April Weather in Jiangnan, China

Last updated: August 21, 2025

In April, Jiangnan, China experiences a delightful transition into spring, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 34°C (94°F) and an average of 19°C (66°F). The month is characterized by significant humidity at 77%, contributing to the region's lush, beautiful landscapes. Rainfall is prevalent, with a total precipitation of 139 mm (5.5 in) over approximately 14 rainy days, making it essential to embrace the refreshing, albeit damp, atmosphere. Overall, April in Jiangnan is a vibrant tapestry of warm weather and invigorating showers, heralding the beauty of the season.

April Temperature in Jiangnan

In April, Jiangnan, China, experiences a delightful transition as temperatures begin to rise, with the minimum hovering around 8°C (46°F) and the average reaching a comfortable 19°C (66°F). The region enjoys plenty of sunshine, as the days grow warmer, peaking at a maximum of 34°C (94°F). This steady increase follows the notable warmth of March, where a significant jump in temperatures hinted at the approaching summer. With the month marking an invigorating shift from winter's chill, April is often seen as a vibrant prelude to the hotter months, inviting locals and visitors alike to embrace the season's blossoming beauty.

April Weather in Jiangnan: Daily Temperature Highs, Lows, and Averages

The chart illustrates April temperature patterns in Jiangnan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Jiangnan, April typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec465059667177838475655648
Data source: Temperature data for Jiangnan generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

April Precipitation in Jiangnan

In April, Jiangnan, China experiences a notable increase in precipitation, reaching 139 mm (5.5 in) with rain falling on approximately 14 days. This marks a substantial rise from March's 101 mm (4.0 in) and sets the stage for an even wetter May. The trend indicates that as spring progresses, so does the intensity of rainfall, establishing a lush environment that is characteristic of the region. April’s precipitation not only supports the vibrant growth of flora but also signals the approach of the monsoon season, which typically leads to increased rainfall in the following months. As such, April is a pivotal month in the annual hydrological cycle of Jiangnan, bridging the gap between the drier winter months and the wet summer ahead.

April Precipitation Trends in Jiangnan

The chart displays monthly precipitation patterns in Jiangnan, with values for each month alongside April’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April’s conditions compare to those of other months. In Jiangnan, April typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec30471011391861511841381791186029
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Jiangnan

In April, humidity levels in Jiangnan, China, settle at a comfortable 77%, marking a slight decrease from the peak of 80% in March. This trend suggests a transitional phase as the region prepares for the warmer months ahead. The steady rise from 72% in January to 80% in March highlights the gradual increase in moisture typical of early spring. With May approaching, humidity is set to climb again, reaching 82%, reinforcing the pattern of escalating humidity that characterizes this region as summer nears. This oscillation illustrates Jiangnan's dynamic climate, where changes in humidity not only signal the progression of seasons but also influence the lush landscapes that the area is renowned for.

April Average Humidity in Jiangnan

This chart illustrates the average monthly humidity levels in Jiangnan, with April’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In April, average humidity in Jiangnan is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec72%76%80%77%82%85%85%87%84%81%86%81%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Jiangnan

In April, the UV Index in Jiangnan, China reaches a striking 10, categorized as very high, which means the potential for harm from unprotected sun exposure significantly increases. With a recommended burn time of just 15 minutes, this month marks a sharp rise from the previous months, where the burn time gradually decreased. It's a signal that spring is in full swing, and as we transition into May—with an even more intense UV Index of 11—protective measures become increasingly vital for outdoor activities. Being aware of these trends is essential for ensuring safe sun exposure. For more detailed insights on UV levels throughout the year, visit Jiangnan UV Index.

Maximum UV Index Levels in Jiangnan for April

The chart shows the monthly maximum UV Index (UVI) for Jiangnan in April, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In April, the maximum UV index in Jiangnan typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec56810111112129964
Data source: Jiangnan April UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

April Sunshine in Jiangnan

As spring unfolds in Jiangnan, April bathes the region in a delightful 210 hours of sunshine, a significant increase from the 191 hours recorded in March. This sunny transition not only heralds warmer temperatures but also marks the beginning of the region's vibrant floral displays. The upward trend continues in May, where sunshine peaks at 243 hours, solidifying Jiangnan's reputation as a picturesque destination. Following the April surge, the consistent increase through the summer months highlights a seasonal rhythm, with July and August basking in their respective 298 and 313 hours of sunlight, contrasting beautifully with the milder, resourceful sunshine experienced in the late months of the year. Thus, April sets the stage for a sun-drenched summer, promising a lively and picturesque landscape in the heart of China.

Monthly Sunshine Duration in Jiangnan: April Highlighted

The April sunshine duration represents the total number of hours Jiangnan experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec107h155h191h210h243h251h298h313h217h141h148h122h
Data source: Jiangnan April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Jiangnan During April

As April arrives in Jiangnan, China, the likelihood of sunny weather takes a noticeable dip, with only a 15% chance of sunshine. This decline is particularly striking when compared to the preceding months, as the sun shines for about 31% of the time in January and July, and although March offers a slightly higher chance of sun at 26%, it still falls short of earlier winter expectations. Following April, the prospects for clear skies begin to hover around 18% in May and lower to 14% in June, revealing a trend of variable cloudiness as spring transitions into summer. Overall, while April may not promise abundant sunshine, it sets the stage for a gradual shift toward more favorable weather conditions in the months to come.

Percentage of Sunny Days in April in Jiangnan

The chart illustrates the percentage of sunny days in Jiangnan throughout the year, with April highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Jiangnan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec31%30%26%15%18%14%31%25%37%20%24%24%
Data source: Jiangnan April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Jiangnan in April

As spring unfolds in Jiangnan, China, the month of April marks a delightful transition, with daylight extending to 12 hours—an hour more than in the previous months of March. This gradual increase reflects the region's shift toward longer, sunnier days as winter recedes. Following this pattern, May will usher in even more sunlight with 13 hours of daylight, heralding the arrival of summer, while the peak in June will bathe the land in an impressive 14 hours of brightness. The trend is clear: as the seasons change, so does the rhythm of daylight, enriching the landscape with vibrant colors and longer opportunities to savor the beauty of nature.

Average Daylight Hours in Jiangnan for April

The chart illustrates the variation in daylight duration in Jiangnan throughout the year, with April highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 27m11h 7m11h 59m12h 53m13h 37m14h13h 48m13h 9m12h 18m11h 25m10h 39m10h 15m
Data source: Jiangnan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

April Winds in Jiangnan

April brings a gentle breeze to Jiangnan, with an average wind speed of 1.5 m/s (3 mph), which keeps the enchanting scenery of spring alive and vibrant. Following a gradual increase in wind from 1.4 m/s (3 mph) in January to a peak of 1.6 m/s (4 mph) in March, April's conditions provide a soothing balance before the winds mellow out again in May. This slight fluctuation highlights a transitional period in Jiangnan's climate, as nature shakes off the chill of winter, making way for the warmth and blooming life of late spring. As the seasons progress, the wind dynamics subtly shift, offering both serenity and a touch of invigorating refreshment to the picturesque landscape.

Average April Wind Speed in Jiangnan

The chart displays monthly wind speed patterns in Jiangnan, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec1.41.51.61.5 m/s1.41.51.31.51.91.51.31.3
Data source: Jiangnan April wind data, generated using information from the Copernicus Climate Change Service.

How April Weather in Jiangnan Compares to Other Months

Weather in Jiangnan varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Jiangnan, focusing on differences in temperature, rainfall, humidity, and UV levels.

April and January present stark contrasts in weather patterns. In April, the temperatures range from a chilly minimum of 8°C (46°F) to a warm maximum of 34°C (94°F), with an average temperature of 19°C (66°F). The month is relatively wet, with 139 mm (5.5 in) of precipitation over 14 days and a humidity level of 77%. In contrast, January experiences much colder conditions, with temperatures dropping to a minimum of -2°C (30°F) and only reaching a maximum of 17°C (63°F), averaging at 8°C (47°F). The precipitation is significantly lower at 30 mm (1.2 in) over 8 days, accompanied by a humidity of 72%. For more insights on January weather, you can visit Jiangnan weather in January.

When comparing the weather in April to that of February, April tends to be significantly warmer and wetter. The temperature in April ranges from a minimum of 8°C (46°F) to a maximum of 34°C (94°F), with an average of 19°C (66°F). In contrast, February has cooler temperatures, with a minimum of 1°C (34°F) and a maximum of 25°C (78°F), averaging just 10°C (50°F). Additionally, April experiences more rainfall, with 139 mm (5.5 in) over 14 days, compared to February's 47 mm (1.9 in) across 9 days. Despite the higher humidity in April at 77%, February manages to maintain a similar level at 76%. For more detailed information on February weather in the Jiangnan region, you can visit Jiangnan weather in February.

In comparing the weather between March and April, it's clear that April experiences warmer temperatures, with an average of 19°C (66°F) compared to March's 15°C (59°F). The maximum temperature in April reaches up to 34°C (94°F), slightly higher than March's peak of 32°C (90°F). However, April also brings more precipitation with 139 mm (5.5 in) over 14 days, surpassing March's 101 mm (4.0 in) across 15 days. Humidity levels remain quite similar, with April at 77% and March at 80%. For a detailed look at March weather, visit Jiangnan weather in March.

April and May exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 8°C (46°F) to a maximum of 34°C (94°F), with an average temperature of 19°C (66°F). This month experiences significant rainfall, totaling 139 mm (5.5 in) over 14 days and a humidity level of 77%. In contrast, May sees warmer temperatures, with a minimum of 12°C (54°F) and a maximum of 36°C (97°F), leading to an average of 22°C (71°F). Rainfall increases to 186 mm (7.3 in) over 19 days, contributing to a higher humidity level of 82%. For more detailed insights on the weather conditions in May, you can refer to Jiangnan weather in May.

In April, the weather experiences a wider temperature range, with minimums dipping to 8°C (46°F) and maximums soaring to 34°C (94°F), resulting in an average temperature of 19°C (66°F). The month sees a significant amount of precipitation, totaling 139 mm (5.5 in) over 14 days, with humidity averaging around 77%. In contrast, June showcases warmer temperatures, with minimums at 16°C (62°F) and maximums reaching up to 36°C (96°F), leading to a more comfortable average of 25°C (77°F). Additionally, June has slightly higher precipitation at 151 mm (6.0 in) across 16 days, along with increased humidity levels at 85%. For a more detailed understanding of the June climate, you can explore Jiangnan weather in June.

April and July exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 8°C (46°F) to a maximum of 34°C (94°F), with an average temperature of 19°C (66°F). The month experiences 139 mm (5.5 in) of precipitation over 14 days, along with a humidity level of 77%. In contrast, July is noticeably warmer, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 39°C (103°F) and an average temperature of 28°C (83°F). This summer month records higher precipitation at 184 mm (7.3 in) over 16 days, coupled with increased humidity at 85%. For a closer look at the climatic conditions, you can visit Jiangnan weather in July.

April and August offer contrasting weather experiences, characterized by distinct temperature ranges and humidity levels. In April, temperatures start cooler, with a minimum of 8°C (46°F) and an average of 19°C (66°F), peaking at a maximum of 34°C (94°F). During this month, precipitation is relatively high, averaging 139 mm (5.5 in) across 14 days, coupled with a humidity level of 77%. In stark contrast, August features a much warmer climate with minimum temperatures around 19°C (67°F), an average of 29°C (85°F), and a scorching maximum reaching 40°C (104°F). While precipitation remains similar at 138 mm (5.4 in) over 13 days, humidity increases to 87%, adding to the summer's sweltering feel. For more detailed insights on August weather, you can check out Jiangnan weather in August.

In April, the weather is characterized by a milder temperature range, with a minimum of 8°C (46°F) and a maximum of 34°C (94°F). However, it experiences significant rainfall, accumulating around 139 mm (5.5 in) over 14 days, along with a humidity level of 77%. In contrast, September offers warmer temperatures, with a minimum of 17°C (62°F) and a maximum of 37°C (100°F), accompanied by an increase in precipitation to 179 mm (7.0 in) over 16 days and slightly higher humidity at 84%. This comparison highlights the transition from the cooler, wetter conditions of April to the hotter, more humid atmosphere prevalent in September. For more detailed insights into September weather, visit Jiangnan weather in September.

April and October both feature mild temperatures with average highs around 19°C (66°F) and 18°C (65°F) respectively. However, April tends to be slightly warmer, with maximum temperatures reaching up to 34°C (94°F) compared to October's peak of 35°C (96°F). Precipitation levels are relatively close, with April receiving 139 mm (5.5 in) over 14 days, while October sees a bit less rain at 118 mm (4.6 in) over 15 days. The humidity is slightly higher in October at 81%, compared to April's 77%. For more insights on the October weather, you can check out Jiangnan weather in October.

April and November display distinct weather patterns, highlighting the transition from spring to late autumn. In April, temperatures range from a minimum of 8°C (46°F) to a comfortable average of 19°C (66°F), with maximums reaching up to 34°C (94°F). This month is marked by significant rainfall, accumulating 139 mm (5.5 in) over 14 days, and a humidity level of 77%. Conversely, November experiences cooler temperatures, with a minimum of 4°C (39°F) and an average of 13°C (56°F), peaking at 26°C (79°F). Precipitation during this month is much less at 60 mm (2.4 in) across 12 days, though humidity rises to 86%. These differences make April feel much warmer and wetter compared to the cooler, drier November. For a more detailed look at the weather in November, you can refer to Jiangnan weather in November.

April and December showcase contrasting weather patterns. In April, temperatures soar with a minimum of 8°C (46°F), an average of 19°C (66°F), and can reach a high of 34°C (94°F), making it a much warmer month. In contrast, December experiences cooler weather, with a minimum of 0°C (32°F), an average of 9°C (49°F), and a maximum of 18°C (64°F). Additionally, April sees significantly more rainfall, totaling 139 mm (5.5 in) over 14 days, while December is relatively dry with only 29 mm (1.1 in) over 8 days. Humidity levels are similar, with April at 77% and December slightly higher at 81%. For more detailed insights about December weather in Jiangnan, visit Jiangnan weather in December.

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Conclusion: What to Expect From April Weather in Jiangnan

As April unfolds in Jiangnan, the region experiences a transformative shift in weather, marking the transition to spring with a blend of warmth and moisture. Temperatures rise, offering a pleasant contrast to the cooler months, while average humidity levels hover around a comfortable 77%. This month also brings increased precipitation, resulting in lush landscapes that awaken from winter's grasp. With frequent rain spread over approximately half the days, April stands out as a time of rejuvenation, celebrating nature's vibrant return. For a more detailed insight into Jiangnan's climatic patterns, visit Jiangnan Climate.