Last updated: August 21, 2025
In El Chaltén, Argentina, July brings a chill with maximum temperatures rarely exceeding 7°C (45°F) and an average dipping down to a brisk -4°C (26°F). Visitors can expect frosty nights, with minimum temperatures reaching as low as -14°C (6°F). This month is notably wet, accumulating 248 mm (9.8 in) of precipitation over approximately 22 days, contributing to a high humidity level of 94%. These cool and damp conditions create a captivating atmosphere for adventurers and nature enthusiasts alike, offering a unique glimpse of Patagonia's stunning winter landscapes.
In July, temperatures in El Chaltén, Argentina continue to reflect the deep embrace of winter, with minimums reaching -14°C (6°F) and a chilly average of -4°C (26°F). The daytime highs, although slightly uplifting at 7°C (45°F), still remind visitors of the region's rugged beauty draped in snow. This trend of subzero temperatures underscores the coldest part of the year, following a gradual decline from the relatively milder conditions seen in January and February. As winter deepens, the allure of El Chaltén lies in its stunning landscapes, inviting adventurers to experience the breathtaking scenery framed by frosty peaks and pristine trails.
In July, El Chaltén experiences a notable precipitation amount of 248 mm (9.8 inches) spread over 22 days. This marks a slight decrease from the wetter months of April (313 mm) and May (266 mm), yet remains consistent with the overall trend seen in the early winter months, where precipitation averages around the same level. As winter transitions into spring, July serves as a pivotal month, often characterized by its overcast skies and frequent rainfall, much like its neighboring months June and August. Overall, July's rain patterns contribute to the lush landscapes that the region is renowned for, sustaining a vibrant ecosystem that enchants visitors year-round.
In July, El Chaltén, Argentina, experiences one of its highest humidity levels, reaching a notable 94%. This peak reflects a consistent upward trend beginning in the warmer months of early summer, where humidity starts at 88% in January and gradually climbs to 93% by June. The onset of winter in July brings the highest moisture content in the air, creating a distinctly muggy atmosphere that continues into August. While the humidity slightly recedes to 93% thereafter, this peak in July marks a significant moment in the climate cycle, providing a rich backdrop for the breathtaking landscapes that define this region. With such persistent high humidity throughout winter, visitors should anticipate the lushness that this climate nurtures, further enhancing the natural beauty of El Chaltén.
In El Chaltén, Argentina, the UV Index in July remains low at 2, similar to June, with a burn time of 45 minutes. This represents a notable shift from the height of summer, where indices peak at 16 in January and 17 in November, indicating extreme exposure levels. As winter takes hold, UV exposure diminishes, allowing for safer outdoor activities without the immediate urgency to reapply sunscreen. However, as the seasons transition, residents and visitors should still be mindful of their skin protection, especially as the UV Index begins to rise again in August to a moderate level of 4. To stay informed about UV levels throughout the year, check out the full details at El Chalten UV Index.
UV Risk Categories
In El Chaltén, Argentina, the month of July sees a significant dip in sunshine, matching June with just 92 hours of sunlight. This stark decrease follows the vibrant summer months of January and February, which bask in a generous 168 and 209 hours of sun, respectively. As winter tightens its grip, the daylight hours dwindle, leading to the region's coldest and darkest period. However, the gradual increase in sunlight begins in August, hinting at the approaching warmth and longer days of spring, reminding visitors of the area's ever-changing beauty. While July may be overshadowed by the brighter months, it also offers a unique charm, perfect for those seeking a serene escape amidst breathtaking winter landscapes.
In El Chaltén, Argentina, the likelihood of sunny weather in July tends to be at its lowest for the year, with only a 12% chance of clear skies. This month stands out in stark contrast to the brighter summer months like February, where sunny days peak at 36%. Following a trend, as winter settles in, the prospects for sunshine diminish significantly through the colder months, reaching a low in July before seeing a gradual increase again in late winter and spring. As travelers plan their adventures, it's wise to keep this limited sunshine in mind, as July's weather is often characterized by a darker, cloudier ambiance typical of the Argentine winter months.
In El Chaltén, Argentina, July marks a pivotal moment in the year, as daylight remains at a modest 8 hours—consistent with the lengths seen in June. This duration signifies the depths of winter, where the vibrant landscapes are shrouded in a gentle twilight, inviting a unique atmosphere for exploration. As the year progresses, daylight gradually increases, with August ushering in 10 hours, hinting at the first whispers of spring. The pattern reveals a compelling rhythm: daylight stretches from a brief 8 hours in winter to a generous 16 hours by December, offering longer days as the seasons shift. Thus, July stands as a tranquil midpoint, where nature's quiet beauty captures the heart of all who journey through El Chaltén.
In July, El Chaltén experiences a refreshing average wind speed of 2.3 m/s (5 mph), consistent with the trends observed in the surrounding winter months. Following a slight dip to 2.0 m/s (4 mph) in April and May, the wind picks up again, showcasing a gentle yet invigorating breeze that enhances the area's breathtaking landscapes. The wind in July notably maintains a steady rhythm, akin to the patterns of January and March, fostering an invigorating atmosphere for adventurers and nature lovers alike. As the region transitions toward spring, a gradual increase in wind speed to 2.5 m/s (6 mph) is anticipated in October, promising a dynamic change in the air as the outdoor exploration season intensifies.
Weather in El Chalten varies notably across the year, with each month offering distinct climate conditions. This page compares July’s weather to other months in El Chalten, focusing on differences in temperature, rainfall, humidity, and UV levels.
July and January in El Chaltén exhibit notable differences in their weather patterns. In July, temperatures are colder, ranging from a minimum of -14°C (6°F) to a maximum of 7°C (45°F), with a chilly average of -4°C (26°F). The precipitation is abundant, with 248 mm (9.8 in) falling over 22 days, contributing to a high humidity level of 94%. Conversely, January is milder, featuring temperatures from a minimum of -10°C (13°F) to a maximum of 16°C (61°F) and an average of 4°C (40°F). The precipitation remains similar at 249 mm (9.8 in) over 21 days, but humidity is slightly lower at 88%. For more detailed information, you can check El Chalten weather in January.
When comparing the weather in July and February, several notable differences emerge. July experiences much colder temperatures with a minimum of -14°C (6°F) and an average of -4°C (26°F), while February sees a milder minimum of -7°C (20°F) and an average of 6°C (42°F). Despite July's chill, it has higher total precipitation at 248 mm (9.8 in) over 22 days, compared to February's 192 mm (7.6 in) across 19 days. Humidity levels are relatively high in both months but slightly lower in February at 90% versus July’s 94%. For more details on February's weather, visit El Chalten weather in February.
In comparing the weather of July and March, we see notable contrasts. July experiences colder temperatures, with a minimum of -14°C (6°F) and an average of -4°C (26°F), while March brings milder conditions with temperatures ranging from a minimum of -10°C (15°F) to an average of 4°C (39°F). Precipitation levels are similar, with July receiving 248 mm (9.8 in) across 22 days and March slightly higher at 261 mm (10.3 in) but over just 20 days. Humidity is also higher in July at 94%, compared to March's 89%. For more detailed insights, check out El Chalten weather in March.
When comparing the weather between July and April, we see notable differences. In July, temperatures remain consistently lower, with a minimum of -14°C (6°F) and an average of -4°C (26°F), while April experiences milder conditions, with an average temperature of 1°C (34°F) and a maximum of 12°C (54°F). Despite both months having precipitation on 22 days, April tends to be wetter overall, receiving 313 mm (12.3 in) compared to July's 248 mm (9.8 in). Additionally, humidity levels are slightly higher in July at 94%, compared to 91% in April. For more detailed information about the weather in April, visit El Chalten weather in April.
In comparing the weather of July and May, both months exhibit remarkably cold temperatures, with July having a slightly lower average of -4°C compared to May's -1°C. July also records a maximum temperature of 7°C, just shy of May's peak at 8°C. Precipitation levels are close, with July receiving 248 mm over 22 days, while May sees 266 mm over 21 days. Humidity remains high in both months, with July at 94% and May at 92%. For more details, you can check out El Chalten weather in May.
In comparing the weather of July and June, both months exhibit similar temperature ranges, with July experiencing slightly milder conditions, with a maximum of 7°C (45°F) compared to June's 4°C (40°F). However, June has a marginally lower minimum temperature of -16°C (4°F) versus July's -14°C (6°F). Precipitation levels are quite comparable, with July recording 248 mm (9.8 in) and June at 241 mm (9.5 in), both spread over 22 days, leading to a similarly high humidity level of 94% in July and 93% in June. For a detailed overview of June's weather, you can refer to the following link: El Chalten weather in June.
In comparing the weather of July and August, we can see that both months present similarly cold conditions, with average temperatures slightly improving in August from -4°C (26°F) in July to -3°C (28°F). However, July experienced a maximum temperature of 7°C (45°F), while August had a marginally lower high of 6°C (43°F). Precipitation levels were also notable, with July recording 248 mm (9.8 in) over 22 days and August seeing an increase to 270 mm (10.6 in) across 24 days, indicating a trend of slightly wetter conditions. Humidity remains comparable, with July at 94% and August slightly lower at 93%. For more detailed insights, you can explore El Chalten weather in August.
In comparing the weather of July and September, we can observe some notable differences and similarities. July experiences slightly colder temperatures, with a minimum of -14°C (6°F) and an average of -4°C (26°F), while September shows a milder minimum of -12°C (10°F) and an average of -1°C (30°F). Both months see comparable maximum temperatures, with July reaching 7°C (45°F) and September peaking at 8°C (47°F). Precipitation levels are also quite similar, with July recording 248 mm (9.8 in) and September slightly lower at 235 mm (9.2 in), both spread over about 22 rainy days. Interestingly, humidity remains high in both months, though it decreases slightly from 94% in July to 90% in September. For more details on September weather specifically, you can check out El Chalten weather in September.
In July, the weather is characterized by a chilling average temperature of -4°C (26°F) and a maximum of 7°C (45°F), alongside significant precipitation of 248 mm (9.8 in) over 22 days, contributing to a high humidity of 94%. By contrast, October sees an even colder atmosphere with an average temperature of 0°C (32°F), a minimum of -16°C (4°F), and a maximum reaching 8°C (47°F). Precipitation remains slightly lower at 243 mm (9.6 in) across 23 days, while humidity drops to 90%. For those planning a visit during this colder period, more details on October conditions can be found here: El Chalten weather in October.
In comparing the weather of July and November, July is notably colder, with average temperatures hovering around -4°C (26°F) and a minimum of -14°C (6°F). This month also experiences high precipitation, with 248 mm (9.8 in) spread over 22 days, along with very high humidity at 94%. In contrast, November features milder temperatures with an average of 2°C (35°F) and a maximum of 11°C (51°F), along with slightly less precipitation at 235 mm (9.2 in) over 21 days and lower humidity at 89%. Overall, while both months are characterized by significant precipitation, November offers a more temperate climate. For more details, you can check El Chalten weather in November.
In July, the weather is characterized by colder temperatures, with a minimum of -14°C (6°F), an average of -4°C (26°F), and a maximum reaching just 7°C (45°F). The month experiences significant precipitation of 248 mm (9.8 in) over 22 days, coupled with high humidity at 94%. In contrast, December offers milder conditions, where temperatures range from a minimum of -7°C (20°F) to an average of 4°C (39°F) and can peak at 16°C (62°F). Although December has a slightly higher precipitation of 259 mm (10.2 in) over the same number of days, the humidity levels are lower at 88%. For more details on December weather, visit El Chalten weather in December.
In July, El Chaltén transforms into a winter wonderland, characterized by its chilly temperatures and high humidity levels, making it a standout contrast to the milder months. With the mercury often dipping below freezing, visitors can expect a brisk, invigorating atmosphere that's perfect for winter sports, even as the region experiences a significant amount of precipitation. This month typically sees rain and snow intermingling, contributing to the enchanting landscapes that surround the town. While many may shy away from the cold, those brave enough to explore in July will find a captivating beauty that showcases a different side of El Chaltén's charm. For a deeper dive into the region’s weather patterns, check out El Chalten Climate.