May Weather in Changzhou, China

Last updated: August 21, 2025

May in Changzhou, China presents a warm and humid climate, with temperatures peaking at a maximum of 35°C (96°F) and averaging around 26°C (79°F). Despite the heat, the month is characterized by significant precipitation, totaling 202 mm (7.9 in) over approximately 21 days. With humidity levels hovering at 76%, outdoor activities may be accompanied by a tropical feel, urging residents and visitors alike to stay hydrated and be prepared for sudden rain showers. This time of year is a reminder of the vibrant spring transition in Changzhou, where blooming landscapes flourish under the warm sun.

May Temperature in Changzhou

In May, temperatures in Changzhou, China exhibit a delightful transition into the warmth of summer. The month begins with a minimum temperature of 15°C (60°F), providing a comfortable start to the day, while the average climbs to a pleasant 26°C (79°F). As the days progress, heat peaks at a scorching 35°C (96°F), setting the stage for vibrant outdoor activities. This significant rise in temperature is a clear indication of the shift from the cooler spring months, with May standing out as a month that combines warmth with the blossoming beauty of the season. As such, it's a perfect time to explore the city, enjoy its lush parks, and indulge in delicious local cuisine, all amidst a backdrop of bright, sunny skies.

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

The chart illustrates May temperature patterns in Changzhou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Changzhou, 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).
JanFebMarAprMayJunJulAugSepOctNovDec575967727983858483756859
Data source: Temperature data for Changzhou generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Changzhou

In May, Changzhou experiences a remarkable increase in precipitation, tallying 202 mm (7.9 in), the highest this month compared to the earlier spring months. With rain pouring down over 21 days, the month is characterized by a persistent dampness that precedes the height of the summer rains in June. This surge signals a transition, as the city moves from the mild spring showers of April to the more intense monsoonal patterns that define the upcoming summer months. As the landscape flourishes under this ample rainfall, May not only marks a peak in quantity but also lays the groundwork for the vibrant greenery that envelops Changzhou during the hotter days ahead.

May Precipitation Trends in Changzhou

The chart displays monthly precipitation patterns in Changzhou, 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 Changzhou, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec38101177194202264150203120823832
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Changzhou

As May arrives in Changzhou, China, residents experience a noticeable shift in humidity, rising to 76%, marking the start of the summer months. This increase is part of a broader trend, with humidity levels gradually climbing since February, when it stood at 64%. April's milder 62% serves as a transition into the more oppressive conditions of late spring and early summer. Throughout the summer, particularly in July and August, humidity peaks dramatically, reaching 87% and 88%, respectively. This pattern illustrates the city's humid subtropical climate, where May serves as a precursor to the sweltering heat and moisture that define the following months.

May Average Humidity in Changzhou

This chart illustrates the average monthly humidity levels in Changzhou, 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 Changzhou is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec59%64%65%62%76%76%88%88%72%63%62%66%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Changzhou

As May arrives in Changzhou, China, residents can expect to face extreme UV Index levels, peaking at 13. This trend signifies a steady escalation in UV intensity since February, where the index first entered the very high category, reaching 9. Throughout the spring months, UV exposure has consistently heightened, culminating in May's significant burn time of only 10 minutes. Such sustained high levels of UV radiation underscore the importance of taking protective measures when spending time outdoors. As we look ahead to June, the UV Index will remain equally challenging, maintaining its intensity at 12. For more detailed insights about UV patterns, visit Changzhou UV Index.

Maximum UV Index Levels in Changzhou for May

The chart shows the monthly maximum UV Index (UVI) for Changzhou 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 Changzhou typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec79111213121313111087
Data source: Changzhou 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 Changzhou

In Changzhou, China, May shines particularly bright, boasting an impressive 272 hours of sunshine. This marks a peak in the year, following a steady ascent from January's 172 hours and building through the spring months. As spring gives way to summer, the sun's embrace continues with June at 261 hours and July reaching its zenith at 306 hours. The trend clearly highlights a vibrant summer season characterized by ample daylight, making May a delightful prelude to the sun-soaked months ahead. As the year progresses, the sunshine hours gradually taper off, inviting cooler autumn days while still retaining generous sunlight into September and October.

Monthly Sunshine Duration in Changzhou: May Highlighted

The May sunshine duration represents the total number of hours Changzhou 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.
JanFebMarAprMayJunJulAugSepOctNovDec172h202h183h204h272h261h306h293h285h258h232h235h
Data source: Changzhou May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Changzhou During May

In Changzhou, China, the likelihood of experiencing sunny weather in May sits at 29%, a modest figure that reflects a trend of decreasing sunshine as spring gives way to early summer. While January and February boast a solid 50% chance of sun, this optimism dwindles through March and April, with percentages falling to 24% and 21%, respectively. May's number shows a slight rebound, but it remains lower than the average sunny days seen in the transitional months of September and October, both above 40%. As summer approaches, the potential for sunny days becomes more unpredictable, especially in the heat of June and July, where chances dip to 14% and only slightly recover to 30%. This seasonal fluctuation highlights that while May may present some opportunities for sunshine, the variability from spring to summer conditions should be taken into account when planning outdoor activities.

Percentage of Sunny Days in May in Changzhou

The chart illustrates the percentage of sunny days in Changzhou 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 Changzhou experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec50%50%24%21%29%14%30%19%51%42%52%50%
Data source: Changzhou May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Changzhou in May

In Changzhou, China, the transition into May brings an inviting increase in daylight, with sunlight stretching to a delightful 13 hours. This upward trend begins in the early months of the year, starting with 10 hours in January and steadily rising to 11 hours in February, and then increasingly more pronounced with 12 hours in both March and April. As spring blossoms, the daylight follows suit, peaking in May before gradually tapering off through the summer and into the fall. Notably, the consistent 13 hours of sunlight in both May and June provides ample opportunity to enjoy the vibrant greenery and outdoor activities, while the gradual descent back to 11 hours by October heralds the onset of winter’s shorter days. This rhythm of daylight not only frames the seasons but also influences the local lifestyle, from blooming flowers to bustling markets under the sun.

Average Daylight Hours in Changzhou for May

The chart illustrates the variation in daylight duration in Changzhou throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 51m11h 21m12h12h 41m13h 15m13h 32m13h 24m12h 54m12h 15m11h 34m10h 59m10h 42m
Data source: Changzhou daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Changzhou

In Changzhou, May presents a pleasantly mild wind scenario, with an average speed of 1.9 m/s (4 mph), which is consistent with the breeze felt in the preceding months of April and February. This gentle airflow sets a tranquil tone for the spring season, enhancing outdoor activities and making it an ideal time for enjoying nature. Interestingly, as the year progresses, a subtle uptick in wind speeds is noted in October, where gusts reach 2.8 m/s (6 mph). Overall, the wind trends in Changzhou indicate a transition from the calm of spring to the more dynamic conditions of autumn, providing a balanced experience throughout the year.

Average May Wind Speed in Changzhou

The chart displays monthly wind speed patterns in Changzhou, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.21.92.11.91.9 m/s1.91.81.61.42.82.22.2
Data source: Changzhou May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Changzhou Compares to Other Months

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

May and January present a stark contrast in weather conditions. In May, temperatures rise significantly, with a minimum of 15°C (60°F) and an average high reaching 35°C (96°F), making it a warm month characterized by high humidity at 76%. However, May also sees substantial rainfall, with precipitation occurring over 21 days and totaling 202 mm (7.9 in). In contrast, January is much cooler, featuring temperatures that range from a minimum of 2°C (35°F) to a maximum of 28°C (82°F) and an average of 14°C (58°F). January is drier, with only 38 mm (1.5 in) of rainfall over about 7 days and a lower humidity level of 59%. For more detailed information, you can visit Changzhou weather in January.

May and February present quite contrasting weather conditions. In May, temperatures are significantly warmer, ranging from a minimum of 15°C (60°F) to a maximum of 35°C (96°F), with an average of 26°C (79°F). The month also sees higher humidity at 76% and more frequent rainfall, totaling 202 mm (7.9 in) over 21 days. In contrast, February is much cooler, with temperatures peaking at 29°C (85°F) during the day and dipping to a minimum of just 2°C (35°F) at night, resulting in an average of 15°C (59°F). The precipitation in February is lower at 100 mm (4.0 in) over 11 days, and humidity levels are also more comfortable at 64%. For a deeper insight into February weather specifics, you can check out Changzhou weather in February.

In comparing the weather between May and March, one can see distinct differences in temperature, precipitation, and humidity levels. May experiences a warmer climate, with average temperatures ranging from a minimum of 15°C (60°F) to a maximum of 35°C (96°F), while March's temperatures are cooler, averaging between 8°C (46°F) and 31°C (88°F). Additionally, May sees higher precipitation, measuring 202 mm (7.9 in) over 21 days, compared to March's 177 mm (7.0 in) across 20 days. Humidity levels also rise in May, averaging 76% compared to March’s 65%. For a closer look at the March weather specifics, you can refer to Changzhou weather in March.

In comparing the weather between April and May, May experiences warmer temperatures with a minimum of 15°C (60°F) and an average of 26°C (79°F), while April has a lower minimum of 11°C (52°F) and an average of 22°C (72°F). Additionally, May can reach higher maximum temperatures of 35°C (96°F), compared to April's maximum of 32°C (89°F). Both months share similar precipitation levels, with May having slightly more at 202 mm (7.9 in) over 21 days, while April sees 194 mm (7.6 in) across 18 days. Notably, May is also more humid, with a humidity level of 76% compared to April's 62%. For more specifics on April's weather, check out Changzhou weather in April.

In May, temperatures range from a minimum of 15°C (60°F) to a maximum of 35°C (96°F), with an average of 26°C (79°F). The month is marked by significant rainfall, totaling 202 mm (7.9 in) over 21 days, and the humidity remains high at 76%. In contrast, June experiences warmer conditions, with minimum temperatures rising to 21°C (70°F) and an average of 28°C (83°F), while the maximum still reaches 35°C (96°F). Rainfall increases to 264 mm (10.4 in) over 23 days, maintaining the same level of humidity at 76%. For more details on the weather in June, you can refer to Changzhou weather in June.

May and July present distinctly different weather patterns. In May, temperatures range from a comfortable minimum of 15°C (60°F) to a maximum of 35°C (96°F), with an average temperature of 26°C (79°F). However, it's also the wettest month, receiving 202 mm (7.9 in) of rain over 21 days and accompanied by a humidity level of 76%. In contrast, July sees higher temperatures, with a minimum of 24°C (75°F), an average of 29°C (85°F), and peaks reaching 39°C (103°F). Though July is slightly less rainy, with 150 mm (5.9 in) of precipitation over 19 days, it has a higher humidity level of 87%. For more detailed information, you can check Changzhou weather in July.

May and August present distinct weather profiles, reflecting the transition from late spring to summer. In May, temperatures range from a comfortable minimum of 15°C (60°F) to a peak of 35°C (96°F), with an average of 26°C (79°F). The month sees significant rainfall, totaling 202 mm (7.9 in) over 21 days, paired with a humidity level of 76%. In contrast, August experiences warmer temperatures, with a minimum of 24°C (75°F) and a maximum of 36°C (98°F), along with an average of 29°C (84°F). Precipitation slightly increases to 203 mm (8.0 in) across 22 days, and humidity levels rise to 88%. For a deeper look at how the weather in August compares, check out Changzhou weather in August.

May and September present distinct weather patterns, showcasing the transition from spring to autumn. In May, temperatures range from a minimum of 15°C (60°F) to a maximum of 35°C (96°F), with an average of 26°C (79°F). This month is marked by higher precipitation at 202 mm (7.9 in) over 21 days, combined with substantial humidity at 76%.

In contrast, September offers warmer nights with a minimum temperature of 20°C (68°F) and peaks reaching 38°C (101°F), averaging at 28°C (83°F). The month experiences less rainfall at 120 mm (4.7 in) distributed over 15 days and features slightly lower humidity levels at 72%. For a more detailed look at the weather patterns, you can check out Changzhou weather in September.

May and October exhibit distinct weather patterns, influencing the overall climate experience. In May, temperatures range from a minimum of 15°C (60°F) to a maximum of 35°C (96°F), with an average of 26°C (79°F). Precipitation is relatively high at 202 mm (7.9 in) over 21 days, contributing to a humidity level of 76%. In contrast, October features slightly cooler temperatures, with a minimum of 13°C (56°F) and a maximum of 37°C (98°F), averaging at 24°C (75°F). Rainfall is significantly lower at 82 mm (3.2 in) across just 9 days, and humidity drops to 62%. For more detailed insights, you can refer to Changzhou weather in October.

May and November present quite contrasting weather conditions. In May, temperatures range from a minimum of 15°C (60°F) to a scorching maximum of 35°C (96°F), with an average of 26°C (79°F). The month is characterized by high humidity at 76% and significant rainfall, totaling 202 mm (7.9 in) over 21 days. In contrast, November features milder temperatures, with a minimum of 11°C (51°F) and a maximum of 31°C (89°F), averaging around 20°C (68°F). Precipitation drops significantly to just 38 mm (1.5 in) across 7 days, and humidity decreases to 62%. For more detailed information, check out Changzhou weather in November.

May and December present contrasting weather patterns. In May, temperatures range from a minimum of 15°C (60°F) to a maximum of 35°C (96°F), with an average of 26°C (79°F). This month is characterized by high humidity at 76% and significant rainfall of 202 mm (7.9 in) spread over 21 days, making it the wettest time of the year. In contrast, December offers a much cooler climate, featuring temperatures that typically range from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), with an average of 15°C (59°F). Precipitation is significantly lower at 32 mm (1.3 in), occurring over just 6 days, and humidity levels drop to 66%. For more detailed information, you can check Changzhou weather in December.

Compare Changzhou's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Changzhou

In May, Changzhou experiences a noticeable shift in weather that sets the stage for the upcoming summer months. With higher temperatures and increased humidity levels, the days feel warmer and more tropical compared to the earlier months of spring. The substantial precipitation, often spread over three weeks, transforms the landscape into a lush and vibrant scenery. Although the rainfall can be a hindrance, it also adds a refreshing quality to the air, making it feel alive. Overall, May serves as a transition, bringing a delightful blend of warmth and humidity that distinguishes it from the cooler, drier days of April. For more detailed insights, check out Changzhou Climate.