Last updated: August 21, 2025
In May, Xi'an experiences a dynamic climate, marked by a maximum temperature soaring to 34°C (93°F), an average of 19°C (66°F), and a refreshing minimum of 4°C (39°F). This month witnesses an average precipitation of 60 mm (2.4 in), occurring over seven days, contributing to a moderately humid environment with humidity levels at 65%. As spring transitions to summer, visitors can enjoy warm days interspersed with the occasional rain, ideal for exploring the historical treasures of this ancient city.
In May, the temperatures in Xi'an, China reflect a noteworthy transition into warmer weather, with minimums rising to a comfortable 4°C (39°F) and reaching an average of 19°C (66°F). The city experiences its peak warmth of the month, soaring to a maximum of 34°C (93°F), which is a stark contrast to the frigid conditions of earlier months. As spring fully takes hold, the climate becomes more inviting, enabling residents and tourists alike to explore the rich cultural heritage and breathtaking landscapes that Xi'an has to offer. This surge in warmth not only marks a significant change from the still-cold early months but also sets the stage for the sweltering summer that follows.
May marks a significant transition in Xi'an's precipitation patterns, as the city experiences a noticeable increase in rainfall with 60 mm (2.4 in) recorded over 7 days. This surge is more than double the amount seen in April and sets the stage for the region's summer months, where rainfall continues to rise sharply. The steady climb from just 4 mm in January to 26 mm in April underscores the gradual shift toward the more humid conditions characteristic of late spring. As May unfolds, residents can expect intensified precipitation, which not only nourishes the landscape but also hints at the increasingly wet months ahead, leading into the peak of the monsoon season in August.
As the transition from spring to summer unfolds in Xi'an, China, May brings a noticeable increase in humidity, soaring to 65%. This uptick signifies the onset of a more humid period, following the relatively moderate levels of earlier months—54% in January, 44% in February, and 48% in March. April's humidity shows a slight rise to 55%, but it is in May that residents truly begin to feel the shift. June and July see a steep jump to 71% and 82%, respectively, indicating that the peak summer months will be characterized by higher humidity levels. Thus, May serves as a pivotal month, marking the transition into the sultry days ahead, a pattern that underscores the region's seasonal climate dynamics.
In May, Xi'an's UV Index remains at a high level of 8, which classifies as very high exposure. Visitors and residents should be particularly cautious, as the burn time is reduced to just 15 minutes under direct sunlight. This trend of increasing UV intensity is notable, as the UV Index has steadily risen since January, climbing from a moderate 3 in February to the significantly elevated levels in the spring months. As the summer approaches, one can expect further increases, making it essential to take protective measures when enjoying outdoor activities. For more detailed information, visit Xi'an UV Index.
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In the heart of Xi'an, China, May shines brightly with an impressive 325 hours of sunlight, marking it as one of the sunniest months of the year. This delightful increase in sunshine hours reflects a steady upward trend from the earlier months, particularly from a modest 202 hours in January to a flourishing 295 hours in April. Following May, the warmth continues, with June and July also basking in over 320 hours of sunshine. This gradual ascent culminates in the summer months, showcasing Xi'an's enchanting transition to vibrant outdoor activities, before the sunshine begins to taper in August and beyond. Such patterns not only enhance the beauty of Xi'an's landscapes but also invite residents and travelers alike to soak up the joys of spring and summer under its golden rays.
As spring transitions into summer, the likelihood of sunny weather in Xi'an, China begins to shift. In May, the chance of sun drops to 50%, reflecting a downward trend from the earlier months, where January and February boast impressive probabilities of 68% and 72% respectively. This decrease aligns with April's cloudier forecast of 54%, marking a notable dip in sunshine availability as the region braces for the hotter months ahead. By June, the situation becomes even less favorable, with sunny days expected just 40% of the time. Thus, while May offers a balanced mix of sun and shade, residents and travelers alike should prepare for the increasing potential of overcast skies as summer approaches.
In Xi'an, China, daylight duration begins its gradual ascent in January with a modest 9 hours, heralding the arrival of the new year. As the seasons transition, February and March see this duration increase steadily to 10 and then 11 hours, paving the way for longer days. By April, the sun begins to shine brighter and longer, extending daylight to 13 hours. This upward trend peaks in May, with an impressive 14 hours of daylight, offering the perfect backdrop for outdoor activities and exploration. Following this climax, daylight hours slightly recede in the summer months of June and July, before tapering off again in the fall. By the time winter arrives, daylight dwindles back to 9 hours by November, creating a rhythmic cycle of light that beautifully captures the essence of Xi'an's changing seasons.
In May, Xi'an experiences a notable uptick in wind activity, with average wind speeds reaching 4.8 m/s (11 mph). This gentle breeze contrasts with the calmer summer months that follow, particularly in July and August, where speeds drop to 3.1 m/s and 2.8 m/s (7 mph and 6 mph, respectively). The increase in wind speed during May hints at a transition from the spring's mild temperatures to the warmer conditions of summer. Interestingly, April also sees a higher average wind speed at 4.6 m/s (10 mph), indicating that springtime in Xi'an is characterized by refreshing breezes, which gradually ease as the city embraces the heat of summer.
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 stark contrasts in weather conditions. In May, temperatures range from a cool 4°C (39°F) to a warm 34°C (93°F), with an average of 19°C (66°F). The month experiences about 60 mm (2.4 in) of precipitation over 7 days and has a humidity level of 65%. In contrast, January is marked by much colder temperatures, with a minimum of -23°C (-9°F) and a maximum of only 7°C (45°F), averaging -7°C (19°F). Precipitation during this month is minimal, totaling just 4 mm (0.1 in) over 1 day, and humidity is relatively lower at 54%. For more detailed insights on January weather, you can check Xi'an weather in January.
May and February present contrasting weather patterns, showcasing the shift from winter to spring. In May, temperatures range from a chilly 4°C (39°F) at night to a warm average of 19°C (66°F), peaking at a sweltering 34°C (93°F) during the day, accompanied by moderate humidity at 65%. In contrast, February is much colder, featuring a minimum temperature of -19°C (-2°F) and an average of -4°C (25°F), with a maximum of only 13°C (55°F). February also sees significantly less precipitation, with only 7 mm (0.3 in) over 2 days, compared to May's 60 mm (2.4 in) spread across 7 days. For more detailed information on February weather in Xi'an, check out Xi'an weather in February.
In comparing the weather between March and May, it's clear that May brings significantly warmer temperatures, with an average of 19°C (66°F) compared to March's average of just 4°C (40°F). While March experiences chilly minimum temperatures plummeting to -12°C (11°F), May offers a minimum of 4°C (39°F) and can reach highs of up to 34°C (93°F). Precipitation is also notably higher in May, with 60 mm (2.4 in) expected over approximately 7 days, compared to only 12 mm (0.5 in) over 3 days in March. Moreover, the humidity increases in May to 65% from March's 48%, contributing to a more tropical feel as spring progresses. For more details on March weather, you can check Xi'an weather in March.
May and April exhibit notable differences in weather patterns. In April, temperatures range from a minimum of -2°C (28°F) to a maximum of 29°C (85°F), with an average temperature of 13°C (55°F). The month experiences relatively low precipitation of 26 mm (1.0 in) over 5 days, with humidity at 55%. In contrast, May sees a much warmer average temperature of 19°C (66°F), with minimum temperatures rising to 4°C (39°F) and maximums reaching 34°C (93°F). Additionally, it has higher precipitation of 60 mm (2.4 in) across 7 days and increased humidity at 65%. This transition highlights the shift from the cool, crisp days of April to the warmer, more humid conditions of May. For more detailed weather information, you can check Xi'an weather in April.
May and June present distinct shifts in weather patterns. In May, temperatures range from a cool 4°C (39°F) to a warm 34°C (93°F), with an average of 19°C (66°F). This month sees about 60 mm (2.4 in) of precipitation over roughly 7 days and experiences a humidity level of 65%.
Conversely, June warms significantly, with minimum temperatures rising to 12°C (54°F) and maximums reaching up to 38°C (100°F), averaging around 23°C (74°F). This month also brings increased rainfall, totaling 78 mm (3.1 in) across 8 days, accompanied by a higher humidity level of 71%. For more detailed information, you can refer to Xi'an weather in June.
In May, temperatures in the region typically range from a minimum of 4°C (39°F) to a comfortable average of 19°C (66°F), peaking at a maximum of 34°C (93°F). The month experiences moderate precipitation with around 60 mm (2.4 in) spread over seven days and a humidity level of 65%. In contrast, July brings significantly warmer conditions, with temperatures ranging from a minimum of 16°C (61°F) to an average of 27°C (80°F), reaching highs of 36°C (97°F). Additionally, July is wetter, recording approximately 104 mm (4.1 in) of rainfall over ten days and higher humidity at 82%. For a closer look at what to expect during this summer month, visit Xi'an weather in July.
The weather in May features a more moderate temperature range, with minimums around 4°C (39°F) and maximums peaking at 34°C (93°F), and an average of 19°C (66°F). In contrast, August brings significantly higher temperatures, with minimums of 10°C (51°F) and maximums soaring to 38°C (100°F), leading to an average temperature of 25°C (78°F). Additionally, May experiences around 60 mm (2.4 in) of precipitation over 7 days, while August sees a much wetter climate, with 232 mm (9.1 in) over 14 days. This rise in precipitation is also accompanied by increased humidity, which rises from 65% in May to 83% in August. For more details on August weather, visit Xi'an weather in August.
May and September in Xi'an present notable differences in weather patterns. May typically features warmer temperatures with a minimum of 4°C (39°F) and an average high of 34°C (93°F), while September has slightly cooler conditions, with a minimum of 6°C (44°F) and a maximum of 30°C (87°F). Precipitation levels are higher in September, averaging 95 mm (3.7 in) over 8 days compared to May's 60 mm (2.4 in) over 7 days. Additionally, September exhibits a higher humidity level at 72%, surpassing May's 65%. For more insights, you can explore Xi'an weather in September.
May and October present quite different weather patterns. In May, temperatures typically range from a minimum of 4°C (39°F) to a maximum of 34°C (93°F), with an average of 19°C (66°F). It is a relatively humid month with an average humidity of 65% and around 60 mm (2.4 in) of precipitation over about 7 days. In contrast, October experiences cooler temperatures, with a minimum of -2°C (28°F) and an average of 12°C (54°F), peaking at 29°C (84°F). The month sees lower precipitation at 50 mm (2.0 in) over just 4 days, but it has a higher humidity level of 76%. For more details on October weather, you can visit Xi'an weather in October.
May and November present contrasting weather patterns. In May, temperatures range from a mild 4°C (39°F) at night to a warm 34°C (93°F) during the day, with an average temperature of 19°C (66°F). This month also sees about 60 mm (2.4 in) of precipitation over approximately 7 days, accompanied by a humidity level of 65%. In contrast, November experiences much cooler temperatures, with a minimum of -11°C (12°F) and a maximum of 21°C (70°F), averaging just 3°C (38°F). Precipitation is relatively lower in November, totaling about 30 mm (1.2 in) over 3 days, while humidity remains similar at 66%. For a more detailed look at November's weather, you can check out Xi'an weather in November.
May and December present stark contrasts in weather conditions. In May, temperatures can vary from a cool 4°C (39°F) at night to a warm 34°C (93°F) during the day, with an average of 19°C (66°F). The month experiences around 60 mm (2.4 in) of precipitation over about 7 days, accompanied by a humidity level of 65%. In contrast, December is characterized by frigid temperatures that can drop as low as -18°C (-1°F), with an average of -5°C (24°F) and a maximum of 10°C (51°F). Precipitation decreases significantly to just 6 mm (0.2 in) over 1 day, coupled with lower humidity at 52%. For more details on December weather, see Xi'an weather in December.
As May unfolds in Xi'an, the weather transforms into a delightful blend of warmth and moisture, marking a distinct shift from the cooler spring months. With maximum temperatures soaring to 34°C (93°F), the days are pleasantly warm, while the average temperature settles around a comfortable 19°C (66°F). Unlike the earlier months, May experiences increased rainfall with about 60 mm of precipitation spread across roughly seven days, contributing to a humidity level of 65% that adds a refreshing touch to the air. This combination of warmth and occasional rain creates an inviting atmosphere, perfect for outdoor exploration. To learn more about how May fits into the overall climate profile, visit Xi'an Climate.