Last updated: February 24, 2025
August in Austin, United States, offers a sizzling blend of summer heat and occasional rains. With maximum temperatures soaring to a steamy 41°C (105°F), the city experiences an average warmth of 30°C (86°F), providing plenty of opportunities for outdoor adventures. However, the month also sees a subtle reminder of the shifting seasons with 118 mm (4.6 in) of precipitation over seven days, enhancing the lush greenery that Austin is known for. The relative humidity of 63% adds a muggy feel to the warm days and cooler nights, making it the perfect time to enjoy the vibrant culture and nightlife of this Texan capital amidst its characteristic warmth.
In August, Austin experiences its warmest temperatures of the year, with minimums hovering around a comfortable 20°C (68°F), while the average climbs to a steamy 30°C (86°F). The maximum can reach sizzling heights of 41°C (105°F), solidifying August as a peak month for heat. This trend aligns with the sweltering summer that precedes it, as July already showcases maximums of 42°C (108°F). Notably, the city's temperatures have a noticeable escalation through the summer months, with August marking a slight decrease in nighttime lows compared to the previous month, suggesting a warm, albeit slightly more bearable, shift as the summer season starts to wind down. With such warmth, August offers a perfect backdrop for outdoor activities, albeit with a reminder to stay hydrated and cool.
August in Austin is marked by a significant uptick in precipitation, with an average of 118 mm (4.6 inches) of rain falling over just 7 days. This month stands out as one of the wetter periods of the year, following a relatively dry July, which saw only 71 mm (2.8 inches) over 8 days. The spike in rainfall can be attributed to the peak of the summer thunderstorms, providing much-needed relief from the heat while also setting the stage for the transitioning into autumn. Interestingly, August's precipitation is slightly higher than September's 113 mm (4.5 inches), suggesting that the rainy season in Austin can linger a bit longer than expected. Overall, August serves as a crucial bridge in the city's climate, blending summer's warmth with the impending fall moisture.
In August, Austin experiences a noticeable dip in humidity, averaging 63%, marking it as the driest month of the year. This decrease is significant when contrasted with the higher humidity levels in the preceding months, particularly the wetter conditions seen in May at 82%. Following July’s 69%, August provides a brief respite, suggesting a shift as summer begins to wane. Notably, the trend reveals a gradual increase in humidity as the year progresses toward the fall, with September rising slightly to 66% and November peaking at a humid 84%. This fluctuation underscores the typical Texan climate, where sweltering summers give way to more comfortable and humid autumn days.
August in Austin continues the trend of high UV exposure, with a UV Index of 11 that falls within the extreme category. This marks a slight decrease from the peak July index of 12, yet still demands caution for outdoor activities, as the burn time is a rapid 10 minutes. Throughout the summer months, the UV Index consistently ranges from 11 to 12, reflecting an ongoing risk for sunburn and skin damage. As the heat lingers, it’s crucial for residents and visitors alike to prioritize sun safety. For more information on the UV levels throughout the year, visit Austin UV Index.
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August in Austin basks in a generous 328 hours of sunshine, making it one of the sunniest months of the year. Following the peak of summer in July with 350 hours, August continues to deliver ample sunlight, though with a slight dip. This trend reflects the overall pattern of increasing sunshine hours from January through July, peaking in mid-summer, before gradually decreasing in the fall months. The transition to September shows a notable decline to 276 hours, hinting at the approaching cooler seasons. The consistent brightness in August not only uplifts the spirits of locals and visitors alike but also serves as a reminder of Austin's vibrant summer days before the shift towards autumn.
In Austin, the likelihood of sunny weather reaches a peak in the winter and autumn months, with January and November both showcasing a 58% chance of sunshine. As the year warms up, however, this probability takes a dip, especially from May to July, where the odds drop significantly, hitting a low of 29% in May. August, while still sunny with a 37% chance, continues this downward trend yet does not reach the summer highs typical of earlier months. Interestingly, as the hot, humid days of summer fade, both September and October rebound with a more favorable 59% chance of sunshine, marking the return of brighter skies and pleasant weather.
In Austin, the month of August enjoys a delightful 13 hours of daylight, mirroring the sun-soaked days of July. This pattern underscores a seasonal peak in daylight hours during the summer months, where June shines brightest with 14 hours. As the days slowly begin to wane with the turn of the season, August marks a transition period before a gradual decline in sunlight through the fall and into winter. With each passing month, daylight decreases incrementally, reminding us of the cyclical nature of the seasons in this vibrant city.
In August, the winds in Austin experience a subtle lull, with an average speed of just 2.8 m/s (6 mph). This marks the tail end of the summer, a season characterized by gradually declining wind velocities. Following a peak in March at 4.3 m/s (10 mph), the wind speeds have slowly tapered off through the warmer months, reflecting the heat of summer and the stillness that often accompanies it. Interestingly, the patterns of the preceding months indicate a steady decrease, from 2.9 m/s (7 mph) in June to 2.6 m/s (6 mph) in July. As August rolls in, these gentle breezes offer a slight respite from the summer heat, hinting at the transition to the more dynamic winds of fall.
The weather in Austin 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 Austin and find detailed weather information for every month.
The weather in August and January contrasts significantly. August typically sees much warmer temperatures, with a minimum of 20°C (68°F) and an average high of 30°C (86°F), peaking at a scorching 41°C (105°F). In contrast, January experiences a chilly minimum of -8°C (17°F) and an average temperature of 11°C (52°F), with highs reaching 27°C (81°F). While August is characterized by higher humidity at 63% and more precipitation (118 mm or 4.6 in over 7 days), January has a lower precipitation rate of 49 mm (1.9 in) across 6 days, coupled with a higher humidity level of 78%. For more detailed insights, check out Austin weather in January.
August and February present stark contrasts in weather patterns. In August, temperatures soar with a minimum of 20°C (68°F) and an average of 30°C (86°F), peaking at a scorching 41°C (105°F). This month also experiences significant rainfall, totaling 118 mm (4.6 in) over approximately 7 days, with humidity hovering around 63%. In contrast, February boasts a much cooler climate, featuring a minimum temperature of -15°C (5°F) and an average of 12°C (54°F), with a maximum reaching 31°C (88°F). Although February has lower overall precipitation at 58 mm (2.3 in) across 9 days, it experiences higher humidity at 78%. For more detailed insights on February weather, you can refer to Austin weather in February.
In comparing the weather between August and March, it's clear that August tends to be significantly hotter, with temperatures ranging from a minimum of 20°C (68°F) to a scorching maximum of 41°C (105°F) and an average of 30°C (86°F). In contrast, March features much cooler temperatures, with a minimum of -3°C (26°F), an average of 18°C (64°F), and a maximum of 33°C (91°F). While both months experience precipitation, August sees more rain with 118 mm (4.6 inches) over roughly 7 days compared to March’s 69 mm (2.7 inches) over 10 days. Furthermore, March has a higher humidity level at 77%, as opposed to August’s 63%. For a detailed look at the conditions you can expect in March, check out Austin weather in March.
In a striking contrast to April, August boasts significantly higher temperatures, with averages around 30°C (86°F) and maximums soaring up to 41°C (105°F). While April enjoys milder weather with average temperatures of 20°C (69°F) and maximums reaching 35°C (96°F), it also brings higher humidity at 78% compared to August's 63%. Moreover, both months experience notable rainfall, but April sees slightly more precipitation over nine days, totaling 90 mm (3.5 in) compared to August's 118 mm (4.6 in) over seven days. For a detailed look at April weather, visit Austin weather in April.
August and May exhibit distinct climatic characteristics. In August, temperatures range from a minimum of 20°C (68°F) to a scorching maximum of 41°C (105°F), with an average of 30°C (86°F). The month sees about 118 mm (4.6 in) of precipitation spread over 7 days, accompanied by a humidity level of 63%. In contrast, May has cooler temperatures, with a minimum of 11°C (51°F) and a maximum of 37°C (99°F), averaging at 25°C (77°F). This month experiences slightly higher rainfall, totaling 155 mm (6.1 in) over 13 days, and higher humidity at 82%. For more detailed information, check out Austin weather in May.
In June, temperatures start at a minimum of 18°C (64°F) and can reach up to 38°C (101°F), with an average of 28°C (82°F). This month sees approximately 98 mm (3.8 in) of precipitation over 10 days, and humidity levels are relatively high at 78%. In contrast, August experiences warmer temperatures, with a minimum of 20°C (68°F) and a maximum of 41°C (105°F), averaging around 30°C (86°F). During this month, precipitation increases to 118 mm (4.6 in) but occurs over fewer days—about 7—resulting in slightly lower humidity levels of 63%. For more details on June weather, you can visit Austin weather in June.
In comparing the weather between July and August, it is evident that August tends to be slightly warmer, with an average temperature of 30°C (86°F) compared to July's average of 29°C (85°F). Additionally, while both months exhibit high maximum temperatures, August sees a peak of 41°C (105°F), similar to July's maximum of 42°C (108°F). Precipitation is more pronounced in August, with 118 mm (4.6 in) over 7 days, compared to July's 71 mm (2.8 in) across 8 days, despite the slightly higher humidity in July at 69% compared to 63% in August. For more specific details on July weather, you can check Austin weather in July.
August is characterized by hotter temperatures, with a minimum of 20°C and an average of 30°C, reaching highs of up to 41°C. In contrast, September sees a noticeable drop in temperatures, with a minimum of 11°C and an average of 27°C, peaking at 38°C. Both months experience similar levels of precipitation, with August receiving 118 mm over 7 days and September slightly less at 113 mm but spread over 11 days. Humidity remains relatively high in both months, hovering around 63% in August and 66% in September, suggesting a continued sense of warmth despite the cooler nights in September. For more details, check out Austin weather in September.
August and October present stark contrasts in weather patterns. In August, temperatures soar with minimums of 20°C (68°F) and maximums reaching up to 41°C (105°F), resulting in an average of 30°C (86°F). This month also experiences considerable precipitation, totaling 118 mm (4.6 in) over about 7 days, accompanied by a humidity level of 63%. In contrast, October features a more moderate temperature range, with minimums dropping to 3°C (37°F) and maximums peaking at 36°C (97°F), giving an average of 21°C (71°F). Although October receives slightly less precipitation at 95 mm (3.7 in) across 9 days, it exhibits higher humidity at 73%. For a more detailed look at the weather changes, check out Austin weather in October.
August and November exhibit stark contrasts in weather patterns. In August, temperatures soar with a minimum of 20°C (68°F) and can reach highs of up to 41°C (105°F), accompanied by significant humidity at 63%. Precipitation is also prevalent, averaging 118 mm (4.6 inches) over about 7 rainy days. In contrast, November brings much cooler conditions, with temperatures ranging from a chilly -3°C (26°F) to a mild maximum of 30°C (86°F) and an average of 15°C (60°F). The month sees less rain, totaling 52 mm (2.0 inches) over 6 days, but a higher humidity level of 84%. For more detailed weather information, check Austin weather in November.
In August, the weather is characterized by high temperatures, with minima around 20°C (68°F) and a sweltering average of 30°C (86°F), peaking at a scorching 41°C (105°F). This month also sees a fair amount of rainfall, totaling 118 mm (4.6 in) over approximately 7 days, combined with moderate humidity levels at 63%. In stark contrast, December experiences much cooler weather, with temperatures ranging from a chilly minimum of -3°C (27°F) to an average of 13°C (55°F), topping out at 29°C (84°F). Precipitation in December is less intense at 78 mm (3.1 in) over around 6 days, and the humidity rises to a higher level of 87%. For more detailed insights, check out the Austin weather in December.
As August arrives in Austin, the city embraces the peak of summer with sweltering temperatures that can soar to a blistering 41°C (105°F), making it one of the hottest months of the year. While the average temperature hovers around a balmy 30°C (86°F), nights offer a more comfortable reprieve with lows around 20°C (68°F). Rainfall is limited, with only about seven days of precipitation contributing to a total of 118 mm (4.6 in), yet humidity remains high at 63%, adding to the steamy feel of the season. This combination of heat and occasional rain sets August apart from the milder conditions typically experienced earlier in the summer. For more insights into how August weather compares to the rest of the year, visit Austin Climate.