Last updated: February 24, 2025
Las Vegas in August offers a stunningly warm climate that perfectly captures the essence of a desert oasis. With maximum temperatures soaring to a blistering 42°C (109°F) and an average of 31°C (88°F), visitors can expect long, sun-drenched days. The evenings cool down to a pleasant 20°C (67°F), providing a brief respite from the heat. Precipitation is rare, with only about 10 mm (0.4 in) falling over 2 days, making it a typically dry month. The low humidity of 29% further enhances the summer experience, allowing you to fully enjoy the vibrant nightlife and stunning landscapes the city is known for.
In August, Las Vegas experiences its typical sweltering embrace, with temperatures reaching a maximum of 42°C (109°F). As the summer peak, the month boasts a minimum temperature of 20°C (67°F) and an average of 31°C (88°F). This heat reflects a continuing trend throughout the summer, where the city warms progressively from June's moderate 29°C (85°F) up to the sizzling August peak. As daylight lingers longer, tourists and locals alike embrace the vibrant nightlife and outdoor adventures, all while staying refreshed in the shadow of the soaring desert sun. The intense heat of August sets the stage for a contrast to the cooler temperatures that September brings, creating a dynamic seasonal shift in this iconic city.
August in Las Vegas sees a slight uptick in precipitation, recording about 10 mm (0.4 in) over two rainy days. This month, while not the wettest, follows the typical summer pattern where sporadic showers provide a refreshing contrast to the otherwise arid climate. With rainfall peaking in July, August continues the trend of occasional summer storms that are vital for replenishing the desert landscape. Interestingly, this marks a significant dip compared to earlier months like January and February, which experience more generous precipitation, highlighting the seasonal shift as the city heads towards a dry fall. The dynamic nature of rainfall in Las Vegas is evident, as each month tells a unique story of the desert's climate resilience.
In August, Las Vegas experiences its driest conditions of the year, with humidity plummeting to just 29%. This trend reflects the city's shift from the wetter winter months, where humidity peaks at 81% in January and 84% in February, to the arid summer. As the seasons progress, moisture levels steadily decline—from 64% in April to a stark 33% by July—culminating in August's low humidity, which contributes to the desert's characteristic dry heat. Following August, humidity levels begin to rise again in the fall, climbing to 43% in September and gradually increasing through the months, signaling a shift back towards the more humid conditions typical of the cooler seasons.
In August, Las Vegas experiences a UV Index of 11, categorized as extreme, which means sun protection is crucial if you plan to enjoy the outdoors. This marks a slight decline from the scorching peak of 13 in July, yet the risk of harm from unprotected sun exposure remains high, with a burn time of just 10 minutes. As summer fades, the UV Index begins to lessen in September, but August still demands vigilance against the sun’s rays. For those looking to stay informed about UV conditions, check out more details at Las Vegas UV Index.
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August in Las Vegas shines brightly with 363 hours of sunshine, marking a slight dip from July's peak but still featuring a generous dose of summer warmth. As summer reaches its height, the intensity of sunlight reflects the city’s vibrant energy, making it a prime time for outdoor adventures and nighttime revelries. With hourly sunshine consistently increasing from the 186 hours in January to peak in July, August continues to encapsulate the essence of a classic Las Vegas summer. While the days gradually shorten as September approaches, the golden rays remain abundant, ensuring that the lively spirit of the city stays vibrant even as the sun begins its gradual retreat.
In Las Vegas, August shines brightly with an 83% chance of sunny weather, making it one of the sunniest months of the year. This trend of high sunshine persists from May through September, showcasing a remarkable stretch where sun-seekers can bask under the desert sun. Notably, while July dips to 55%, August rebounds to offer ideal conditions for outdoor activities. As summer transitions into early fall, the increasing likelihood of sunny days culminates in September's impressive 88%, ensuring that the vibrant Vegas atmosphere remains lively and inviting during this peak period.
In Las Vegas, the daylight duration experiences a captivating evolution throughout the year, peaking in the early summer months and gradually retreating towards winter. August, with its 13 hours of daylight, reflects a slight decline from the maximum of 14 hours seen in the preceding three months—June, July, and August—showcasing a transition from vibrant summer days to the softer light of autumn. The steady increase in daylight from January to May sets the stage for these sun-drenched days, while the gradual tapering off from September onwards hints at the approaching cooler seasons. This rhythm of sunlight not only shapes outdoor activities but also influences the vibrant lifestyle that Las Vegas is renowned for.
In Las Vegas, August brings a gentle breeze with an average wind speed of 2.7 m/s (6 mph), reminiscent of the calmness that often envelops the desert during late summer. This marks a slight increase from the windier months of April and May, which both share the same speed. The trend of decreasing wind speeds from July's 2.2 m/s creates a sense of tranquility as summer begins to wane. Interestingly, while the winds in August are less forceful than earlier in the season, they remain consistent with the autumn transition ahead, making outdoor evenings pleasantly comfortable. By the end of the summer, the predictably mild winds serve as a reminder of the city's unique climate, inviting residents and visitors alike to enjoy the enchanting desert nights.
The weather in Las Vegas changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Las Vegas and find detailed weather information for every month.
August and January present stark contrasts in weather conditions. In August, temperatures soar with a minimum of 20°C (67°F) and an average high of 31°C (88°F), reaching peaks of up to 42°C (109°F). This month is also characterized by low precipitation, averaging only 10 mm (0.4 in) over just two days, and a relatively dry humidity level of 29%. In sharp contrast, January experiences much cooler temperatures, with a minimum of -5°C (24°F) and an average of 7°C (46°F), while the maximum only peaks at 20°C (68°F). Precipitation is higher in January, with about 22 mm (0.8 in) across three days, and the humidity significantly rises to 81%. For a more detailed look at January weather, you can check Las Vegas weather in January.
August and February present stark contrasts in weather. In August, temperatures soar with a minimum of 20°C (67°F), averaging a sweltering 31°C (88°F) and peaking at 42°C (109°F), complemented by low humidity of 29% and negligible rainfall of 10 mm over just 2 days. In contrast, February experiences much cooler conditions, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 24°C (75°F), and an average of 9°C (48°F). This month sees higher humidity levels at 84%, along with more substantial precipitation of 25 mm over 4 days. For more information on February weather, visit Las Vegas weather in February.
August and March present strikingly different weather patterns. In August, temperatures soar with a minimum of 20°C (67°F) and an average high of 31°C (88°F), peaking at a scorching 42°C (109°F). The month is relatively dry, with only 10 mm (0.4 in) of precipitation across just 2 days and low humidity at 29%. In contrast, March showcases much cooler temperatures, ranging from a chilly minimum of -1°C (31°F) to an average maximum of 30°C (87°F), with an overall average of 13°C (55°F). March experiences more precipitation, totaling 21 mm (0.8 in) over 4 days and significantly higher humidity at 76%. For more detailed insights, you can check out Las Vegas weather in March.
When comparing the weather in August and April, a stark contrast emerges. August experiences much higher temperatures, ranging from a minimum of 20°C (67°F) to a scorching maximum of 42°C (109°F), with an average of 31°C (88°F). In contrast, April enjoys milder conditions, with a minimum of 2°C (36°F), an average of 18°C (65°F), and a maximum of 34°C (94°F). While August has very low precipitation at 10 mm (0.4 in) over just 2 days, April sees slightly less rainfall at 6 mm (0.2 in) but with a notably higher humidity level of 64% compared to August's 29%. For a more detailed look at April's weather, visit Las Vegas weather in April.
August and May in Las Vegas showcase contrasting weather patterns. In August, the temperatures range from a minimum of 20°C (67°F) to a scorching maximum of 42°C (109°F), with an average temperature of 31°C (88°F), and relatively low humidity at 29%. In stark contrast, May experiences a much cooler temperature range, with a minimum of 7°C (45°F) and a maximum of 39°C (102°F), averaging 22°C (72°F), accompanied by higher humidity at 48%. Both months see similar precipitation levels, with 10 mm (0.4 in) over two days, but the overall experience of heat and comfort significantly differs. For more details, check out Las Vegas weather in May.
In comparing the weather of August and June, we find notable differences in temperature and humidity levels. August experiences higher average temperatures, ranging from a minimum of 20°C (67°F) to a scorching maximum of 42°C (109°F), while June showcases a milder minimum of 12°C (54°F) and a slightly lower average of 29°C (85°F), peaking at 43°C (110°F). Interestingly, while August has a minimal amount of precipitation at 10 mm over 2 days and lower humidity at 29%, June is drier with only 1 mm of precipitation and no rainy days, although it has a higher humidity level of 40%. For a more detailed look at June weather, you can visit Las Vegas weather in June.
In comparing the weather patterns of August and July, we see that August tends to be slightly cooler, with average temperatures ranging from a minimum of 20°C (67°F) to a maximum of 42°C (109°F), compared to July's range of 18°C (64°F) to 44°C (111°F). The average temperature in August is 31°C (88°F), just a notch below July's 32°C (89°F). Precipitation is significantly lower in August, with only 10 mm (0.4 in) over 2 days, while July experiences 16 mm (0.6 in) across 4 days. Additionally, humidity is less oppressive in August at 29%, compared to July's 33%. For more detailed insights on July weather, you can visit Las Vegas weather in July.
August is characterized by sweltering heat, with average temperatures soaring to 31°C (88°F) and maximum highs reaching up to 42°C (109°F). The month typically experiences very low precipitation, averaging just 10 mm (0.4 in) over two days, and a humidity level of 29%, contributing to the arid summer conditions. In contrast, September offers a more moderate climate, with average temperatures dropping to 27°C (80°F) and nighttime lows cooling to 8°C (47°F). Precipitation is also minimal, with only 3 mm (0.1 in) registered over one day, yet humidity increases to 43%, making the air feel slightly more comfortable. For more detailed insights, you can check out Las Vegas weather in September.
August and October present a dramatic contrast in weather conditions. While August boasts warm to scorching temperatures ranging from a minimum of 20°C (67°F) to a maximum of 42°C (109°F), October experiences a much cooler climate with temperatures dipping to a minimum of -1°C (31°F) and an average of 18°C (65°F). Precipitation is minimal in both months, with August receiving 10 mm (0.4 in) over 2 days compared to October's lighter 3 mm (0.1 in) over just 1 day. Additionally, October's humidity stands at 61%, significantly higher than August's average of 29%, creating a more comfortable atmosphere despite the cooler temperatures. For more details, check out Las Vegas weather in October.
August is characterized by intense heat, with temperatures ranging from a minimum of 20°C (67°F) to a scorching maximum of 42°C (109°F). The humidity is relatively low at 29%, and there’s only a slight chance of rain, with just 10 mm (0.4 in) of precipitation over 2 days. In contrast, November brings much cooler temperatures, with minima dropping to -2°C (29°F) and an average of 13°C (55°F), peaking at a milder 28°C (82°F). The humidity rises significantly to 76%, and precipitation, while slightly more frequent, remains low at 13 mm (0.5 in) across only 1 day. For more details about the weather in November, check out Las Vegas weather in November.
The weather in August and December presents a stark contrast. August boasts high temperatures, ranging from a minimum of 20°C (67°F) to a scorching maximum of 42°C (109°F), making it one of the hottest months. With average temperatures around 31°C (88°F) and relatively low humidity at 29%, it is characterized by dry conditions, receiving only 10 mm (0.4 in) of precipitation over just 2 days. In sharp contrast, December sees much cooler temperatures, with a minimum of -3°C (27°F) and a maximum of 23°C (73°F), averaging about 7°C (45°F). The month experiences higher humidity at 78% and receives more precipitation, totaling 18 mm (0.7 in) over 4 days. For more details on December weather, visit Las Vegas weather in December.
In August, Las Vegas basks in the height of summer, showcasing a distinctly warmer profile compared to other months. With average temperatures hovering around a tropical 31°C (88°F) and occasional peaks that can soar to a sizzling 42°C (109°F), this month is characterized by its radiant heat and minimal rainfall, typically only experiencing about two days of precipitation. As humidity remains relatively low at 29%, the dry desert air intensifies the warmth, making for perfect conditions to enjoy the vibrant nightlife and outdoor adventures the city is famous for. Experience the unique climate of this dazzling destination and find out more at Las Vegas Climate.