Last updated: August 21, 2025
April in Hangzhou, China brings a vibrant shift in weather as spring unfolds. With a maximum temperature soaring up to 34°C (94°F) and a comfortable average of 18°C (64°F), the days are pleasantly warm but can start with a crisp minimum of 4°C (40°F) at night. However, this month also sees moderate precipitation, averaging 89 mm (3.5 in) over approximately 10 days, contributing to the region's lush greenery. The humidity level remains high at 87%, adding a touch of warmth to the air and creating a beautifully refreshing atmosphere for outdoor activities and exploration.
In April, Hangzhou experiences a delightful transition into warmer weather, with temperatures showing a promising rise. Minimum temperatures settle around 4°C (40°F), while the average climbs to a comfortable 18°C (64°F), making it an ideal time for outdoor activities. The highs can reach an impressive 34°C (94°F), hinting at the approaching heat of summer. This month marks a significant shift from the chill of winter, with a noticeable increase in warmth compared to March, laying the groundwork for the balmy months ahead. As the city sheds its cool embrace, April invites visitors to enjoy the blooming landscapes and vibrant culture, setting a picturesque backdrop for exploration.
In April, Hangzhou experiences a notable transition in its precipitation patterns, receiving 89 mm (3.5 in) of rainfall over roughly 10 days. This amount marks a decrease from March's 119 mm (4.7 in), indicating a slight easing as the city moves deeper into spring. Despite the lower total, April's rainfall still supports the blossoming landscapes typical of the season, paving the way for the even wetter months ahead. As May approaches, rainfall will surge dramatically, with expectations set at 165 mm (6.5 in), reinforcing the trend of escalating precipitation that characterizes the early summer months in this scenic region.
In April, Hangzhou experiences a noticeable rise in humidity, reaching 87%, which marks a significant increase from the previous months. This trend indicates the onset of the rainy season, as humidity has steadily escalated from 70% in January to the lofty 81% in March. The peak humidity of 87% in both April and May sets the stage for an increasingly damp atmosphere leading into the summer months. As the warmth of June approaches with humidity climbing even further to 89%, residents can expect the air to become increasingly heavy, subtly signaling the region's characteristic wet and warm climate. Overall, April vividly illustrates the dramatic transition into the more tropical conditions that define Hangzhou's late spring and early summer.
In April, Hangzhou experiences a notable spike in the UV Index, reaching 10, which classifies the exposure risk as very high. With this heightened level, residents and visitors alike should be aware that even short periods in direct sunlight can result in sunburn, with a burn time of just 15 minutes. This trend follows the sharp increase from March, where the UV Index was already at a striking 9. As the city transitions into the warmer months, it's essential to adopt sun protection measures, especially since May and June present even more extreme conditions. For detailed insights on UV levels throughout the year, check the Hangzhou UV Index.
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As April unfolds in Hangzhou, the sunshine hours soar to an impressive 249, marking a notable increase from the previous months. This progressive climb began in January and has steadily built momentum, with each month showcasing more vibrant daylight than the last. March, with 210 hours, hinted at the approaching warmth, yet April's brilliance truly signals the onset of the sunny season. Following April, May continues this trend, reaching 273 hours of sunlight, while the summer months appear ready to embrace even more intense brightness. Such a steady ascent reflects the city's transition into a lush, sun-kissed environment, inviting both residents and visitors to bask in its natural beauty as the days grow longer and more luminous.
As April unfolds in Hangzhou, the chance of sunny weather dips slightly to 31%, following March's peak of 26%. This marks a notable decrease from the sunniest months of January and December, with chances at 51% and 65%, respectively. Though April is not the sunniest month, it offers a brief respite from the gloom of winter, hinting at the gradual transition toward brighter days ahead in May and June, where the likelihood continues to hover around the lower end of the spectrum. With spring in the air, outdoor enthusiasts can still find moments of sunshine to enjoy amidst the often capricious weather, making every sunny hour in April a delightful bonus.
As April arrives in Hangzhou, China, the days start to blossom with increased daylight, extending to 12 hours—a full hour more than March. This upward trend marks the transition into the vibrant spring season, following the gradual lengthening of daylight that began in January with just 10 hours. The steady climb from spring to summer peaks in June, reaching an impressive 14 hours of sunlight, before beginning a gentle decline. April's embrace of longer days not only enhances the beauty of the city's picturesque landscapes but also invites residents and visitors alike to relish the outdoor experiences that this time of year offers.
In April, Hangzhou experiences a consistent breeze with an average wind speed of 2.5 m/s (6 mph), mirroring the calmness of the preceding months. This steady airflow sets the stage for the city's vibrant spring atmosphere, as flowers bloom and the landscape transforms. As the year progresses into May, a slight dip to 2.3 m/s (5 mph) indicates a gentle shift, while July brings a welcome increase to 3.2 m/s (7 mph), infusing energy into the summer heat. Overall, the wind patterns illustrate a serene yet dynamic climate, with April standing out as a tranquil point before the gustier months ahead.
Weather in Hangzhou varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in Hangzhou, focusing on differences in temperature, rainfall, humidity, and UV levels.
April and January present a stark contrast in weather conditions. In April, temperatures range from a chilly 4°C (40°F) to a warm 34°C (94°F), with an average of 18°C (64°F). This month sees about 89 mm (3.5 in) of precipitation over approximately 10 days, coupled with high humidity at 87%. In contrast, January experiences far colder temperatures, with a minimum of -9°C (16°F) and a maximum of 24°C (75°F), averaging only 6°C (43°F). It has slightly less precipitation at 79 mm (3.1 in) over 9 days and lower humidity at 70%. For a more detailed look at January weather, visit Hangzhou weather in January.
April generally brings more temperate and warmer weather compared to February. With average temperatures ranging from a minimum of 4°C (40°F) to a maximum of 34°C (94°F), April's conditions are notably milder than February's range of -4°C (25°F) to 27°C (80°F). Additionally, April experiences higher humidity at 87% and more precipitation, totaling 89 mm (3.5 in) over approximately 10 days, compared to February's 68 mm (2.7 in) over 9 days. As such, those looking to experience the transition into spring should prepare for significantly warmer and more humid conditions in April. For a deeper look at February's weather specifics, you can visit Hangzhou weather in February.
April generally offers warmer temperatures compared to March, with average highs reaching 34°C (94°F) and lows around 4°C (40°F), whereas March only sees a maximum of 29°C (85°F) and a minimum of 2°C (35°F). Despite this increase in warmth, April also brings slightly less precipitation, totaling 89 mm (3.5 in) over 10 days, compared to March’s 119 mm (4.7 in) over 14 days. Additionally, April's humidity is higher at 87%, compared to 81% in March, suggesting a more muggy atmosphere as spring progresses. For more detailed insights, check out Hangzhou weather in March.
April and May in Hangzhou exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 4°C (40°F) to a maximum of 34°C (94°F), with an average around 18°C (64°F). The month experiences approximately 89 mm (3.5 in) of precipitation over 10 days, maintaining a high humidity level of 87%. In contrast, May sees a significant rise in temperatures, with lows increasing to 11°C (52°F) and highs reaching up to 38°C (101°F), averaging 23°C (73°F). The precipitation also escalates, totaling 165 mm (6.5 in) over 12 days, while maintaining the same humidity level of 87%. For more detailed information, you can check out Hangzhou weather in May.
April and June exhibit significant differences in weather patterns. In April, temperatures range from a chilly minimum of 4°C (40°F) to a pleasantly warm average of 18°C (64°F), with maximums reaching up to 34°C (94°F). This month experiences 89 mm (3.5 in) of precipitation over approximately 10 days, with humidity levels around 87%. In contrast, June is significantly warmer, with temperatures ranging from a minimum of 17°C (62°F) to a comfortable average of 25°C (78°F), peaking at 37°C (99°F). Additionally, June is much wetter, receiving 348 mm (13.7 in) of rainfall over 18 days, while humidity slightly increases to 89%. For a more detailed overview, check out Hangzhou weather in June.
April and July present quite contrasting weather conditions. In April, temperatures range from a cool minimum of 4°C (40°F) to a warm maximum of 34°C (94°F), with an average of 18°C (64°F). The month sees about 89 mm (3.5 in) of precipitation over approximately 10 days, accompanied by a relatively high humidity level of 87%. In contrast, July is much warmer, with temperatures fluctuating between a minimum of 22°C (71°F) and a scorching maximum of 41°C (106°F), resulting in an average temperature of 29°C (85°F). This month experiences significantly more rainfall, totaling 233 mm (9.2 in) over about 17 days, and humidity increases slightly to 93%. For more detailed statistics and information, check out Hangzhou weather in July.
April and August present contrasting weather patterns, both in temperature and precipitation. In April, temperatures typically range from a chilly 4°C (40°F) at night to a warm 34°C (94°F) during the day, with an average of 18°C (64°F). The month experiences about 89 mm (3.5 in) of rainfall over 10 days, accompanied by high humidity levels at 87%. In stark contrast, August boasts a much warmer climate, with nighttime lows of 18°C (65°F) and daytime highs reaching up to 40°C (103°F), averaging around 30°C (86°F). Precipitation also increases significantly to 163 mm (6.4 in) over approximately 14 days, and humidity rises slightly to 91%. For more specific details on August weather patterns, you can refer to Hangzhou weather in August.
April and September showcase distinct weather patterns, reflecting the transitions of spring and early autumn. April experiences cooler temperatures, with a minimum of 4°C (40°F) and an average of 18°C (64°F), reaching a maximum of 34°C (94°F). However, it is also characterized by high humidity at 87% and 89 mm (3.5 in) of precipitation over about 10 days. In contrast, September presents warmer conditions, with temperatures ranging from a minimum of 16°C (62°F) to an average of 26°C (78°F), peaking at 36°C (98°F). Although the humidity remains high at 81%, September sees an increase in total precipitation, totaling 133 mm (5.2 in) across 13 days. For more detailed information, you can visit Hangzhou weather in September.
April and October showcase distinct weather patterns. In April, temperatures range from a cool 4°C (40°F) at night to a warm 34°C (94°F) during the day, with an average temperature of 18°C (64°F). This month also experiences significant rainfall, averaging 89 mm (3.5 in) over about 10 days, paired with high humidity levels at 87%. In contrast, October offers milder conditions, with temperatures starting at 9°C (48°F) and peaking at 35°C (95°F), averaging around 20°C (68°F). Precipitation is lower in October, with only 56 mm (2.2 in) expected over six days, and the humidity drops to 80%. For more details, check out Hangzhou weather in October.
In April, the weather is characterized by a warmer climate, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 34°C (94°F), and an average of 18°C (64°F). This month experiences higher humidity at 87% and more precipitation, totaling 89 mm (3.5 in) over approximately 10 days. In contrast, November brings cooler temperatures, with a minimum of 1°C (35°F) and a maximum of 31°C (89°F), averaging 14°C (58°F). November also has lower precipitation levels of 60 mm (2.4 in) and slightly less rainy days, with 9 total. For a detailed look at the weather patterns in November, you can visit Hangzhou weather in November.
April and December showcase contrasting weather patterns. In April, temperatures range from a minimum of 4°C (40°F) to a maximum of 34°C (94°F), with an average of 18°C (64°F). The month experiences significant rainfall, with 89 mm (3.5 in) of precipitation over about 10 days, and the humidity can be quite high at 87%. In contrast, December brings much cooler temperatures, ranging from a low of -4°C (25°F) to a high of 23°C (74°F), with a more moderate average of 8°C (47°F). Precipitation decreases to 66 mm (2.6 in) over approximately 8 days, and humidity drops to 77%. For a more detailed look at December weather specifics, you can check Hangzhou weather in December.
As you explore April weather in Hangzhou, you'll find a notable shift from the cooler months preceding it. With temperatures rising significantly, the month boasts a comfortable average that invites both locals and tourists to enjoy the city's exquisite landscapes. While occasional rain adds a refreshing touch, the increased humidity at 87% can make the air feel warmer. Unlike the chill of earlier months, April offers a blend of warmth and moisture, making it the perfect time to experience the beauty of Hangzhou. For more details on the city's weather patterns throughout the year, check out Hangzhou Climate.