Last updated: August 21, 2025
March in El Chaltén, Argentina, presents a dynamic climate characterized by moderate temperatures and significant rainfall. With maximums reaching 14°C (57°F) and dipping to a chilly minimum of -10°C (15°F), the average temperature hovers around a brisk 4°C (39°F). This month experiences ample precipitation, totaling 261 mm (10.3 in) over approximately 20 days, fostering an atmosphere of high humidity at 89%. Whether you're trekking through breathtaking landscapes or admiring the dramatic scenery, prepare for a variety of weather conditions that highlight the region’s natural beauty.
March in El Chaltén, Argentina marks a transition into the cooler months, offering a unique blend of late summer and early autumn temperatures. With minimums dropping to -10°C (15°F) and an average hovering around 4°C (39°F), this month signals the onset of cooler conditions. While highs peak at a mild 14°C (57°F), outdoor enthusiasts can still enjoy the breathtaking landscapes without the heat of peak summer. This period captures a sweet spot where warm days gradually give way to brisk evenings, making it an ideal time for hikers and nature lovers to explore the stunning Patagonian scenery before winter sets in.
March brings a notable increase in precipitation to El Chaltén, Argentina, with an average of 261 mm (10.3 in), making it the wettest month so far in the year. Spanning across 20 rainy days, this uptick sets the stage for a vibrant transition into autumn. While January and February saw relatively high rainfall at 249 mm (9.8 in) and 192 mm (7.6 in) respectively, March’s precipitation marks a distinct shift, indicating a trend towards heavier rains leading into April, which records 313 mm (12.3 in). The steady frequency of rain through these late summer months emphasizes the region's dynamic weather patterns, which continue to play a crucial role in nurturing the stunning landscapes of Patagonia.
In March, El Chaltén experiences a moderate humidity level of 89%, providing a refreshing yet slightly damp atmosphere as summer begins to transition into autumn. This marks a slight decrease from February's peak at 90%, illustrating a gradual shift towards higher levels of humidity in the coming months, which reach 91% in April. Overall, March serves as a bridge, embodying the rich moisture that characterizes this stunning region while hinting at the approaching wetter season, where humidity steadily climbs through the following months. As travelers explore the breathtaking landscapes, the comfortable humidity levels contribute to the lush vegetation and vibrant scenery iconic to this area.
In March, El Chaltén experiences a very high UV Index of 10, indicating that sun exposure can lead to skin damage in as little as 15 minutes. This month's UV levels mark a decline from the extreme conditions of January and February, where the UV Index soared to 16 and 13, respectively, both classified as extreme with a burn time of just 10 minutes. As spring approaches, UV levels begin to moderate, but caution is still essential when enjoying the outdoors. For those exploring this stunning region, awareness of the UV Index remains crucial—protect your skin and keep an eye on the forecast. To learn more about current UV conditions, visit El Chalten UV Index.
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As March unfolds in El Chaltén, Argentina, residents and visitors alike are treated to a delightful blend of sunshine, with an impressive 186 hours of sunlight illuminating the breathtaking landscapes. This month enjoys a slight dip from the summer peak of February, which boasts the most sun at 209 hours, yet it remains significantly sunnier than the upcoming months of April and May, which see a sharp decline to 139 and 102 hours respectively. The trend highlights March as a sweet transition, where the vibrant energy of summer lingers just a little longer, beckoning hikers and adventurers to bask in the natural beauty of Patagonia before the cooler months take hold. Embrace the warmth and revel in the extended daylight of March, making it an ideal time to explore the stunning vistas that El Chaltén offers.
In El Chaltén, Argentina, March presents a moderate chance of sunny weather, with 26% likelihood of clear skies. This marks a slight decrease from the sunniest month of February, which enjoys a 36% chance. As summer transitions into autumn, the chances of sunny weather dip markedly in the subsequent months, plummeting to 15% by April. Notably, the sunlight opportunity in March is significantly more favorable compared to the winter months, like July, where it drops to just 12%. Overall, though March can offer glimpses of sunshine, it prepares visitors for the gradual shift towards cooler and cloudier days ahead.
In March, El Chaltén, Argentina experiences a swift transition into autumn, with daylight duration decreasing to an average of 12 hours. This marks a noticeable shift from the longer days of summer, where January basked in 15 hours of sunlight. As the season progresses, daylight continues to dwindle, reaching a mere 10 hours by April. Interestingly, the pattern of decreasing daylight extends into the winter months, bottoming out at 8 hours in both June and July. However, as spring approaches, the trend reverses, with daylight hours gradually increasing through August and September, before climbing back to a refreshing 15 hours in November. This cyclical rhythm not only shapes the natural beauty of El Chaltén but also influences outdoor activities and adventures in this stunning region.
As March sweeps into El Chaltén, Argentina, the winds bring a gentle yet invigorating breeze, with an average speed of 2.3 m/s (5 mph). This month represents a slight dip from February's calm, but it remains consistent with the previous month, indicating a stable transition into the autumn season. Wind speeds hold steady, reflecting the region's characteristic climate, where breezes slowly fluctuate as summer wanes. The winds typically pick up again in October, hinting at a seasonal cycle that keeps adventurers on their toes. Overall, March's winds are a refreshing reminder of the vibrant Patagonian landscape, lending an exhilarating touch to outdoor exploration.
Weather in El Chalten varies notably across the year, with each month offering distinct climate conditions. This page compares March’s weather to other months in El Chalten, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of March and January, both months experience similar cool temperatures, with January showcasing a slightly higher maximum of 16°C (61°F) compared to March's max of 14°C (57°F). The average temperatures remain close, with January averaging 4°C (40°F) and March at 4°C (39°F). Precipitation is somewhat higher in March, totaling 261 mm (10.3 in) over 20 days, while January has 249 mm (9.8 in) spread across 21 days, leading to slightly higher humidity levels in March at 89% versus January's 88%. For a detailed look at January conditions, you can visit El Chalten weather in January.
March experiences a broader temperature range compared to February, with minimums dipping to -10°C (15°F) and maximums reaching 14°C (57°F). In contrast, February maintains a milder feel with minimums at -7°C (20°F) and maximums soaring up to 20°C (69°F). Precipitation is notably higher in March, totaling 261 mm (10.3 in) over 20 days, while February sees 192 mm (7.6 in) across 19 days. Both months have high humidity levels, though March's humidity slightly decreases to 89% from February’s 90%. For more detailed insights, check out El Chalten weather in February.
March and April present a notable transition in weather patterns. In March, the average temperature hovers around 4°C (39°F), with nighttime lows dipping to -10°C (15°F) and daytime highs reaching 14°C (57°F). The month sees significant precipitation, totaling 261 mm (10.3 in) over 20 days, coupled with a humidity level of 89%. In contrast, April tends to be slightly cooler, with an average temperature of 1°C (34°F), a minimum of -14°C (8°F), and a maximum of 12°C (54°F). Precipitation increases to 313 mm (12.3 in) across 22 days, and humidity rises marginally to 91%. For more detailed insights into April’s weather in El Chaltén, you can explore El Chalten weather in April.
In comparing the weather of March and May, we see that both months have similar overall precipitation, with March receiving 261 mm and May slightly higher at 266 mm. Interestingly, while March features a milder average temperature of 4°C (39°F), May is considerably colder with an average temperature of -1°C (30°F). Additionally, the minimum temperatures in May drop even lower to -14°C (7°F), compared to March’s low of -10°C (15°F). Both months experience high humidity levels, with March at 89% and May just a bit higher at 92%. For specific details about the weather in May, you can visit El Chalten weather in May.
When comparing the weather in March and June, we observe a noticeable shift in temperatures and conditions. March typically enjoys milder temperatures, with lows around -10°C (15°F) and average highs reaching 14°C (57°F), while June presents a chillier picture, with minimum temperatures dropping to -16°C (4°F) and an average high of just 4°C (40°F). Precipitation levels are somewhat similar, with March receiving 261 mm (10.3 in) over 20 days compared to June's 241 mm (9.5 in) across 22 days, indicating slightly wetter conditions in June despite the cooler weather. Humidity also rises from 89% in March to 93% in June, contributing to a damp atmospherics. For more details about June weather, you can visit El Chalten weather in June.
In comparing the weather of March and July, one can see notable differences in both temperature and precipitation. March experiences a milder average temperature of 4°C (39°F), with a maximum of 14°C (57°F) and a minimum of -10°C (15°F), while July is distinctly colder, with an average of -4°C (26°F) and a maximum of 7°C (45°F). Precipitation levels are relatively similar, with March receiving 261 mm (10.3 in) over 20 days and July seeing slightly less at 248 mm (9.8 in) across 22 days, although July has a higher humidity of 94% compared to March's 89%. For more specific details on July weather, check out El Chalten weather in July.
When comparing March and August weather, March typically features milder temperatures, with a minimum of -10°C (15°F), an average of 4°C (39°F), and a maximum of 14°C (57°F). In contrast, August temperatures are noticeably lower, with a minimum of -15°C (6°F), an average of -3°C (28°F), and a maximum of 6°C (43°F). Precipitation levels are relatively similar, with March receiving 261 mm (10.3 in) over 20 days, while August experiences slightly more, at 270 mm (10.6 in) across 24 days. Humidity levels are also higher in August, reaching 93% compared to March's 89%. For more details on August conditions, you can check El Chalten weather in August.
In comparing the weather of March and September, we see notable differences. March generally presents a milder climate with average temperatures reaching 4°C (39°F), peaking at 14°C (57°F), while September experiences cooler conditions, with average temperatures around -1°C (30°F) and a maximum of only 8°C (47°F). Precipitation levels are somewhat similar, with March receiving 261 mm (10.3 in) over approximately 20 days and September slightly less at 235 mm (9.2 in) across 22 days. Humidity remains high in both months, with March at 89% and September slightly higher at 90%. For a detailed look at what to expect during September, you can visit El Chalten weather in September.
March and October present notable differences in weather patterns. In March, temperatures range from a chilly -10°C (15°F) at night to a more pleasant 14°C (57°F) during the day, with an average of 4°C (39°F). The month sees considerable precipitation, totaling 261 mm (10.3 in) over approximately 20 days, accompanied by a high humidity level of 89%. In contrast, October experiences even colder temperatures, with a minimum of -16°C (4°F) and a maximum of only 8°C (47°F), resulting in an average of 0°C (32°F). Precipitation is slightly less, at 243 mm (9.6 in), but spread over 23 days, and the humidity is marginally higher at 90%. For more insights on October weather, you can visit El Chalten weather in October.
March and November present similar climates, with both months exhibiting high humidity levels around 89%. March tends to be slightly warmer, with average temperatures ranging from -10°C (15°F) to a maximum of 14°C (57°F), while November sees temperatures from -8°C (18°F) to a maximum of 11°C (51°F). Precipitation is nearly comparable, with March receiving 261 mm (10.3 in) over approximately 20 days, whereas November has 235 mm (9.2 in) spread over 21 days. For more detailed insights, check out El Chalten weather in November.
In March, temperatures range from a minimum of -10°C (15°F) to a maximum of 14°C (57°F), with an average temperature of 4°C (39°F). The month experiences significant precipitation, with 261 mm (10.3 in) spread over 20 days and a high humidity of 89%. In contrast, December sees slightly warmer temperatures, with a minimum of -7°C (20°F) and a maximum of 16°C (62°F), while still maintaining the same average of 4°C (39°F). Precipitation in December is similar at 259 mm (10.2 in) but occurs over 22 days, accompanied by a humidity level of 88%. For more details about weather in December, you can check El Chalten weather in December.
As March unfolds in El Chaltén, it marks a transition from the warmer summer months to the cooler embrace of autumn. Visitors can expect a range of temperatures, with the days becoming notably chillier and the nights descending into true cold, showcasing the striking contrast of this breathtaking region. Precipitation increases, with rain falling on nearly two-thirds of the month, making the air feel particularly humid—just a subtle reminder of nature's dynamic patterns. This shift not only enriches the landscape with vibrant fall colors but also offers a unique experience for those ready to explore. For more insights into weather patterns throughout the year, visit El Chalten Climate.