Last updated: August 21, 2025
April in Nanjing, China showcases a dynamic weather pattern, with temperatures ranging from a chilly 7°C (45°F) at night to a balmy high of 31°C (88°F) during the day. The month averages a comfortable 19°C (67°F), making it a prime time for outdoor activities. However, be prepared for rain, as Nanjing experiences 168 mm (6.6 in) of precipitation over the course of 17 days, contributing to a humidity level of 73%. Whether you’re exploring the vibrant city or enjoying its historical treasures, April offers a delightful blend of warmth and refreshing showers.
In April, Nanjing begins to fully embrace spring, with temperatures showcasing a delightful shift. The month opens with a minimum of 7°C (45°F), rising to a pleasant 19°C (67°F) on average, and peaks at a warm 31°C (88°F). This pattern marks a clear transition from the cooler months of winter and early spring, where temperatures were as low as -2°C (29°F) in January and February. By April, the city experiences a noticeable warmth, making it an ideal time for outdoor activities and enjoying the blooming surroundings. As the month progresses, residents and visitors alike can bask in the budding vibrancy of the region, with temperatures hinting at the sultry summer just around the corner.
April marks a significant transition in Nanjing's weather pattern, boasting 168 mm (6.6 in) of precipitation over 17 days. This month represents a slight increase from March's 162 mm, indicating a steady rise in spring rainfall. With both April and March experiencing the same number of precipitation days, it's evident that the frequency of rainy periods is consistent as the city moves deeper into spring. Following April, May sees a further uptick in rainfall, reaching 171 mm (6.7 in), suggesting that the wet season is just starting to gain momentum. This trend highlights the progressive buildup of moisture in the atmosphere, setting the stage for lush growth and vibrant landscapes as Nanjing's spring unfolds.
In April, Nanjing experiences a noticeable dip in humidity, averaging around 73%, following the significantly higher levels of 77% in March. This slight decrease marks a transition from early spring's dampness towards the more intense humidity that characterizes the upcoming summer months. As the city gears up for May, where humidity spikes to a steamy 85%, April serves as a brief reprieve, hinting at the seasonal shifts to come. Interestingly, after this peak in the summer, humidity begins to decline again by the fall, illustrating a clear pattern of cyclic moisture throughout the year. With April acting as a pivotal month in this humidity transition, residents and visitors alike can appreciate the blend of freshness and warmth that nature offers.
In April, Nanjing, China experiences an extreme UV Index of 12, mirroring the intensity recorded in March. With only 10 minutes of exposure before skin damage occurs, the month marks a critical point in the calendar as residents are strongly advised to take sunscreen and protective measures seriously. This trend of unrelenting UV levels continues into May and June, where the UV Index peaks at 13, reinforcing the need for vigilance as the sunny days stretch ahead. As the spring warms up, understanding the soaring UV Index is essential for safe outdoor enjoyment. To learn more about the UV Index trends in Nanjing, visit Nanjing UV Index.
UV Risk Categories
April brings a delightful increase in sunshine hours to Nanjing, China, with 224 hours basking in the sun, perfectly setting the stage for the vibrant spring season. This marks a gentle rise from March's 209 hours and hints at the sunny days to come in May, which boasts an impressive 282 hours. As spring transitions into summer, the city experiences a continual surge in sunlight, culminating in the peak summer months of July and August, where sunshine hours exceed 300. This upward trend not only enhances the beauty of Nanjing’s blooming landscapes but also invites residents and visitors alike to enjoy the outdoors and embrace the warmth of the season.
As April arrives in Nanjing, China, the likelihood of sunny weather takes a noticeable dip, with a mere 27% chance of sunshine. This decline continues the trend established in early spring, where sunshine opportunities have already been outpaced by the more favorable months of January and February, boasting chances of 68% and 53% respectively. The weather pattern suggests a transition into cloudier days, with additional drops in sunshine probability occurring as summer approaches, particularly in June and August. Interestingly, the outlook begins to brighten again in September, hinting at a seasonal revival. Thus, while April may offer hints of spring, it presents a more subdued sun-soaked experience compared to earlier months.
As spring unfolds in Nanjing, April reveals a steady daylight duration of 12 hours—a continuation of March's brightness that brings a sense of vibrancy to the city. This month marks a pivotal transition, as daylight hours are on the rise, inching towards the longer days of May and June, which enjoy an impressive 13 hours of sunlight. After the winter months of January and February, where daylight lingered at 10 and 11 hours respectively, the gradual increase in sunlight not only enhances the beauty of blooming flowers but also encourages outdoor activities and a rejuvenated spirit among residents. As the days lengthen through spring and summer, Nanjing transforms into a lively tapestry of experiences, delighting in the longer daylight that characterizes its warmer months.
In April, the winds in Nanjing present a gentle shift, with an average speed of 2.0 m/s (4 mph). This marks a subtle decline from March's breezy 2.4 m/s as the city transitions into the warmth of spring. Interestingly, while April's winds are not the strongest of the year, they reflect a trend seen in the early months, where speeds hover between 2.0 m/s to 2.6 m/s. As the season progresses into May, a slight uptick to 2.3 m/s hints at the reawakening of the city and its surroundings, suggesting that while April may embrace stillness, it paves the way for the livelier gusts to come. The overall patterns indicate a harmonious blend of calm and invigorating breezes as Nanjing welcomes the bloom of spring.
Weather in Nanjing varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Nanjing, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January in Nanjing present contrasting weather conditions. In April, temperatures range from a cool 7°C (45°F) at night to a warm 31°C (88°F) during the day, with an average of 19°C (67°F). The month experiences significant rainfall, totaling 168 mm (6.6 in) over 17 days, contributing to a higher humidity of 73%. In contrast, January offers much cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 26°C (78°F), averaging around 10°C (50°F). Precipitation is notably less in January, with only 43 mm (1.7 in) over just 6 days and a humidity level of 63%. For more details, you can refer to Nanjing weather in January.
In comparing the weather of April and February, April generally experiences milder and more fluctuating temperatures, ranging from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average of 19°C (67°F). In contrast, February has cooler temperatures, with a minimum of -2°C (29°F) and an average of 11°C (52°F), peaking at 28°C (82°F). Furthermore, April sees significantly higher precipitation levels at 168 mm (6.6 in) over 17 days, compared to February's 82 mm (3.2 in) across just 9 days. Despite increased rainfall in April, the humidity is slightly higher in April at 73%, compared to February's 66%. For more detailed insights on February weather, visit Nanjing weather in February.
In March, the weather begins to warm up with an average temperature of 16°C (61°F) and maximums reaching up to 30°C (87°F). The month sees a minimum temperature of 4°C (40°F) and experiences relatively high humidity at 77%. Precipitation is also notable, with 162 mm (6.4 in) spread across 17 days. In contrast, April offers noticeably warmer conditions, featuring an average temperature of 19°C (67°F) and highs of up to 31°C (88°F). Although April has a slightly higher precipitation level at 168 mm (6.6 in) over the same 17 days, it does see a slight decrease in humidity to 73%. Overall, April's weather is characterized by warmer temperatures compared to March, making it a transition into more summery conditions. For more details on March weather, you can visit Nanjing weather in March.
In April, the weather experiences a wide temperature range, with minimums around 7°C (45°F) and maximums reaching up to 31°C (88°F), averaging 19°C (67°F). The month is marked by significant rainfall, accumulating 168 mm (6.6 in) over 17 days, while humidity hovers at 73%. In contrast, May sees warmer conditions, with minimum temperatures rising to 11°C (53°F) and maximums peaking at 34°C (94°F), leading to an average of 24°C (75°F). Precipitation slightly increases to 171 mm (6.7 in) over 19 days, and humidity also climbs to 85%. For more details on weather patterns in May, visit Nanjing weather in May.
April and June exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average temperature of 19°C (67°F). This month experiences moderate precipitation of 168 mm (6.6 in) over 17 days, coupled with a humidity level of 73%. In contrast, June sees significantly warmer temperatures, with a minimum of 18°C (64°F), an average of 26°C (79°F), and a peak of 34°C (94°F). Rainfall increases to 258 mm (10.1 in) spread across 21 days, and humidity rises to 83%. For a closer look at June’s weather patterns, consider visiting Nanjing weather in June.
April and July present contrasting weather conditions. In April, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average of 19°C (67°F). The month experiences significant rainfall, totaling 168 mm (6.6 in) across 17 days, and the humidity sits at a moderate 73%. In contrast, July is typically much warmer, with temperatures ranging from a minimum of 21°C (70°F) to a scorching maximum of 39°C (103°F) and an average of 28°C (83°F). While July sees less precipitation, at 98 mm (3.9 in) over 16 days, the humidity rises to a more uncomfortable 89%. For more detailed information, you can visit Nanjing weather in July.
April and August present distinctly different weather patterns. In April, temperatures range from a cool minimum of 7°C (45°F) to a pleasant maximum of 31°C (88°F), with an average of 19°C (67°F). The month is marked by considerable rainfall, totaling 168 mm (6.6 in) spread over 17 days, contributing to a moderate humidity level of 73%. In contrast, August experiences much warmer temperatures, ranging from a minimum of 22°C (71°F) to a hot maximum of 37°C (100°F), with an average temperature of 28°C (82°F). Although August has slightly less rainfall at 152 mm (6.0 in), it sees more rainy days (20) and higher humidity at 88%. For a detailed look at Nanjing weather in August, visitors can explore the conditions they might expect during this hot summer month.
April and September present distinct weather patterns, showcasing a shift from the coolness of spring to the warmth of early autumn. In April, temperatures range from a minimum of 7°C (45°F) to a comfortable average of 19°C (67°F), with occasional peaks reaching as high as 31°C (88°F). Despite this variability, the month is characterized by relatively high humidity at 73% and considerable rainfall, totaling 168 mm (6.6 in) over about 17 days.
In contrast, September sees a noticeable increase in warmth, with minimum temperatures rising to 17°C (63°F) and an average of 26°C (79°F), reaching maximums of up to 38°C (100°F). While September experiences less precipitation at 108 mm (4.3 in) over 15 days, the humidity decreases to 62%, making the heat feel more manageable. For more detailed insights into September weather in Nanjing, you can visit Nanjing weather in September.
April and October present distinct weather patterns, showcasing the transition from spring to fall. In April, temperatures range from a cooler 7°C (45°F) at night to a warm 31°C (88°F) during the day, with an average of 19°C (67°F). This month experiences significant rainfall, totaling 168 mm (6.6 in) over 17 days, contributing to a high humidity level of 73%. In contrast, October offers a milder climate, with nighttime temperatures starting at 11°C (52°F) and peaking at a maximum of 36°C (96°F) during the day, averaging around 21°C (70°F). The month is considerably drier, receiving only 50 mm (2.0 in) of precipitation over just 6 days, and enjoys a lower humidity of 56%. For more details, you can check Nanjing weather in October.
April and November present distinct weather patterns, showcasing the transition between seasons. In April, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (88°F), with an average of 19°C (67°F). This month is characterized by significant rainfall, receiving about 168 mm (6.6 in) over 17 days and a higher humidity level of 73%. In contrast, November experiences cooler temperatures, with a minimum of 5°C (42°F) and an average of 16°C (62°F), peaking at 30°C (87°F). Rainfall in November is much less, totaling only 45 mm (1.8 in) across 8 days and the humidity drops to 63%. Overall, April tends to be warmer and wetter than the drier and cooler November. For more specifics on November weather, visit Nanjing weather in November.
April and December present contrasting weather conditions. In April, temperatures range from a mild 7°C (45°F) to a warm 31°C (88°F), with an average of 19°C (67°F). This month sees considerable precipitation, totaling 168 mm (6.6 in) over 17 days, along with a humidity level of 73%. In contrast, December experiences cooler temperatures, with a minimum of 0°C (32°F), an average of 11°C (52°F), and a maximum of 26°C (79°F). Precipitation is significantly lower at 31 mm (1.2 in) over just 5 days, and the humidity is slightly lower at 70%. For more detailed insights into December weather, check out Nanjing weather in December.
April in Nanjing presents a vibrant transition into spring, marked by warmer temperatures and increased precipitation compared to the cooler and drier winter months. As the city shakes off the chill of the previous months, average highs approach a warm 31°C (88°F), inviting locals and visitors alike to enjoy the outdoors. However, the weather isn't without its clouds; with about 17 days of rain accumulating to around 168 mm (6.6 in), it’s wise to keep an umbrella handy. Humidity reaches a comfortable 73%, making the air feel refreshing yet pleasantly warm. For a deeper understanding of how April's climate compares to other months, check out Nanjing Climate.