Last updated: August 21, 2025
Experience the unique climate of Ushuaia, Argentina during August, where temperatures are a cool maximum of 7°C (45°F) and dip to a brisk minimum of -12°C (11°F), with an average hovering around -1°C (31°F). This month is characterized by increased precipitation, totaling 79 mm (3.1 in) across 18 days, creating a refreshingly humid environment with an average humidity of 85%. Whether you're visiting for the stunning landscapes or adventurous outdoor activities, be prepared for the variable weather that adds to the charm of this southernmost city.
In Ushuaia, Argentina, August embraces the chill of winter, with temperatures showing a noticeable drop. The month typically experiences a minimum of -12°C (11°F) and hovers around an average of -1°C (31°F), peaking at a modest maximum of 7°C (45°F). This marks a continuation of the cold trend seen in July, where the temperature barely nudges above freezing. As winter stubbornly lingers, the days remain brisk and crisp, yet they hint at the slow transition towards spring that follows in September, when temperatures begin to rise slightly. The chill of August sets the stage for Ushuaia's unique beauty, as the snow-capped landscapes and enchanting winter scenes captivate those who venture to this southernmost city.
In August, Ushuaia sees 79 mm (3.1 in) of precipitation across 18 days, indicating a notable shift from the drier winter months. This increase in rainfall sets the stage for the vibrant spring to come, as the city transitions from its cooler summer counterpart. Despite the uptick in precipitation, August remains relatively moderate, especially when compared to the wetter months of January and March, which both exceed 100 mm. Overall, the month serves as a bridge, paving the way for the frequent rains of the upcoming months, particularly November, which is characterized by deeper downpours and a reawakening of the lush landscape.
In Ushuaia, Argentina, August sees a humidity level of 85%, maintaining the trend established in the preceding months. This figure reflects a subtle consistency in the region's maritime climate, where humidity hovers around the mid-80s throughout the winter season. Following a slight dip in July, humidity levels remain stable as the city transitions into spring. Intriguingly, this resilience in moisture levels continues a broader pattern from January through August, where humidity rarely strays far from the 85% mark, showcasing Ushuaia's unique ambiance characterized by its lush landscapes and cool, crisp air. As September approaches, a gradual decline to 84% is anticipated, hinting at slight seasonal changes to come.
In Ushuaia, Argentina, the UV Index experiences a notable fluctuation throughout the year, with August seeing a moderate index of 3 and a burn time of 30 minutes. This marks a return to the moderate exposure category after the low indices of winter months, where the UV Index was consistently at 1. As the seasons transition, the UV Index will climb again, signaling the arrival of spring and summer, when exposure levels rise significantly. Notably, September witnesses a slight increase to 5, paving the way for much more intense UV experiences as the year progresses. For those planning outdoor activities in August, it's essential to remain mindful of sun safety, especially as the index prepares for higher levels in the following months. For more detailed information, visit Ushuaia UV Index.
UV Risk Categories
As August unfolds in Ushuaia, Argentina, the city experiences a welcome increase in sunshine, boasting 154 hours of brilliant light. This uptick marks a significant shift from the darker winter months, where sunlight dipped to a mere 85 hours in June. The gradual climb from winter's gloom begins in July and continues through August, hinting at the approaching spring season. Notably, the transition in daylight leads into a striking surge as the year progresses, with October and November showcasing remarkable increases to 260 and 297 hours respectively. August serves as a pivotal moment, bridging the cooler, darker days with the vibrant warmth of spring, making it an exciting time to experience Ushuaia's ever-changing landscape.
In Ushuaia, Argentina, the likelihood of sunny weather shows some intriguing trends throughout the year. As winter fades, August brings a 23% chance of sunshine, marking a slight increase from the chilly July, which records only 20%. This gradual uptick hints at the onset of spring, with September promising even more brightness at 29%. Despite its reputation for unpredictable weather, Ushuaia will see a consistent pattern of increased sunshine as the year progresses, promising hope for those yearning to soak up the sun before the arrival of summer. With each passing month, the days gradually brighten, inviting both locals and travelers to embrace the emerging warmth.
In Ushuaia, Argentina, the progression of daylight duration throughout the year tells a captivating story of seasonal change. By August, the days begin to noticeably lengthen again, offering about 9 hours of daylight. This marks a gradual shift from the depths of winter, where sunlight was at a minimum with just 7 hours in June and July. As the days grow longer, September sees this trend continuing with an increase to 11 hours of daylight, paving the way for the vibrant blooms of spring. The contrast between the extended daylight of the summer months—peaking at 17 hours in December—and the shorter winter days emphasizes Ushuaia's unique position as a gateway to the polar regions, where the sun's presence ebbs and flows dramatically throughout the year.
In August, Ushuaia experiences a mild average wind speed of 2.4 m/s (5 mph), mirroring the gentle breezes typical of September. This time of year marks a transition; as the chill of winter begins to fade, the winds remain comparatively calm, offering a serene backdrop for the stunning landscapes of the southernmost city in the world. Notably, the wind speeds begin to rise again in October, reaching 3.2 m/s (7 mph), indicating the onset of spring with refreshing gusts that invigorate the scenery. Overall, the August winds are a gentle prelude to the more spirited breezes of the coming months, embodying the tranquil beauty of Ushuaia in late winter.
Weather in Ushuaia varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Ushuaia, focusing on differences in temperature, rainfall, humidity, and UV levels.
In August, Ushuaia experiences much colder temperatures compared to January, with averages around -1°C (31°F) and daytime highs peaking at just 7°C (45°F). The humidity is slightly higher in August at 85%, and with 79 mm of precipitation over 18 days, the weather often feels damp and chilly. In stark contrast, January brings milder conditions, with average temperatures of 8°C (47°F) and maximums reaching 20°C (69°F). Although January has more rainfall at 102 mm over 22 days, the lower humidity of 83% makes it feel more comfortable. For detailed information on January weather in Ushuaia, visit Ushuaia weather in January.
When comparing the weather in August to February, it is clear that February experiences milder temperatures, with an average of 8°C (47°F) compared to August's colder average of -1°C (31°F). February also showcases a wider temperature range, with maximums reaching up to 24°C (75°F), while August's highs peak at only 7°C (45°F). Precipitation levels are relatively similar, with February receiving 91 mm (3.6 in) over 18 days and August recording 79 mm (3.1 in) over the same number of days. Both months maintain a high humidity level of 85%, contributing to a damp atmosphere. For more specific insights into February's climate, you can explore Ushuaia weather in February.
The weather in August is generally colder than in March, with temperatures ranging from a minimum of -12°C (11°F) to a maximum of 7°C (45°F), while March sees milder conditions with a minimum of -3°C (28°F) and a maximum of 17°C (62°F). Both months experience similar humidity levels of 85%, but August receives slightly less precipitation (79 mm) compared to March's 102 mm, which usually falls over a comparable number of days—18 in August and 19 in March. For more detailed insights about weather conditions in March, you can visit Ushuaia weather in March.
When comparing the weather in August and April, there are several notable differences. August typically features colder temperatures, with a minimum of -12°C (11°F) and an average of -1°C (31°F), while April experiences milder conditions, with a minimum temperature of -7°C (19°F) and an average of 4°C (40°F). Additionally, the maximum temperatures in August reach only up to 7°C (45°F), compared to a pleasant 17°C (63°F) in April. Precipitation levels are fairly similar, with August receiving about 79 mm (3.1 in) and April slightly lower at 75 mm (2.9 in), both spread over 18 days of rainfall. Humidity remains relatively high in both months, at 85% in August and 86% in April. For more detailed information, you can visit Ushuaia weather in April.
When comparing the weather in August and May, we see some notable differences, particularly in temperature and precipitation patterns. In August, temperatures range from a minimum of -12°C (11°F) to a maximum of 7°C (45°F), with an average of -1°C (31°F). The month experiences 79 mm (3.1 in) of precipitation over 18 days, and humidity levels are relatively high at 85%. In contrast, May offers slightly milder conditions, with temperatures fluctuating between -11°C (13°F) and 11°C (53°F), averaging around 2°C (36°F). Precipitation in May is lower at 66 mm (2.6 in) over 15 days, with humidity just a bit higher at 86%. For a more detailed look at the weather in May, you can check Ushuaia weather in May. Overall, August feels colder and wetter compared to the relatively moderate and drier conditions of May.
In comparing the weather of August and June, both months exhibit similarities in their average temperatures, hovering around -1°C (31°F). However, August tends to be slightly milder with a maximum temperature of 7°C (45°F), contrasted with June’s peak of 6°C (43°F). Precipitation levels also vary, with August experiencing more rain at 79 mm (3.1 in) over 18 days, compared to June’s 46 mm (1.8 in) across 14 days. Humidity remains high in both months, with August at 85% and June slightly higher at 86%. For a closer look at June specifically, check out Ushuaia weather in June.
In comparing the weather of August to that of July, it's evident that both months share similar average temperatures, with July experiencing a minimum of -11°C (13°F) and August slightly cooler at -12°C (11°F). Both months feature average temperatures around -1°C (31°F) and maximum temperatures of 7°C (45°F). However, August sees an increase in precipitation, totaling 79 mm (3.1 in) over 18 days, compared to July's 51 mm (2.0 in) over 14 days. Humidity remains consistent at 85% across both months, contributing to the overall chilly atmosphere. For a detailed look at July weather specifically, visit Ushuaia weather in July.
August and September in Ushuaia display a gradual transition in weather conditions. In August, temperatures range from a chilly -12°C (11°F) as a minimum to a maximum of 7°C (45°F), with an average of -1°C (31°F). The month sees significant precipitation of 79 mm (3.1 in) over 18 days, accompanied by high humidity at 85%. By September, however, the temperatures rise slightly, with a minimum of -11°C (12°F), an average of 1°C (34°F), and a maximum of 10°C (51°F). Precipitation decreases to 64 mm (2.5 in) over 16 days, and humidity remains similar at 84%. This shift indicates a slow warming trend as the region moves deeper into spring. For more details, check out Ushuaia weather in September.
August in Ushuaia is characterized by colder temperatures, with minimums plummeting to -12°C (11°F) and an average of -1°C (31°F), while highs only reach about 7°C (45°F). The month sees significant precipitation, totaling 79 mm (3.1 in) over approximately 18 days, accompanied by high humidity levels at 85%. In contrast, October brings a slight warming, with minimum temperatures of -8°C (18°F) and average highs around 14°C (58°F). Though October experiences similar precipitation levels at 71 mm (2.8 in) across 19 days, humidity remains relatively high at 83%. This shift in weather marks a transition towards milder conditions. For more detailed insights into October’s climate, refer to Ushuaia weather in October.
August and November in Ushuaia present distinct weather patterns that highlight the transition from winter to spring. In August, temperatures remain quite chilly, with an average of -1°C (31°F) and a maximum of just 7°C (45°F), coupled with high humidity at 85% and significant precipitation spread across 18 days. In contrast, November sees a notable warming trend, with average temperatures rising to 6°C (43°F) and a maximum reaching 18°C (65°F). Although November experiences slightly more precipitation at 86 mm (3.4 in), it falls over 21 days, indicating a milder overall atmosphere. For a detailed outlook on November's weather, you can check Ushuaia weather in November.
August and December in Ushuaia present contrasting weather patterns. In August, temperatures range from a chilly minimum of -12°C (11°F) to a maximum of 7°C (45°F), with an average of -1°C (31°F). This month also sees significant precipitation, totaling 79 mm (3.1 in) over 18 days, and high humidity levels at 85%. In contrast, December boasts milder temperatures, with a minimum of -2°C (28°F) and a maximum of 19°C (66°F), resulting in a more comfortable average of 8°C (46°F). Precipitation during December is slightly higher at 99 mm (3.9 in) over 23 days, accompanied by lower humidity at 82%. For more details on the December climate, visit Ushuaia weather in December.
August in Ushuaia marks a transitional phase in the weather, presenting colder temperatures that can feel quite biting, especially with the high humidity. As winter draws to a close, you can expect more frequent precipitation, with nearly half the month experiencing rain or snow. This contrasts sharply with the milder temperatures of spring and summer, making August a month for warm clothing and the enchanting beauty of a winter landscape. If you’re planning to explore this breathtaking region during this chilly month, understanding the nuances of Ushuaia's climate is essential. For more details, visit Ushuaia Climate.