Last updated: August 21, 2025
Lanzhou experiences a warm August, with temperatures soaring to a maximum of 35°C (95°F) while maintaining an average of 20°C (68°F). The evenings bring a refreshing chill, with lows reaching 10°C (50°F). This month also sees a notable amount of rainfall, totaling 125 mm (4.9 in) over approximately 13 days, contributing to the area's high humidity levels of 86%. Visitors should prepare for a mix of heat and occasional showers, making August a unique time to explore this vibrant city in north-central China.
In August, Lanzhou experiences a warm transition towards the end of summer, with temperatures ranging from a comfortable 10°C (50°F) at night to a sizzling 35°C (95°F) during the day. The average temperature sits at a pleasant 20°C (68°F), marking it as one of the hottest months of the year. This trend of escalating heat began in July, where temperatures peaked at 36°C (97°F), and continues to show a gradual increase from the milder temperatures of early summer. As the city braces for August's warmth, it contrasts sharply with the frigid depths of winter, where January’s lows dip to a biting -19°C (-2°F), highlighting the stark seasonal shifts that define Lanzhou’s climate.
In August, Lanzhou experiences a significant peak in precipitation, with an impressive 125 mm (4.9 in) falling over 13 days. This surge marks the height of the city's rainy season, reflecting a substantial contrast to the drier months of earlier in the year. From a mere 6 mm in January to the flourishing downpours of late summer, the pattern clearly illustrates a gradual but steady increase in rainfall as the seasons transition. Following the trend established in July—which already bears 81 mm over 11 days—August solidifies its reputation as the wettest month of the year, signaling a vital time for water replenishment and agricultural growth in the region. As summer wanes, Lanzhou prepares for the return to drier conditions, with September expected to bring a notable decline to 70 mm.
August in Lanzhou, China, marks a significant peak in humidity, reaching 86%, which is one of the highest levels recorded throughout the year. This month stands out as an interim dull before the gradual increase in late summer and early fall, heralding the approaching colder months. Notably, humidity levels gradually rise from the drier days of May, where it drops to 78%, and steadily climb to 82% in July. Following August, humidity continues to rise, peaking at 88% in October, indicating a tendency for the latter part of the year to experience higher moisture levels. This trend underscores Lanzhou's transition from the warmth of summer to the coolness of autumn, setting the stage for a unique climatic experience.
In August, Lanzhou experiences an UV Index of 11, indicating an extreme level of sun exposure, with a burn time of just 10 minutes. This places August among the peak months for UV radiation, following a summer of relentless sun and high UV readings. Interestingly, while the UV Index in the preceding months of May, June, and July remained at 12, August sees a slight decrease yet still requires serious sun protection. Visitors and residents should remain vigilant, as the intense UV levels can lead to sunburn and other skin damage if safety precautions aren't observed. Overall, trends in Lanzhou's UV Index demonstrate a dramatic increase during the summer months, highlighting the importance of sun safety throughout the season. For more detailed information, check the Lanzhou UV Index.
UV Risk Categories
In August, Lanzhou basks in an impressive 316 hours of sunshine, continuing the city's summer glow from the previous month. This peak in sunlight comes after a series of steadily increasing hours from the start of January's 224 hours, emphasizing a distinct upward trend as spring transitions into summer. July boasts the highest sunshine record at 348 hours, wrapping the region in golden rays. While the onset of autumn in September signals a subtle dip to 285 hours, the month of August remains a vibrant full-stop before the cooler seasons approach. Overall, Lanzhou's sun-drenched months from May through August create a charming tableau of light, inviting both residents and visitors to enjoy the warmth of the season.
In Lanzhou, China, the likelihood of sunny weather in August stands at 45%, a figure that reflects a slight dip compared to the more sunlit days seen in July, which boasts a 55% chance of sunshine. This trend suggests that while summer remains a relatively brighter season, August transitions toward the milder, variable weather patterns of fall. Interestingly, the sunniest months, November and December, show a remarkable 78% and 60% chance of sun, respectively, highlighting a unique climatic shift as the year progresses. Thus, visitors can expect a mix of sunshine and clouds in August, but with the promise of clearer skies as autumn approaches.
In Lanzhou, China, August marks a transition in daylight duration, with the sun gracing the sky for approximately 13 hours each day. This is a notable decrease from the peak of 14 hours experienced in the summer months of June and July, reflecting the gradual shift toward autumn. As the year unfolds, daylight hours generally increase from the minimal 9 hours in January to a maximum in mid-summer, before gently tapering off during the fall. As August gives way to September, the days continue to shorten, with a subsequent drop to 12 hours of daylight. This rhythmic ebb and flow of sunlight captures the essence of Lanzhou's seasonal transformation, inviting both reflection and appreciation of nature's cycles.
In Lanzhou, China, the August wind brings a gentle breeze, with an average speed of 2.1 m/s (5 mph). This marks a slight increase from the slower winds of July, indicating a subtle uptick in airflow as summer approaches its end. Interestingly, the wind speeds remain fairly consistent during the warmer months, peaking in May and August before beginning a gradual decline into autumn. As the seasons shift, the calming winds of August not only enhance the city's climate but also serve as a reminder of the transient beauty of summer, gradually transitioning towards the cooler months ahead. Overall, the wind pattern reflects a steady rhythm, where the lighter breezes of winter stand in stark contrast to the more dynamic gusts of late summer.
Weather in Lanzhou varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Lanzhou, focusing on differences in temperature, rainfall, humidity, and UV levels.
In August, the weather in Lanzhou is characterized by warm temperatures, with minimums around 10°C (50°F), averages hitting 20°C (68°F), and maximums soaring up to 35°C (95°F). This month is also quite humid, averaging 86%, and sees a substantial amount of rainfall, totaling 125 mm (4.9 in) over approximately 13 days. In stark contrast, January brings much colder conditions, with temperatures plunging to a minimum of -19°C (-2°F), an average of -5°C (23°F), and a maximum of only 13°C (55°F). The winter month boasts significantly less precipitation, around 6 mm (0.2 in) spread over just 2 days, along with higher humidity levels of 81%. For more detailed insights into Lanzhou's January weather, visit Lanzhou weather in January.
August and February present starkly contrasting weather conditions. In August, temperatures range from a minimum of 10°C (50°F) to a scorching maximum of 35°C (95°F), with an average temperature of 20°C (68°F). This summer month also experiences high humidity at 86% and significant precipitation of 125 mm (4.9 in) over 13 days. Conversely, February's weather is much colder, with temperatures plummeting to a minimum of -21°C (-5°F) and only reaching a maximum of 17°C (63°F), averaging around -2°C (29°F). During this winter month, precipitation is minimal at just 7 mm (0.3 in) across 2 days, and humidity remains relatively high at 85%. For more details, visit Lanzhou weather in February.
August and March present stark contrasts in weather. In August, temperatures can range from a cool 10°C (50°F) to a sizzling maximum of 35°C (95°F), with an average of 20°C (68°F). This month also sees significant rainfall, with about 125 mm (4.9 in) of precipitation over 13 days and high humidity at 86%. In comparison, March is much colder, with temperatures dipping as low as -11°C (13°F) and only reaching a maximum of 26°C (79°F), averaging around 6°C (43°F). Precipitation in March is minimal at 14 mm (0.5 in) over just three days, contributing to a slightly lower humidity level of 85%. For more details on March weather, you can check out Lanzhou weather in March.
The weather in August tends to be significantly warmer than in April, with average temperatures reaching 20°C (68°F) compared to April's 11°C (52°F). August also experiences higher extremes, with maximum temperatures soaring up to 35°C (95°F), while April can peak at 31°C (87°F). In terms of precipitation, August sees a notable increase, with 125 mm (4.9 in) of rain falling over about 13 days, compared to April's 40 mm (1.6 in) over 9 days. Humidity levels remain relatively high in both months, but August is slightly more humid at 86% compared to April's 83%. For those particularly interested in the specifics of April weather, you can check Lanzhou weather in April.
When comparing the weather in August and May, notable differences in temperature and humidity can be observed. August experiences a broader temperature range, with minimums around 10°C (50°F) and maximums soaring to 35°C (95°F), resulting in an average of 20°C (68°F). In contrast, May has cooler temperatures, with a minimum of 3°C (37°F) and an average of 16°C (60°F), peaking at 32°C (90°F). Additionally, August is characterized by higher precipitation and humidity levels, with rainfall of 125 mm (4.9 in) over 13 days and humidity at 86%, while May sees only 51 mm (2.0 in) over 7 days and a lower humidity of 78%. For a closer look at the weather specifics during May, you can check Lanzhou weather in May.
In comparing the weather of August and June, we see that August generally experiences warmer temperatures, with a minimum of 10°C (50°F) and a maximum of 35°C (95°F), compared to June's minimum of 8°C (46°F) and maximum of 32°C (91°F). Both months share an average temperature of around 20°C (68°F), but August is notably more humid, with humidity levels at 86% versus June's 80%. Additionally, precipitation is higher in August, totaling 125 mm (4.9 in) over 13 rainy days, in contrast to June, which sees 58 mm (2.3 in) across 9 days. For more detailed insights into June weather, you can visit Lanzhou weather in June.
In comparing the weather in August and July, we observe that August tends to be slightly cooler, with average temperatures of 20°C (68°F), compared to July's average of 22°C (72°F). While both months experience high maximum temperatures, August peaks at 35°C (95°F), just shy of July’s maximum of 36°C (97°F). Regarding precipitation, August is significantly wetter, receiving 125 mm (4.9 in) over 13 days, whereas July records only 81 mm (3.2 in) across 11 days. Additionally, humidity levels are higher in August at 86%, compared to July's 82%. For a more detailed look at July's conditions, you can refer to Lanzhou weather in July.
August and September present a notable contrast in weather patterns. August tends to be hotter, with temperatures ranging from a minimum of 10°C (50°F) to a maximum of 35°C (95°F), while September sees cooler conditions, with temperatures dropping to a minimum of 6°C (42°F) and a maximum of 31°C (87°F). Precipitation is higher in August, totaling 125 mm (4.9 in) over 13 days, compared to September's 70 mm (2.8 in) over 12 days. Humidity remains relatively high in both months, with August at 86% and September slightly higher at 87%. For more details about September weather, you can visit Lanzhou weather in September.
August weather is characterized by much warmer temperatures, with averages reaching up to 20°C (68°F) and maximums soaring to 35°C (95°F). In contrast, October experiences a significant drop in temperature, with average highs around 9°C (48°F) and a chilly minimum of -1°C (30°F). Additionally, August sees higher precipitation levels at 125 mm (4.9 in) over 13 days, whereas October has just 48 mm (1.9 in) across 9 days. Humidity levels remain relatively high in both months, with August at 86% and October slightly higher at 88%. For more details about October weather, you can visit Lanzhou weather in October.
August and November present a striking contrast in weather conditions. In August, temperatures range from a minimum of 10°C (50°F) to a scorching maximum of 35°C (95°F), with an average of 20°C (68°F). This month also experiences significant rainfall, totaling 125 mm (4.9 in) over approximately 13 days, accompanied by high humidity levels of 86%. In contrast, November cools down dramatically, with temperatures dropping to a minimum of -13°C (10°F) and averaging just 2°C (36°F), while the maximum reaches a mild 20°C (69°F). Precipitation in November is considerably lesser at 12 mm (0.5 in) over only 3 days, yet the humidity remains constant at 86%. For more detailed information about the weather during this month, you can visit Lanzhou weather in November.
August and December present strikingly different weather conditions. In August, temperatures range from a comfortable 20°C (68°F) to a scorching 35°C (95°F), accompanied by high humidity levels of 86%, and precipitation is common, with rain expected on 13 days totaling 125 mm (4.9 in). In contrast, December experiences much harsher conditions, with temperatures dipping significantly, ranging from a frigid -18°C (1°F) to a maximum of only 12°C (54°F). The month is notably dry, with just 5 mm (0.2 in) of precipitation occurring over only 1 day, alongside lower humidity levels at 78%. For more detailed information, check out Lanzhou weather in December.
As August unfolds in Lanzhou, the transition to late summer brings a mix of warmth and humidity, creating a unique atmosphere distinct from other months. With temperatures peaking around 35°C (95°F) and an average of 20°C (68°F), the heat is felt more intensely, especially during the day. In contrast to the cooler and drier days of spring earlier in the year, August is one of the wettest months, with notable precipitation and frequent rain showers contributing to a higher humidity level of 86%. This increase in moisture not only affects the daily climate but also enhances the region's natural beauty, leaving the landscape vibrant and lush. To explore more about Lanzhou's climate throughout the year, visit Lanzhou Climate.