May Weather in Suzhou, China

Last updated: August 21, 2025

As May unfolds in Suzhou, China, the city experiences a delightful mix of warmth and humidity. With average temperatures around 22°C (72°F) and peaks soaring to a sweltering 35°C (96°F), the month offers plenty of opportunities to enjoy outdoor activities. However, the lush ambiance is accompanied by frequent rainfall, totaling 126 mm (4.9 in) over 11 days, making it essential for visitors to prepare for occasional showers. The air hangs heavy with an average humidity of 87%, contributing to the vibrant greenery that defines this picturesque city during spring.

May Temperature in Suzhou

In May, Suzhou, China, experiences a delightful shift in temperatures as spring thoroughly unfolds. The minimum temperature rises to 12°C (55°F), providing a comfortable backdrop for outdoor activities. With an average temperature of 22°C (72°F), the month strikes a perfect balance between warmth and coolness, inviting locals and visitors alike to explore the city's enchanting gardens and scenic waterways. The maximum temperature can reach a sizzling 35°C (96°F), signaling the approach of summer's heat. This trend of rising temperatures from the cooler months of earlier spring indicates an increasing vibrancy in the atmosphere, making May an ideal time to revel in Suzhou’s rich culture and lush landscapes.

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

The chart illustrates May temperature patterns in Suzhou, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Suzhou, 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).
JanFebMarAprMayJunJulAugSepOctNovDec414454627277848577675745
Data source: Temperature data for Suzhou 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 Suzhou

In May, Suzhou experiences a notable increase in precipitation, with 126 mm (4.9 in) of rain recorded over 11 days, marking it as one of the wettest months of the year. This surge in rainfall is part of a trend that begins in the spring months, leading into the even wetter summer season. In comparison to the previous months, May's precipitation is significantly higher than April's 83 mm (3.3 in), indicating a shift towards more consistent and heavier rain. As the city transitions from spring to summer, this uptick in rainfall not only replenishes the environment but also sets the stage for the heavier downpours that occur in June and July, demanding preparedness from the residents of Suzhou.

May Precipitation Trends in Suzhou

The chart displays monthly precipitation patterns in Suzhou, 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 Suzhou, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec788110184126207272171143555560
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Suzhou

As May arrives in Suzhou, China, the humidity remains high at 87%, mirroring the levels observed in April. This marks the beginning of a trend that sees the city grappling with increasing humidity as the summer months approach. Following a gradual ascent from 70% in January to its peak of 93% in July, Suzhou’s weather creates a steamy atmosphere that persists into late summer, with only a slight retreat in September. Such humidity levels not only influence daily comfort but also shape activities and lifestyles, inviting both locals and visitors to embrace the warm, lush environment that characterizes this vibrant city.

May Average Humidity in Suzhou

This chart illustrates the average monthly humidity levels in Suzhou, 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 Suzhou is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec70%73%81%87%87%89%93%91%81%80%82%77%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Suzhou

In May, the UV Index in Suzhou, China reaches a significant 10, categorizing it as very high and indicating a burn time of just 15 minutes. This trend showcases a gradual increase in UV exposure as spring progresses, with January starting at a moderate level of 5 and peaking in May before transitioning to an extreme level in June. As you enjoy the longer days and warmer weather, it's crucial to stay vigilant about sun protection this month. The rapid rise in UV intensity from April to May highlights the need for adequate sunscreen and protective clothing to guard against harmful rays. For more detailed information on UV exposure throughout the year, be sure to check out the Suzhou UV Index.

Maximum UV Index Levels in Suzhou for May

The chart shows the monthly maximum UV Index (UVI) for Suzhou 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 Suzhou typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec56991011111110764
Data source: Suzhou 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 Suzhou

As May arrives in Suzhou, the city basks in 276 hours of sunshine, illuminating its picturesque canals and gardens. This peak in sunlight follows a steady climb from January's modest 150 hours, showcasing a vibrant trend toward longer, brighter days. With each passing month, the sun’s embrace strengthens, culminating in the sunniest stretch of the year during July and August when residents enjoy over 280 hours of radiant warmth. While the sunny days begin to taper off in the fall, May serves as a delightful reminder of nature's blossoming beauty and the anticipation of summer's full arrival.

Monthly Sunshine Duration in Suzhou: May Highlighted

The May sunshine duration represents the total number of hours Suzhou 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.
JanFebMarAprMayJunJulAugSepOctNovDec150h201h230h251h276h261h287h308h256h237h221h213h
Data source: Suzhou May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Suzhou During May

As May rolls around in Suzhou, China, the likelihood of sunny weather dips to 29%, offering a modest contrast to the previous months. This slight decrease follows the already low chances seen in April (31%) and mirrors the patterns seen in June (24%), suggesting that spring's bright days may be more elusive than anticipated. Notably, the peak sunniest months fall at the beginning and end of the year, with December showcasing the highest chance at 68%. This overall trend highlights a gradual decline in sunny days as summer approaches, making sunny May days a precious occurrence worth savoring amidst the shifting weather patterns.

Percentage of Sunny Days in May in Suzhou

The chart illustrates the percentage of sunny days in Suzhou 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 Suzhou experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%43%28%32%29%24%18%34%49%45%55%68%
Data source: Suzhou May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Suzhou in May

As the seasons transition in Suzhou, China, May heralds a significant increase in daylight, with 13 hours of golden sunshine enriching the days. Following April's pleasant 12-hour stretch, May marks the apex of spring's light, paving the way for the sunniest months of the year. This trend continues into June, which offers an impressive 14 hours of daylight, creating the idyllic conditions for outdoor adventures and blooming landscapes. However, as summer enters its later stage, daylight hours begin to gradually recede in July and August, returning to 13 hours. The gentle decline continues into the autumn months, with daylight eventually tapering back down to 10 hours by December. Thus, Suzhou experiences a vibrant dance of daylight that not only defines its seasons but also influences the rhythm of life in this thriving city.

Average Daylight Hours in Suzhou for May

The chart illustrates the variation in daylight duration in Suzhou throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 20m11h 3m11h 59m12h 56m13h 44m14h 8m13h 56m13h 14m12h 19m11h 22m10h 33m10h 8m
Data source: Suzhou daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Suzhou

In May, Suzhou experiences a pleasant transition into spring, marked by an average wind speed of 4.0 m/s (9 mph). This gentle breeze reflects a consistent pattern seen in recent months, where the wind speed hovers around comparable values, notably peaking in July at 4.9 m/s (11 mph). As temperatures rise, the winds provide a refreshing touch, creating a delightful atmosphere for outdoor activities. Following May, the winds begin to taper off slightly in June, dropping to 3.5 m/s (8 mph). Overall, May stands out in the progression of spring, offering just enough wind to invigorate the senses while maintaining the tranquil charm that Suzhou is celebrated for.

Average May Wind Speed in Suzhou

The chart displays monthly wind speed patterns in Suzhou, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.63.94.03.94.0 m/s3.54.93.23.93.93.93.3
Data source: Suzhou May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Suzhou Compares to Other Months

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

May and January present strikingly different weather conditions. In May, temperatures range from a mild 12°C (55°F) to a sweltering 35°C (96°F), with an average of 22°C (72°F). The month experiences significant rainfall, totaling 126 mm (4.9 in) over 11 days, coupled with high humidity levels at 87%. In contrast, January is much colder, with temperatures fluctuating between a frigid -7°C (20°F) and a more temperate 16°C (61°F), averaging just 5°C (42°F). Precipitation in January is lower, at 78 mm (3.1 in) over 9 days, and humidity is more moderate at 70%. For a deeper look into January weather specifically, visit Suzhou weather in January.

May and February present stark contrasts in weather conditions. In May, temperatures range from a minimum of 12°C (55°F) to a maximum of 35°C (96°F), with an average of 22°C (72°F), indicating a warm and humid environment with an average humidity of 87% and 126 mm of precipitation over 11 days. In contrast, February experiences much cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 21°C (71°F), averaging only 7°C (44°F). This month sees less precipitation, at 81 mm over 10 days, and lower humidity at 73%. For further details on February weather, you can explore Suzhou weather in February.

In comparing the weather between March and May, May boasts significantly warmer temperatures, with an average of 22°C (72°F) compared to March's cooler average of 12°C (54°F). While March experiences a minimum temperature of 1°C (35°F) and a maximum of 27°C (80°F), May sees temperatures soaring as high as 35°C (96°F). Additionally, May tends to be wetter, with 126 mm (4.9 in) of precipitation over 11 days, slightly more than March's 101 mm (4.0 in) over 13 days. Despite the rain in both months, May's higher humidity at 87% makes it feel more sultry than March's 81%. For more detailed insights, you can refer to Suzhou weather in March.

In comparing the weather between April and May, it's clear that May brings noticeably warmer temperatures, with averages reaching up to 22°C (72°F) compared to April's average of 17°C (63°F). The maximum temperatures in May can soar to 35°C (96°F), while April peaks at a more moderate 30°C (87°F). Additionally, May experiences increased precipitation, totaling 126 mm (4.9 in) over about 11 days, compared to April's 83 mm (3.3 in) over 10 days. Despite these differences, both months share a consistent humidity level of 87%. For a more detailed look at the weather in April, you can check out Suzhou weather in April.

May and June present a noticeable transition in weather conditions. In May, temperatures range from a minimum of 12°C (55°F) to a maximum of 35°C (96°F), with an average of 22°C (72°F). Precipitation is moderate at 126 mm (4.9 in) over 11 days, accompanied by a relatively high humidity level of 87%. Conversely, June sees warmer temperatures, with a minimum of 18°C (65°F) and an average high of 35°C (95°F), peaking at an average temperature of 25°C (77°F). Rainfall increases significantly to 207 mm (8.1 in) over 14 days, while humidity slightly rises to 89%. This shift indicates a trend toward warmer, wetter weather as summer approaches. For more detailed information, check out Suzhou weather in June.

May and July exhibit distinct differences in weather patterns. In May, temperatures range from a minimum of 12°C (55°F) to a maximum of 35°C (96°F), with an average of 22°C (72°F). The month receives a total of 126 mm (4.9 in) of precipitation over 11 days, and the humidity level is relatively high at 87%. Conversely, July experiences warmer temperatures, with a minimum of 21°C (70°F) and a maximum of 38°C (101°F), averaging 29°C (84°F). The rainfall is significantly heavier, totaling 272 mm (10.7 in) over 15 days, and humidity rises to 93%. For more insights into July's weather conditions, you can visit Suzhou weather in July.

May and August present distinct weather patterns, reflecting the transition from spring to summer. In May, temperatures range from a minimum of 12°C (55°F) to a maximum of 35°C (96°F), with an average of 22°C (72°F) and a notable humidity level of 87%. However, it also experiences a relatively high amount of precipitation, with 126 mm (4.9 in) falling over 11 days.

In contrast, August tends to be warmer, with temperatures ranging from a minimum of 22°C (71°F) to a maximum of 36°C (98°F) and an average of 29°C (85°F). This month also sees an increase in precipitation, totaling 171 mm (6.7 in) over 14 days, and humidity rises slightly to 91%. The warmer and wetter conditions of August make it distinctly different from the milder May weather. For more detailed information, you can check Suzhou weather in August.

In May, temperatures range from a minimum of 12°C (55°F) to a maximum of 35°C (96°F), with an average of 22°C (72°F). The month experiences significant rainfall, accumulating 126 mm (4.9 in) over 11 days, and humidity levels are quite high at 87%. In contrast, September boasts slightly warmer conditions, with temperatures ranging from a minimum of 17°C (63°F) to a maximum of 34°C (93°F) and an average temperature of 25°C (78°F). This month also sees an increase in precipitation, totaling 143 mm (5.6 in) over 12 days, although humidity is lower at 81%. For more detailed information, check Suzhou weather in September.

May and October present a distinct contrast in weather patterns. May is generally warmer with temperatures ranging from a minimum of 12°C (55°F) to a high of 35°C (96°F), while October temperatures are slightly cooler, peaking at 31°C (88°F) and dipping to a low of 11°C (52°F). Additionally, May experiences a higher average temperature of 22°C (72°F) compared to October's 19°C (67°F). Precipitation levels also differ significantly, with May receiving 126 mm (4.9 inches) over 11 days, whereas October sees only 55 mm (2.2 inches) over 8 days, making it a drier month. The humidity is also noteworthy, remaining high at 87% in May, while October’s humidity is relatively lower at 80%. For more detailed information, you can check Suzhou weather in October.

May and November present quite contrasting weather conditions. In May, temperatures tend to be warmer, with minimums around 12°C (55°F) and maximums peaking at 35°C (96°F), resulting in an average of 22°C (72°F). The month brings significant rainfall, totaling 126 mm (4.9 in) over 11 days, coupled with high humidity at 87%. In contrast, November sees much cooler temperatures, with minimums dropping to 4°C (40°F) and maximums reaching 26°C (80°F), averaging 14°C (58°F). Rainfall is less abundant in November, with 55 mm (2.2 in) over 9 days and humidity levels slightly lower at 82%. For more detailed insights, you can check Suzhou weather in November.

May and December present strikingly different weather patterns. In May, temperatures can soar to a maximum of 35°C (96°F), creating a warm average of 22°C (72°F), while December sees much cooler temperatures, peaking at only 19°C (66°F) and averaging around 7°C (46°F). Precipitation is more significant in May, with 126 mm (4.9 in) spread over 11 days, compared to December's 60 mm (2.4 in) over just 8 days. Additionally, humidity levels are higher in May at 87%, compared to December's 77%. For more specific insights into December weather, check out Suzhou weather in December.

Compare Suzhou's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Suzhou

As spring transitions into summer, May in Suzhou is marked by a notable shift in weather patterns. With average temperatures rising, the days become pleasantly warm, making it ideal for outdoor activities, although the humidity can feel quite high. Unlike the cooler months earlier in the year, May also tends to experience more precipitation, with several rainy days contributing to the lush scenery. This combination of warmth and moisture sets the stage for vibrant blossoms and greenery. For more detailed insights into what to expect throughout the year, visit Suzhou Climate.