Last updated: August 21, 2025
In May, Nantong, China experiences a vibrant transition into summer, characterized by a maximum temperature reaching up to 37°C (100°F) and an average temperature of 23°C (74°F). Visitors should prepare for varying conditions, as temperatures can dip to a refreshing 9°C (49°F) in the cooler evenings. This month sees a significant amount of precipitation, with 211 mm (8.3 in) spread over approximately 18 days, resulting in a lush, green landscape. Humidity levels hover around a high 85%, contributing to a warm, tropical atmosphere. Whether you're seeking outdoor adventures or cultural experiences, Nantong's May weather offers a mix of warmth and revitalizing rain.
As May unfolds in Nantong, China, the transition from spring to summer is unmistakable, marked by a minimum temperature of 9°C (49°F) and a rising average of 23°C (74°F). This month witnesses a significant shift, with maximum temperatures soaring to 37°C (100°F), making it one of the warmest times of the year. The steady climb in temperatures from the previous months highlights a trend toward increasing warmth, as spring's gentle embrace gives way to the heat of summer. With each passing day, the pleasant warmth invites outdoor activities and vibrant local festivities, further enhancing the charm of this bustling coastal city during the blossoming month of May.
In May, Nantong experiences a significant increase in precipitation, receiving 211 mm (about 8.3 inches) over an average of 18 days. This marks a peak in the region's wet season, transitioning from the spring rains to the more intense summer downpours. April's rainfall of 112 mm (4.4 in) is a mere precursor to May's deluge, indicating a shift in weather patterns as temperatures rise. Notably, while there's a dramatic boost in total precipitation, the number of rainy days begins to increase as well, foreshadowing the even more substantial rainfall anticipated in June. This pattern reflects the region's seasonal climate, where May serves as a crucial bridge to the summer months, inundating Nantong with water essential for its agriculture but also prompting locals to brace for the wet weather ahead.
In Nantong, China, May marks a significant peak in humidity, reaching an average of 85%, making it one of the most humid months of the year. This increase follows a gradual rise from 80% in March and 81% in April, showcasing a steady trend towards higher moisture as summer approaches. The humidity then slightly decreases in June to 81%, but remains relatively high throughout the summer months, with July and August recording 84% and 82% respectively. Overall, May embodies the transition into the sultry summertime, highlighting Nantong's characteristic humid subtropical climate.
As we transition into May, Nantong, China, experiences an extreme surge in UV radiation, with a UV Index of 12 that calls for heightened sun safety measures. This month maintains the same intensity observed in April, reflecting a steady peak in solar activity as temperatures rise. With a burn time of just 10 minutes, it's essential for residents and visitors to adopt protective strategies, such as using sunscreen and wearing appropriate clothing, to minimize skin damage. The trend from earlier months shows a gradual increase in UV Index values, peaking at this critical point in spring before it escalates slightly further into summer. For more details and updates on the UV Index, check out Nantong UV Index.
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In Nantong, China, May shines brightly with an impressive 273 hours of sunshine, showcasing a delightful peak in the spring season. As the year unfolds, we observe a steady climb in sunlight hours from January's 176 hours to May's vibrant totals, reflecting the transition from winter to a more temperate climate. This upward trend continues, hitting its apex in July with 309 hours of radiant sunshine, before gradually tapering off as the year progresses. The months leading up to summer, particularly April and May, not only invite residents and visitors outdoors but also herald the arrival of lush greenery and blooming flowers, making Nantong a picturesque retreat during this time.
As spring gives way to early summer in Nantong, China, the likelihood of sunny weather takes a noticeable dip in May, dropping to just 12%—the lowest point in the year. This transition reflects an overall decline in sunshine from the brighter start of the year, with January boasting a healthy 54% chance of sun. Following the increasing cloud cover through April, the trend continues as June approaches, bringing an even greater likelihood of overcast days at just 5%. Visitors and residents alike may want to prepare for gray skies during May, as the sunshine wanes in anticipation of the rainy season ahead.
In Nantong, China, the evolution of daylight hours throughout the year reveals a captivating rhythm that peaks in the late spring and summer months. As May arrives, residents can bask in an extended 13 hours of daylight, a delightful increase that continues into June through August, creating an atmosphere ripe for outdoor activities and exploration. The gradual climb from 10 hours in January to 12 hours in March and April sets the stage for this brighter phase, providing a sense of renewal. However, as the year transitions into autumn, daylight gradually recedes, returning to 11 hours in October and eventually back to 10 hours by December. This pattern underscores the gentle ebb and flow of natural light, emphasizing the beauty of Nantong's seasonal changes.
May in Nantong, China, brings a gentle touch of breezy calm, with average wind speeds reaching 1.6 m/s (4 mph). This marks a slight dip compared to the more invigorating winds of the preceding months. While April had just nudged slightly higher, May joins June in maintaining a consistent yet mild flow of air. This period of softer winds contrasts with the stronger breezes seen in January and the increasing gusts of summer that follow in July. Overall, May serves as a tranquil transition, offering a brief respite before the intensity of the warmer months sets in.
Weather in Nantong varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Nantong, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present starkly contrasting weather conditions. In May, temperatures vary significantly, with a minimum of 9°C (49°F) and a peak of up to 37°C (100°F), averaging around 23°C (74°F). This month experiences considerable rainfall, amounting to 211 mm (8.3 in) over 18 days, along with high humidity at 85%. In contrast, January features much cooler temperatures, ranging from a minimum of -1°C (30°F) to a maximum of 30°C (87°F), with an average of 12°C (53°F). It is a much drier month with only 42 mm (1.7 in) of precipitation spread over just 5 days and a humidity level of 73%. For more details, you can check Nantong weather in January.
In comparing the weather between May and February, May emerges as a significantly warmer month, with average temperatures reaching 23°C (74°F) and highs soaring up to 37°C (100°F). In contrast, February experiences cooler conditions, with average temperatures around 12°C (53°F) and maximums peaking at 30°C (86°F). While May welcomes more precipitation at 211 mm (8.3 in) across 18 days and higher humidity levels of 85%, February sees less rain—77 mm (3.0 in) over 9 days—and lower humidity at 73%. For a more detailed overview of February weather, you can check out Nantong weather in February.
May weather significantly differs from March, showcasing warmer temperatures and higher humidity levels. In May, the minimum temperature is 9°C (49°F), reaching an average of 23°C (74°F) and a maximum of 37°C (100°F), while March starts cooler with a minimum of 3°C (37°F) and an average of 15°C (60°F), topping out at 32°C (90°F). Additionally, May experiences more precipitation, with 211 mm (8.3 in) falling over 18 days, compared to March's 142 mm (5.6 in) over 16 days. The humidity in May is notably higher at 85%, compared to 80% in March. For more details, visit Nantong weather in March.
When comparing the weather in May and April, it’s evident that May experiences significantly warmer conditions with average temperatures reaching up to 23°C (74°F), compared to April's average of 19°C (66°F). Additionally, May sees higher maximum temperatures, peaking at 37°C (100°F) versus April's maximum of 33°C (91°F). Precipitation is more pronounced in May, with 211 mm (8.3 in) spread over 18 days, while April has a total of 112 mm (4.4 in) over 13 days. Humidity levels also rise slightly in May to 85%, up from April's 81%. For more details on April's weather, you can visit Nantong weather in April.
May and June exhibit distinct differences in weather patterns. In May, temperatures range from a minimum of 9°C (49°F) to a maximum of 37°C (100°F), with an average temperature of 23°C (74°F). The month is characterized by high precipitation levels at 211 mm (8.3 in) over 18 days, accompanied by humidity levels around 85%. In contrast, June shows a warmer trend with minimum temperatures rising to 16°C (61°F) and an average of 26°C (80°F), while still peaking at 37°C (99°F). The rainfall increases to 301 mm (11.8 in) over 21 days, and humidity decreases slightly to 81%. For more detailed information, you can check Nantong weather in June.
May and July present notably different weather patterns. In May, temperatures range from a minimum of 9°C (49°F) to a sweltering maximum of 37°C (100°F), with an average temperature of 23°C (74°F). The month experiences significant rainfall, totaling 211 mm (8.3 in) over 18 days, and high humidity levels at 85%. In contrast, July sees more consistent warmth, with minimum temperatures starting at 23°C (74°F) and reaching a maximum of 40°C (104°F), averaging 29°C (84°F). Precipitation decreases to 129 mm (5.1 in) over 17 days, while humidity remains relatively stable at 84%. For a closer look at July weather specifics, you can view Nantong weather in July.
In May, temperatures range from a cool minimum of 9°C (49°F) to an average of 23°C (74°F), with highs reaching up to 37°C (100°F). The month experiences significant rainfall, totaling 211 mm (8.3 in) over 18 days, along with high humidity levels at 85%. In contrast, August sees a warmer temperature range, starting at a minimum of 23°C (74°F), averaging 28°C (83°F), and peaking at a maximum of 39°C (103°F). August also has a higher total precipitation of 280 mm (11.0 in) spread over 22 days, but the humidity is slightly lower at 82%. For more details, you can explore Nantong weather in August.
In May, the weather tends to be warm and humid, with average temperatures ranging from a minimum of 9°C (49°F) to a maximum of 37°C (100°F) and an average of 23°C (74°F). The month is quite rainy, receiving about 211 mm (8.3 in) of precipitation over 18 days, leading to a high humidity level of 85%. In contrast, September offers a warmer climate, evidenced by minimum temperatures of 17°C (62°F) and maximums reaching 41°C (106°F), with an average temperature of 27°C (80°F). Precipitation is notably lower at 97 mm (3.8 in) across 13 days, and humidity decreases to 70%. For further insights on September weather specifics, you can check Nantong weather in September.
In May, the weather is typically warmer, with temperatures ranging from a minimum of 9°C (49°F) to a scorching maximum of 37°C (100°F), and an average of 23°C (74°F). This month also experiences significant rainfall, with 211 mm (8.3 in) of precipitation over 18 days, contributing to a high humidity level of 85%. In contrast, October sees milder conditions with temperatures varying from a minimum of 11°C (51°F) to a maximum of 35°C (96°F), averaging around 22°C (72°F). Rainfall is considerably less in October, totaling only 59 mm (2.3 in) over just 9 days, and the humidity drops to 73%. For a detailed look at the weather patterns in October, you can refer to Nantong weather in October.
May and November present distinct contrasts in weather patterns. In May, temperatures soar with a minimum of 9°C (49°F), averaging 23°C (74°F) and reaching high peaks of 37°C (100°F). This month is characterized by significant precipitation, totaling 211 mm (8.3 in) over 18 days, paired with high humidity at 85%. In contrast, November brings cooler temperatures, ranging from a minimum of 7°C (45°F) to an average of 18°C (64°F), with a maximum of 32°C (91°F). Rainfall is much lighter, totaling 69 mm (2.7 in) across 9 days and accompanied by a lower humidity level of 77%. For more detailed information, check out the Nantong weather in November.
May and December offer stark contrasts in weather. May boasts a warm average temperature of 23°C (74°F), reaching highs of up to 37°C (100°F), while December's average is a cooler 13°C (56°F), with maximums around 29°C (85°F). Additionally, May is much wetter, with 211 mm (8.3 in) of precipitation spread over 18 days, compared to December’s modest 32 mm (1.3 in) and only 6 rainy days. Humidity levels are slightly higher in May at 85%, compared to 79% in December, making the latter feel a bit more comfortable overall. For a closer look at weather specifics in December, you can visit Nantong weather in December.
As May unfolds in Nantong, it ushers in warmer temperatures compared to the cooler months, yet it can still present a stark contrast with occasional chilly nights. With an average temperature hovering around 23°C (74°F), residents and visitors alike can enjoy more comfortable daytime outings. However, the increased humidity at 85% and the likelihood of rain—spanning over 18 days—means that May often feels much wetter, contributing to a lush atmosphere. This month signifies a transition towards the hotter summer months, but the precipitation creates a unique charm, setting it apart from the drier spells of the year. For a deeper dive into Nantong's diverse climate patterns, check out Nantong Climate.