Last updated: August 21, 2025
In May, Nanjing experiences a vibrant transition into summer, characterized by a maximum temperature soaring to 36°C (96°F) and an average of 22°C (72°F), providing warm, pleasant days. While nighttime temperatures can dip to a minimum of 10°C (51°F), the city feels humid with an 85% humidity level, creating a subtropical atmosphere. Rainfall is common with a total precipitation of 143 mm (5.6 in), spread over approximately 9 days, adding a refreshing touch to the warm days. Whether it’s basking in the sun or enjoying the lush greenery brought by the rains, May in Nanjing offers a delightful blend of weather for locals and visitors alike.
In Nanjing during May, the temperatures begin to reflect the transition into summer, with a noticeable warmth enveloping the city. The month starts with a minimum of 10°C (51°F) and reaches an impressive maximum of 36°C (96°F), suggesting that the days can get quite hot. With an average temperature of 22°C (72°F), May serves as a turning point where the coolness of spring gives way to the heat of summer, marking the beginning of a season where outdoor activities become increasingly appealing. As demand for warm weather intensifies, it's a perfect time for locals and visitors alike to enjoy the vibrant atmosphere and blossoming scenery that Nanjing has to offer.
May marks a noticeable shift in Nanjing’s precipitation patterns, as the city experiences a significant surge with 143 mm (5.6 in) of rainfall over 9 days. This increase represents a dramatic jump from the preceding months, reflecting a transition into the more humid and rainier part of the year. The average daily precipitation also rises, showcasing the onset of the summer monsoon season that continues into June and July. Compared to the earlier months, where rainfall hovered around 53 mm to 69 mm, May stands out not just in volume but in its anticipation of the wetter months ahead, setting a foundation for lush landscapes and vibrant growth across the city.
May in Nanjing typically ushers in a notable increase in humidity, settling at around 85%. This level of humidity reflects a slight decrease from the previous month but maintains the high moisture content characteristic of the season. As spring transitions into summer, the humidity level remains among the highest recorded throughout the year, hinting at the impending sultriness of the coming months. Following a steady upward trend from late winter through April—when humidity reaches its peak at 86%—May offers a brief respire before July's average climbs to a muggy 90%. Therefore, anyone venturing into Nanjing during May should be prepared for a warm, humid experience, perfectly in tune with the flourishing vibrancy of spring.
As the months progress in Nanjing, China, the UV Index climbs significantly towards the peak summer months. In May, the UV Index sits at an intense 10, categorizing this month as very high in terms of sun exposure risks. With a burn time of only 15 minutes, it's crucial for residents and visitors alike to take sun safety seriously. This trend of increasing UV intensity continues into June and July, where it reaches an extreme level of 11, requiring even more caution against harmful rays. The pattern reveals not only a rise in UV exposure from April through August but also emphasizes the importance of protective measures during these months. For more in-depth insights on UV levels throughout the year, visit Nanjing UV Index.
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May is truly a vibrant month in Nanjing, China, where residents bask in an impressive 275 hours of sunshine, making it one of the sunniest times of the year. Following a steady increase from 159 hours in January to 242 hours in April, May marks a significant leap in sunlight hours, contributing to the city's lush blooming landscapes and bustling outdoor activities. The sunshine continues to shine brightly into June, reaching 277 hours, but May holds a special charm as it transitions from spring to summer. This upward trend in sunshine hours not only lifts spirits but also encourages community engagement in outdoor festivities, solidifying May's reputation as a delightful prelude to the summer heat.
In Nanjing, China, the likelihood of basking in sunny weather reaches a notable 29% in May, reflecting a trend of fluctuating sunshine throughout the year. As spring transitions into summer, the chance of sunny days in May shows an increase from the preceding months of April and March, which are at 28% and 26% respectively. While May's percentage may not be as high as the later months, such as November with 62%, it marks a pivotal point in the shift towards brighter skies. Overall, Nanjing’s weather patterns suggest that while May can be a mixed bag, the hope for sunshine starts to bloom as the season unfolds.
As spring transitions into summer, Nanjing, China experiences a delightful increase in daylight duration. Starting with a modest 10 hours in January, the days gradually lengthen, reaching 12 hours in April. By May, Nanjing basks in 13 hours of daylight, heralding the arrival of warmer weather and vibrant outdoor activities. This trend peaks in June with an impressive 14 hours of daylight, before slightly tapering back to 13 hours in both July and August. As the year progresses into autumn, daylight hours gradually decrease, illustrating a rhythmic cycle that showcases the region's dynamic seasonal changes.
In Nanjing, the winds of May gently whisper at an average speed of 2.8 m/s (6 mph), marking a subtle decline from the breezier April days. This trend of diminishing wind speed continues into the early summer months, with June recording a gentle 2.5 m/s. Interestingly, while May brings softer breezes, it is flanked by the more vigorous gusts of February and July, both at 3.4 m/s (8 mph), suggesting a shift from brisk to more tranquil atmospheres as spring transitions into summer. As the year progresses, wind speeds fluctuate, but May stands out for its relatively calm conditions, paving the way for warmer, stiller days ahead.
Weather in Nanjing varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Nanjing, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present strikingly different weather conditions. In May, temperatures range from a minimum of 10°C (51°F) to a maximum of 36°C (96°F), with an average of 22°C (72°F) and high humidity at 85%. This month is also marked by significant rainfall, totaling 143 mm (5.6 in) over approximately 9 days. In contrast, January is much colder, with temperatures dipping as low as -10°C (13°F) and reaching a maximum of 18°C (64°F), while the average sits around 4°C (40°F). With only 53 mm (2.1 in) of precipitation over 8 days and lower humidity at 70%, January offers a stark, crisp experience compared to the warmth and moisture of May. For more details, check out Nanjing weather in January.
May and February present stark contrasts in weather. May features a minimum temperature of 10°C (51°F) and an average high of 36°C (96°F), leading to warm and humid conditions with an average humidity of 85%. The month also experiences more precipitation, totaling 143 mm (5.6 in) over 9 days. In contrast, February is much colder, with temperatures ranging from a minimum of -11°C (13°F) to a maximum of 26°C (79°F) and a significantly lower average of 6°C (43°F). It is drier, with just 52 mm (2.0 in) of precipitation across the same number of days and only 73% humidity. For a more detailed look at February in Nanjing, you can check Nanjing weather in February.
May and March present contrasting weather conditions, making each month unique. May boasts a significantly warmer average temperature of 22°C (72°F), with maximums reaching up to 36°C (96°F), while March has a cooler average of just 12°C (54°F) and a maximum of 29°C (84°F). Precipitation levels are notably higher in May, with 143 mm (5.6 in) of rain spread over 9 days, compared to March's 66 mm (2.6 in) over 10 days. Humidity is slightly higher in May at 85%, while March maintains a lower yet still notable level at 82%. For more detailed insights on March weather, you can refer to Nanjing weather in March.
In comparing the weather between April and May, we can see a notable increase in temperatures. April experiences a minimum of 5°C (41°F) and averages around 17°C (62°F), reaching a maximum of 32°C (90°F). In contrast, May shows a more significant rise, with temperatures starting at 10°C (51°F) and averaging 22°C (72°F), peaking at 36°C (96°F). While both months have precipitation on 9 days, May receives considerably more rain, totaling 143 mm (5.6 in) compared to April's 69 mm (2.7 in). Humidity levels remain relatively consistent, with April at 86% and May slightly lower at 85%. For further details on April’s weather, you can check Nanjing weather in April.
May and June present a noticeable transition in weather patterns. In May, temperatures range from a minimum of 10°C (51°F) to an average of 22°C (72°F), with a maximum of 36°C (96°F), alongside significant precipitation of 143 mm (5.6 in) over 9 days, and humidity levels remain high at 85%. Conversely, June sees an increase in minimum temperatures to 17°C (62°F) and an average of 26°C (78°F), while still allowing for maximum temperatures to reach 36°C (96°F). The precipitation slightly rises to 156 mm (6.2 in), occurring over 10 days, with humidity levels consistent at 85%. For a detailed look at June's climate specifics, check Nanjing weather in June.
May and July exhibit significantly different weather patterns. In May, temperatures range from a minimum of 10°C (51°F) to a maximum of 36°C (96°F), with an average of 22°C (72°F). The month sees considerable precipitation, totaling 143 mm (5.6 in) over approximately 9 days, and humidity levels are high at 85%. Conversely, July experiences warmer temperatures, with a minimum of 19°C (67°F) and a maximum reaching 38°C (101°F), averaging 28°C (83°F). Precipitation is also higher in July, amounting to 228 mm (9.0 in) across 18 days, while humidity increases slightly to 90%. For more details, check out Nanjing weather in July.
May and August exhibit distinct weather patterns characterized by variations in temperature, precipitation, and humidity. In May, temperatures range from a cooler minimum of 10°C (51°F) to a warm average of 22°C (72°F), with maximums reaching up to 36°C (96°F). The month experiences substantial rainfall, with 143 mm (5.6 in) spread over 9 rainy days, and humidity sits at a high 85%. In contrast, August is notably warmer, featuring a minimum temperature of 21°C (71°F) and an average of 29°C (84°F), peaking at 38°C (100°F). Rainfall is more pronounced in August, totaling 189 mm (7.4 in) across 14 rainy days, accompanied by a slight increase in humidity to 88%. For more detailed information, you can check Nanjing weather in August.
In May, the weather can be quite warm, with temperatures ranging from a minimum of 10°C (51°F) to a maximum of 36°C (96°F), and an average of 22°C (72°F). There is considerable precipitation during this month, totaling 143 mm (5.6 in) over approximately 9 days, accompanied by a high humidity level of 85%.
In contrast, September sees slightly warmer average temperatures, with a minimum of 15°C (60°F) and a maximum reaching 36°C (97°F), averaging around 24°C (76°F). Rainfall is significantly lower, with 86 mm (3.4 in) spread across around 10 days, and humidity decreases to 75%. This makes September a bit more pleasant and drier compared to the earlier spring month. For more details, you can check Nanjing weather in September.
May and October in Nanjing exhibit notable differences in weather patterns. May typically boasts a higher average temperature of 22°C (72°F), with a maximum that can reach up to 36°C (96°F), while October averages cooler at 18°C (65°F) and also has the potential to hit a maximum of 36°C (97°F). Precipitation is significantly higher in May, with around 143 mm (5.6 in) over approximately 9 days, compared to October's more moderate 54 mm (2.1 in) across 7 days. Additionally, May has a higher humidity level of 85%, while October sees a relative drop to 76%. For more detailed information about the weather in October, you can refer to this link: Nanjing weather in October.
May and November showcase significantly different weather patterns. In May, temperatures range from a mild 10°C (51°F) at night to a scorching 36°C (96°F) during the day, averaging around 22°C (72°F). This month also sees considerable rainfall, with precipitation totaling 143 mm (5.6 in) over 9 days and a high humidity level of 85%. In contrast, November presents a much cooler climate, with temperatures dipping to a minimum of 0°C (32°F) and peaking at 28°C (83°F), averaging around 13°C (55°F). Rainfall is lower, with 44 mm (1.7 in) spread over just 6 days, and humidity remains relatively steady at 84%. For more detailed information, you can check Nanjing weather in November.
May and December present contrasting weather conditions. In May, temperatures range from a pleasant minimum of 10°C (51°F) to a scorching maximum of 36°C (96°F), with an average of 22°C (72°F). The month sees considerable rainfall, totaling 143 mm (5.6 inches) over approximately 9 days, coupled with high humidity at 85%. In stark contrast, December experiences much cooler temperatures, with a minimum of -7°C (20°F) and a maximum of 20°C (68°F), averaging just 6°C (43°F). This winter month has significantly lower precipitation of 40 mm (1.6 inches) spread over 7 days and a slightly lower humidity level of 77%. For more details on what to expect during this time, check out the Nanjing weather in December.
May in Nanjing offers a unique climate experience, characterized by warm temperatures that become increasingly pleasant as spring transitions towards summer. With average temperatures hovering around 22°C (72°F), it's notably warmer than the preceding months, providing an inviting atmosphere for outdoor activities. However, humidity levels reach a high of 85%, making the air feel quite muggy on certain days. May does see a modest amount of rainfall, with around 143 mm falling over 9 days, which helps refresh the city’s lush greenery. This combination of warmth and humidity sets May apart from other months, making it a vibrant time to explore all that Nanjing has to offer. For a deeper understanding of Nanjing's climate variations throughout the year, visit Nanjing Climate.