Last updated: August 21, 2025
May in Suzhou, China marks the transition into warmer weather, with daytime temperatures reaching a maximum of 38°C (100°F) while averaging around 21°C (70°F). The nights bring a cooler breeze, with minimum temperatures dipping to 4°C (40°F). Visitors can expect a relatively dry month, receiving only 5 mm (0.2 in) of precipitation over a single rainy day, paired with low humidity levels at 30%, making it an ideal time for outdoor activities and exploration in this vibrant city.
In May, Suzhou experiences a significant seasonal shift, with temperatures rising from the chilly conditions of earlier months. The minimum temperature hovers around 4°C (40°F), providing a comfortable welcome to spring. The average temperature climbs to a pleasant 21°C (70°F), making it an ideal time for outdoor activities and exploring the city's beautiful parks and waterways. With a maximum reaching as high as 38°C (100°F) at times, the month can also bring bursts of summer heat, highlighting the transition into warmer weather. This variability offers a delightful blend of mild spring days and the onset of summer warmth, perfectly setting the stage for vibrant blooms and lively festivities throughout Suzhou.
In May, Suzhou experiences a slight uptick in precipitation, receiving approximately 5 mm (0.2 in) over the course of one day. This represents a modest increase from April's infrequent showers of 4 mm. As spring unfolds, the rainfall in May marks a gradual shift toward wetter conditions, setting the stage for the more substantial rains of June and July, which typically follow with 8 mm and 9 mm respectively. Overall, May’s precipitation is a reminder of the transition from the drier early months of the year, emphasizing the city's gradual tilt toward a more humid summer climate.
May in Suzhou, China, marks a noticeable shift in humidity as the levels dip to 30%, the lowest in the year. This trend reflects a steady decline from the wetter months of spring; starting at 36% in April, May continues the seasonal transition towards the drier summer. Following this pattern, June and July experience even lower humidity at 27% and 25% respectively. As the year progresses into autumn, humidity levels will begin to rise again, with observations reaching 48% by October. This cyclical pattern reveals how Suzhou's climate evolves, offering a brief yet refreshing respite during May, before the sultry heat of summer takes hold.
As May rolls into Suzhou, China, residents and visitors should be prepared for a significant increase in sun intensity, with a UV Index of 10 categorizing conditions as very high. This marks a continuation of an upward trend experienced since March, where the UV Index jumped from a moderate 7 to a peak of 10, indicating that sun exposure can lead to skin damage in just 15 minutes. It’s essential to take protective measures such as wearing sunscreen and seeking shade during the hottest parts of the day. As summer approaches, the UV Index remains high, suggesting that these protective habits will be crucial. For further details on managing sun exposure, visit Suzhou UV Index.
UV Risk Categories
As May unfolds in Suzhou, China, the city basks in an impressive 361 hours of sunshine, marking one of the sunniest months of the year. This increase reflects a promising trend, as daylight hours have steadily risen since the brisk days of January, which had only 223 hours of sunlight. The progression from March and April—with 332 and 333 hours respectively—demonstrates an invigorating shift towards more vibrant spring days leading into early summer. Summer months such as July and August continue this sunny tradition, boasting even higher totals, but May stands out as a month where warmth and brightness converge, making it an idyllic time for outdoor adventures and exploring Suzhou's lush landscapes.
As May rolls around in Suzhou, China, there is a 57% chance of sunny weather, marking a slight increase from the previous months, where the likelihood dipped to its lowest point at 49% in April. While May's probabilities are lower than the peak summer months of July and August, which boast chances of sunshine at 68% and 69%, respectively, it is a fine bridge to the sunnier seasons ahead. The trend reveals a significant uptick in clear skies as the year progresses, with winter months like January delivering a hearty 70% chance, fading to more temperate conditions. As spring blossoms into summer, May stands out as a transitional month that offers a renewed promise of sunlight and warmth, invigorating the anticipation for the longer days ahead.
As spring unfolds into summer in Suzhou, China, the daylight hours experience a remarkable shift. January begins with a modest 9 hours of light, gradually increasing to 10 hours in February and 11 hours by March, highlighting the gentle transition towards longer days. By April, the daylight expands to a welcoming 13 hours, setting the stage for May, when the sun graces the city with an impressive 14 hours of brightness. This peak of daylight continues into June and July, providing ample time for outdoor activities and explorations. As summer fades into fall, daylight begins to recede, with August dropping slightly to 13 hours and September further decreasing to 12 hours. October and November bring shorter days, returning to 9 hours by December, reflecting the cyclical rhythm of nature and the changing seasons in this vibrant city.
May in Suzhou, China, brings with it a gentle breeze, with an average wind speed of 4.0 m/s (9 mph). This month marks a slight decrease from April's peak of 4.2 m/s, yet it remains comfortably breezy, contributing to the serene atmosphere of spring. As the city transitions into summer, the winds remain stable, with comparable speeds recorded in both July and June. Compared to the earlier months of the year, where wind speeds fluctuate between 3.2 m/s in January and 4.1 m/s in March, May solidifies its position as a month of mild winds, perfect for enjoying outdoor activities amidst blooming nature. The overall trend showcases a gradual increase in wind speeds as winter gives way to spring, peaking in the vibrant months of late spring and early summer.
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 stark contrasts in weather. In May, temperatures range from a mild 4°C (40°F) to a scorching 38°C (100°F), with an average of 21°C (70°F) and very little precipitation at just 5 mm (0.2 in) over one day, resulting in a humidity level of 30%. In contrast, January experiences much colder conditions, with temperatures plummeting to a minimum of -20°C (-4°F) and a maximum of only 11°C (52°F), averaging -7°C (19°F). Precipitation in January is minimal as well, at just 1 mm (0.1 in), and occurs over no days, while humidity is significantly higher at 47%. For more insights on January weather in Suzhou, visit Suzhou weather in January.
May and February showcase a striking contrast in weather conditions. In May, temperatures soar with a minimum of 4°C (40°F) and an average high of 21°C (70°F), peaking at a sweltering 38°C (100°F). Precipitation is minimal, with only 5 mm (0.2 in) over a single day, and humidity is at a relatively low 30%. In contrast, February experiences much colder temperatures, with a chilling minimum of -20°C (-4°F) and an average of -1°C (30°F), reaching a maximum of 17°C (63°F). The month sees virtually no precipitation, with only 1 mm (0.0 in) recorded over 0 days, while humidity is higher at 43%. This stark divergence highlights the shift from the coolness of winter in February to the warmth of late spring in May. For more details, you can check Suzhou weather in February.
May and March present starkly contrasting weather conditions. In May, temperatures range from a minimum of 4°C (40°F) to a sweltering maximum of 38°C (100°F), making it a warm month with an average of 21°C (70°F). The humidity is relatively low at 30%, and there is minimal precipitation, with only about 5 mm (0.2 in) falling over just one day. In contrast, March experiences much colder temperatures, with a minimum of -10°C (15°F) and a maximum of 26°C (79°F), averaging 8°C (46°F). Remarkably, March sees no precipitation at all, with 0 mm over 0 days, and humidity is slightly higher at 38%. For a more detailed look at weather patterns in March, you can check Suzhou weather in March.
May generally offers warmer temperatures compared to April, with minimums of 4°C (40°F) and an average high of 21°C (70°F), compared to April's lows of -3°C (26°F) and averages around 15°C (59°F). In May, the maximum temperature can soar up to 38°C (100°F), whereas April peaks at 31°C (89°F). Both months experience minimal precipitation, with May receiving only 5 mm (0.2 inches) over just 1 day, slightly more than April’s 4 mm (0.2 inches) on the same number of days. Humidity levels in May are lower at 30% compared to April's 36%, contributing to a noticeably drier feel in the air. For more information on April's weather, you can check Suzhou weather in April.
May and June present a noticeable transition in weather conditions. In May, temperatures range from a chilly 4°C (40°F) at night to a hot 38°C (100°F) during the day, with an average temperature of 21°C (70°F). The month is relatively dry, receiving only 5 mm (0.2 in) of precipitation over just one day, and humidity levels are fairly low at 30%. Conversely, June sees a rise in minimum temperatures, starting at 12°C (53°F) and peaking at 37°C (98°F), with an average of 25°C (78°F). The month experiences slightly higher precipitation of 8 mm (0.3 in) over two days, while humidity remains low at 27%. For more details on June weather, you can visit Suzhou weather in June.
May's weather is characterized by a significant temperature range, with minimums dipping to 4°C (40°F) and maximums reaching up to 38°C (100°F), resulting in an average temperature of 21°C (70°F). In contrast, July offers much warmer conditions, featuring a minimum temperature of 16°C (61°F) and an average of 28°C (83°F), with highs soaring to 42°C (108°F). Precipitation is relatively low in both months, with May receiving just 5 mm (0.2 in) over one day, while July sees a slight increase to 9 mm (0.3 in), also over one day. Notably, humidity levels in both months are quite similar, making May slightly more humid at 30% compared to July's 25%. For more specific details about weather conditions in July, you can visit Suzhou weather in July.
May and August present contrasting yet enjoyable weather conditions. In May, temperatures range from a cool 4°C to a warm 38°C, with an average of 21°C and minimal precipitation of just 5 mm over a single day. The humidity sits at a comfortable 30%, making it an ideal time for outdoor activities. In contrast, August experiences higher temperatures with a minimum of 11°C and a maximum soaring to 40°C; the average climbs to 26°C. Although August has slightly more precipitation at 9 mm, it still only sees rain on one day, and the humidity is slightly lower at 25%. For more detailed weather insights, you can check Suzhou weather in August.
May and September showcase some similarities in weather, yet subtle differences set them apart. Both months experience a minimum temperature of 4°C (40°F) and an average around 21°C (70°F), making them pleasantly mild. However, May sees higher maximum temperatures, reaching up to 38°C (100°F), compared to September's peak of 37°C (98°F). Precipitation is notably lower in September, with only 1 mm (0.0 in) expected and no rainy days, while May tends to have around 5 mm (0.2 in) with one day of rain. Humidity levels also remain fairly consistent, with May at 30% and September slightly higher at 32%. For a detailed overview of September weather, visit Suzhou weather in September.
May and October present strikingly different weather conditions. In May, temperatures range from a pleasant 21°C (70°F) on average, with a maximum of 38°C (100°F), complemented by low humidity at 30% and minimal rainfall. In stark contrast, October experiences much cooler temperatures, with an average of 11°C (51°F) and a minimum dipping to -5°C (24°F). Despite having a slightly higher humidity of 48%, October's weather is notably drier, with virtually no precipitation. For more details, you can check out Suzhou weather in October.
May and November present a striking contrast in weather conditions. In May, temperatures range from a pleasant 4°C (40°F) at night to a scorching 38°C (100°F) during the day, with an average of 21°C (70°F). The month is characterized by low humidity at 30% and minimal precipitation of just 5 mm over one day. In contrast, November brings much cooler temperatures, with nightly lows plummeting to -14°C (6°F) and daytime highs only reaching up to 20°C (68°F). The average November temperature stands at around 1°C (35°F), accompanied by higher humidity levels at 54% and virtually no precipitation. For more details on November’s climate, you can refer to Suzhou weather in November.
May and December present starkly contrasting weather conditions. In May, temperatures range from a mild 21°C (70°F) on average, occasionally peaking at a scorching 38°C (100°F), with only minimal precipitation of 5 mm (0.2 in) and low humidity at 30%. In contrast, December ushers in a chilling cold, where temperatures plummet, averaging -6°C (21°F) and reaching a maximum of just 9°C (48°F). December also experiences a much drier atmosphere, with virtually no precipitation and higher humidity levels at 50%. For more detailed weather insights, you can refer to Suzhou weather in December.
As May unfolds in Suzhou, the weather transitions into a delightful mid-spring phase, standing in stark contrast to the more extreme temperatures of summer months ahead. With an average temperature that hovers around a comfortable 21°C (70°F), this month offers a refreshing respite compared to both the sweltering highs and chilly lows of earlier months. Precipitation is minimal, with just a hint of rain, making it one of the driest periods in the region; humidity levels are also pleasantly low at 30%. This perfect blend of mild conditions offers an ideal opportunity to explore the scenic beauty of Suzhou before the heat intensifies. For more insights on what to expect throughout the year, visit Suzhou Climate.