May Weather in Kunming, China

Last updated: August 21, 2025

In May, the weather in Kunming, China showcases a pleasant and moderate climate that invites exploration. With maximum temperatures reaching up to 32°C (90°F) and an average of 20°C (68°F), days are warm, while cooler nights drop to a minimum of 7°C (44°F). Although there are approximately 11 days of precipitation, contributing to a total of 88 mm (3.5 in), this adds a refreshing touch to the air, keeping humidity levels at a comfortable 69%. Ideal for outdoor activities and cultural experiences, May in Kunming is a delightful blend of warmth and greenery.

May Temperature in Kunming

In Kunming, China, May marks a delightful transition into warmer weather, with temperatures reflecting the onset of spring's full splendor. The minimum temperature rises to a comfortable 7°C (44°F), while the average settles at a pleasant 20°C (68°F), encouraging outdoor explorations. As the days progress, the city experiences maximum highs reaching up to 32°C (90°F), perfect for enjoying its lush landscapes and vibrant culture. Compared to the preceding months, May showcases a significant warming trend, moving from the cooler, brisk days of early spring to a more summery atmosphere, inviting residents and visitors alike to bask in the delightful climate and the blooming scenery of this enchanting city.

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

The chart illustrates May temperature patterns in Kunming, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Kunming, 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).
JanFebMarAprMayJunJulAugSepOctNovDec495160636870696966615549
Data source: Temperature data for Kunming 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 Kunming

In Kunming, May marks a notable uptick in precipitation, with an average of 88 mm (3.5 in) falling over 11 days. This increase follows the wetter April, indicating a trend toward the rainy season as the city transitions into the summer months. The rainfall in May is significant, yet it remains a precursor to the much heavier downpours that June and July bring, when averages soar above 270 mm. As lush greenery flourishes under this increased moisture, May serves as a critical bridge, preparing the vibrant landscapes for the forthcoming monsoon conditions, highlighting Kunming's dynamic climate and its impact on the region's natural beauty.

May Precipitation Trends in Kunming

The chart displays monthly precipitation patterns in Kunming, 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 Kunming, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec42293485882702722691931093728
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Kunming

In May, Kunming experiences a notable rise in humidity, matching the 69% levels recorded in February. This elevates the moisture content of the air, creating a slightly muggy ambiance as the city transitions towards the more humid summer months. Interestingly, the humidity in May often serves as a precursor to the significant increases seen from June to August, where it peaks at an impressive 90% in August. While April and earlier months maintain a more moderate humidity level around 54%, May signals the start of this upward trend, hinting at the vibrant, lush landscapes that the rainy season will soon bring. As the month progresses, the comfortable spring climate shifts, paving the way for the tropical-like conditions of the summer ahead.

May Average Humidity in Kunming

This chart illustrates the average monthly humidity levels in Kunming, 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 Kunming is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec56%69%54%54%69%85%89%90%85%80%83%74%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Kunming

May in Kunming, China, heralds the peak of the UV Index as it reaches an intense 15, classifying it within the extreme exposure category. This level of UV radiation means a burn time of just 10 minutes, urging residents and visitors alike to prioritize sun protection measures. Following the trend from April, which had a UV Index of 14, May's rise reflects a consistent pattern of escalating UV intensity as spring transitions into summer. As the months progress, the UV Index in Kunming remains high, with June and July expected to reach even higher levels. Awareness of these patterns is crucial for enjoying the outdoors safely; for detailed information, check out the Kunming UV Index.

Maximum UV Index Levels in Kunming for May

The chart shows the monthly maximum UV Index (UVI) for Kunming 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 Kunming typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec89111415141614131197
Data source: Kunming 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 Kunming

May in Kunming, China, shines brightly with 329 hours of glorious sunshine, marking it as one of the sunniest months of the year. This trend continues a steady upward climb from the cooler, darker winter months, where January and February offered only 224 and 265 hours respectively. As spring unfolds, March and April see a delightful increase, reaching 322 and 298 hours, paving the way for May's radiant peak. Following this sunny month, the summer months of June and July experience a slight decline, with 291 and 279 hours of sunshine, respectively. However, August recaptures the bright spirit with 310 hours. Overall, May stands out as a beacon of light in Kunming, heralding the vibrant energy of late spring and early summer.

Monthly Sunshine Duration in Kunming: May Highlighted

The May sunshine duration represents the total number of hours Kunming 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.
JanFebMarAprMayJunJulAugSepOctNovDec224h265h322h298h329h291h279h310h285h246h267h262h
Data source: Kunming May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Kunming During May

In May, the chance of sunny weather in Kunming, China dips to 48%, marking a noticeable decline from the sunnier months of March and February, which boast probabilities of 76% and 66%, respectively. This reduction in sunshine aligns with the trend observed in April, where conditions are already less favorable at 57%. As spring transitions into summer, Kunming experiences a significant shift, with the likelihood of clear skies dropping sharply in the following months of June and July, where sunshine is expected only 17% and 13% of the time. This indicates that while May still holds promise for sunny days, the weather begins to lean towards a cloudier disposition as the season progresses.

Percentage of Sunny Days in May in Kunming

The chart illustrates the percentage of sunny days in Kunming 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 Kunming experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec60%66%76%57%48%17%13%19%35%25%33%39%
Data source: Kunming May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Kunming in May

As spring unfolds in Kunming, China, daylight gradually increases, painting the sky with more sunshine. Beginning with 10 hours in January, the hours of daylight steadily climb to a peak of 13 hours by May, allowing for longer evenings and the blossoming of outdoor activities. This trend of increasing daylight continues into June and July, where residents can bask in the sun for the same generous duration. However, as summer fades into fall, the daylight starts to diminish once again, tapering down to 12 hours in August and gradually decreasing to 10 hours by December. This rhythmic dance of daylight not only marks the change of seasons but also enhances the vibrant lifestyle of Kunming’s inhabitants throughout the year.

Average Daylight Hours in Kunming for May

The chart illustrates the variation in daylight duration in Kunming throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 45m11h 18m12h12h 44m13h 20m13h 39m13h 29m12h 57m12h 16m11h 32m10h 55m10h 36m
Data source: Kunming daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Kunming

In May, the winds of Kunming gently begin to pick up, averaging 3.9 m/s (9 mph), a noticeable increase from the more tranquil April breezes. This slight uptick indicates a transition into the warmer months, as the average wind speed rises from its earlier spring levels. The consistent but modest wind flow provides a pleasant backdrop for outdoor activities, complementing the mild temperatures of late spring. As June approaches, however, the winds start to taper off, dropping to 2.6 m/s (6 mph). Overall, May’s breezes embody a transitional period, where nature begins to stir with the energies of summer, creating a delightful environment for both residents and visitors in this picturesque city.

Average May Wind Speed in Kunming

The chart displays monthly wind speed patterns in Kunming, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.44.53.63.9 m/s2.62.32.22.13.02.82.5
Data source: Kunming May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Kunming Compares to Other Months

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

May and January present contrasting weather conditions. In May, temperatures range from a chilly 7°C (44°F) at their lowest to a warm 32°C (90°F) at their peak, with an average of 20°C (68°F). The month experiences approximately 88 mm (3.5 in) of precipitation over 11 days, contributing to a relatively high humidity level of 69%. In comparison, January is much cooler, with minimum temperatures dropping to -3°C (26°F) and a maximum reaching 20°C (69°F), averaging around 9°C (49°F). Precipitation is lower in January at 42 mm (1.7 in) over just 5 days, accompanied by a humidity of 56%. For more detailed information, you can visit Kunming weather in January.

May and February present contrasting weather conditions. In May, temperatures range significantly, with a minimum of 7°C (44°F) and a maximum reaching up to 32°C (90°F), resulting in a warm average of 20°C (68°F). The month sees a higher level of precipitation, at 88 mm (3.5 in), spread over 11 days, contributing to a humid atmosphere with 69% humidity. In contrast, February features much cooler temperatures, where the minimum dips to -3°C (28°F) and the maximum reaches 24°C (75°F), leading to a milder average of 11°C (52°F). Precipitation is lighter in February, with only 29 mm (1.1 in) across 5 days, but the humidity remains constant at 69%. For a detailed look at February weather, visit Kunming weather in February.

May generally offers warmer temperatures compared to March, with average highs reaching up to 32°C (90°F) and lows around 7°C (44°F), while March has a more moderate average maximum of 28°C (83°F) and a minimum of 4°C (40°F). Additionally, May experiences significantly more precipitation, totaling 88 mm (3.5 in) over 11 days, in contrast to March's lighter rainfall of 33 mm (1.3 in) over just 6 days. Humidity levels are also higher in May, averaging 69% compared to March's 54%. For more detailed information on weather in March, you can visit Kunming weather in March.

In comparing the weather between April and May, we see a noticeable increase in temperatures in May, with average highs reaching 32°C (90°F) compared to April's 31°C (88°F). The minimum temperatures also rise, with May starting at 7°C (44°F) versus April's 3°C (38°F). Although both months experience roughly the same amount of rain, with May receiving 88 mm (3.5 in) and April slightly less at 85 mm (3.4 in), May has a higher average humidity of 69% compared to April's 54%. These differences illustrate a transition towards warmer and more humid conditions as spring progresses. For more details on the weather patterns in April, you can check Kunming weather in April.

May and June present notable differences in weather patterns. In May, temperatures range from a minimum of 7°C (44°F) to a maximum of 32°C (90°F), with an average temperature of 20°C (68°F). There is relatively moderate precipitation of 88 mm (3.5 in) over 11 days, along with a humidity level of 69%. In contrast, June sees a slight increase in average temperature to 21°C (70°F) with a minimum of 12°C (54°F) and a maximum of 30°C (85°F). However, it also experiences a significant rise in rainfall, totaling 270 mm (10.6 in) across 21 days, and humidity climbs to 85%. For a more detailed look, you can check out Kunming weather in June.

May and July present notably different weather patterns. In May, temperatures range from a minimum of 7°C (44°F) to a maximum of 32°C (90°F), with an average of 20°C (68°F). The month sees around 88 mm (3.5 in) of precipitation over 11 days, and the humidity is relatively moderate at 69%. In contrast, July experiences warmer nights with a minimum of 15°C (58°F) and a cooler maximum of 28°C (83°F), maintaining a similar average of 20°C (69°F). However, July is significantly wetter, receiving 272 mm (10.7 in) of rain over 26 days, along with higher humidity at 89%. For more detailed insights on the weather in July, check out Kunming weather in July.

May and August present distinct weather patterns. In May, temperatures range from a cool 7°C (44°F) to a warm 32°C (90°F), with an average of 20°C (68°F). The month receives moderate rainfall of 88 mm (3.5 in) over 11 days and has a humidity level of 69%. In contrast, August experiences milder temperatures, with a minimum of 15°C (59°F) and a maximum of 29°C (85°F), while the average remains close to 20°C (69°F). However, August is much wetter, with a significant increase in precipitation to 269 mm (10.6 in) across 26 days and higher humidity at 90%. For those interested in more detailed information, please check Kunming weather in August.

May and September showcase distinct weather patterns, reflecting the transitional nature of spring to autumn. In May, temperatures range from a mild minimum of 7°C (44°F) to a warm maximum of 32°C (90°F), with an average of 20°C (68°F). This month sees moderate precipitation of 88 mm (3.5 in) over 11 days, accompanied by a relative humidity of 69%. In contrast, September features slightly warmer minimum temperatures of 10°C (50°F) and a cooler maximum of 27°C (81°F), with an average of 19°C (66°F). However, September is notably wetter, receiving 193 mm (7.6 in) of rain spread across 22 days and experiencing higher humidity levels at 85%. For more detailed information on September weather, visit Kunming weather in September.

May and October present contrasting weather patterns, despite being just a few months apart. In May, temperatures range from a mild 7°C (44°F) at night to a warm 32°C (90°F) during the day, with an average temperature of 20°C (68°F). The month experiences about 88 mm (3.5 in) of rainfall across 11 days, coupled with a humidity level of 69%. In contrast, October brings cooler temperatures, with nighttime lows of 8°C (47°F) and daytime highs averaging 25°C (78°F), culminating in an average temperature of 16°C (61°F). Additionally, October sees increased precipitation at 109 mm (4.3 in) over 17 days, and a higher humidity of 80%. These differences highlight the transition from the warmth of late spring to the cooler, wetter fall season. For a deeper insight into October weather specifics, check out Kunming weather in October.

May and November present distinct contrasts in weather patterns. In May, temperatures range from a mild 7°C (44°F) to a warm 32°C (90°F), with an average of 20°C (68°F). The month experiences a higher precipitation level of 88 mm (3.5 in) across 11 days, leading to a humidity level of 69%. In stark contrast, November showcases cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 24°C (75°F), averaging at 13°C (55°F). Precipitation drops significantly to 37 mm (1.4 in) over just 7 days, accompanied by a higher humidity of 83%. For more details on November weather, check out Kunming weather in November.

In May, the weather is considerably warmer, with average temperatures ranging from a cool 7°C (44°F) at night to a balmy 32°C (90°F) during the day, accompanied by a higher precipitation level of 88 mm (3.5 in) over approximately 11 days. The humidity also plays a significant role, sitting at 69%, adding to the warmth of the month. In contrast, December brings a stark change, with minimum temperatures dropping to -2°C (29°F) and a much cooler average of 9°C (49°F). The precipitation is notably lower at 28 mm (1.1 in) over just 5 days, while humidity slightly rises to 74%. For more details, you can refer to Kunming weather in December.

Compare Kunming's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Kunming

May in Kunming marks a delightful transition from the cooler spring months, showcasing warmer temperatures that invite outdoor exploration. With an average high reaching 32°C and a comfortable average of 20°C, visitors can enjoy balmy days perfect for sightseeing. The month also sees increased rainfall, with about 11 days of precipitation contributing to the lush landscapes the region is known for. This surge in humidity, at 69%, enhances the vibrancy of the flora, making Kunming a feast for the senses. For those planning a visit, May presents a unique blend of warmth and moisture, quite distinct from the drier and cooler months preceding it. To learn more about what to expect throughout the year, check out Kunming Climate.