Last updated: August 21, 2025
May in Xi'an, China presents a vibrant yet humid climate characterized by an impressive average temperature of 20°C (69°F), peaking at a warm 33°C (92°F) and dipping to a cool 11°C (51°F). This month experiences substantial rainfall, with 241 mm (9.5 in) of precipitation over 17 days, making it one of the wettest times of the year. The high humidity levels of 86% contribute to a feeling of lushness in the landscape, offering a blend of warmth and moisture that enhances the region's natural beauty. Visitors and residents alike should be prepared for frequent showers amidst the season's warmth, ensuring that May in Xi'an is both a captivating and dynamic experience.
In May, Xi’an, China, experiences a delightful transition into warmer weather, with temperatures reflecting the heart of spring. The average temperature climbs to a comfortable 20°C (69°F), while daily highs can soar to 33°C (92°F), inviting residents and visitors alike to enjoy outdoor activities. At night, the temperature settles around a pleasant 11°C (51°F), offering a refreshing respite. This trend of rising temperatures is consistent from April's milder averages, setting the stage for the upcoming summer months. As the city blossoms, May becomes an ideal time to explore its rich history and vibrant culture amidst the warming climate.
In May, Xi'an experiences a significant uptick in precipitation, recording an impressive 241 mm (9.5 in) over 17 days. This marks a notable increase from the previous months, continuing the trend of increased rainfall as spring transitions into summer. The lush blooms and vibrant greenery are fueled by this steady downpour, making May one of the wettest months of the year in the region. Following May, the precipitation peaks in June and July, with totals of 255 mm (10.0 in) and 260 mm (10.2 in), highlighting a seasonal pattern where summer brings the highest rainfall. The consistent precipitation throughout these months underscores Xi'an's transformation into a vibrant landscape, making it a visually captivating time for residents and visitors alike.
As May arrives in Xi'an, China, the humidity remains consistently high at 86%, a level maintained since April. This pattern of elevated humidity marks a transition into the summer months, where June sees a slight increase to 87% and July peaks at 89%. The trend indicates a gradual rise in moisture levels as the year progresses, with winter months like January and February showcasing much lower humidity, hovering around 71% to 75%. This increase not only enhances the lush greenery of the region but also signals the onset of warmer weather, inviting both locals and travelers to embrace the vibrant atmosphere that May brings.
As the calendar turns to May in Xi'an, China, the UV Index remains notably high, hitting an intensity level of 11, classified as extreme. This level of UV radiation means that outdoor enthusiasts should exercise caution, as the potential for skin damage increases significantly with a burn time of just 10 minutes. Following the trend set in April, where the UV Index was also at 11, it becomes clear that late spring in Xi'an demands vigilant sun protection. With June on the horizon bringing even higher UV levels, now is the perfect time to ensure you're well-prepared to safeguard your skin from the sun's powerful rays. For more details on UV levels throughout the year, visit Xi'an UV Index.
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As spring gracefully transitions into summer, May shines brightly in Xi'an, China, boasting an impressive 258 hours of sunshine—the highest for the month. This delightful increase in sunlight follows a steady upward trend, beginning with 135 hours in January and culminating in the verdant months of March and April, where the city enjoys 184 and 203 hours respectively. The warmth of May sets the stage for a vibrant summer, with June and July further elevating the sunshine count, reaching peaks of 257 and 297 hours. This seasonal progression not only brightens the cityscape but also encourages outdoor activities and a flourishing natural environment, making Xi'an an inviting destination as the year unfolds.
As spring unfolds in Xi'an, China, the likelihood of sunny weather in May presents a modest 23% chance, marking a noticeable dip from the preceding months. This trend reflects a general decline in sunshine prevalence from the promising 46% in January to the more subdued 12% in April. Interestingly, while May shows some recovery compared to the darker months of March and April, it still falls behind the sunnier months that follow, particularly September with its robust 56% probability. Thus, while May may not boast the brightest weather, it lays the groundwork for the sunnier days to come.
In Xi'an, China, daylight duration reaches its peak in May, where the sun graces the city with 13 hours of light—a sign of the approaching summer and the awakening of nature. As winter fades, daylight gradually increases from 10 hours in January to 12 hours in April. Following May, the daylight remains consistent at 13 hours through the summer months of June, July, and August, allowing ample time for outdoor activities and cultural festivals. As autumn arrives, the days begin to shorten again, returning to 12 hours in September and tapering off to 10 hours by December, creating a rhythmic cycle that beautifully marks the changing seasons in this historic city.
In May, Xi'an experiences a subtle shift in wind speed, averaging 2.1 m/s (5 mph), which represents a slight drop from the preceding months. This decline is part of a gentle downward trend as spring transitions towards summer, where June marks the calmest month with 1.9 m/s (4 mph). Interestingly, May retains a breezy charm, as it hovers around a consistent wind speed seen during the preceding months of March and April. As the seasons progress, the winds tend to pick up again in the fall—particularly in October when speeds increase to 3.1 m/s (7 mph). Overall, May's winds in Xi'an offer a refreshing, yet mild backdrop, perfectly complementing the blooming scenery of late spring.
Weather in Xi'an varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Xi'an, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present a stark contrast in weather conditions. May experiences mild to warm temperatures, with averages around 20°C (69°F) and highs reaching up to 33°C (92°F), while January is much colder, with an average of only 4°C (39°F) and lows dipping as low as -7°C (19°F). Additionally, May is characterized by significantly higher precipitation, receiving 241 mm (9.5 in) over 17 days, compared to January's 64 mm (2.5 in) across just 9 days. Furthermore, humidity levels in May are quite high at 86%, compared to January's more moderate 71%. This makes May feel considerably warmer and more humid, while January offers a crisp and chilly atmosphere. For more detailed information about January weather patterns, you can visit Xi'an weather in January.
May and February present strikingly different weather conditions. In May, temperatures range from a minimum of 11°C (51°F) to a high of 33°C (92°F), with an average temperature of 20°C (69°F). This month experiences significant rainfall, totaling 241 mm (9.5 in) over 17 days, accompanied by high humidity levels of 86%. In contrast, February offers much cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 26°C (78°F), resulting in an average of only 6°C (43°F). Precipitation is lighter in February, at 91 mm (3.6 in) over 12 days, and the humidity stands at a lower 75%. For more details on February weather, you can check Xi'an weather in February.
In comparing the weather between March and May, it is evident that May is significantly warmer, with average temperatures reaching 20°C (69°F) compared to March's 12°C (53°F). While both months experience high humidity levels at 86%, May tends to have more extreme temperature fluctuations, peaking at a maximum of 33°C (92°F) versus March's 29°C (84°F). Additionally, May sees more precipitation, with 241 mm (9.5 in) over 17 days, compared to March's 194 mm (7.6 in) over 18 days. For a detailed look at Xi'an's weather in March, you can reference this link: Xi'an weather in March.
May weather in comparison to April shows a noticeable increase in temperature, with May averaging 20°C (69°F) compared to April's 16°C (61°F). The maximum temperature in May reaches up to 33°C (92°F), slightly higher than April's 31°C (88°F). However, May experiences a significant increase in precipitation, with 241 mm (9.5 in) over 17 days, surpassing April's 159 mm (6.3 in) for the same number of days, highlighting a wetter climate as spring progresses. Both months maintain a consistent humidity level of 86%, making the air feel similarly muggy. For more detailed insights into April's weather, you can refer to Xi'an weather in April.
May and June weather exhibit notable similarities and differences. In May, temperatures range from a minimum of 11°C (51°F) to a maximum of 33°C (92°F), with an average of 20°C (69°F). Precipitation is significant at 241 mm (9.5 in) over 17 days, and humidity is relatively high at 86%. Conversely, June sees a warm-up, with minimum temperatures rising to 15°C (60°F) and maximums reaching 34°C (93°F), averaging 24°C (75°F). Rainfall slightly increases to 255 mm (10.0 in) over 18 days, accompanied by a slight uptick in humidity at 87%. For a detailed overview, check out Xi'an weather in June.
In May, temperatures range from a mild 11°C (51°F) at night to a warm 33°C (92°F) during the day, with an average of 20°C (69°F). The month experiences significant precipitation, totaling 241 mm (9.5 in) over 17 rainy days, along with high humidity at 86%. In contrast, July sees higher temperatures, with nighttime lows of 18°C (65°F) and daytime highs reaching 37°C (99°F), averaging 27°C (81°F). Precipitation rises slightly to 260 mm (10.2 in) over 18 days, and humidity remains similar at 89%. You can find more detailed information about the weather in July here.
In May, the weather in Xi'an is characterized by a broader temperature range, with minimums dipping to 11°C (51°F) and maximums reaching up to 33°C (92°F). This month is quite wet, experiencing 241 mm (9.5 in) of precipitation over 17 days, contributing to a high humidity level of 86%. In contrast, August brings warmer temperatures, with a minimum of 18°C (65°F) and an average high of 36°C (98°F). While precipitation decreases slightly to 202 mm (8.0 in) over 18 days, the humidity remains unchanged at 86%, making August feel hot and sticky. For more detailed information, you can check Xi'an weather in August.
May and September showcase distinct weather patterns, reflecting the transition between spring and autumn. In May, temperatures range from a minimum of 11°C (51°F) to a maximum of 33°C (92°F), accompanied by significant humidity at 86% and substantial precipitation measuring 241 mm (9.5 in) over 17 days. In contrast, September experiences milder temperatures, with a minimum of 14°C (58°F) and a maximum of 35°C (95°F), yet it boasts lower humidity at 70% and decreased rainfall totaling 141 mm (5.6 in) over just 14 days. For a deeper insight into the September climate, you can check out Xi'an weather in September.
In May, temperatures are generally warmer, ranging from a minimum of 11°C (51°F) to a maximum of 33°C (92°F), with an average of 20°C (69°F). This month also experiences significant rainfall, totaling 241 mm (9.5 in) over 17 days, contributing to a high humidity level of 86%. In contrast, October brings cooler weather with temperatures ranging from a minimum of 7°C (46°F) to a maximum of 34°C (93°F) and an average of 16°C (62°F). Precipitation decreases significantly to 89 mm (3.5 in) over 11 days, leading to a more comfortable humidity level of 72%. For more information on October weather, visit Xi'an weather in October.
May and November exhibit stark contrasts in weather patterns. In May, temperatures can vary widely, ranging from a minimum of 11°C (51°F) to a sweltering maximum of 33°C (92°F), with an average temperature of 20°C (69°F). The month is characterized by high humidity at 86% and significant precipitation, amounting to 241 mm (9.5 in) over approximately 17 days.
In comparison, November presents a much cooler climate, with temperatures ranging from a low of 2°C (36°F) to a high of 28°C (83°F), and an average temperature of just 12°C (54°F). The precipitation is also much lower, totaling 64 mm (2.5 in) over 12 days, and the humidity is slightly decreased at 82%. For more detailed information, you can view Xi'an weather in November.
May and December exhibit stark contrasts in weather patterns. In May, temperatures range from a mild 11°C (51°F) at night to a sweltering 33°C (92°F) during the day, with an average of 20°C (69°F). This month also sees significant rainfall, with 241 mm (9.5 in) over 17 days, contributing to high humidity levels of 86%. In contrast, December experiences much cooler temperatures, with a minimum of -6°C (22°F) and a maximum of 19°C (66°F), averaging around 6°C (43°F). Rainfall is minimal at 47 mm (1.9 in), occurring over just 8 days, and humidity decreases to 76%. For further information, check out Xi'an weather in December.
May in Xi'an brings a vibrant transition into warmer weather, contrasting sharply with the earlier months of the year. With temperatures reaching up to 33°C (92°F) and an average of 20°C (69°F), the days are sunnier and more inviting. However, this spring month also sees frequent rainfall, with 17 days experiencing precipitation, contributing to a high humidity of 86%. This combination of warmth and moisture sets the stage for lush greenery and blooming flowers, making it a beautiful time to explore the city's rich history. For more detailed insights on what to expect during this season, check out Xi'an Climate.