Last updated: August 21, 2025
Experience the vibrant August weather in Buenos Aires, Argentina, where temperatures range from a pleasant maximum of 24°C (75°F) to a refreshing minimum of 2°C (36°F). The average temperature settles at a comfortable 12°C (55°F), making this month ideal for exploration. Humidity hovers around 66%, lending a mild feel to the air. While visitors may encounter 5 days of precipitation, totaling 51 mm (2.0 in), the city's charm shines through the scattered showers. Embrace the unique blend of sun and rain that defines this month's captivating atmosphere.
In August, Buenos Aires experiences a distinct shift towards cooler temperatures, marking the tail end of winter in the Southern Hemisphere. With minimums dropping to 2°C (36°F) and average temperatures hovering around 12°C (55°F), it's a month of gradual transition. Despite the chill, daytime highs can reach a comfortable 24°C (75°F), offering pleasant opportunities to explore the city’s vibrant culture. As the city gradually warms, the average temperatures signify a subtle awakening, setting the stage for the blossoming spring season just around the corner. This delightful blend of crisp mornings and mild afternoons makes August a unique time to experience Buenos Aires.
In August, Buenos Aires experiences a notable decline in precipitation, with an average of just 51 mm (2.0 in), making it one of the driest months of the year. This decrease is highlighted by a reduction in rainy days, averaging only 5, compared to the preceding months where precipitation levels hover around the 70 mm mark. As the city transitions from winter to spring, August serves as a brief respite from the heavy rains of the earlier months, paving the way for a wetter September with an uptick in both rainfall and precipitation days. The overall trend indicates a gradual decrease in rainfall leading into this month before the patterns shift again, showcasing Buenos Aires' dynamic climate.
In August, Buenos Aires experiences a humidity level of 66%, marking a slight decline from the peak of 85% in May. This month stands out as a transitional period, where the city's humidity begins to ease as winter fades. Following July's 69%, August’s humidity continues the trend of gradual decrease, hinting at the approaching spring. Interestingly, this month’s figure is lower than the high humidity levels seen earlier in the year, such as in March and April, yet remains moderately elevated compared to the drier months of November and December. Overall, August serves as a pivotal point in Buenos Aires, bridging the cooler, humid winter days to the warmer, drier conditions of spring.
In August, Buenos Aires experiences a UV Index of 6, placing it in the high exposure category, with a recommended burn time of 25 minutes. This indicates a noticeable shift from the extreme levels seen earlier in the year, where indices reached up to 14 in January and 13 in February. As summer recedes into fall, overall UV exposure begins to moderate, yet vigilance remains essential, with potential for harmful effects still prevalent. Thus, it's important to remain cautious and protect your skin when enjoying outdoor activities during this transitional month. For detailed insights on the monthly UV Index in Buenos Aires, visit Buenos Aires UV Index.
UV Risk Categories
August in Buenos Aires welcomes 263 hours of sunshine, marking a transition toward the vibrant spring months. As winter yields to warmer days, sunlight begins to increase noticeably from the previous months, showcasing a significant shift as daylight hours gradually extend. This uptick continues through September, resulting in a lively ambiance as locals and visitors alike embrace the gradual reawakening of nature. Following the peak summer sunshine in December with a stunning 383 hours, the patterns highlight how Buenos Aires truly delights in long, radiant days as the year progresses, inviting all to soak up the enchanting warmth.
In Buenos Aires during August, you can expect a 64% chance of sunny weather, making it one of the sunnier months of the winter season. This aligns closely with the notable increase in sunshine seen in the preceding months, particularly July, which shares the same likelihood. While the summer months of January and February boast slightly higher sun chances at 60%, August holds its ground as a transition month leading into spring, hinting at brighter days ahead. As the temperatures gradually rise, it's clear that August not only offers a fair share of sunshine but also serves as a precursor to the sunnier days of spring.
In August, Buenos Aires experiences about 10 hours of daylight, marking a transitional period as the city slowly emerges from its winter slumber. Following the shorter days of June, which provide only 9 hours of sunlight, August maintains a steady daylight duration, setting the tone for the gradual increase that follows in September. Notably, this month's daylight mirrors that of July, reflecting a momentary pause before the lengthier days commence, peaking again in December with a generous 14 hours. As the locals embrace the lingering chill, the promise of spring beckons just beyond the horizon, hinting at the vibrant seasonal change ahead.
In August, Buenos Aires experiences a gentle breeze, with average wind speeds declining to 3.9 m/s (9 mph), marking it as one of the calmer months of the year. This slight reduction follows a consistent trend in the winter months, where wind speeds fluctuate between 4.1 m/s (9 mph) and 4.9 m/s (11 mph). As winter draws to a close, the winds begin to pick up again in September, reaching an average of 5.4 m/s (12 mph), hinting at the vibrant energy that spring will soon bring. Overall, the city's wind patterns reveal a rhythmic dance of calm and vigor, capturing the essence of each seasonal transition.
Weather in Buenos Aires varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Buenos Aires, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in August and January, noticeable differences emerge. August tends to be cooler, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 24°C (75°F) and an average of 12°C (55°F). In contrast, January sees significantly warmer conditions, with temperatures from a minimum of 14°C (58°F) to a maximum of 37°C (99°F) and an average of 25°C (77°F). Precipitation levels are slightly higher in January, with 59 mm (2.3 in) over six days, compared to August's 51 mm (2.0 in) spread over five days. Additionally, January maintains lower humidity levels at 50%, while August experiences a higher humidity at 66%. For more details on January weather, you can visit Buenos Aires weather in January.
When comparing the weather in August and February, notable differences emerge. August typically experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 12°C (55°F), while February boasts a much warmer minimum of 13°C (55°F) and an average of 23°C (75°F). Additionally, February sees a higher maximum temperature of 33°C (92°F), compared to August's max of 24°C (75°F). Precipitation is slightly higher in February at 72 mm (2.9 in) over 8 days, compared to August's 51 mm (2.0 in) over 5 days. Interestingly, humidity levels are relatively close, with August at 66% and February at 61%, providing a comfortable atmosphere in both months. For more detailed insights, refer to Buenos Aires weather in February.
In comparing the weather of August and March, it's clear that March tends to be warmer overall, with average temperatures ranging from a minimum of 10°C (51°F) to a maximum of 32°C (89°F), while August sees cooler temperatures, with a minimum of 2°C (36°F) and a maximum of 24°C (75°F). Additionally, March experiences higher precipitation levels, totaling 77 mm (3.0 in) across about 8 days, compared to August's 51 mm (2.0 in) over just 5 days. Interestingly, both months share the same humidity level of 66%, contributing to a somewhat similar feel despite the differences in temperature and precipitation. For more detailed weather information, you can check out Buenos Aires weather in March.
When comparing the weather in August and April, notable differences emerge. August typically features a more temperate climate with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 24°C (75°F). In contrast, April enjoys warmer conditions, with average temperatures between 6°C (44°F) and 29°C (84°F). Additionally, April experiences higher precipitation levels, averaging 82 mm (3.2 in) over about 8 days, compared to August's 51 mm (2.0 in) over 5 days. Humidity levels also tend to be higher in April at 80%, versus 66% in August. For a detailed look at April’s weather, you can visit Buenos Aires weather in April.
In comparing the weather of August and May, August tends to be cooler, with average temperatures ranging from a low of 2°C (36°F) to a high of 24°C (75°F), while May has a slightly warmer average, with temperatures ranging from a low of 4°C (39°F) to a high of 25°C (77°F). May also experiences higher humidity levels at 85%, compared to August's 66%, making it feel somewhat more muggy. Additionally, May sees more precipitation, with an average of 80 mm (3.2 in) over 7 days, compared to August's 51 mm (2.0 in) over just 5 days. For a detailed look at the weather patterns, you can check Buenos Aires weather in May.
In comparing the weather between August and June, we can observe some notable differences. August typically has a slightly higher maximum temperature of 24°C (75°F) compared to June's 23°C (74°F), while both months share a similar average temperature of around 12°C (54-55°F). However, June experiences more precipitation, totaling 66 mm (2.6 in) over 8 days, whereas August sees only 51 mm (2.0 in) across 5 days. Additionally, June has higher humidity levels at 80%, compared to August's 66%. For more detailed insights, you can refer to Buenos Aires weather in June.
In August, the weather in Buenos Aires showcases a slight warming compared to July, with average temperatures rising from 11°C (52°F) in July to 12°C (55°F) in August. The maximum temperatures remain comparable, peaking at 24°C (75°F) in August versus 23°C (74°F) in July. However, August experiences less precipitation, totaling 51 mm (2.0 in) over 5 rainy days, compared to July's 75 mm (3.0 in) across 8 days. Humidity levels also show a slight decrease, averaging 66% in August compared to 69% in July. For more details on July's weather, you can check Buenos Aires weather in July.
August and September present a noticeable transition in weather patterns. While August features a minimum temperature of 2°C (36°F) and an average of 12°C (55°F), September sees slightly warmer conditions with a minimum of 3°C (38°F) and an average of 15°C (59°F). The maximum temperature rises from 24°C (75°F) in August to 27°C (81°F) in September. However, September is also marked by increased precipitation, totaling 86 mm (3.4 in) over 6 days compared to August's 51 mm (2.0 in) over 5 days. Humidity also rises from 66% in August to 72% in September, contributing to a warmer and potentially more humid feel. For more detailed insights about September's climate, you can check this link: Buenos Aires weather in September.
August and October showcase distinct differences in weather patterns, with October generally bringing warmer temperatures. In August, temperatures range from a minimum of 2°C (36°F) to a maximum of 24°C (75°F), with an average of 12°C (55°F) and relatively low humidity at 66%. The month experiences around 51 mm (2.0 in) of precipitation over 5 days. In contrast, October sees increased warmth, with temperatures ranging from 7°C (45°F) to a maximum of 30°C (87°F) and an average of 17°C (63°F). However, it also has higher rainfall, totaling 103 mm (4.1 in) spread over 10 days, accompanied by slightly lower humidity at 63%. For more detailed insights on October weather, visit Buenos Aires weather in October.
In August, the weather is cooler with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 24°C (75°F) and an average of 12°C (55°F). This month experiences around 51 mm (2.0 in) of precipitation over approximately 5 days, coupled with a humidity level of 66%. In contrast, November brings warmer conditions, with temperatures varying from a minimum of 9°C (49°F) to a maximum of 33°C (91°F) and an average of 21°C (69°F). November also sees increased precipitation at 77 mm (3.0 in) across about 8 days, but with slightly lower humidity at 59%. For more detailed information on November's weather, you can check the link: Buenos Aires weather in November.
In comparing the weather between August and December, we see notable differences in temperature and precipitation. August features a cooler temperature range, with a minimum of 2°C (36°F) and a maximum of 24°C (75°F), while December enjoys significantly warmer conditions, with a minimum of 10°C (50°F) and a maximum reaching 34°C (94°F). Humidity levels are relatively different as well, with August averaging 66%, compared to December's lower 56%. Precipitation is also slightly higher in December, with 66 mm (2.6 in) over seven days, compared to August's 51 mm (2.0 in) over five days. For more details on December weather, visit Buenos Aires weather in December.
As August arrives in Buenos Aires, the city begins to shed the chill of winter, with average temperatures nudging upward and reaching a pleasant 24°C (75°F) at times. This month, characterized by a moderate humidity level of 66%, provides a refreshing yet crisp atmosphere. Compared to the colder months preceding it, August sees significantly reduced precipitation, with only a few days of light rain, allowing for more opportunities to explore the vibrant urban landscape. While the temperatures may still dip to a brisk 2°C (36°F) at night, the evolving climate hints at the approaching spring and injects a renewed energy into the city's pulse. For more insights into seasonal transitions, check out Buenos Aires Climate.