May Weather in Xihu, China

Last updated: August 21, 2025

May in Xihu, China, is characterized by warm temperatures and a high humidity level, with maximums reaching up to 34°C (94°F) and an average of 22°C (72°F). Nights can be much cooler, dropping to a minimum of 12°C (54°F). This month sees significant precipitation, averaging 238 mm (9.4 in) over roughly 15 days of rain, contributing to a lush, vibrant landscape. The overall humidity, hovering around 86%, adds to the tropical feel, making May a dynamic period in Xihu's meteorological calendar.

May Temperature in Xihu

In May, Xihu, China, experiences a delightful transition into warmer weather, characterized by minimum temperatures of 12°C (54°F) and average highs reaching a pleasant 34°C (94°F). The month marks a significant shift from the cool spring months of April, where temperatures hover around 17°C (64°F), allowing residents and visitors to bask in the increasing warmth and abundant sunshine. This rise in temperature not only heralds the onset of summer but also encourages outdoor activities and showcases the region's stunning natural beauty. As the month progresses, Xihu emerges as a vibrant destination, blending comfortable warmth with a rich cultural tapestry, making it an ideal time to explore its picturesque landscapes and scenic lakes.

May Weather in Xihu: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Xihu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Xihu, May 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).
JanFebMarAprMayJunJulAugSepOctNovDec424655637277838477665645
Data source: Temperature data for Xihu generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Xihu

In May, Xihu, China experiences a notable peak in precipitation, with a significant 238 mm (9.4 in) falling over the month, marking a striking contrast to the previous months. This surge is accompanied by 15 rainy days, illustrating a shift toward the summer monsoon climate. Compared to April's 172 mm (6.8 in), May not only ramps up the rainfall but also contributes to the burgeoning vegetation in the region. As the temperatures rise and rain becomes more frequent, this trend suggests an impending transition into the wetter season, which peaks in June with an average of 403 mm (15.9 in). The consistent increase in both precipitation amounts and rainy days highlights Xihu's shift into a dynamic and life-sustaining rainy season.

May Precipitation Trends in Xihu

The chart displays monthly precipitation patterns in Xihu, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Xihu, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec7390185172238403349171111304953
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Xihu

In Xihu, China, May marks a peak in humidity, maintaining a high level of 86%, consistent with the trend established in April and leading into the warmer summer months. This consistent humidity suggests that as spring transitions into summer, the air remains heavily saturated. Interestingly, the humidity levels in May mirror those of June, indicating a persistent tropical influence, particularly as the region braces for the hot and sticky months ahead. After May, humidity continues to rise, reaching its annual zenith in July at 90%, before gradually easing off in September. Overall, the rising humidity from earlier months underscores the region's shift towards a humid subtropical climate.

May Average Humidity in Xihu

This chart illustrates the average monthly humidity levels in Xihu, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Xihu is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec69%73%82%86%86%86%90%86%73%73%80%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Xihu

As May arrives in Xihu, China, the UV Index peaks at an extreme level of 11, marking the start of the sun's most intense phase. This month, residents and visitors alike should be mindful of their exposure, as the burn time shrinks to just 10 minutes—a stark reminder of the potent rays that dominate the sky. Following the trends of the preceding months, the UV Index escalates from a high of 6 in January to a concerning 11 by May, emphasizing the increasing solar intensity as summer approaches. It's crucial to take precautions during this time, such as wearing protective clothing and applying sunscreen diligently. For more information on managing UV exposure, visit Xihu UV Index.

Maximum UV Index Levels in Xihu for May

The chart shows the monthly maximum UV Index (UVI) for Xihu in May, 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 May, the maximum UV index in Xihu typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec679101112121210975
Data source: Xihu May 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.

May Sunshine in Xihu

May is a delightful turning point in Xihu, China, where the warmth of spring begins to fully blossom. With 280 hours of sunshine, it stands out as a month where vibrant days outshine the earlier months, making a steep leap from 243 hours in April. This upward trend not only highlights the increasing daylight but also signals the anticipation of summer's arrival. As May unfolds, the days grow longer, further foreshadowing the sun-drenched months ahead, culminating in the peak sunshine of 312 hours in August. This pattern reflects a beautiful transition, inviting residents and visitors alike to revel in the radiant charm of Xihu's early summer.

Monthly Sunshine Duration in Xihu: May Highlighted

The May sunshine duration represents the total number of hours Xihu experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec160h202h218h243h280h248h293h312h265h240h218h218h
Data source: Xihu May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Xihu During May

In Xihu, China, the likelihood of sunny weather in May stands at a modest 20%, continuing a trend of diminishing sunshine as spring unfolds. As the year progresses from the cheery 54% in January, the chances steadily decline, hitting a low in April. While May does bring a slight uptick compared to the preceding months, it still lags behind the more favorable months of September and October, which boast 62% and 41% chances, respectively. This pattern suggests that while May may not be the sunniest time of year, the retreating gloom of spring offers a flicker of hope for brighter days ahead.

Percentage of Sunny Days in May in Xihu

The chart illustrates the percentage of sunny days in Xihu throughout the year, with May 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 Xihu experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec54%37%21%19%20%19%21%36%62%41%55%62%
Data source: Xihu May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Xihu in May

In Xihu, China, the daylight duration experiences a gradual ascent as the year unfolds. January begins with a modest 10 hours, but by May, the days stretch to a welcoming 13 hours, marking the peak of spring's embrace. As summer takes hold in June with 14 hours of daylight, the sun generously bathes the region in light. However, this radiant phase gently recedes, as daylight tapers off to 13 hours in July and August, before easing down to 12 hours in September. The cycle continues, bringing shorter days as autumn arrives, ultimately returning to 10 hours by November and December. This rhythmic dance between light and dark not only shapes the seasons but also the vibrant life that thrives in Xihu.

Average Daylight Hours in Xihu for May

The chart illustrates the variation in daylight duration in Xihu throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 27m11h 7m11h 59m12h 53m13h 38m14h13h 49m13h 10m12h 18m11h 25m10h 38m10h 15m
Data source: Xihu daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Xihu

In May, Xihu experiences a gentle breeze with an average wind speed of 2.0 m/s (4 mph), marking a slight decrease from the consistent 2.1 m/s (5 mph) seen in the preceding months. This trend of calm winds continues into June, where speeds drop further to 1.7 m/s (4 mph), creating a tranquil atmosphere ideal for leisurely strolls around the scenic lake. As summer approaches, the wind picks up again, peaking in July at 2.4 m/s (5 mph), before tapering off in August. Overall, the month of May stands out as a transitional phase, bridging the gentle spring breezes with the more dynamic winds of summer.

Average May Wind Speed in Xihu

The chart displays monthly wind speed patterns in Xihu, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec2.12.02.12.12.0 m/s1.72.41.72.02.72.02.1
Data source: Xihu May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Xihu Compares to Other Months

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 offer dramatically different weather experiences. In May, temperatures range from a mild 12°C (54°F) at night to a warm 34°C (94°F) during the day, with an average of 22°C (72°F). This month is also characterized by high humidity at 86% and substantial rainfall, totaling 238 mm (9.4 in) over about 15 days. In contrast, January presents a much colder climate, with temperatures dropping to a low of -6°C (21°F) and peaking at a comfortable 21°C (71°F), while averaging just 6°C (43°F). January also sees far less precipitation, at 73 mm (2.9 in) across about 8 days, and lower humidity levels at 69%. For more specifics about the weather in January, you can check this link: Xihu weather in January.

May presents a significantly warmer climate compared to February, with average temperatures soaring to 22°C (72°F) and maximums reaching up to 34°C (94°F). In contrast, February experiences much cooler temperatures, averaging only 8°C (46°F) with a maximum of 25°C (77°F) and a minimum that can dip to -3°C (27°F). Additionally, May sees a higher level of precipitation, measuring 238 mm (9.4 in) across about 15 days, while February has much lighter rainfall of 90 mm (3.5 in) over 11 days. Despite the warmth of May, the humidity is also significantly higher at 86%, compared to February's lower humidity level of 73%. For more insights, you can check Xihu weather in February.

In March, the weather is generally cooler with minimum temperatures around 1°C (34°F) and average highs reaching 28°C (83°F). The month experiences around 184 mm (7.3 in) of precipitation over 16 days, and humidity levels average at 82%. In contrast, May sees significantly warmer conditions, with minimum temperatures of 12°C (54°F) and average highs hitting 34°C (94°F). While it is warmer, May also brings more rainfall, totaling 238 mm (9.4 in) over 15 days, along with a slightly higher humidity of 86%. For a deeper look into the weather specifics during March, visit Xihu weather in March.

In comparing the weather conditions of April and May, we see a significant increase in temperatures during May, where the minimum temperature rises to 12°C (54°F) and the average climbs to 22°C (72°F), compared to April's minimum of 5°C (41°F) and average of 17°C (64°F). May also experiences higher maximum temperatures, reaching up to 34°C (94°F), while April peaks at 31°C (89°F). In terms of precipitation, May records 238 mm (9.4 in) over 15 days, surpassing April's 172 mm (6.8 in) across 13 days, showcasing a wetter pattern in May despite both months sharing the same humidity level of 86%. For more detailed insights, you can visit Xihu weather in April.

In comparing the weather between May and June, June tends to be slightly warmer, with a minimum temperature of 16°C (61°F) and an average of 25°C (77°F), compared to May's minimum of 12°C (54°F) and average of 22°C (72°F). Both months experience high humidity levels of 86%, but June generally receives more rainfall, with a total precipitation of 403 mm (15.9 in) over 19 days, compared to May's 238 mm (9.4 in) over 15 days. This increase in precipitation signifies a shift towards a wetter climate as summer approaches. For more details, you can check the Xihu weather in June.

May and July present distinctly different weather patterns. In May, temperatures range from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), with an average temperature of 22°C (72°F). The month experiences significant rainfall, totaling 238 mm (9.4 in) over 15 days, alongside relatively high humidity at 86%. In contrast, July sees warmer conditions, with temperatures ranging from a minimum of 20°C (68°F) to a steamy maximum of 39°C (103°F) and an average of 28°C (83°F). The precipitation increases as well, reaching 349 mm (13.7 in) over 16 days, and humidity is slightly higher at 90%. For more specifics on the weather in July, you can check Xihu weather in July.

In May, the weather is characterized by a mild temperature range, with minimums around 12°C (54°F) and an average of 22°C (72°F), leading to warm days that can peak at 34°C (94°F). However, this month also experiences considerable rainfall, totaling 238 mm (9.4 in) spread over 15 days, contributing to high humidity levels of 86%. In contrast, August sees warmer temperatures overall, with minimums of 18°C (65°F) and an average of 29°C (84°F), reaching highs of 39°C (102°F). Rainfall decreases to 171 mm (6.7 in) over just 13 days, while humidity remains consistent at 86%. For more detailed insights into weather patterns in August, refer to Xihu weather in August.

May and September showcase distinct weather patterns, reflecting the transition between spring and fall. In May, temperatures range from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), with an average of 22°C (72°F). This month also experiences significant precipitation, totaling 238 mm (9.4 in) over about 15 days, resulting in high humidity levels of 86%. In contrast, September brings warmer temperatures, with a minimum of 15°C (58°F), an average of 25°C (77°F), and a maximum of 36°C (97°F). The month is characterized by much less rainfall, receiving only 111 mm (4.4 in) over 10 days, and lower humidity at 73%. For more detailed information, you can check out Xihu weather in September.

May and October present distinct weather patterns, reflecting their transitional roles in the season. In May, temperatures range from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), with an average of 22°C (72°F). This month is marked by high humidity at 86% and significant rainfall, totaling 238 mm (9.4 in) over approximately 15 days. In contrast, October experiences cooler temperatures, with lows of 7°C (46°F) and highs reaching up to 35°C (95°F), averaging around 19°C (66°F). Rainfall is minimal, only about 30 mm (1.2 in) over 6 days, accompanied by lower humidity at 73%. For a closer look at October weather specifics, check out Xihu weather in October.

In comparing the weather between May and November, we see notable differences in temperature and precipitation patterns. May experiences warmer temperatures, with a minimum of 12°C (54°F) and an average of 22°C (72°F), reaching a maximum of 34°C (94°F). In contrast, November is much cooler, with temperatures ranging from a low of 2°C (35°F) to an average of 14°C (57°F), and a maximum of 28°C (82°F).

In terms of precipitation, May is significantly wetter, receiving 238 mm (9.4 in) over 15 days, while November sees only 48 mm (1.9 in) over 9 days. Humidity levels are slightly higher in May at 86%, compared to November's 80%. For more details on November weather, check Xihu weather in November.

May and December present contrasting weather conditions. In May, temperatures range from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), with an average of 22°C (72°F), accompanied by high humidity levels at 86%. This month also sees significant rainfall, with a total precipitation of 238 mm (9.4 in) over about 15 days, making it one of the wetter months. In stark contrast, December features much cooler temperatures, with a minimum of -3°C (27°F) and an average of 7°C (46°F), climbing to a maximum of 21°C (70°F). Precipitation drops dramatically to 53 mm (2.1 in) over just 7 days, and humidity is relatively lower at 79%. For more specifics about the December weather, you can refer to Xihu weather in December.

Compare Xihu's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Xihu

As May unfolds in Xihu, the weather begins to warm significantly, presenting a lively contrast to the cooler months that precede it. With temperatures climbing to a maximum of 34°C (94°F), the average temperature nudges up, offering a pleasant 22°C (72°F) to enjoy outdoor activities. However, humidity lingers at a high 86%, coupled with a notable 238 mm (9.4 in) of rain over approximately 15 days, making it one of the wetter months. This combination of warmth and moisture not only enhances the lush beauty of the landscape but also prepares residents and visitors alike for the vibrant summer ahead. For a detailed overview of what to expect throughout the year, visit Xihu Climate.