Last updated: August 21, 2025
May in Xihu, China is characterized by a range of weather conditions that reflect the transition into the warmer months. With maximum temperatures peaking at a sweltering 36°C (97°F) and an average of 21°C (71°F), residents and visitors can expect pleasant days interspersed with cooler nights, where temperatures dip to a comfortable 10°C (50°F). However, this month brings about notable precipitation, accumulating 133 mm (5.3 in) over 8 days, which contributes to the region's lush greenery. The high humidity level at 80% enhances the tropical feel, making May a vibrant yet somewhat sticky period in Xihu.
In May, Xihu, China, experiences a noticeable shift towards warmer temperatures, marking the transition into summer. The temperature range begins to rise, with minimums around 10°C (50°F), averaging a comfortable 21°C (71°F), and peaking at a sizzling 36°C (97°F). This month stands out as the point where the chilly winter air fades, allowing lush greenery to flourish throughout the region. As the temperatures climb, residents and visitors alike are drawn outdoors, making it an ideal time for leisurely strolls around Xihu Lake or enjoying the vibrant local culture. With a robust increase compared to previous months, May serves as a prelude to the hot summer ahead, bringing both warmth and life to the enchanting landscapes of Xihu.
In May, Xihu, China, experiences a notable surge in precipitation, with an impressive 133 mm (5.3 in) of rain falling over 8 days. This marked increase compared to the preceding months highlights the transition into the region's wet season. April's rainfall of 57 mm (2.3 in) serves as a precursor, further intensifying as the month progresses. Following May, June typically sees even heavier rain, emphasizing a clear upward trend in precipitation that peaks in July. This pattern underscores the significance of May as a crucial month in the annual hydrological cycle, setting the stage for the downpours to come.
In Xihu, China, May marks the transition from spring to summer, maintaining a humidity level of 80%. This represents a slight dip from the increasingly moist conditions of April, which saw an 83% humidity rate. The trend indicates that as the year progresses, humidity generally rises, peaking in the sleepy heat of July with 88%. Interestingly, while May feels relatively humid, it stands out as a brief respite before the summer's oppressive stickiness takes hold. The gradual increase in humidity from the dry chill of January (64%) to the mugginess of mid-summer highlights Xihu’s humid subtropical climate, where humidity plays a pivotal role in shaping the overall weather experience.
As May arrives in Xihu, China, residents and visitors should be aware of the very high UV Index of 10, similar to the preceding month of April. This level of UV exposure means that burn time is significantly short at just 15 minutes, making it essential to take proper precautions when spending time outdoors. The trend in UV exposure is undeniable, as it escalates dramatically from the moderate levels of January to February and reaches its peak in the late spring. Following May, June, July, and August are expected to maintain an extreme UV Index, with a burn time shrinking to just 10 minutes. This sharp increase underscores the importance of sun safety practices. For more information, visit Xihu UV Index.
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In Xihu, China, May heralds the peak of sunshine with an impressive 283 hours of glorious daylight, tying with June and only slightly trailing behind the sun-drenched August, which boasts 303 hours. This upward trend in sunlight begins as early as January, where the hours increase steadily from 165 to 216 in February, and further to 245 by March. April sets a promising stage with 252 hours, paving the way for May's vibrant brightness. As summer approaches, the sunshine continues to flourish, demonstrating a clear pattern of increasing daylight that captivates both locals and visitors alike. Amidst this warmth, the vibrant landscapes of Xihu come alive, inviting outdoor adventures and serene moments in nature.
As we step into May in Xihu, China, the likelihood of enjoying sunny weather takes a dip, with only 29% chance of sunshine. This decline is consistent with the preceding months, where both March and April show even lower probabilities of clear skies. Interestingly, May's sunny outlook is notably brighter than the summer months of June and July, which hover around 29% and 23%, respectively. However, residents can look forward to an eventual resurgence of sunnier days in September, boasting a 48% chance—a stark contrast to the early springs. Overall, while May may present a somewhat gloomy forecast, the shifting patterns hint at sunnier days ahead later in the year.
As the year unfolds in Xihu, China, daylight duration evolves significantly, peaking in the summer months. January kicks off with 10 hours of daylight, gradually increasing to 13 hours by May, marking a key transition into longer days and vibrant spring. This upward trend continues into June and July, when daylight reaches its zenith at 14 hours, inviting outdoor activities and exploration. However, as summer wanes, the days begin to shorten once more, retracing back to 13 hours in August and tapering down to 10 hours by December. This cyclical pattern highlights a harmonious rhythm of light and dark, enriching the seasonal tapestry of Xihu throughout the year.
In May, Xihu experiences a gentle breeze with an average wind speed of 3.0 m/s (7 mph), mirroring the calmness of the preceding month, April. This stability in wind conditions sets a tranquil backdrop for the lush spring landscape, making it an ideal time for outdoor activities. As the season progresses into June, a slight dip in wind speed to 2.8 m/s (6 mph) is observed, hinting at the approaching summer's warmth. Notably, May's breeziness contrasts with the more variable wind patterns in the earlier months, signifying a transition into a more stable climate perfect for enjoying the beauty of Xihu's natural scenery.
Weather in Xihu varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Xihu, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present starkly contrasting weather conditions. In May, temperatures can range from a low of 10°C (50°F) to a scorching high of 36°C (97°F), with an average temperature of around 21°C (71°F). This month also experiences higher humidity at 80%, along with 133 mm (5.3 in) of precipitation over approximately 8 days. In contrast, January is much colder, with temperatures dipping as low as -9°C (17°F) and only reaching a maximum of 17°C (63°F), resulting in an average temperature of just 4°C (39°F). Additionally, January sees significantly less precipitation at 47 mm (1.8 in) over 7 days and lower humidity levels at 64%. For more detailed information on weather specifics, you can explore Xihu weather in January.
May and February present a striking contrast in weather conditions. In May, temperatures range from a low of 10°C (50°F) to a scorching high of 36°C (97°F), averaging around 21°C (71°F). The month sees considerable precipitation, totaling 133 mm (5.3 in) over 8 days, with high humidity levels at 80%. In contrast, February experiences much cooler temperatures, with a minimum of -6°C (22°F) and a maximum of 26°C (78°F), averaging only 6°C (42°F). Precipitation is relatively low in February at 44 mm (1.7 in) over the same number of days, and humidity is also lower at 71%. For a more detailed look at February's weather, you can visit Xihu weather in February.
May showcases much warmer temperatures compared to March, with average highs reaching up to 36°C (97°F) versus March's maximum of 29°C (85°F). The minimum temperature in May is also significantly higher at 10°C (50°F) compared to March's chilly -2°C (30°F). While both months experience eight days of precipitation, May sees considerably more rainfall with 133 mm (5.3 in) compared to March's 53 mm (2.1 in). Additionally, humidity levels remain consistent at 80% across both months, making the air feel damp and heavy. For more detailed weather information, check Xihu weather in March.
In comparing the weather between April and May, it is evident that May experiences higher temperatures, with an average of 21°C (71°F) compared to April's 16°C (61°F). The maximum temperature in May can reach a sweltering 36°C (97°F), significantly higher than April's peak of 31°C (89°F). While both months have precipitation on about eight days, May sees a substantial increase in rainfall, totaling 133 mm (5.3 in), compared to April's 57 mm (2.3 in). Humidity levels are slightly lower in May at 80% versus April’s 83%, indicating a more comfortable atmosphere despite the increased heat and precipitation. For a detailed look at the weather conditions in April, you can visit Xihu weather in April.
In comparing the weather of May and June, one can observe notable differences in temperature and precipitation. May experiences a range of minimum temperatures starting at 10°C (50°F) and peaking at an average of 21°C (71°F), while June begins with a higher minimum temperature of 16°C (62°F) and an average of 25°C (78°F). Both months see maximum temperatures soaring to 36°C (97°F), but June feels warmer overall due to its higher average. In terms of precipitation, May receives about 133 mm (5.3 in) over 8 days, slightly less than June's 154 mm (6.1 in) across 9 days, making June a bit wetter. Humidity levels remain relatively high in both months, with May at 80% and June at 81%. For more detailed insights about June’s weather, you can visit Xihu weather in June.
In comparing the weather between May and July, we can observe some notable differences. May experiences a minimum temperature of 10°C (50°F) and averages around 21°C (71°F), with a maximum of 36°C (97°F). It sees an average precipitation of 133 mm (5.3 in) over about 8 days, accompanied by a humidity level of 80%. In contrast, July is significantly warmer with a minimum temperature of 19°C (66°F) and an average of 28°C (82°F), reaching up to 38°C (101°F) at its peak. The month also brings much more rainfall, totaling 270 mm (10.6 in) over 17 days, and higher humidity at 88%. For a detailed look at the weather conditions specific to July, you can check out Xihu weather in July.
In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 36°C (97°F), with an average of 21°C (71°F). The month experiences about 133 mm (5.3 in) of precipitation over 8 days, accompanied by a humidity level of 80%. In contrast, August boasts higher temperatures, with a minimum of 21°C (71°F) and an average of 28°C (83°F), while still reaching a maximum of 36°C (98°F). Precipitation during this month is slightly greater at 155 mm (6.1 in) spread over 14 days, and humidity rises to 85%. For more detailed weather insights, you can check Xihu weather in August.
In May, temperatures range from a cool 10°C (50°F) at night to a warm average of 21°C (71°F) during the day, with highs reaching up to 36°C (97°F). This month experiences significant rainfall, totaling 133 mm (5.3 in) over about 8 days, coupled with high humidity at 80%. In contrast, September offers a slightly warmer minimum temperature of 14°C (58°F) and an average high of 24°C (76°F), while still reaching the same maximum of 36°C (97°F). Precipitation decreases to 100 mm (3.9 in) across approximately 10 days, and humidity drops to a more comfortable 72%. For more detailed insights into September's weather, visit Xihu weather in September.
May and October present distinct weather patterns, reflecting the transition from spring to autumn. In May, temperatures range from a cool 10°C (50°F) at night to a warm average of 21°C (71°F) during the day, with potential highs reaching up to 36°C (97°F). This month is generally more humid, with an average humidity of 80% and around 133 mm (5.3 in) of rainfall spread across 8 days. In contrast, October sees cooler temperatures, dipping to a minimum of 6°C (43°F) and averaging 18°C (64°F), while peaking at a comfortable 33°C (91°F). Rainfall is significantly less, totaling about 59 mm (2.3 in) over the same number of days, and humidity levels are slightly lower at 76%. For more detailed insights into the October weather, you can check Xihu weather in October.
May and November present distinct contrasts in weather. In May, temperatures range from a minimum of 10°C (50°F) to a maximum of 36°C (97°F), with an average of around 21°C (71°F). This month experiences higher precipitation of 133 mm (5.3 in) across approximately 8 days, along with a humidity level of 80%, making it feel quite warm and muggy. In contrast, November's climate is much cooler, with temperatures fluctuating from a minimum of 0°C (33°F) to a maximum of 28°C (83°F) and an average of just 12°C (55°F). Precipitation drops significantly to 40 mm (1.6 in) over about 5 days, and humidity slightly increases to 84%. For a closer look at November's weather conditions, check out Xihu weather in November.
May and December present stark contrasts in weather. In May, temperatures range from a mild 10°C (50°F) to a scorching 36°C (97°F), with an average of 21°C (71°F). The month also sees significant precipitation, totaling 133 mm (5.3 in) over about 8 days, accompanied by high humidity levels of 80%. In contrast, December offers a much colder climate, with temperatures dipping to a minimum of -8°C (19°F) and peaking at 19°C (67°F), averaging around 6°C (42°F). Precipitation in December is relatively low at 39 mm (1.5 in) across just 6 days, and the humidity is slightly lower at 75%. For a more detailed look at December's climate, check out Xihu weather in December.
As May unfolds in Xihu, the weather transforms into a warm and inviting prelude to summer. Unlike the cooler months preceding it, May showcases a delightful average temperature that encourages outdoor activities, while the occasional rainfall, though less frequent, refreshes the landscape. With humidity levels on the rise, the air feels lush, marking a significant contrast to the drier winter conditions. For those looking to experience the beauty of Xihu in May, it's a time of vibrant blossoms and lush greenery, underscored by the unique charm of spring. For further details on the local climate, visit Xihu Climate.