind speed settles at 1.8 m/s (approximately 4 mph). This slight breeze is characteristic of the winter months, which often see consistent speeds hovering around this mark. As the seasons shift towards spring, February to April maintain a similar calm, while May sees a slight lightening in wind intensity. July ushers in a mild increase to 2.0 m/s (5 mph), marking the peak for the year, perhaps hinting at the energizing effects of summer. However, as autumn descends, the wind calms once again, reiterating the serene and stable climate that Yunnan is renowned for, with speeds returning to familiar lows by December. This data reflects a seasonal cadence where the wind remains relatively gentle, fostering the region’s tranquil atmosphere.
Weather in Yuannan varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Yuannan, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, temperatures typically range from a minimum of -4°C (25°F) to a maximum of 22°C (72°F), with an average temperature of 7°C (45°F). The month sees 49 mm (1.9 in) of precipitation over about 8 days, accompanied by a humidity level of 65%. In contrast, February experiences slightly warmer conditions, with minimum temperatures of -3°C (27°F) and maximums reaching 26°C (80°F), resulting in an average of 9°C (48°F). Precipitation increases to 80 mm (3.2 in) across about 12 days, and humidity rises to 69%. This shows a clear trend of increasing warmth and moisture as winter transitions into early spring. For more detailed insights on February weather, you can visit Yuannan weather in February.
January and March display contrasting weather patterns. In January, temperatures generally range from a minimum of -4°C (25°F) to a maximum of 22°C (72°F), with an average of 7°C (45°F). The month experiences moderate precipitation, totaling 49 mm (1.9 in) over about 8 days, coupled with a humidity level of 65%. In sharp contrast, March sees a significant rise in temperatures with a minimum of 3°C (38°F) and a maximum of 30°C (86°F), averaging 14°C (57°F). However, it also brings a notable increase in precipitation, reaching 192 mm (7.6 in) across approximately 20 days and an elevated humidity level of 81%. For more details on March weather, visit Yuannan weather in March.
In January, the weather typically features a wide range in temperatures, with a minimum of -4°C (25°F) and a maximum reaching up to 22°C (72°F). The month sees relatively low precipitation, averaging 49 mm (1.9 in) over about 8 days, and maintaining a humidity level of 65%. In contrast, April ushers in significantly warmer conditions, with temperatures ranging from a minimum of 6°C (44°F) to a maximum of 33°C (91°F). However, it also brings increased rainfall, accumulating 182 mm (7.2 in) over 18 days, and higher humidity at 82%. This shift highlights the transition from the chill of winter to the warmer, more humid days of spring. For more insights on the April weather in the region, you can visit Yuannan weather in April.
In January, temperatures tend to be quite cool, with a minimum of -4°C (25°F) and an average of 7°C (45°F), reaching a maximum of 22°C (72°F). The month experiences approximately 49 mm (1.9 in) of precipitation over 8 days, accompanied by a humidity level of 65%. In contrast, May brings warmer weather, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 36°C (96°F), and an average of 23°C (73°F). Unfortunately, May also sees a significant increase in rainfall, with 260 mm (10.3 in) recorded over 19 days and higher humidity at 86%. For more detailed information on the weather during this time, you can check Yuannan weather in May.
January weather in Yuannan is characterized by relatively cool temperatures, where the minimum can drop to -4°C (25°F) and the average settles around 7°C (45°F). This month typically experiences about 49 mm (1.9 in) of precipitation over 8 days, accompanied by a humidity level of 65%. In stark contrast, June brings much warmer conditions, with temperatures ranging from a minimum of 17°C (64°F) to a scorching maximum of 36°C (97°F) and an average of 26°C (79°F). The month sees a significant increase in precipitation, totaling 322 mm (12.7 in) over about 20 days, along with heightened humidity levels at 86%. For more details about June weather in Yuannan, visit Yuannan weather in June.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 22°C (72°F) and an average temperature of 7°C (45°F). The month sees about 49 mm (1.9 in) of precipitation over approximately 8 days, accompanied by a moderate humidity of 65%. In stark contrast, July is characterized by warm and humid conditions, with temperatures that range from a minimum of 20°C (69°F) to a maximum of 38°C (100°F), averaging around 29°C (84°F). During this month, precipitation significantly increases to 224 mm (8.8 in) over about 14 days, with humidity levels rising to 89%. For more details on July's weather, you can visit Yuannan weather in July.
January and August showcase stark contrasts in weather. January experiences cooler temperatures, with a minimum of -4°C (25°F) and an average of 7°C (45°F), peaking at 22°C (72°F). The month sees about 49 mm (1.9 in) of precipitation over 8 days, accompanied by a moderate humidity level of 65%. In contrast, August is characterized by warmth and humidity, featuring minimum temperatures of 22°C (72°F) and averages reaching up to 29°C (84°F), with maximums soaring to 37°C (99°F). With 110 mm (4.3 in) of rainfall over 14 days and a humidity level of 86%, August feels significantly more tropical. For more detailed insights, check out Yuannan weather in August.
In January, the weather is significantly cooler, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 22°C (72°F), and an average of 7°C (45°F). Precipitation is relatively lower at 49 mm (1.9 in) over about 8 days, while humidity sits at 65%. In contrast, September brings much warmer conditions, with a minimum temperature of 16°C (62°F), averaging 26°C (79°F), and peaking at 37°C (99°F). The month sees increased rainfall, totaling 80 mm (3.1 in) across 12 days, accompanied by slightly lower humidity at 62%. For more detailed insights into the weather during September, you can visit Yuannan weather in September.
In January, temperatures can drop to a chilly minimum of -4°C (25°F) and usually hover around an average of 7°C (45°F), with a maximum of 22°C (72°F). The month sees about 49 mm (1.9 in) of precipitation over 8 days, accompanied by a humidity level of 65%. In contrast, October experiences milder weather, with minimum temperatures starting at 9°C (49°F) and average highs reaching 19°C (67°F), peaking at a warm 36°C (97°F). Despite slightly less precipitation at 40 mm (1.6 in) also over 8 days, the humidity is slightly lower at 62%. For a more detailed look at this month, visit Yuannan weather in October.
When comparing January and November weather, notable differences in temperature and humidity become apparent. January typically experiences cooler temperatures, with a minimum of -4°C (25°F) and an average of 7°C (45°F), while November enjoys milder conditions, featuring a minimum of 3°C (37°F) and an average of 14°C (58°F). Moreover, November tends to be slightly wetter, with a total precipitation of 67 mm (2.6 in) over about 9 days, compared to January's 49 mm (1.9 in) across 8 days. Humidity levels are also higher in November, averaging 71% compared to January's 65%. For a more in-depth look at weather specifics in November, check out Yuannan weather in November.
In January, the weather features a minimum temperature of -4°C (25°F) and a maximum of 22°C (72°F), with an average temperature of 7°C (45°F). The month sees about 49 mm (1.9 in) of precipitation over 8 days and maintains a humidity level of 65%. In contrast, December presents slightly milder conditions, with a minimum of -2°C (29°F), a maximum of 23°C (74°F), and an average temperature of 9°C (48°F). Precipitation is slightly higher at 51 mm (2.0 in) across 9 days, accompanied by increased humidity at 75%. For more details on December weather in Yuannan, you can check Yuannan weather in December.
As January breaks the icy grip of winter, Yuannan experiences a distinct chill compared to other months, marked by its crisp temperatures and notable precipitation. The city's climate showcases a refreshing coolness, with an average temperature that hovers lower than the balmy days of spring and summer. Despite the drop in temperatures, the days remain relatively humid, adding an invigorating freshness to the air. With around eight days of rainfall, January proves to be a month of transition—an invitation to explore the serene landscapes before the warmth returns. For a deeper look at what to expect throughout the year, check out Yuannan Climate.