Last updated: August 21, 2025
In January, El Chaltén experiences a unique blend of weather, making it a captivating destination. With maximum temperatures reaching 16°C (61°F) and average temperatures hovering around 4°C (40°F), adventurers can expect a mix of mild days and cool nights. However, the weather can be unpredictable, as January also sees an average minimum temperature of -10°C (13°F). This month is characterized by high humidity levels at 88% and considerable precipitation, with 249 mm (9.8 in) falling over 21 days. Visitors should prepare for a variety of conditions, ensuring an unforgettable outdoor experience amidst the stunning landscapes of Patagonia.
In El Chaltén, Argentina, January marks the height of summer, showcasing a delightful range of temperatures. With a minimum of -10°C (13°F) and a maximum reaching up to 16°C (61°F), the month offers an average temperature of 4°C (40°F), making it one of the more temperate times of the year. As the season progresses into February, the warmth slightly increases, peaking at 20°C (69°F), while maintaining a relatively mild average of 6°C (42°F). However, this warmth doesn't last long; by March, temperatures dip back to similar levels as January, with highs around 14°C (57°F). A notable trend emerges as the temperature steadily declines through the months that follow, particularly in April and May, where minima plunge to as low as -14°C (8°F). The transition into winter brings colder averages, with June through August continuing to chill, showcasing the stark beauty of El Chaltén surrounded by snow-capped peaks and frosty landscapes. Overall, January serves as a vibrant reminder of the fluctuating climate that beautifully characterizes this remarkable region.
In January, El Chaltén experiences significant rainfall, with an average precipitation of 249 mm (9.8 in) spread over approximately 21 days. This sets the stage for a wet summer, as the region sees consistently high levels of precipitation early in the year. February offers a slight reprieve with 192 mm (7.6 in) over 19 days, yet March rebounces with an increase to 261 mm (10.3 in) in 20 days. The trend continues with April peaking at 313 mm (12.3 in), showing that the wet season is far from over. Following this peak, the rainfall gradually wanes throughout the subsequent months, with May and June showcasing averages around 266 mm (10.5 in) and 241 mm (9.5 in)**, respectively. Interestingly, August recaptures the rainfall intensity with 270 mm (10.6 in), hinting at the cyclical nature of precipitation in this stunning region. Overall, the January precipitation sets a vibrant tone for the summer, while the varying patterns into the autumn months illustrate El Chaltén's dynamic climate.
In January, El Chaltén basks in a relatively high humidity of 88%, a precursor to the noticeable increase as summer unfolds. February sees a slight rise to 90%, followed by March at 89%, suggesting a consistent moisture level throughout the early months of the year. As the seasons shift into autumn, humidity continues its ascent, reaching a peak of 94% in July. This trend of increasing humidity persists through the colder months, with April at 91%, May at 92%, and June at 93%. Interestingly, humidity begins to taper off in the latter part of the year, dropping back to 88% by December. Overall, the data highlights a humid climate that is somewhat stable yet varies noticeably with the changing seasons, making El Chaltén a lush, vibrant destination year-round.
In January, El Chaltén experiences an exceptionally high UV Index of 16, categorizing exposure as extreme, with a burn time of just 10 minutes. This trend of intense UV radiation continues into February with an index of 13, maintaining the extreme exposure level. As summer wanes into March, the UV Index drops to 10, yet still falls under the very high category, allowing for a slightly longer burn time of 15 minutes. Moving into the autumn months, April sees a decrease to a UV Index of 6, marking a high exposure level and extending burn time to 25 minutes. Following this, May and June present a more moderate UV Index, with values of 3 and 2, respectively, offering relief with a burn time of 30 to 45 minutes. However, the UV Index rebounds in November and December, rising back to 17 and 16, both categorized as extreme, and reminding visitors to take precautions against the sun. For more detailed information on the UV Index throughout the year, check out El Chalten UV Index.
UV Risk Categories
January in El Chaltén, Argentina, brings an inviting 168 hours of sunshine, setting the stage for the vibrant summer months ahead. As the year progresses, visitors can expect even more sunlight, with February shining brighter with 209 hours. This trend continues into the spring, where March offers a comfortable 186 hours before daylight begins to wane in April, dropping to 139 hours. The sunshine retreats further in the cooler months of May through July, where it hovers around the 92 to 102-hour mark. However, as spring approaches, El Chaltén experiences a resurgence in sunshine, with October boasting a delightful 203 hours and November peaking at 217 hours. This annual rhythm highlights El Chaltén’s dynamic climate, making it a sun-soaked destination for outdoor adventurers.
In El Chaltén, Argentina, January brings a 23% chance of sunny weather, setting the stage for the summer season's vibrant exploration. While this likelihood is modest, it serves as a prelude to a particularly sunny February, where the chance of clear skies rises to 36%. As the year progresses into March, the sun remains a welcoming presence with a 26% chance, before giving way to the chill of autumn that sees a decline, with only 15% sunlight expected in April. Overall, January stands as a beacon of potential for outdoor activities, even amid the variability that characterizes the weather patterns throughout the year, highlighting the charm of planning adventures in tandem with nature's whims.
In El Chaltén, Argentina, January brings the year’s longest days, with a generous 15 hours of daylight that beckon outdoor adventurers to explore the stunning landscapes. As the summer months wane, February sees a slight decline to 14 hours, paving the way for a gradual transition into early autumn. By March, daylight further diminishes to 12 hours, hinting at the approaching cooler seasons. April and May witness this trend continue, with daylight tapering off to just 10 and 9 hours, respectively. June and July feature the shortest days, both at 8 hours, creating an atmosphere perfect for cozying up indoors or reveling in twilight hikes. As August rolls around, daylight begins its resurgence, climbing back to 10 hours, and by September, there's another uplift with 11 hours under the sun. October teases the arrival of longer days yet again, with 13 hours, while November and December shine brightly with 15 and 16 hours, respectively, as summer returns in full swing. This cycle of light not only shapes the activities and experiences in El Chaltén but also paints a vivid picture of nature's rhythm throughout the year.
In January, El Chaltén enjoys a brisk average wind speed of 2.4 m/s (5 mph), making it a refreshing time for outdoor enthusiasts. As the summer month progresses, the winds become slightly calmer in February at 2.2 m/s, before gradually picking up again in March to 2.3 m/s. This pattern of mild fluctuation continues into the autumn months, with winds decreasing to 2.0 m/s in April and May. The winter months see a slight uptick, with winds returning to 2.3 m/s in July, maintaining an overall steady range throughout the year. October stands out as the windiest month with an average of 2.5 m/s, highlighting a dynamic shift as the season transitions. Overall, the tranquil yet invigorating breezes characterize El Chaltén's January climate, creating the perfect backdrop for adventure and exploration.
Weather in El Chalten varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in El Chalten, focusing on differences in temperature, rainfall, humidity, and UV levels.
In January, temperatures in El Chaltén can drop to a minimum of -10°C (13°F), with an average of 4°C (40°F) and a maximum reaching 16°C (61°F). This month also sees considerable precipitation, totaling 249 mm (9.8 in) over 21 days, along with relatively high humidity at 88%. In contrast, February experiences slightly milder conditions with a minimum temperature of -7°C (20°F), an average of 6°C (42°F), and a maximum of 20°C (69°F). This month has less precipitation, totaling 192 mm (7.6 in) over 19 days, and a slightly higher humidity level of 90%. For more detailed information, check out El Chalten weather in February.
January and March both showcase chilly temperatures, with January having an average of 4°C (40°F) and March closely following at an average of 4°C (39°F). While highs in January can reach up to 16°C (61°F), March has a slightly lower maximum of 14°C (57°F). Precipitation levels are quite similar, with January receiving 249 mm (9.8 in) over 21 days and March seeing a slight increase to 261 mm (10.3 in) over 20 days. Humidity remains high in both months, hovering around 88% in January and 89% in March. For more specific weather insights, check out El Chalten weather in March.
In January, the weather is relatively milder with average temperatures ranging from a minimum of -10°C (13°F) to a maximum of 16°C (61°F), accompanied by significant precipitation of 249 mm (9.8 in) over approximately 21 days. The high humidity at 88% contributes to a damp atmosphere. In contrast, April sees slightly colder temperatures, with a minimum of -14°C (8°F) and a maximum of 12°C (54°F). Despite the cool conditions, April experiences an increase in precipitation to 313 mm (12.3 in) over 22 days, along with a slight rise in humidity to 91%. For more detailed information, you can check El Chalten weather in April.
When comparing the weather in January and May, we see some notable differences. January features a milder average temperature of 4°C (40°F), with highs reaching up to 16°C (61°F), while May's average drops to -1°C (30°F), with maximum temperatures capping at 8°C (46°F). Precipitation levels are fairly similar, with January receiving 249 mm (9.8 in) of rain and May slightly higher at 266 mm (10.5 in), both occurring over 21 days. Humidity is also higher in May at 92%, compared to January's 88%. For more detailed information, check out El Chalten weather in May.
In January, the weather in El Chaltén typically boasts a milder temperature range, with an average of 4°C (40°F) and maximums reaching 16°C (61°F). However, it also experiences significant precipitation, totaling 249 mm (9.8 in) over about 21 days, and maintains a high humidity level of 88%.
In contrast, June presents a much colder climate, with average temperatures dropping to -4°C (25°F) and maximums only reaching 4°C (40°F). This month sees slightly less precipitation at 241 mm (9.5 in), spread over 22 days, and a humidity level of 93%. For more detailed insights, you can check the El Chalten weather in June.
When comparing the weather in January and July, we see some notable contrasts. January experiences milder temperatures, with a minimum of -10°C (13°F) and an average of 4°C (40°F), peaking at a maximum of 16°C (61°F). In contrast, July is noticeably colder, featuring a lower minimum of -14°C (6°F) and an average of -4°C (26°F), with a maximum of only 7°C (45°F). Both months receive similar amounts of precipitation, around 249 mm (9.8 in), but July sees slightly more rainy days, with 22 compared to January's 21. Additionally, July has higher humidity at 94%, compared to January's 88%. For more detailed weather insights, you can check out El Chalten weather in July.
January and August present quite contrasting weather conditions. In January, temperatures range from a minimum of -10°C (13°F) to a maximum of 16°C (61°F), with an average of about 4°C (40°F). The month sees significant precipitation of 249 mm (9.8 in) over 21 days, along with a high humidity level of 88%. Conversely, August is notably colder, with temperatures dipping lower, featuring a minimum of -15°C (6°F) and a maximum of 6°C (43°F), resulting in an average temperature of -3°C (28°F). Precipitation also increases slightly to 270 mm (10.6 in) spread across 24 days, accompanied by even higher humidity at 93%. For a more detailed look at the weather in August, check out El Chalten weather in August.
In January, temperatures in the area range from a minimum of -10°C (13°F) to a pleasant maximum of 16°C (61°F), with an average of 4°C (40°F). The month experiences considerable precipitation, totaling 249 mm (9.8 in) across 21 days, and presents a high humidity level of 88%.
In contrast, September’s weather is notably cooler, with temperatures dipping further, exhibiting a minimum of -12°C (10°F) and a maximum of 8°C (47°F), and an average temperature of -1°C (30°F). Precipitation is slightly lower at 235 mm (9.2 in), occurring over 22 days, and humidity increases to 90%. For more detailed information on September weather, visit El Chalten weather in September.
In January, the weather tends to be milder, with average temperatures ranging from a minimum of -10°C (13°F) to a maximum of 16°C (61°F), accompanied by 249 mm (9.8 in) of precipitation over 21 days. The humidity level is relatively high at 88%. In contrast, October experiences cooler temperatures, averaging from a minimum of -16°C (4°F) to a maximum of 8°C (47°F), with slightly less precipitation at 243 mm (9.6 in) over 23 days, accompanied by a humidity level of 90%. For a detailed look at October weather, you can check El Chalten weather in October.
In January, temperatures in the region can range from a chilly -10°C (13°F) at their lowest to a more comfortable maximum of 16°C (61°F), with an average temperature of around 4°C (40°F). The weather is quite wet during this month, with 249 mm (9.8 in) of precipitation occurring over approximately 21 days, contributing to a high humidity level of 88%. In comparison, November experiences slightly milder temperatures, with a minimum of -8°C (18°F) and a maximum of 11°C (51°F), making the average temperature a bit lower at 2°C (35°F). Precipitation in November is also significant, totaling 235 mm (9.2 in) over the same number of rainy days, and humidity is similar at 89%. For more detailed insights on November weather, you can visit El Chalten weather in November.
In comparing January and December weather, both months exhibit similar average temperatures, hovering around 4°C (39°F), with maximums reaching up to 16°C (61°F) in January and 16°C (62°F) in December. However, January experiences slightly colder minimum temperatures, dipping to -10°C (13°F) compared to December's -7°C (20°F). Precipitation is also abundant in both months, with January recording 249 mm (9.8 in) over 21 days and December showing a slightly higher total of 259 mm (10.2 in) across 22 days. Humidity remains consistent at 88% for both months. For more detailed information, you can visit El Chalten weather in December.
In January, El Chaltén experiences notably warmer days compared to the chillier months surrounding it, with maximum temperatures reaching a comfortable 16°C (61°F). However, the average temperature remains cool, hovering around 4°C (40°F). Visitors should be prepared for a fair amount of precipitation, as January sees about 21 days of rain, contributing to a humidity level of 88% that keeps the air feeling fresh and crisp. This blend of warmth and moisture creates a unique climate, perfect for those looking to explore the stunning landscapes while enjoying relatively mild temperatures. For a deeper understanding of what to expect throughout the year, check out the detailed insights at El Chalten Climate.