Last updated: August 21, 2025
In August, El Chaltén, Argentina experiences a chilly climate characterized by maximum temperatures of 6°C (43°F) and an average of -3°C (28°F), plunging to a minimum of -15°C (6°F). Frequent precipitation contributes to a total of 270 mm (10.6 in) of rain over 24 days, creating a humid atmosphere with levels soaring to 93%. This weather sets the stage for dramatic landscapes and thrilling adventures, perfect for those brave enough to explore during the winter months. Whether you seek stunning vistas or the quiet beauty of the snowy wilderness, August in El Chaltén offers a unique experience for all who venture here.
In August, El Chaltén, Argentina, experiences some of the coldest temperatures of the year. With minimums dropping to -15°C (6°F) and averages lingering around -3°C (28°F), it's a time when the enchanting landscape is often cloaked in winter's embrace. While the maximum temperature reaches just 6°C (43°F), the chill in the air hints at the fleeting warmth of spring that will soon follow. This month stands in stark contrast to the balmy days of January and February, emphasizing the region's dramatic seasonal shifts. In August, visitors can expect crisp, invigorating air, perfect for adventuring amid the breathtaking natural beauty, albeit bundled up against the cold!
In August, El Chaltén experiences a notable increase in precipitation, receiving 270 mm (10.6 in) of rain over the month, with 24 days marked by wet weather. This uptick continues a trend seen throughout the winter months, following June and July, which also exhibit high precipitation levels of 241 mm and 248 mm, respectively. As the winter gives way to spring, rainfall remains consistent, suggesting a transition period where the landscape is nourished by regular showers. With August's frequent downpours, hikers and adventurers may want to prepare for potential wet-weather conditions, as the area's breathtaking beauty is often enveloped in mist and lush greenery at this time of year.
In El Chaltén, Argentina, August brings a notable humidity level of 93%, continuing the trend of elevated moisture that characterizes the region during the winter months. Following a peak of 94% in July, the slight decrease reflects a seasonal shift, yet the humidity remains significantly high compared to the earlier months of the year. As autumn approaches, the humidity begins a gradual decline, indicating a transition that will continue into spring. With averages consistently hovering in the low to mid-90s from May through August, visitors can expect a lush, vibrant landscape shaped by the persistent moisture in the air.
In August, El Chaltén experiences a moderate UV Index of 4, indicating a manageable sun exposure risk with a burn time of around 30 minutes. While UV levels are significantly lower than the peak intensity seen in the summer months of January and February, where UV indices soared to extreme levels of 16 and 13 respectively, August marks a transitional period as the season shifts towards spring. As the days gradually lengthen and temperatures rise, it’s crucial for outdoor enthusiasts to stay vigilant about sun safety. Following August, the UV Index is expected to increase again in September, rising to 7. Awareness of these trends is vital for planning outdoor activities effectively, so ensure to check the full details at El Chalten UV Index.
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In El Chaltén, Argentina, August brings a gentle resurgence of sunlight, with 111 hours illuminating the days, a slight uptick from the gloomy winter months. This marks a transition as the days grow longer, inching towards the warmer spring months that follow. Although August’s hours of sunshine are less than half of the peak seen in November, they hint at the promise of brighter days ahead. As the sun starts to reclaim its dominance in the sky, the stunning landscapes of El Chaltén prepare for an explosion of color, captivating visitors eager to experience the breathtaking beauty of the region. The gradual increase in daylight hours reminds us that nature's cycle is ever-present, setting the stage for the vibrant adventures awaiting in the months to come.
In El Chaltén, Argentina, the likelihood of sunny weather takes a noticeable dip in August, with only a 14% chance of clear skies. This puts it among the less sunny months of the year, following a particularly low period in July at 12%. Interestingly, as winter wanes and spring approaches, the chances of sunshine begin to improve, evidenced by a rise to 23% in both September and October. Overall, August is characterized by a lingering chill and frequent clouds, making it one of the region’s more overcast months. If you're hoping for sun-soaked days during this time, it may be wise to manage your expectations.
In El Chaltén, Argentina, the daylight duration experiences a distinct pattern throughout the year. After peaking at an impressive 16 hours in December, daylight begins a gradual descent, reaching 10 hours by August. This transitional month marks a shift from the long summer days of January and February, where daylight stretches to 15 and 14 hours, respectively. As fall approaches, daylight decreases steadily, but August's 10 hours still offers plenty of time for exploration and adventure. Following this, daylight soon begins to increase again, reaching 11 hours in September and building toward the longer days of spring and summer. The rhythm of daylight in El Chaltén not only epitomizes the changing seasons but also invites travelers to embrace the outdoor activities that this stunning landscape has to offer.
In August, El Chaltén experiences a gentle breeze with an average wind speed of 2.1 m/s (5 mph), continuing a pattern of moderate winds that has characterized the region throughout the year. This month showcases a slight dip from the peak summer months of January and February, which boast the highest speeds of 2.4 m/s and 2.2 m/s, respectively. As we transition towards the spring, average wind speeds tend to stabilize around 2.1 to 2.3 m/s, indicating a consistent climate that invites both adventure seekers and nature enthusiasts. While the winds may be less fierce than in the hotter months, they still carry the fresh, invigorating essence of Patagonia, making August a delightful time to explore El Chaltén's breathtaking landscapes.
Weather in El Chalten varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in El Chalten, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January exhibit distinct weather patterns that reflect the transition between seasons. In August, temperatures range from a chilly -15°C (6°F) at their lowest to a maximum of 6°C (43°F), with an average temperature of -3°C (28°F). This month experiences significant precipitation, with about 270 mm (10.6 in) over 24 days and high humidity at 93%. In contrast, January brings milder conditions with minimum temperatures of -10°C (13°F), average highs of 4°C (40°F), and peaks reaching up to 16°C (61°F). Precipitation in January is slightly lower, totaling 249 mm (9.8 in) across 21 days, with humidity at a more manageable 88%. For a more detailed look at January weather, visit El Chalten weather in January.
In comparing the weather between August and February, it’s evident that February tends to be milder overall. August experiences chillier temperatures with a minimum of -15°C (6°F) and an average of -3°C (28°F), while February’s temperatures range from a minimum of -7°C (20°F) to a maximum of 20°C (69°F), offering a more comfortable climate. Additionally, August sees more precipitation at 270 mm (10.6 in) across 24 days, compared to February's 192 mm (7.6 in) over 19 days. Despite slightly lower humidity in February at 90% versus August's 93%, both months showcase fairly high humidity levels. For more specifics on February weather, you can check out El Chalten weather in February.
When comparing the weather in August and March, we see significant differences in temperature and overall conditions. August experiences colder temperatures, with averages around -3°C (28°F) and a maximum of only 6°C (43°F), whereas March offers a milder climate with average temperatures of 4°C (39°F) and highs reaching up to 14°C (57°F). Precipitation levels are relatively similar, with August receiving 270 mm (10.6 in) over 24 days and March slightly less at 261 mm (10.3 in) over 20 days. Additionally, August has higher humidity at 93%, compared to March’s 89%. For more details on March weather in El Chaltén, you can visit El Chalten weather in March.
In August, the weather in El Chaltén features a minimum temperature of -15°C (6°F) and an average of -3°C (28°F), with a maximum temperature reaching 6°C (43°F). The month experiences significant precipitation, totaling 270 mm (10.6 in) over 24 days, accompanied by a high humidity level of 93%.
In contrast, April offers slightly milder temperatures, with a minimum of -14°C (8°F) and an average of 1°C (34°F), peaking at 12°C (54°F). Although April sees a greater total precipitation of 313 mm (12.3 in) over just 22 days, the humidity remains slightly lower at 91%. For further details about the weather in April, you can visit El Chalten weather in April.
In comparing the weather of August and May, both months exhibit frigid temperatures, with August experiencing slightly lower averages and extremes. August records temperatures ranging from a minimum of -15°C (6°F) to a maximum of 6°C (43°F), while May’s temperatures vary from -14°C (7°F) to 8°C (46°F). Precipitation levels are quite similar, with August receiving 270 mm (10.6 in) over 24 days and May seeing 266 mm (10.5 in) over 21 days, indicating a wet climate in both months. Humidity remains high in August at 93%, slightly more than May’s 92%. For more specific details on May weather, visit El Chalten weather in May.
When comparing the weather in August and June, both months exhibit similar low temperatures and high humidity levels. August experiences a minimum temperature of -15°C (6°F) and an average of -3°C (28°F), while June sees a slightly lower minimum of -16°C (4°F) and an average of -4°C (25°F). Notably, precipitation levels are high in both months, with August receiving 270 mm (10.6 in) over 24 days compared to June's 241 mm (9.5 in) over 22 days. The humidity remains consistent at 93% for both months, creating a characteristically damp environment. For more detailed insights into the climate, you can visit El Chalten weather in June.
In comparing the weather of August and July, August generally experiences slightly milder temperatures, with a minimum of -15°C (6°F), an average of -3°C (28°F), and a maximum of 6°C (43°F). In contrast, July has a minimum of -14°C (6°F), an average of -4°C (26°F), and a maximum of 7°C (45°F). Both months see significant precipitation, with August recording 270 mm (10.6 in) over 24 days, while July has 248 mm (9.8 in) across 22 days. Humidity levels are quite similar, with August at 93% and July slightly higher at 94%. For more detailed insights on July's weather, you can visit El Chalten weather in July.
In August, temperatures in the region typically range from a minimum of -15°C (6°F) to a maximum of 6°C (43°F), with an average of -3°C (28°F). This month also witnesses significant precipitation, totaling 270 mm (10.6 in) over 24 days, and humidity levels hover around a high 93%. In contrast, September brings slightly milder weather with a minimum of -12°C (10°F), an average temperature of -1°C (30°F), and a maximum of 8°C (47°F). The precipitation decreases to 235 mm (9.2 in), occurring on 22 days, with humidity dropping slightly to 90%. For a more detailed look at September’s climate, you can check out El Chalten weather in September.
In August, the weather in El Chaltén is characterized by colder temperatures, with a minimum of -15°C (6°F) and an average of -3°C (28°F), while maximums reach only 6°C (43°F). The month sees significant precipitation, totaling 270 mm (10.6 in) over 24 days, accompanied by high humidity levels at 93%. In contrast, October experiences slightly milder conditions with a minimum temperature of -16°C (4°F), an average of 0°C (32°F), and a maximum of 8°C (47°F). Although October has a lower total precipitation of 243 mm (9.6 in) spread across 23 days, the humidity remains high at 90%. For more detailed information, visit El Chalten weather in October.
In comparing the weather between August and November, we can observe some notable differences. August experiences colder temperatures, with a minimum of -15°C (6°F) and an average of -3°C (28°F), while November sees milder conditions with a minimum of -8°C (18°F) and an average of 2°C (35°F). Precipitation is slightly higher in August at 270 mm (10.6 in) over 24 days, compared to November's 235 mm (9.2 in) over 21 days. Humidity levels are also higher in August at 93%, although November remains relatively humid at 89%. For more detailed information, you can visit El Chalten weather in November.
August and December offer contrasting weather patterns. In August, temperatures can drop as low as -15°C (6°F), with an average of -3°C (28°F) and a maximum of 6°C (43°F). The month is characterized by significant precipitation, with 270 mm (10.6 in) spread over 24 days, contributing to a high humidity level of 93%.
In contrast, December experiences milder temperatures, with a minimum of -7°C (20°F), an average of 4°C (39°F), and a maximum of 16°C (62°F). Precipitation is slightly lower, at 259 mm (10.2 in), occurring over 22 days and accompanied by a comfortable humidity of 88%.
For a more detailed look at December weather, you can visit El Chalten weather in December.
In August, El Chaltén experiences a starkly contrasting climate compared to other months of the year. With temperatures hovering around a brisk average of -3°C, the chill sets in, making this one of the colder months. The region also sees significant precipitation—with nearly a full third of the month marked by wet days—resulting in a damp atmosphere complemented by high humidity levels of 93%. These weather conditions create a unique experience for adventurers and nature lovers alike, who need to prepare adequately for the elements. For more detailed insights into the weather patterns you can expect year-round, check out El Chalten Climate.