May Weather in Yuannan, China

Last updated: August 21, 2025

May in Yunnan, China is characterized by a warm climate, with temperatures ranging from a maximum of 36°C (98°F) to a minimum of 15°C (58°F), bringing an average of 26°C (79°F). However, this month also sees considerable precipitation, totaling 177 mm (7.0 in) over approximately 18 days, contributing to an overall humidity level of 79%. The combination of warmth and steady rainfall creates a lush environment, making May an essential month for agriculture and abundant natural beauty in this vibrant region.

May Temperature in Yuannan

In May, Yunnan, China basks in the warmth of spring, with temperatures showing a noticeable upward trend compared to the earlier months. The minimum temperature rises to a comfortable 15°C (58°F), while the average climbs to a pleasant 26°C (79°F), making it an ideal time for outdoor adventures. The peak reaches a sizzling 36°C (98°F), hinting at the summer heat that's just around the corner. This month marks a transition, where the coolness of winter is replaced by vibrant warmth, inviting visitors to enjoy the blooming landscape and longer daylight hours. As the days grow hotter, Yunnan's charm continues to flourish, offering a delightful escape for those seeking both culture and nature.

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

The chart illustrates May 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, May 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.

May Precipitation in Yuannan

May in Yunnan, China, marks a significant uptick in precipitation, with an average of 177 mm (7.0 in) of rainfall over approximately 18 days. This surge not only continues the upward trend set in April but also sets the stage for the region's lush summer landscape. After the relatively dry months of January through March, the consistent rainfall in May signals the onset of the monsoon season, transitioning into June’s peak precipitation of 325 mm (12.8 in). As the season progresses, the frequency and intensity of rain increases, with May showcasing a crucial balance between vibrant growth and the promise of wetter days ahead.

May Precipitation Trends in Yuannan

The chart displays monthly precipitation patterns in Yuannan, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Yuannan, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec3353127122177325168246136592419
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Yuannan

As spring transitions into summer, May in Yunnan, China experiences a noticeable rise in humidity, reaching 79%. This uptick follows a gradual increase from 64% in January, underscoring the region's trend toward a more humid climate as the year progresses. After peaking in July and August at 88%, May serves as a pivotal month, marking a significant shift from the cooler, drier months of winter and early spring. The humidity then tapers slightly in June, but it remains high throughout summer, suggesting a lush, vibrant environment that often accompanies this time of year. Overall, May stands out as a definitive signal of the impending warm season, impacting everything from local ecosystems to daily life for residents and visitors alike.

May Average Humidity in Yuannan

This chart illustrates the average monthly humidity levels in Yuannan, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, 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 May generated using information from the Copernicus Climate Change Service.

May UV Index in Yuannan

As we delve into the UV Index trends in Yunnan, China, May stands out with a striking UV Index of 14, categorizing it firmly in the extreme exposure zone. This marks a continuation of high intensity from the previous months, particularly April and March, both registering an index of 12. With a burn time of just 10 minutes, the sun’s rays are unrelenting, emphasizing the need for protective measures during this month. Following May's peak, the UV levels slightly taper off in June and July, yet remain firmly in the extreme category, suggesting that May is not only the pinnacle of UV intensity but also a precursor to a summer that demands vigilance against sun exposure. For more detailed UV Index information, visit Yuannan UV Index.

Maximum UV Index Levels in Yuannan for May

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

May Sunshine in Yuannan

In Yunnan, China, the month of May shines particularly bright, boasting an impressive 270 hours of sunshine. This lush and picturesque region experiences a steady increase in sunshine hours as the year progresses, with January starting at a modest 209 hours. The trend continues upward, peaking in the summer months, with July basking in a radiant 304 hours. Notably, May stands out as a vibrant prelude to summer, showcasing the delightful transition with longer days and brighter skies. Following this peak, sunshine hours slightly dip but remain consistently high through the fall, with October and November still delivering a respectable 270 and 252 hours, respectively. This pattern of gradual increase and subsequent stability not only enhances Yunnan's natural beauty but also highlights its appeal for outdoor adventures during the sun-drenched days of late spring and summer.

Monthly Sunshine Duration in Yuannan: May Highlighted

The May sunshine duration represents the total number of hours Yuannan experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec209h233h240h225h270h229h304h280h280h270h252h264h
Data source: Yuannan May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Yuannan During May

As May unfolds in Yuannan, China, the likelihood of sunny weather takes a noticeable dip, with only a 23% chance of basking in the sunshine. This marks a stark contrast to the sunnier months at the beginning of the year, particularly January's 72% and February's 62%. Following a trend of decreasing sun chances, April sees a significant drop to 33%, culminating in the relatively overcast May. As spring transitions into early summer, residents and visitors alike should prepare for the possibility of clouds taking center stage, with sunniest days becoming a rarer delight.

Percentage of Sunny Days in May in Yuannan

The chart illustrates the percentage of sunny days in Yuannan throughout the year, with May 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 May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Yuannan in May

As spring transitions into summer, Yunnan, China experiences a delightful increase in daylight duration. Starting with a modest 10 hours in January, the days gradually lengthen, reaching 11 hours in February and 12 hours by March. This steady climb continues into April, maintaining the 12-hour mark before peaking in May and June at an enticing 13 hours of daylight. As the summer months progress, daylight begins to wane slightly, with August and September still enjoying a generous 12 hours. By October, daylight retreats to 11 hours, and the cycle concludes with 10 hours in both November and December. Overall, the rhythmic ebb and flow of daylight in Yunnan not only marks the changing seasons but also invites residents and visitors alike to bask in the warmth and vibrancy of longer days.

Average Daylight Hours in Yuannan for May

The chart illustrates the variation in daylight duration in Yuannan throughout the year, with May 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.

May Winds in Yuannan

In May, Yunnan, China, experiences a gentle breeze with an average wind speed of 2.2 m/s (5 mph), mirroring the mild conditions seen in March. As spring unfolds, the wind picks up slightly compared to the preceding months, like April and February, where it dipped to around 1.9 m/s (4 mph). This increase signals a shift towards warmer, more dynamic weather patterns that prepare the region for the onset of summer. Interestingly, the winds reach their peak average in October, suggesting that while spring features a serene atmosphere, the autumn months promise a more invigorating experience. Overall, the wind speeds during May contribute to Yunnan's pleasant climate, making it an ideal time for outdoor exploration and enjoyment.

Average May Wind Speed in Yuannan

The chart displays monthly wind speed patterns in Yuannan, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.61.92.21.92.2 m/s1.91.81.51.22.82.62.7
Data source: Yuannan May wind data, generated using information from the Copernicus Climate Change Service.

How May 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 May’s weather to other months in Yuannan, focusing on differences in temperature, rainfall, humidity, and UV levels.

In comparing the weather between May and January, we see a significant contrast. May experiences much warmer temperatures, with a minimum of 15°C (58°F) and an average high of 36°C (98°F), while January's temperatures range from a chilly 0°C (33°F) to a maximum of 28°C (82°F). Additionally, May is characterized by high humidity at 79%, compared to January’s lower humidity level of 64%. Precipitation also dramatically differs; May sees 177 mm (7.0 in) over 18 days, whereas January has only 33 mm (1.3 in) of rain spread over 4 days. For more details on January weather, you can refer to Yuannan weather in January.

May and February showcase stark contrasts in weather. May typically experiences warmer temperatures, with overnight lows averaging 15°C (58°F) and daytime highs reaching up to 36°C (98°F). The month is also characterized by significant rainfall, with 177 mm (7.0 in) spread over 18 days and a high humidity level of 79%. In contrast, February has much cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 29°C (85°F). Precipitation during February is significantly lower at 53 mm (2.1 in) over just 8 days, accompanied by a humidity of 68%. For more details on February weather in this region, check Yuannan weather in February.

In comparison to March, May typically experiences significantly warmer temperatures, with a minimum of 15°C (58°F) and an average high of 36°C (98°F), while March's temperatures range from a minimum of 6°C (43°F) to a maximum of 32°C (89°F). Additionally, May is marked by increased precipitation, averaging 177 mm (7.0 in) over 18 days, in contrast to March's 127 mm (5.0 in) across 14 days. The humidity levels also rise in May to 79%, compared to the more moderate 73% in March. For those interested in more details, you can refer to Yuannan weather in March.

In comparison to April, May typically experiences warmer temperatures with a minimum of 15°C (58°F) and an average of 26°C (79°F), compared to April's minimum of 9°C (48°F) and average of 22°C (72°F). The maximum temperatures also rise in May, reaching up to 36°C (98°F), whereas April peaks at 33°C (92°F). Additionally, May sees increased rainfall, averaging 177 mm (7.0 in) over 18 days, in contrast to April's 122 mm (4.8 in) across 13 days. Humidity levels rise slightly in May to 79%, compared to 71% in April, contributing to a more humid feel. For more details on April weather specifics, you can check out Yuannan weather in April.

May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 15°C (58°F) to a maximum of 36°C (98°F), with an average of 26°C (79°F). The month experiences significant rainfall, totaling 177 mm (7.0 in) over 18 days, accompanied by a humidity level of 79%.

In contrast, June witnesses higher minimum temperatures, starting at 21°C (70°F) and reaching up to 37°C (98°F), with an average of 28°C (82°F). Precipitation rises sharply to 325 mm (12.8 in) over 26 days, while humidity slightly decreases to 77%. Thus, June is not only warmer but also wetter compared to May. For more detailed insights on June weather, you can visit Yuannan weather in June.

May and July exhibit notable differences in weather patterns. In May, temperatures range from a minimum of 15°C (58°F) to a maximum of 36°C (98°F), with an average of 26°C (79°F). The month experiences significant precipitation, totaling 177 mm (7.0 in) over about 18 days, with a humidity level of 79%. In contrast, July sees higher minimum and average temperatures, starting at 24°C (75°F) and averaging 29°C (84°F), while the maximum also peaks at 37°C (98°F). Although July has slightly less total rainfall at 168 mm (6.6 in), it is spread over more days, approximately 22 days, and features a higher humidity level of 88%. For more detailed insights about July weather, you can visit Yuannan weather in July.

In May, temperatures start with a minimum of 15°C (58°F) and peak at 36°C (98°F), averaging around 26°C (79°F). The month is characterized by significant rainfall, totaling 177 mm (7.0 in) over 18 days, and a humidity level of 79%. In contrast, August experiences warmer conditions, with a minimum temperature of 23°C (74°F) and a maximum of 37°C (99°F), averaging 28°C (83°F). Precipitation increases to 246 mm (9.7 in) and occurs over 24 days, accompanied by higher humidity at 88%. For a more detailed look at the weather during this time, you can check Yuannan weather in August.

In May, the weather is characterized by warmer temperatures, with a minimum of 15°C (58°F) and an average high of 36°C (98°F). The month also sees significant rainfall, totaling 177 mm (7.0 in) over 18 days, accompanied by high humidity levels of 79%. In contrast, September experiences slightly cooler temperatures, with a minimum of 18°C (65°F) and an average high of 35°C (96°F). Although September also has rainfall across 18 days, it is less than in May, with a total of 136 mm (5.4 in) and a modest drop in humidity to 75%. This transition from May to September highlights a shift towards drier and slightly cooler conditions. For more details on weather in September, you can visit Yuannan weather in September.

In comparing the weather of May and October, it is clear that both months display unique characteristics. May experiences warmer temperatures, ranging from a minimum of 15°C (58°F) to a maximum of 36°C (98°F), with an average of 26°C (79°F). However, it also brings substantial rainfall, totaling 177 mm (7.0 in) over 18 days, and higher humidity at 79%.

In contrast, October is slightly cooler, with temperatures ranging from 14°C (57°F) to 35°C (95°F) and an average of 24°C (75°F). This month experiences significantly less precipitation, accumulating just 59 mm (2.3 in) over only 7 days, and features a decrease in humidity to 65%. Overall, October offers more comfortable weather conditions with less rainfall, making it a desirable month for outdoor activities. For more details, check out Yuannan weather in October.

May and November present contrasting weather conditions. In May, temperatures range from a minimum of 15°C (58°F) to a maximum of 36°C (98°F), with an average temperature of 26°C (79°F). The month is characterized by higher humidity at 79% and considerable rainfall, receiving about 177 mm (7.0 in) over 18 days. In comparison, November's climate is much milder, with temperatures varying from a minimum of 10°C (50°F) to a maximum of 30°C (87°F) and an average of 20°C (68°F). Additionally, November experiences significantly less precipitation, totaling only 24 mm (0.9 in) over just 4 days and a drop in humidity to 64%. For a detailed overview of the weather in November, you can explore Yuannan weather in November.

May and December present vastly different weather conditions. In May, temperatures range from a minimum of 15°C (58°F) to a scorching maximum of 36°C (98°F), with an average temperature of 26°C (79°F). This month is also characterized by significant rainfall, totaling 177 mm (7.0 in) over about 18 days, contributing to a high humidity of 79%.

In contrast, December's weather is much cooler and drier, with temperatures ranging from a low of 4°C (39°F) to a high of 29°C (84°F) and an average of 15°C (59°F). Precipitation drops dramatically to just 19 mm (0.8 in) spread over only 4 days, and humidity levels decrease to 69%. For more details on December weather, you can visit Yuannan weather in December.

Compare Yuannan's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Yuannan

In May, Yuannan transforms into a vibrant tapestry of warmth and moisture, making it distinct from the cooler months that precede it. With temperatures soaring to a maximum around 36°C (98°F), the days are undeniably warm, yet balanced by an average of 26°C (79°F) that offers some relief. The increased humidity levels, peaking at 79%, coupled with frequent rain—averaging 177 mm of precipitation over 18 days—introduces a lush greenery that is rarely seen in the drier months. This blend of warmth and rain not only makes May unique but also paints the landscape in rich hues, inviting exploration. For a deeper dive into seasonal patterns, visit Yuannan Climate.