Last updated: August 21, 2025
In Jiangnan, China, May ushers in a lively transition to summer, characterized by maximum temperatures soaring to a blistering 35°C (96°F) and an average temperature of 27°C (80°F). While the warmth is inviting, the season also brings substantial rainfall, with 216 mm (8.5 in) accumulating over an average of 20 rainy days. The high humidity levels at 79% further amplify the tropical feel, creating a vibrant yet humid atmosphere that highlights the region's lush landscape.
In Jiangnan, China, May heralds the arrival of warm, inviting temperatures as spring approaches full bloom. With early mornings beginning at a mild 15°C (59°F) and afternoons heating up to a peak of 35°C (96°F), it’s the perfect time to enjoy the region's lush landscapes. The average temperature of 27°C (80°F) illustrates a gentle progression from the cooler months, presenting an ideal atmosphere for outdoor activities. As the warmth builds leading into June, May stands out as a delightful transition, showcasing a significant rise from the cooler days of April, making it a month of vibrant growth and outdoor exploration.
May ushers in a significant shift in precipitation patterns in Jiangnan, China, marked by a dramatic leap to 216 mm (8.5 in) of rainfall over 20 days. This increase not only signifies the onset of the region's wet season but also reflects a consistent upward trend from the previous months, where April recorded 127 mm with just 14 days of rain. As spring transitions into summer, the abundance of precipitation in May sets the stage for even heavier rains in June, reaching a peak of 315 mm. Notably, this surge in rainfall correlates with longer rainy periods, as evidenced by May's 20 rainy days, highlighting the region's dynamic climate. This growing intensity of rain in the late spring suggests an evolving ecosystem, preparing for the lush vibrancy that summer typically brings.
As spring transitions into summer in Jiangnan, China, May brings a noticeable spike in humidity, reaching 79%—the highest level recorded thus far in the year. This increase reflects a steady upward trend in moisture content that begins in the early months, with humidity rising from 64% in January to 73% by March. While April shows a slight dip to 71%, the month of May signals the approach of the hotter, more humid summer months, paving the way for July and August, which peak at an uncomfortable 88%. The elevated humidity levels in May not only enhance the region's lush scenery but also set the stage for the sweltering days ahead, creating a palpable sense of seasonal transition in the air.
As spring transitions into summer, May in Jiangnan, China escalates the intensity of the sun’s rays, boasting a UV Index of 14, which classifies it as extreme. This surge continues the pattern established in April, where the UV Index peaked at 12, marking a humbling reminder of the increasing sun exposure. With a burn time of just 10 minutes, it’s vital for residents and visitors alike to take protective measures seriously. Following May, the UV Index slightly dips in June to 13, but remains in the extreme category, highlighting an overall trend of heightened sun intensity from February onwards. Staying informed on local UV conditions can be crucial, and for detailed insights, visit Jiangnan UV Index.
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As spring transitions into summer, May shines brightly in Jiangnan, boasting an impressive 287 hours of sunlight—the highest for the year. This surge not only marks a peak in luminosity but also signals the onset of warm, vibrant days, inviting outdoor exploration and appreciation of the region's lush landscapes. Following closely, June maintains a strong presence with 277 hours, while the sun-soaked July reaches its zenith at 307 hours, promising long, glorious days under clear skies. The gradual decline in sunlight through late summer and into fall—August with 276 hours and September with 280 hours—reminds us that with each passing season, the beauty of Jiangnan continues to evolve.
In Jiangnan, China, the likelihood of sunny weather in May is relatively modest at just 29%, mirroring the cool, overcast conditions earlier in the spring months of March and April. This trend of limited sunshine carries over into early summer, where June sees a significant drop to only 10% chance of sun. Interestingly, May contrasts sharply with the more optimistic forecasts found in the surrounding months of January and November, which boast chances of sunshine at 56% and 62% respectively. Thus, while May offers a brief window of warmth and blooms, residents and visitors alike should prepare for the possibility of rain rather than relying solely on glorious sun-soaked days.
In Jiangnan, China, daylight duration exhibits a dynamic pattern throughout the year, reflecting the changing seasons and the approach of summer. Beginning with 10 hours of daylight in January, the length of day gradually increases, reaching 13 hours by May, where it remains through June and July—months that embody the peak of summer's brilliance. As the year progresses into late summer and autumn, daylight begins to taper off, reverting to 12 hours in August and subsequently drifting down to 11 hours by October and November. Finally, the cycle returns to its starting point with 10 hours in December. This rhythmic fluctuation in daylight not only signals the seasons but also invites residents of Jiangnan to embrace the vibrant changes that each period brings.
In May, the winds in Jiangnan, China, gently stir with an average speed of 2.6 m/s (6 mph), maintaining a consistent breeze as spring transitions into summer. Compared to the preceding months, May showcases a slight increase from April's 2.4 m/s, aligning with the overall trend of fluctuating wind speeds throughout the year. Following the mildness of winter, a gradual rise is evident, peaking in October at 3.5 m/s. While the winds notably decrease in the sultry summer months of July and August, they regain strength in the fall, hinting at a seasonal rhythm that enriches the region's atmosphere. The persistent breezes of May serve as a reminder of the enchanting balance found in Jiangnan's climate, as nature shifts gracefully between seasons.
Weather in Jiangnan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Jiangnan, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present stark contrasts in weather patterns. In May, temperatures range from a minimum of 15°C (59°F) to a maximum of 35°C (96°F), with an average of 27°C (80°F). This month is also characterized by a significant amount of rainfall, totaling 216 mm (8.5 in) over 20 days, contributing to a high humidity level of 79%. In contrast, January sees much cooler temperatures, with a minimum of 3°C (38°F) and a maximum of 28°C (83°F), averaging only 16°C (61°F). Precipitation is minimal during this month, with just 21 mm (0.8 in) recorded over a mere 3 days, resulting in a lower humidity of 64%. For more detailed information, you can check Jiangnan weather in January.
May and February present distinctly different weather patterns. In May, temperatures range from a minimum of 15°C (59°F) to a maximum of 35°C (96°F), with an average of 27°C (80°F). This month is characterized by high humidity at 79% and substantial rainfall, totaling 216 mm (8.5 in) over 20 days. In contrast, February experiences much cooler temperatures, with a minimum of 4°C (40°F) and a maximum of 29°C (84°F), averaging around 17°C (62°F). The month sees less precipitation, only 56 mm (2.2 in) over 8 days, and lower humidity at 68%. For more detailed insights into February's climate, you can explore Jiangnan weather in February.
In comparing the weather between March and May, it's clear that May experiences significantly warmer temperatures, with a minimum of 15°C (59°F) and an average of 27°C (80°F), peaking at 35°C (96°F). In contrast, March is cooler, featuring a minimum of 9°C (48°F) and an average of 21°C (70°F), with a maximum of 32°C (90°F). Additionally, May sees much higher precipitation, totaling 216 mm (8.5 in) over 20 days, compared to March's 82 mm (3.2 in) over 15 days. The humidity also rises slightly in May, averaging 79% versus March's 73%. For more details on March's climate, you can visit Jiangnan weather in March.
In comparing the weather of May and April, we can observe some notable differences. May tends to be warmer, with an average temperature of 27°C (80°F) compared to April's 23°C (74°F). Additionally, May experiences higher maximum temperatures, reaching up to 35°C (96°F), whereas April's max is 33°C (92°F). Precipitation is also more pronounced in May, with 216 mm (8.5 in) spread over 20 days, compared to April's 127 mm (5.0 in) over 14 days. The humidity is slightly elevated in May at 79%, compared to 71% in April. For more details on April weather, you can visit Jiangnan weather in April.
In May, the weather features a broad temperature range, with minimums around 15°C (59°F) and maximums reaching up to 35°C (96°F). The average temperature settles at 27°C (80°F), accompanied by significant precipitation levels of 216 mm (8.5 in) over approximately 20 days, resulting in a humidity level of 79%.
In contrast, June sees warmer starting temperatures, with minimums rising to 23°C (74°F) and maximums remaining stable at 35°C (96°F). The average temperature increases slightly to 29°C (84°F), and the precipitation escalates to 315 mm (12.4 in) over 22 days, maintaining a lower humidity level of 77%. For more detailed insights, you can check Jiangnan weather in June.
Overall, June tends to be warmer with increased rainfall compared to May, highlighting the transition into the peak of the rainy season.
In comparing the weather between May and July, there's a noticeable increase in temperature and humidity during the summer month. In May, temperatures range from a minimum of 15°C (59°F) to a maximum of 35°C (96°F), with an average of 27°C (80°F). The month sees significant precipitation, totaling 216 mm (8.5 in) over 20 days, and a humidity level of 79%. In contrast, July experiences higher temperatures, with a minimum of 25°C (77°F), an average of 29°C (85°F), and a peak of 37°C (98°F). Rainfall is also slightly higher at 222 mm (8.7 in), occurring over 23 days, and bringing the humidity up to 88%. The more intense heat and humidity of July can be explored further through this link: Jiangnan weather in July.
In May, temperatures in Jiangnan range from a mild 15°C (59°F) at night to a warm 35°C (96°F) during the day, with an average of around 27°C (80°F). However, this month sees significant rainfall, with 216 mm (8.5 in) of precipitation spread over 20 days and an average humidity level of 79%. In contrast, August brings higher temperatures, with minimums starting at 24°C (76°F) and daytime highs reaching up to 37°C (100°F), averaging 29°C (84°F). Rainfall increases during this month to 326 mm (12.8 in) across 25 days, and humidity rises to 88%, creating a noticeably more humid and wetter atmosphere. For a more detailed look at August weather, check out Jiangnan weather in August.
May and September present quite similar temperatures, with May starting a bit cooler, as its average is 27°C (80°F) compared to September's average of 28°C (83°F). However, May features a lower minimum temperature of 15°C (59°F) against September's 21°C (70°F), making September feel warmer overall. Both months experience high humidity, but May tends to be slightly more humid at 79%, compared to September's 75%. Precipitation is also notable in both months, with May receiving 216 mm (8.5 in) over 20 days, while September sees a bit more rain at 233 mm (9.2 in) across 23 days. For further insights on September's climate, you can check out Jiangnan weather in September.
In May, temperatures in Jiangnan typically range from a minimum of 15°C (59°F) to a maximum of 35°C (96°F), with an average of 27°C (80°F). The month is notably humid, with 79% humidity and significant rainfall of 216 mm (8.5 in) over approximately 20 days. In contrast, October sees slightly cooler temperatures with a minimum of 15°C (60°F), an average of 25°C (77°F), and a maximum of 35°C (95°F). The precipitation decreases to 143 mm (5.6 in) over about 12 days, and the humidity drops to 65%, making for a more comfortable experience. For more details on the weather in this month, check out Jiangnan weather in October.
May and November present distinct weather patterns, marking the transition between warmer and cooler seasons. In May, temperatures range from a minimum of 15°C (59°F) to a sweltering maximum of 35°C (96°F), with an average of 27°C (80°F). This month is characterized by high humidity at 79% and considerable rainfall, totaling 216 mm (8.5 in) over approximately 20 days. In contrast, November offers milder temperatures, with a minimum of 12°C (54°F) and a maximum of 31°C (88°F), averaging 21°C (70°F). The month is notably drier, with only 27 mm (1.1 in) of precipitation across 5 days and a more comfortable humidity level of 64%. For more specific weather conditions in Jiangnan during November, you can refer to this link: Jiangnan weather in November.
May and December showcase striking contrasts in weather. In May, temperatures fluctuate significantly, ranging from a minimum of 15°C (59°F) to a maximum of 35°C (96°F), with an average of 27°C (80°F). This month is also characterized by high humidity at 79% and considerable rainfall, with 216 mm (8.5 in) spread across 20 days. In stark contrast, December experiences milder temperatures, with a minimum of 7°C (44°F), an average of 17°C (62°F), and a maximum of 29°C (84°F). Additionally, precipitation in December is much lower, at only 17 mm (0.7 in) over just 3 days, coupled with a decrease in humidity to 69%. For more details on this month’s weather, visit Jiangnan weather in December.
As May unfolds in Jiangnan, the weather shifts dramatically, offering a taste of summer's approach. Unlike the cooler months preceding it, May showcases a delightful blend of warmth and humidity that makes the atmosphere feel lively and invigorating. With average temperatures nudging towards a balmy 27°C, it invites residents and travelers alike to bask in the outdoors. However, May also brings significant rainfall, with precipitation days averaging around 20, which is critical for the region's lush landscapes. As the humidity levels hover around 79%, the month strikes a balance between sunny days and refreshing showers, offering a unique blend of experiences that set it apart from the rest of the year. For more insights into the region’s climate patterns, visit Jiangnan Climate.