Last updated: August 21, 2025
Experience the vibrant May weather of Xihu, China, where the landscapes transition beautifully under the sun. With maximum temperatures soaring to 36°C (97°F) and an average of 19°C (67°F), the month brings a delightful warmth, perfect for outdoor adventures. However, be prepared for the occasional cool spell, as temperatures can dip to a minimum of 5°C (41°F). Rainfall adds a refreshing touch, with 63 mm (2.5 in) of precipitation spread over 7 days, contributing to the region's lush greenery. The air holds a humidity level of 74%, creating a rich, immersive atmosphere that enhances the charm of this scenic locale during late spring.
In Xihu, China, the month of May ushers in a delightful transition from the lingering chill of spring to the warmth of summer. With minimum temperatures rising to a comfortable 5°C (41°F) and an average of 19°C (67°F), the region begins to bloom under the sun. May's maximum temperatures soar to a striking 36°C (97°F), reflecting a notable upward trend from the cooler months of April and March. As the days lengthen and the landscape bursts with vibrant colors, locals and visitors alike revel in the pleasant warmth, marking May as a highlight of Xihu’s climate. This month sets the stage for an increasingly warm summer, showcasing nature's beauty in all its glory.
In May, Xihu, China experiences a notable shift in precipitation, with 63 mm (2.5 in) of rain falling over 7 days. This increase marks a significant jump from the preceding months, highlighting May as a pivotal month in the transition to the wetter half of the year. After the steady rise from 37 mm in April, the rainfall intensifies as summer approaches, almost doubling when compared to the earlier spring months. This escalation in precipitation sets the stage for June, which continues the trend, bringing even heavier rainfall. As a result, May acts as a bridge, welcoming the lush greenery of summer while signaling a gradual increase in rainy days, establishing Xihu as a region of dynamic seasonal changes.
In May, Xihu, China, experiences a humidity level of 74%, which reflects a slight decrease from the 78% recorded in April. This transitional month marks the beginning of summer, as humidity levels are poised to rise again in June and July when they peak at 84%. Throughout the year, Xihu's humidity trends show a clear pattern: after a steady increase from 52% in January to April, the levels then stabilize in May before climbing again during the height of summer. After September's decline to 65%, the humidity levels gently oscillate in the cooler months, hinting at the region's dynamic climate and the importance of these fluctuations on its vibrant environment.
As May arrives in Xihu, China, the sun's rays become increasingly intense, reaching a UV Index of 10, categorized as very high. This marks a notable increase from April's UV Index of 8, which emphasized the season's transition into the peak sun exposure period. With a burn time of just 15 minutes, residents and visitors should be mindful of the risks associated with prolonged exposure. The trend shows a clear rise in UV levels as the year progresses, peaking in July with an extreme index of 11. For those looking to enjoy the outdoors in May, precautions such as sunscreen and protective clothing are strongly advised. Stay informed about local conditions by checking the Xihu UV Index for the best take on sun safety throughout the month.
UV Risk Categories
In Xihu, China, May shines as a beacon of light, boasting an impressive 316 hours of sunshine — the highest of the year. This delightful month not only marks a continuation of increasing daylight, following the gradual ascent from January's 201 hours, but also sets the tone for the impending summer. April and March contribute to this upward trajectory with 284 and 281 hours respectively, creating an inviting atmosphere as spring unfolds. While June and July maintain close to May's brilliance with 307 and 312 hours, the sunny momentum subtly begins to wane as summer yields to autumn, with later months like September and October dropping to 279 and 250 hours. This trend highlights May as not just a month of warmth but as the pinnacle of sunlight, illuminating the vibrant landscapes of Xihu and inviting outdoor adventures under the cheerful sun.
As spring transitions into summer, Xihu, China experiences a noticeable fluctuation in sunny weather, especially in May, where the likelihood of clear skies stands at 45%. This marks a slight uptick from April's 38%, reflecting the gradual warming and brightening of the season. While January and December boast the highest chances of sunshine at 61% and 67% respectively, May serves as a pivotal month that bridges the gap between the sun-drenched winter and the more unpredictable summer months ahead. However, the overall trend in May still indicates a mixed bag of weather, maintaining a reminder of the whimsical nature of spring in Xihu.
In Xihu, China, the daylight duration experiences a noticeable transformation as the year unfolds. Beginning with a modest 10 hours in January and February, the days gradually lengthen, reaching 11 hours in March. The arrival of spring brings a significant increase, with April basking in 13 hours of sunlight. This upward trend peaks in May, where the days extend to a vibrant 14 hours, a tenure that continues through June and July, offering abundant opportunities for outdoor activities. As summer fades, August witnesses a slight decrease back to 13 hours, followed by a gentle decline through the autumn months, ultimately returning to 10 hours by November. This dynamic shift in daylight not only marks the change of seasons but also enriches the daily lives of Xihu’s residents, inviting them to embrace the sun uniquely throughout the year.
In May, Xihu experiences a gentle breeze with an average wind speed of 3.3 m/s (7 mph), marking a notable consistency from April. This mild airflow provides a refreshing relief as the temperatures begin to rise, making it an ideal time for outdoor activities. The wind speeds in May match the levels seen in February, indicating a delightful start to the summer season. Trends throughout the year show a fluctuation in wind patterns, with the highest speeds occurring in March and September, while the summer months tend to be calmer. Overall, May's breezy charm enhances the serene beauty of Xihu, inviting visitors to enjoy its picturesque landscapes.
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 showcase strikingly different weather patterns. In May, temperatures soar from a minimum of 5°C (41°F) to a maximum of 36°C (97°F), with an average of 19°C (67°F). The month experiences about 63 mm (2.5 in) of precipitation over 7 days, accompanied by a humidity level of 74%. In contrast, January presents a cold landscape, with temperatures ranging from a frigid -18°C (0°F) to a mild 12°C (54°F), averaging around 0°C (33°F). Precipitation is significantly lower at 18 mm (0.7 in) over just 3 days, and humidity levels are also reduced to 52%. For more details on the winter weather, check out Xihu weather in January.
May and February present stark contrasts in weather patterns. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 36°C (97°F), with an average of 19°C (67°F), creating a warm and inviting atmosphere. The month experiences approximately 63 mm (2.5 in) of precipitation over about 7 days, coupled with a relatively high humidity of 74%. In contrast, February is characterized by much colder temperatures, with a minimum of -12°C (11°F) and an average of just 2°C (37°F), reaching a maximum of 23°C (75°F). This month sees lower precipitation levels at 20 mm (0.8 in) over only 3 days, along with a humidity level of 60%. For further details, you can check the specific conditions for Xihu weather in February.
In comparing the weather in May and March, we can observe significant differences in temperature and precipitation patterns. May tends to be much warmer, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 36°C (97°F), while March experiences cooler temperatures, with a range from -5°C (23°F) to 27°C (81°F). Additionally, May has higher precipitation at 63 mm (2.5 in) over 7 days, compared to March's 31 mm (1.2 in) over just 4 days. Humidity levels in May are slightly higher at 74%, compared to 70% in March, indicating a more humid atmosphere as spring progresses. For more detailed information, check out Xihu weather in March.
In comparing the weather of April and May, we can see a distinct shift in temperature and precipitation patterns. April experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 13°C (56°F), while May sees warmer conditions, ranging from a minimum of 5°C (41°F) to an average of 19°C (67°F), and peaking at 36°C (97°F). Additionally, May has significantly higher precipitation levels, totaling 63 mm (2.5 in) compared to April's 37 mm (1.4 in), although both months record precipitation on 7 days. Humidity in May is slightly lower at 74%, compared to April's 78%, allowing for a more comfortable feel despite the warmer temperatures. For a closer look at the weather specifics, you can check Xihu weather in April.
May generally experiences milder temperatures compared to June, with minimums around 5°C (41°F) and an average of 19°C (67°F), while June sees a higher minimum of 13°C (56°F) and an average temperature of 23°C (74°F). Although the maximum temperature in May can reach up to 36°C (97°F), June's peak is slightly lower at 35°C (96°F). Precipitation levels also differ; May receives 63 mm (2.5 in) over seven rainy days, while June sees increased rainfall of 86 mm (3.4 in) over the same number of days, yet the humidity remains consistent at 74%. For more detailed weather information, you can check Xihu weather in June.
May generally offers a mild climate with temperatures ranging from a minimum of 5°C (41°F) to a maximum of 36°C (97°F), averaging around 19°C (67°F). The month experiences moderate precipitation, with about 63 mm (2.5 in) falling over approximately 7 days, accompanied by a humidity level of 74%. In contrast, July brings significantly warmer conditions, with temperatures ranging from a minimum of 18°C (64°F) to a maximum of 37°C (99°F) and an average of 26°C (79°F). However, it is a much wetter month, recording 264 mm (10.4 in) of precipitation over 14 days and a higher humidity of 84%. The stark differences in both temperature and precipitation make July feel quite different from May. For more detailed information, you can check Xihu weather in July.
May and August present contrasting weather patterns. In May, temperatures range from a cool minimum of 5°C (41°F) to a warm average of 19°C (67°F), topping out at a high of 36°C (97°F). The month sees around 63 mm (2.5 inches) of precipitation over approximately 7 days, with humidity levels at 74%. In comparison, August boasts significantly warmer temperatures, with a minimum of 16°C (62°F) and an average of 26°C (80°F), reaching a maximum of 35°C (96°F). However, it is also much wetter, with 183 mm (7.2 inches) of rainfall across 16 days and higher humidity at 81%. For a detailed look at August weather, you can visit Xihu weather in August.
When comparing the weather in May and September, significant differences in temperature and precipitation become evident. In May, temperatures can vary greatly, with a minimum of 5°C (41°F), an average of 19°C (67°F), and a maximum reaching up to 36°C (97°F). The month experiences an average of 63 mm (2.5 in) of precipitation over 7 days, alongside a higher humidity of 74%. In contrast, September brings milder temperatures, with a minimum of 12°C (55°F), an average of 22°C (72°F), and a maximum of 32°C (90°F). This month also sees slightly more precipitation at 82 mm (3.2 in) over 8 days, but with a lower humidity level of 65%. For more details on September weather, see Xihu weather in September.
May and October offer contrasting weather experiences. In May, temperatures range from a minimum of 5°C (41°F) to an average of 19°C (67°F), with maximums reaching up to 36°C (97°F). The month sees more precipitation, averaging 63 mm (2.5 in) over about 7 days, with humidity levels sitting at 74%. In contrast, October temperatures drop, with a minimum of 3°C (37°F), an average of 15°C (59°F), and a maximum of 29°C (85°F). This month has significantly less precipitation, totaling 26 mm (1.0 in) across just 4 days, and slightly lower humidity at 72%. For more details, visit Xihu weather in October.
May and November present distinctly different weather patterns. In May, temperatures range from a mild 5°C (41°F) at night to a warm 36°C (97°F) during the day, with an average of about 19°C (67°F). This month also experiences moderate humidity at 74% and a total precipitation of 63 mm (2.5 in) over approximately 7 days. In contrast, November sees much cooler temperatures, with a minimum of -4°C (26°F), an average of 9°C (49°F), and a maximum of 24°C (76°F). The humidity is slightly higher at 81%, but precipitation is much lower at just 24 mm (1.0 in) over only 3 days. For more detailed insights on November weather, you can check Xihu weather in November.
May and December present contrasting weather experiences. In May, temperatures range from a minimum of 5°C (41°F) to a scorching maximum of 36°C (97°F), with an average of 19°C (67°F). This month also sees a fair amount of rainfall, with a total of 63 mm (2.5 in) over about 7 days and humidity levels around 74%. In contrast, December brings significantly colder conditions, with temperatures dipping to a minimum of -13°C (9°F) and reaching a maximum of only 15°C (59°F), averaging just 2°C (36°F). Precipitation in December is much lighter, at 14 mm (0.6 in) over 2 days, and humidity is slightly lower at 71%. For more specifics on December weather, check out Xihu weather in December.
As May rolls in, Xihu experiences a noticeable transition in weather, with the warmth setting in and inviting outdoor activities. Compared to the cooler months, average temperatures rise significantly, offering a delightful blend of sunshine and mild breezes. While there may still be some rain, with about a week's worth of precipitation, the increase in humidity at 74% adds to the vibrant atmosphere of this blossoming season. Discover more about how May weather compares with other months by exploring Xihu Climate.