Last updated: August 21, 2025
May in Yunnan, China presents a delightful yet humid climate, characterized by maximum temperatures soaring up to 36°C (96°F), while the average hovers around a comfortable 23°C (73°F). As the month unfolds, residents and visitors alike can expect a minimum temperature of 11°C (51°F) during cooler nights. With precipitation levels reaching 260 mm (10.3 in) over 19 rainy days, the lush landscapes are nourished, contributing to Yunnan's vibrant natural beauty. Coupled with a high humidity level of 86%, May invites an experience that is both refreshing and rich in the region's signature charm.
In Yuannan, China, May marks a delightful transition into warmer weather, showcasing a significant temperature boost as spring unfolds. With nighttime lows averaging 11°C (51°F) and daytime highs soaring to 36°C (96°F), this month contrasts sharply with the chill of winter months. The average temperature settles comfortably around 23°C (73°F), indicating a pleasing balance for outdoor pursuits. As the lush greenery thrives and flowers bloom, May's warmth serves as a precursor to the impending summer, characterized by rising temperatures in June that consistently hover around 26°C (79°F). This gradual escalation in heat invites both locals and travelers to embrace the vibrant landscapes and cultural festivities that Yuannan has to offer.
In May, Yunnan, China, experiences a significant surge in precipitation, with a remarkable 260 mm (10.3 in) of rainfall falling over 19 days. This marks a peak in the region's wet season, following a steady increase in precipitation since the beginning of the year. The rainy trend is starkly visible as May's amounts outstrip the preceding months, including April's 182 mm and March's 192 mm. As the lush landscapes flourish under the abundant rainfall, May not only sets the stage for the wettest months ahead but also contributes to the region’s rich biodiversity and agricultural productivity. This pattern highlights Yunnan's role in offering a vibrant tapestry of natural beauty during this pivotal month.
May in Yunnan, China, marks a significant peak in humidity, reaching 86%—a level that sets the stage for the region's lush, vibrant landscapes. This month is emblematic of a broader trend, as humidity steadily increases from the year's early months, beginning at 65% in January and climbing through a gradual rise to 82% in April. Once May arrives, the humidity remains high through June, suggesting a transition into the sultry summer months. Interestingly, this mid-year spike contrasts sharply with the drier conditions experienced in September and October, where humidity dips to just 62%. The climatic rhythm in Yunnan underscores the enchanting blend of verdant growth and seasonal transitions that define the area's natural beauty.
In May, Yuannan, China, experiences one of its highest UV Index levels, peaking at 12, which falls into the extreme exposure category. With a burn time of just 10 minutes, this data highlights the need for vigilant sun protection during this month. Following a gradual increase from January's high index of 6, the UV intensity spikes in April and May, remaining at its peak through June. This trend indicates an urgent necessity for outdoor enthusiasts to prioritize skin safety as the region transitions into the summer months. Staying informed about the UV Index is essential for enjoying the beautiful outdoors while minimizing health risks—learn more at Yuannan UV Index.
UV Risk Categories
May heralds a radiant peak of sunshine in Yunnan, China, as the hours of sunlight soar to an impressive 255 hours. This growth in daylight is part of a charming trend, beginning with a modest 143 hours in January, gradually building up each month. From April's 207 hours, the journey into summer showcases the vibrant energy of May before it reaches an even more striking 316 hours in August. However, as autumn approaches, the sunlight begins to retreat steadily, with hours dipping back to 197 hours in both October and November. This rhythmic dance of daylight celebrates the beauty of Yunnan's changing seasons, inviting visitors to bask in its warmth and resplendent landscapes.
In Yunnan, China, the likelihood of sunny weather experiences a notable decline as spring transitions into summer, with just a 17% chance of sunshine in May. This dip follows an already low probability from the previous months, indicating that April and May are less favorable for sun-seekers. In contrast, September offers a striking rebound to 65%, showcasing the region's sunnier disposition as summer fades. It's clear that while May can be somewhat gray, the promise of a brighter season is just a few months away, giving visitors and locals something to look forward to later in the year.
In Yunnan, China, daylight duration exhibits a distinct seasonal rhythm throughout the year. Starting in January with just 10 hours of sunlight, the days gradually lengthen, reaching 11 hours by February and March. As spring unfolds, April welcomes an increase to 12 hours, setting the stage for the sunniest month, May, which boasts 13 hours of daylight. This peak in illumination continues through the summer months of June, July, and August, providing ample sunlight for outdoor activities and vibrant local festivals. As autumn approaches, the days begin to shorten again, with September and October seeing a gradual decline back to 11 hours, before settling into the quieter winter months of November and December, where daylight wanes once more to 10 hours. This cyclical pattern of daylight not only influences the climate but also enriches the cultural and agricultural life of the region.
In May, the winds of Yunnan, China showcase a gentle consistency, with an average speed of 1.6 m/s (4 mph), aligning closely with the preceding months. This slight dip from April's 1.7 m/s reflects a trend of modest fluctuations in wind speed as the region transitions into the warmer summer months. Notably, July brings a breath of change with an increase to 2.0 m/s (5 mph), marking the onset of a more dynamic wind pattern. Overall, while May maintains the calm essence characteristic of springtime, it sets the stage for the invigorating breezes that follow in the summer, inviting exploration and outdoor adventures amidst Yunnan's stunning landscapes.
Weather in Yuannan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Yuannan, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present stark contrasts in weather conditions. In May, temperatures soar, with a minimum of 11°C (51°F) and an average of 23°C (73°F), peaking at a scorching 36°C (96°F). However, this month is also marked by considerable precipitation, totaling 260 mm (10.3 in) over 19 days, coupled with high humidity at 86%. In contrast, January experiences significantly cooler temperatures, ranging from a minimum of -4°C (25°F) to a maximum of 22°C (72°F), with an average of only 7°C (45°F). Precipitation is minimal in January, with just 49 mm (1.9 in) over 8 days, and humidity levels are lower at 65%. For more detailed information, you can visit Yuannan weather in January.
May and February present a stark contrast in weather conditions. In May, temperatures soar, with minimums averaging 11°C (51°F) and reaching highs of up to 36°C (96°F). This month also sees significant rainfall, accumulating around 260 mm (10.3 inches) over about 19 days, and high humidity levels at 86%. In contrast, February is much cooler, with temperatures ranging from a chilly minimum of -3°C (27°F) to a milder maximum of 26°C (80°F). Precipitation is considerably less, totaling around 80 mm (3.2 inches) across 12 days, accompanied by a lower humidity level of 69%. For more detailed information, you can check out Yuannan weather in February.
May's weather is generally warmer and more humid compared to March. With temperatures ranging from a minimum of 11°C (51°F) to a maximum of 36°C (96°F), May offers an average temperature of 23°C (73°F), presenting a significant increase over March's milder range of 3°C (38°F) to 30°C (86°F) and an average of 14°C (57°F). Additionally, May experiences higher precipitation levels at 260 mm (10.3 in) over 19 days, while March sees 192 mm (7.6 in) of rain across 20 days. The humidity in May also rises to 86%, compared to March's 81%, making May feel more tropical in nature. For those interested in learning more about the weather conditions in March, you can visit Yuannan weather in March.
May features significantly warmer temperatures compared to April, with minimums rising from 6°C (44°F) in April to 11°C (51°F) in May, and average highs escalating from 33°C (91°F) to a peak of 36°C (96°F). Despite the rise in temperature, May experiences a considerable increase in precipitation, with 260 mm (10.3 in) of rain over 19 days, compared to April's 182 mm (7.2 in) across 18 days. The humidity also rises slightly, from 82% in April to 86% in May, creating a more humid atmosphere as the month progresses. For further insights into April's weather, visit Yuannan weather in April.
May and June display notable differences in weather patterns. In May, temperatures range from a minimum of 11°C (51°F) to a maximum of 36°C (96°F), with an average of 23°C (73°F). The month experiences substantial rainfall, totaling 260 mm (10.3 in) over 19 days, with humidity consistently at 86%. In contrast, June sees a warmer minimum temperature of 17°C (64°F) and a higher average temperature of 26°C (79°F), while still peaking at 36°C (97°F). Rainfall increases to 322 mm (12.7 in) over 20 days, maintaining the same humidity level of 86%. For more detailed insights, you can check Yuannan weather in June.
May and July exhibit distinct weather characteristics, showcasing the transition from spring to summer. In May, temperatures range from a cooler minimum of 11°C (51°F) to a warm maximum of 36°C (96°F), with an average of 23°C (73°F). This month also sees significant rainfall, with 260 mm (10.3 in) of precipitation spread over 19 days, contributing to a high humidity level of 86%.
In contrast, July is warmer and drier, registering minimum temperatures of 20°C (69°F) and maximums reaching up to 38°C (100°F), with an average temperature of 29°C (84°F). The total precipitation in July is slightly lower at 224 mm (8.8 in) over 14 days, accompanied by a marginally higher humidity of 89%. For more detailed information, you can check Yuannan weather in July.
May and August exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 11°C (51°F) to a maximum of 36°C (96°F), with an average of 23°C (73°F). This month also experiences significant rainfall, totaling 260 mm (10.3 in) over 19 days, contributing to a high humidity level of 86%. Conversely, August features milder minimum temperatures, starting at 22°C (72°F) and peaking at 37°C (99°F) with an average of 29°C (84°F). Rainfall is considerably less in August, with only 110 mm (4.3 in) recorded over 14 days, yet the humidity remains steady at 86%. For more details on the weather during this month, refer to Yuannan weather in August.
May and September present distinct weather patterns, showcasing the transition from spring’s lush humidity to the onset of late summer. In May, temperatures range from a minimum of 11°C (51°F) to a sweltering maximum of 36°C (96°F), with an average of 23°C (73°F). This month is characterized by high humidity at 86% and significant rainfall, totaling 260 mm (10.3 in) over 19 days. In contrast, September offers warmer nights with a minimum of 16°C (62°F) and an average temperature of 26°C (79°F), peaking at 37°C (99°F). Rainfall drops dramatically to 80 mm (3.1 in) over just 12 days, accompanied by a more comfortable humidity level of 62%. For a deeper dive into September's climate specifics, you can check Yuannan weather in September.
May and October present contrasting weather patterns. In May, temperatures range from a minimum of 11°C (51°F) to a maximum of 36°C (96°F), with an average of 23°C (73°F). This month also experiences a significant amount of rainfall, totaling 260 mm (10.3 in) over about 19 days and high humidity at 86%. In contrast, October has a milder climate with temperatures varying from 9°C (49°F) to 36°C (97°F), averaging 19°C (67°F). Rainfall drops dramatically to 40 mm (1.6 in) spread over just 8 days, and humidity decreases to 62%. For a more detailed look at October weather, you can visit Yuannan weather in October.
May and November present contrasting weather characteristics, highlighting the transition from spring to autumn. In May, temperatures range from a minimum of 11°C (51°F) to a scorching maximum of 36°C (96°F), with an average of 23°C (73°F). The month is marked by significant rainfall, totaling 260 mm (10.3 in) over 19 days and high humidity levels of 86%. In contrast, November experiences cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 29°C (85°F), averaging 14°C (58°F). Precipitation is also considerably lower at 67 mm (2.6 in) over just 9 days, and humidity drops to 71%. For more detailed insights on November's climate, visit Yuannan weather in November.
May and December present contrasting weather patterns. In May, temperatures range dramatically from a minimum of 11°C (51°F) to a high of 36°C (96°F), with an average of 23°C (73°F). This month also sees significant rainfall, totaling 260 mm (10.3 in) over 19 days, and high humidity at 86%. On the other hand, December experiences much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 23°C (74°F), averaging just 9°C (48°F). Precipitation is considerably lower at 51 mm (2.0 in) over 9 days, and humidity is also reduced to 75%. For a deeper look at December weather specifically, you can check Yuannan weather in December.
As May unfolds in Yuannan, the weather presents a captivating transition from the cooler whispers of spring to the vibrant warmth of early summer. The average temperature comfortably hovers around a pleasant 23°C (73°F), contrasting with the extremes that can peak at a sweltering 36°C (96°F), making it a perfect time for outdoor adventures. Although May experiences an uptick in precipitation, with about 19 rainy days contributing to the substantial 260 mm (10.3 in) of rainfall, this moisture nourishes the lush landscapes that Yuannan is renowned for. The high humidity levels at 86% may feel intense, but they also create a rich and vibrant atmosphere, setting the stage for the abundant flora and fauna to blossom. For more insights into Yuannan's climate throughout the year, visit Yuannan Climate.