Last updated: August 21, 2025
April in El Chaltén, Argentina presents a striking transition into autumn, with temperatures ranging from a maximum of 12°C (54°F) to a chilly minimum of -14°C (8°F). The average temperature hovers around 1°C (34°F), making it essential for visitors to dress warmly. This month also sees substantial precipitation, totaling 313 mm (12.3 in) over approximately 22 days, resulting in a high humidity level of 91%. As the landscape shifts, adventurers can expect both breathtaking vistas and the invigorating crispness of the season.
April in El Chaltén, Argentina, marks the transition into cooler weather as winter approaches. The temperatures take a noticeable dip, with average highs settling around 12°C (54°F), while nights can plunge to a brisk -14°C (8°F). This month typically showcases a stark shift from the milder days of summer, with temperatures reflecting a similar trend to those recorded in March, but with a distinct chill in the air. As the landscape begins to shift towards its winter attire, visitors can expect crisp, refreshing days perfect for outdoor activities, albeit with the need for warmer layers as the sun sets earlier and the cold intensifies. The overall average temperature for April hovers around 1°C (34°F), underscoring the onset of the colder months ahead.
April in El Chaltén, Argentina, marks a peak in precipitation, with 313 mm (12.3 in) of rain falling over 22 days. This significant increase compared to the preceding months, particularly March's 261 mm (10.3 in), highlights April as one of the wettest months of the year. The trend illustrates a seasonal shift, as the region experiences a surge in moisture and cloud cover, setting the stage for the lush landscapes that characterize the Patagonian spring. Notably, as the year progresses, precipitation tends to remain relatively high, fluctuating around 240-270 mm in the following months, suggesting a consistent demand for rainfall that supports the region's vibrant ecosystem.
In April, El Chaltén experiences a notable rise in humidity, reaching 91%, making it one of the wettest months of the year. This aligns with the general trend of increasing moisture levels as the seasons progress, as humidity begins at a comfortable 88% in January and gradually climbs to a peak of 94% in July. The steady increase from March's 89% to April's 91% reflects the region's shift towards the cooler winter months, where a consistent pattern of high humidity prevails. This trend suggests that visitors can expect a lush, verdant landscape, especially in early spring, but they should be prepared for the damp, crisp air that April brings.
In April, El Chaltén experiences a noticeable shift in the UV Index, dropping to 6 with a high exposure category, allowing for a more leisurely outdoor experience compared to the extremes of the summer months. The burn time extends to 25 minutes, giving visitors the opportunity to explore the stunning landscapes without the immediate risk of sunburn. This reduction in UV intensity signals a gradual transition from the peak levels seen in the early months of the year, where indices soared to 16 in January and February. As the seasons change, the UV Index remains a crucial factor to consider for those seeking adventure in this picturesque region—whether it’s hiking to breathtaking vistas or simply enjoying the fresh mountain air. For more detailed information about UV levels throughout the year, check out El Chalten UV Index.
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As the vibrant summer days of El Chaltén draw to a close, April offers a transition into the cooler months, marked by a noticeable decrease in sunshine hours to 139. This shift is a precursor to the deeper chill of May, where the sun limits its appearances even further to only 102 hours. Interestingly, March hovers closely with 186 hours, showcasing a strong finish to summer before the daylight dwindles. The trend reflects the region's distinct seasonal changes, where the summer sun profoundly contrasts with the crisp autumn days that follow, creating a dynamic backdrop for adventurers and nature lovers alike. As the month of April unfolds, it's a reminder that while the sunshine may lessen, the breathtaking beauty of the surrounding peaks remains ever illuminating.
April in El Chaltén, Argentina, marks a notable decline in sunny weather, with a modest 15% chance of sunshine. This figure represents the end of a gradual downward trend following the peak sunny days of February, which boasts a striking 36% likelihood. As summer fades, the chances of clear skies drop significantly, reaching the yearly low in April before a slight rebound in the following months. With the arrival of fall, visitors can expect more variable weather, making it essential to pack accordingly for the unique beauty of El Chaltén's landscapes, even under overcast skies.
As the vibrant April days unfold in El Chaltén, Argentina, daylight begins to wane, offering around 10 hours of sunlight— a noticeable shift from the abundant 15 hours in January. This gradual decline is a hallmark of the transition from summer to early autumn. February still boasts a generous 14 hours, while March sees daylight drop to 12 hours, hinting at the approaching winter months. As the year progresses, daylight continues to dwindle, reaching its annual low of 8 hours in June and July before a gradual recovery begins. Interestingly, August brings back 10 hours of daylight, signaling a gentle return to longer days as the seasons change. This rhythmic pattern of daylight not only accentuates the beauty of the ever-changing landscape but also invites adventurers to experience the breathtaking vistas of El Chaltén during this unique time of year.
As April settles in El Chaltén, Argentina, the average wind speed gently eases to 2.0 m/s (4 mph), marking a subtle decline from the breezy conditions of previous months. This reduction in wind aligns with the gradual transition into the cooler months, as both May's 1.8 m/s and June's 2.0 m/s reflect a continuing trend of calmer winds. The seasonal shift showcases a softening of the once brisk gusts that characterize the region, often peaking in the spring and early summer. Interestingly, the wind patterns return to a more playful rhythm in the following months, with a slight resurgence in October at 2.5 m/s (6 mph), hinting at the dynamic atmospheric changes that keep this stunning locale ever so captivating.
Weather in El Chalten varies notably across the year, with each month offering distinct climate conditions. This page compares April’s weather to other months in El Chalten, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in April and January, April typically experiences a wider range of temperatures, with minimums plunging to -14°C (8°F) and average temperatures around 1°C (34°F). In contrast, January remains milder with minimums of -10°C (13°F) and average temperatures reaching 4°C (40°F). Both months see significant rainfall, but April averages 313 mm (12.3 in) of precipitation over 22 days, making it the wetter month compared to January's 249 mm (9.8 in) over 21 days. Humidity is also slightly higher in April at 91%, compared to January's 88%. For more details on January weather, you can visit El Chalten weather in January.
When comparing the weather between April and February, notable differences emerge in both temperature and precipitation levels. February experiences milder temperatures overall, with a minimum of -7°C (20°F), an average of 6°C (42°F), and a maximum reaching up to 20°C (69°F). In contrast, April tends to be colder, with temperatures dropping to a minimum of -14°C (8°F) and only reaching an average of 1°C (34°F) and a maximum of 12°C (54°F). Furthermore, April sees significantly higher precipitation at 313 mm (12.3 in) over 22 days, compared to February's 192 mm (7.6 in) across 19 days. Both months maintain high humidity levels, with April at 91% and February slightly lower at 90%. For more detailed insights on February weather, check out El Chalten weather in February.
April weather exhibits cooler temperatures compared to March, with average highs reaching only 12°C (54°F) compared to March's maximum of 14°C (57°F). The minimum temperatures in April drop to -14°C (8°F), making it notably chillier than March's lows of -10°C (15°F). Additionally, April experiences more precipitation, totaling 313 mm (12.3 in) over 22 days, compared to March's 261 mm (10.3 in) over 20 days, alongside slightly higher humidity levels of 91% versus March's 89%. For a more detailed insight into March's weather, you can visit El Chalten weather in March.
April and May present contrasting weather patterns, though both months share some similarities. In April, temperatures range from a chilly minimum of -14°C (8°F) to an average of 1°C (34°F), peaking at 12°C (54°F). This month experiences significant precipitation, with 313 mm (12.3 in) over 22 days, contributing to a high humidity level of 91%.
In contrast, May sees a slight dip in temperatures, with a minimum still at -14°C (7°F), an average of -1°C (30°F), and a maximum of 8°C (46°F). While the precipitation decreases to 266 mm (10.5 in) over 21 days, humidity remains similar at 92%. For those interested in a detailed overview of the conditions, you can visit El Chalten weather in May.
In April, the weather is characterized by a milder temperature range, with an average of 1°C (34°F) and maximums reaching 12°C (54°F), while precipitation is quite high at 313 mm (12.3 in) over 22 days and humidity sits at 91%. In contrast, June presents more severe conditions, marked by lower temperatures, where the average drops to -4°C (25°F) and maximums only reach 4°C (40°F). Although June experiences less precipitation at 241 mm (9.5 in) over the same number of days, it has a slightly higher humidity level at 93%. For more detailed information, you can visit El Chalten weather in June.
April and July in El Chaltén present a stark contrast in weather patterns. April sees a slight increase in average temperatures, ranging from a minimum of -14°C (8°F) to a maximum of 12°C (54°F), while July experiences lower average temperatures with a range of -14°C (6°F) to a maximum of only 7°C (45°F). Precipitation is more significant in April, totaling 313 mm (12.3 in) over 22 days, compared to July's 248 mm (9.8 in), also over 22 days. Humidity levels are slightly higher in July at 94%, compared to April's 91%, contributing to a generally cooler and wetter feeling in the midst of winter. For more details on the weather conditions in July, you can explore El Chalten weather in July.
April and August present notably chilly weather patterns, though both months share a similar dampness. In April, temperatures range from a minimum of -14°C (8°F) to a maximum of 12°C (54°F), with an average of 1°C (34°F). This month sees significant precipitation at 313 mm (12.3 in) over 22 days, accompanied by high humidity at 91%. In contrast, August is slightly cooler, with temperatures dipping from a minimum of -15°C (6°F) to a maximum of 6°C (43°F), and an average of -3°C (28°F). Although it experiences less precipitation at 270 mm (10.6 in) over 24 days, humidity remains high at 93%. For those seeking more detailed insights, check out El Chalten weather in August.
April and September both experience chilly temperatures, but April tends to be slightly milder overall. In April, temperatures range from a minimum of -14°C (8°F) to a maximum of 12°C (54°F), with an average of 1°C (34°F). In contrast, September sees temperatures that are a bit lower, with a minimum of -12°C (10°F) and a maximum of 8°C (47°F), averaging around -1°C (30°F). While both months have a similar number of wet days—22 days—April receives more precipitation at 313 mm (12.3 in) compared to September's 235 mm (9.2 in). Humidity levels are quite comparable, standing at 91% for April and 90% for September. For more detailed insights on September weather, you can visit El Chalten weather in September.
April and October both present chilly conditions, but April tends to be slightly milder on average, with temperatures ranging from a minimum of -14°C (8°F) to a maximum of 12°C (54°F). In contrast, October experiences even lower temperatures, with averages hovering around 0°C (32°F) and a maximum of 8°C (47°F). Precipitation is more abundant in April, with 313 mm (12.3 in) falling over 22 days, compared to October’s 243 mm (9.6 in) spread over 23 days. Despite these differences, both months share high humidity, around 90-91%. For more detailed weather insights, check out El Chalten weather in October.
In April, temperatures tend to be slightly colder, with a minimum of -14°C (8°F) and an average of 1°C (34°F), compared to November’s milder minimum of -8°C (18°F) and an average of 2°C (35°F). While both months see considerable precipitation, April is notably wetter, accumulating 313 mm (12.3 in) over 22 days, whereas November experiences less rain, with 235 mm (9.2 in) over 21 days. Humidity levels are also similar, with April at 91% and November at 89%. For more detailed information on November weather, you can visit El Chalten weather in November.
In April, the weather is cooler, with temperatures ranging from a minimum of -14°C (8°F) to a maximum of 12°C (54°F), and an average temperature of around 1°C (34°F). This month experiences a significant amount of precipitation, totaling 313 mm (12.3 in) across 22 days, along with high humidity levels of 91%.
In contrast, December is relatively milder, with a temperature range from -7°C (20°F) to a maximum of 16°C (62°F) and an average of 4°C (39°F). Precipitation is lower at 259 mm (10.2 in), still spread over 22 days, but with slightly lower humidity at 88%. For more details on December weather, visit El Chalten weather in December.
As April settles in, El Chaltén experiences a notable shift in weather that sets it apart from the milder summer months. Temperatures drop, with chilly averages hovering around 1°C, while frigid nights can plunge to as low as -14°C. The season greets visitors with an increase in precipitation, often bringing rain and even the possibility of early snow, which can transform the landscape into a picturesque winter wonderland. Humidity also peaks, creating a crisp atmosphere that can be invigorating for adventurers. It's a time when the trails are less crowded, making it perfect for those seeking solitude amidst stunning natural beauty. For a deeper dive into what to expect throughout the year, check out the comprehensive El Chalten Climate guide.