Last updated: August 21, 2025
August in Xi'an, China is characterized by a warm and humid climate, with maximum temperatures soaring up to 36°C (98°F) and an average of 27°C (81°F), while nights remain mild at a minimum of 18°C (65°F). The month welcomes substantial rainfall, accumulating 202 mm (8.0 in) over approximately 18 days, contributing to a significant humidity level of 86%. This blend of warmth and moisture creates a lush environment, perfect for exploring the city's rich history and cultural heritage, albeit necessitating preparations for the occasional downpour.
In Xi'an, China, August brings warm temperatures that embody the peak of summer, with minimums hovering around 18°C (65°F) and averages reaching 27°C (81°F). This month enjoys maximum temperatures that can soar up to 36°C (98°F), making it one of the hottest times of the year. Following the increasing warmth trend from the earlier summer months, August continues the ascent from July's already high averages, showcasing a steady rise from the cooler days of spring. As September approaches, a slight dip in temperatures begins, but for now, visitors can expect sun-soaked days perfect for exploring the rich history and vibrant culture of this ancient city.
In August, Xi'an experiences a noteworthy precipitation level of 202 mm (8.0 in), making it one of the wetter months of the year, though it trails behind July's peak of 260 mm (10.2 in). The pattern of rainfall remains consistent, with 18 days of precipitation, mirroring the previous month. This steady downpour contributes to the region's lush landscapes and humid atmosphere as summer winds down. As the monsoon season transitions, August serves as a pivotal point where the heavy rains of late summer begin to taper off, setting the stage for drier months ahead. Overall, the data suggests a trend of increasing rainfall during the summer, peaking in July, and slowly diminishing as autumn approaches.
August in Xi'an, China, maintains a consistent high humidity level of 86%, reflective of the summer season. This month stands out as a part of a trend characterized by elevated humidity that begins in March, when the figures climb to a notable 86%, and doesn't dip below the mid-80s until September. The peak arrives in July with 89%, just before August's slight decrease, suggesting a lingering summer warmth. As autumn approaches in September, humidity significantly drops to 70%, marking a pronounced transition from the summer's moisture-laden air. Overall, August continues the trend of high humidity that encapsulates Xi'an's summer, harmonizing beautifully with the region's rich cultural atmosphere.
In August, Xi'an, China, experiences a notably high UV Index of 12, categorizing it as extreme and indicating a burn time of just 10 minutes. This peak in UV levels continues the trend set in the preceding months of June and July, both reflecting similar extreme conditions. Following a gradual climb from January's moderate UV levels, where only 25 minutes of exposure is safe, the summer months emphasize the importance of sun protection. As September approaches, the UV Index is expected to drop to 10, indicating a return to very high levels. For those planning outdoor activities, it’s crucial to stay informed about the UV landscape throughout the year, which you can explore further at Xi'an UV Index.
UV Risk Categories
August in Xi'an, China, shines brightly with a remarkable 309 hours of sunshine, making it the sunniest month of the year. This peak follows a steady ascent throughout the summer, where sunshine hours increase from 258 in May to an impressive 297 in July. The trend reflects a vibrant and warm summer, inviting both locals and tourists to bask in the sun. As autumn approaches, September sees a decline to 232 hours, yet the warm glow of summer lingers in the air, showcasing Xi'an's enchanting climate. This seasonal rhythm underscores the city's charm, where sun-filled days pave the way for a beautiful transition into fall.
In August, Xi'an, China experiences a moderate likelihood of sunny weather, with a 29% chance of sunshine. This marks a slight increase compared to the peak rainy months of June and July, which exhibit lower probabilities of sun at 18% and 27% respectively. Interestingly, as summer transitions to autumn, sunlit days begin to emerge more frequently, with September boasting a substantial 56% chance of clear skies. Overall, while August may not be the sunniest month in Xi'an, it still presents an opportunity for warmth and light amidst the lingering summer heat.
In Xi'an, China, the month of August marks a peak in summer's embrace, with 13 hours of daylight that allow residents and visitors to bask in the warm sun. Following a gradual increase from 10 hours in January to a delightful 13 hours in May through August, the daylight duration reflects the delightful transition of the seasons. As we move from the long days of summer into the shorter autumn months, September sees a decline back to 12 hours. This vibrant pattern not only highlights the rich tapestry of daylight throughout the year but also underscores the joyful opportunities for outdoor activities and exploration that August offers in this historic city.
In August, the winds in Xi'an take on a gentle character, with an average speed of 2.1 m/s (5 mph), echoing the calm of summer's end. This marks a noticeable shift from the peak summer breezes of July, which registers slightly higher at 2.2 m/s. Interestingly, the trend leading to August reveals a subtle drop in wind speed from the more robust gusts of spring, where March reaches 2.6 m/s. As the year progresses towards the cooler months, September's winds return to 2.2 m/s, hinting at a gradual increase in activity as autumn approaches. This seasonal fluctuation not only adds a lyrical quality to the region's climate but also subtly invites the anticipation of changing seasons.
Weather in Xi'an varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Xi'an, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January showcase stark contrasts in weather. August temperatures soar, with averages around 27°C (81°F) and highs reaching up to 36°C (98°F), while the month is characterized by significant humidity at 86% and considerable rainfall of 202 mm (8.0 in) over 18 days. In contrast, January brings a chill, with average temperatures dropping to 4°C (39°F) and maximums peaking at 18°C (65°F). Precipitation is much lower in January, totaling 64 mm (2.5 in) across just 9 days, and humidity levels are also reduced to 71%. For more details on January weather, visit Xi'an weather in January.
August and February present stark contrasts in weather. August boasts warm temperatures, with a minimum of 18°C (65°F), averaging 27°C (81°F), and peaking at 36°C (98°F), all while experiencing high humidity of 86%. This month also sees significant rainfall, with 202 mm (8.0 in) spread over 18 days. In contrast, February exhibits much cooler conditions, with temperatures ranging from a low of -3°C (26°F) to a maximum of 26°C (78°F), and an average of 6°C (43°F). Similarly, precipitation is lower in February at 91 mm (3.6 in) over 12 days, along with a relatively lower humidity level of 75%. For more detailed information on February weather, check Xi'an weather in February.
August and March present contrasting weather patterns. In August, temperatures soar with minimums around 18°C (65°F) and high averages of 27°C (81°F), peaking at a scorching 36°C (98°F). The month experiences significant rainfall, accumulating 202 mm (8.0 in) over 18 days, accompanied by high humidity at 86%. In contrast, March features much cooler weather with a minimum temperature of 3°C (37°F) and an average of only 12°C (53°F), reaching a maximum of 29°C (84°F). While March also sees 194 mm (7.6 in) of precipitation over the same 18 days, the overall atmosphere feels much fresher despite the comparable humidity levels. For more detailed information, check out Xi'an weather in March.
August and April present striking differences in weather patterns. In August, temperatures soar from a minimum of 18°C (65°F) to a maximum of 36°C (98°F), with an average of 27°C (81°F). The month is characterized by high humidity, retained at 86%, and significant precipitation totaling 202 mm (8.0 in) over 18 days. In contrast, April offers a milder experience with temperatures ranging from a minimum of 5°C (40°F) to a maximum of 31°C (88°F), averaging 16°C (61°F). While it also has high humidity at 86%, the total precipitation is lower at 159 mm (6.3 in) spread over 17 days. For more detailed information, you can check Xi'an weather in April.
August and May present distinct weather characteristics, reflecting the transition between seasons. In August, temperatures are generally warmer, with daily averages around 27°C (81°F) and soaring highs reaching 36°C (98°F), while nights remain relatively mild at 18°C (65°F). Conversely, May offers cooler temperatures, with an average of 20°C (69°F) and maximums of 33°C (92°F), alongside a lower minimum of 11°C (51°F). Precipitation in August totals 202 mm (8.0 in), slightly less than May’s 241 mm (9.5 in), though both months experience significant rainfall over 17 to 18 days. Interestingly, humidity remains consistent at 86% for both months, contributing to a dense and muggy atmosphere. For more details on May's weather in Xi'an, you can check out Xi'an weather in May.
In comparing the weather between August and June, August tends to be slightly warmer, with average temperatures reaching 27°C (81°F) compared to June's 24°C (75°F). Maximum temperatures also peak higher in August at 36°C (98°F), juxtaposed against June’s 34°C (93°F). Both months experience similar rainfall patterns, with August receiving 202 mm (8.0 in) and June a bit more at 255 mm (10.0 in); however, June has a slightly higher average humidity of 87% compared to August’s 86%. For more detailed insights about June weather, you can refer to Xi'an weather in June.
In comparing the weather between July and August, both months exhibit similar temperature patterns, with minimums around 18°C (65°F) and average highs near 27°C (81°F). However, July tends to be slightly warmer with a maximum temperature of 37°C (99°F), compared to August's peak of 36°C (98°F). Precipitation levels in July are higher, totaling 260 mm (10.2 in) over 18 days, while August sees a reduction to 202 mm (8.0 in) over the same number of days. Additionally, humidity levels are marginally lower in August at 86% compared to July’s 89%, making August slightly more comfortable. For more detailed information, check Xi'an weather in July.
August tends to be hotter and more humid than September, with average temperatures reaching 27°C (81°F) and maximums soaring to 36°C (98°F). In contrast, September sees a drop in average temperature to 23°C (73°F), with maximum temperatures peaking at 35°C (95°F). While August experiences higher precipitation levels at 202 mm (8.0 in) over 18 days, September brings a more manageable amount of rainfall at 141 mm (5.6 in) across 14 days. Additionally, humidity levels in August are significantly higher at 86%, compared to a more comfortable 70% in September. For more details on September weather, you can visit Xi'an weather in September.
August typically brings sweltering temperatures, with averages around 27°C (81°F) and highs reaching up to 36°C (98°F), accompanied by high humidity levels of 86%. The month is also marked by significant rainfall, experiencing about 202 mm (8.0 in) over 18 days. In contrast, October sees a notable drop in temperatures, with average highs of 16°C (62°F) and lows of 7°C (46°F). The precipitation also decreases to 89 mm (3.5 in) spread across 11 days, and the overall humidity falls to 72%. This transition from the heat of August to the cooler, drier conditions of October is quite striking. For more detailed insights, you can visit Xi'an weather in October.
In comparing the weather between August and November, the differences are striking. August typically presents much warmer temperatures, with minimums of 18°C (65°F) and highs reaching up to 36°C (98°F), along with high humidity levels at 86%. In contrast, November experiences much cooler conditions, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 28°C (83°F) and lower humidity at 82%. Additionally, August is characterized by significantly higher precipitation, accumulating 202 mm (8.0 in) over about 18 days, whereas November has a more moderate rainfall of 64 mm (2.5 in) over 12 days. For more details, check out Xi'an weather in November.
August and December showcase a dramatic contrast in weather patterns. In August, temperatures soar with a minimum of 18°C (65°F) and an average of 27°C (81°F), reaching as high as 36°C (98°F). This month is also characterized by high humidity at 86% and substantial rainfall, averaging 202 mm over 18 days. In stark contrast, December experiences much colder conditions, featuring a minimum of -6°C (22°F) and an average of only 6°C (43°F), with maximum temperatures reaching 19°C (66°F). Additionally, precipitation significantly decreases to 47 mm over just 8 days, and humidity drops to 76%. For more detailed insights on December weather, you can visit Xi'an weather in December.
August in Xi'an presents a distinctively warm and humid atmosphere, setting it apart from other months. With temperatures soaring to a maximum of 36°C (98°F) and an average heat of 27°C (81°F), this month is characterized by its intense warmth. The high humidity levels, reaching up to 86%, can make the heat feel even more oppressive. On top of this, August sees significant rainfall, with approximately 202 mm of precipitation over 18 days, which is quite substantial compared to drier months. This blend of heat and moisture creates a unique weather experience, making it essential for visitors to prepare accordingly. For more detailed insights into Xi'an's climate, check out Xi'an Climate.