Last updated: August 21, 2025
May in El Chaltén, Argentina brings a cool and wet transition into winter, with maximum temperatures peaking at around 8°C (46°F). The average temperature hovers near -1°C (30°F), while nights can dip to a chilly minimum of -14°C (7°F). This month witnesses considerable precipitation, totaling 266 mm (10.5 in) over 21 days, making it one of the wetter times of the year. Humidity is high, averaging 92%, contributing to the region's lush, green landscapes—ideal for adventurers seeking to explore the stunning natural beauty, even in damp conditions.
In May, El Chaltén experiences a noticeable drop in temperatures as winter approaches, with minimums dipping to -14°C (7°F) and an average temperature of -1°C (30°F). This stark shift contrasts sharply with the milder conditions of earlier months like January and February, where maximums reached up to 20°C (69°F). As the month progresses, the maximum temperature hovers around 8°C (46°F), signaling the onset of frosty days. Those venturing into the region can expect crisp air and stunning vistas, perfect for enjoying the breathtaking landscapes, though it's essential to bundle up against the cold. Overall, May marks a significant transition, reminding visitors that El Chaltén’s beauty thrives even as temperatures fall.
May in El Chaltén showcases an interesting precipitation pattern, with 266 mm (10.5 in) of rainfall over 21 days. This volume places it slightly lower than the wetter months of March and April but still suggests a persistently moist environment typical of the region during this time. The consistency in rainy days, which mirrors January and remains close to the monthly averages, reinforces the notion that El Chaltén experiences a sustained wet season leading into winter. As spring transitions to winter, the weather maintains a vibrant dynamism, with May serving as a pivotal month where the lush landscapes continue to thrive under the influence of frequent rains. Such conditions not only support the stunning natural vistas but also enhance the unique experiences for outdoor enthusiasts and travelers.
In May, El Chaltén, Argentina, experiences a notable increase in humidity, reaching 92%, indicative of the region's transition into the colder months. This slight rise continues the trend established from earlier in the year, where humidity levels gradually climbed from 88% in January to 91% in April. As the year progresses, humidity peaks in the winter, hitting a maximum of 94% in July, before tapering off in the late spring. The consistently high humidity levels not only shape the region's lush landscapes but also create a unique, often misty atmosphere that enchants visitors throughout the year.
In El Chaltén, Argentina, the UV Index showcases a clear pattern as the seasons change. In the peak summer months of January and February, UV levels skyrocket to a staggering 16 and 13, categorizing them as extreme and requiring vigilant sun protection with a burn time of just 10 minutes. As autumn sets in, March and April see a gradual decline, with indices dropping to 10 and 6, signaling a shift to very high and high exposure, while burn times extend to 15 and 25 minutes respectively. By May, the UV Index dips further to a moderate 3, allowing for a more leisurely 30-minute burn time, making it the perfect month for outdoor adventures without immediate sun concerns. However, the trend reverses with the return of spring, as November and December once again bring extreme levels of 17 and 16, urging visitors to remain cautious. For a detailed look at what to expect during your visit, check out the complete guide at El Chalten UV Index.
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In El Chaltén, Argentina, May brings a noticeable decline in sunshine hours, totaling 102 hours—one of the lowest in the year. This dip follows a springtime peak in February, where the sun graces the landscape for an impressive 209 hours. As autumn takes hold in April with 139 hours, the transition to May marks a shift towards winter, where the sun lingers less. Nevertheless, the vibrant beauty of El Chaltén remains captivating, even in the shadier months, setting the stage for a cozy retreat amidst stunning natural scenery. As the year progresses, October and November promise a return of longer days, with 203 and 217 hours of sunshine respectively, reviving the energy of this picturesque town.
In El Chaltén, Argentina, the likelihood of sunny weather tends to fluctuate throughout the year, with May presenting a modest 17% chance of sunshine. This period sits amidst a notable dip following the warmer months; January boasts a cheerful 23%, while February peaks at 36%, offering the best odds for clear skies. As the seasons transition into winter, the chances further decrease, with April and July highlighting some of the least favorable weather, at 15% and 12%, respectively. By October, however, there is a gradual resurgence, with 23% chances signaling brighter days ahead. Overall, those heading to El Chaltén in May should prepare for a mix of weather, as sunny spells remain a rare but delightful occurrence.
As the seasons shift in El Chaltén, Argentina, May welcomes a gentle decline in daylight to about 9 hours per day, marking the transition from the long, sun-drenched days of January with its luxurious 15 hours of light. Following the peak of December's 16 hours, the daylight dips steadily through the autumn months, reaching its lowest in the cold embrace of June and July, when daylight is limited to just 8 hours. However, the cycle of light begins to rejuvenate in August, gradually increasing as we move towards the vibrant springs of September and October. This rhythmic ebb and flow of daylight not only shapes daily life but also enhances the stunning landscapes, inviting both locals and travelers to revel in the breathtaking views and the unique atmosphere that El Chaltén offers throughout the year.
In May, El Chaltén experiences a gentle breeze, with an average wind speed of 1.8 m/s (4 mph), marking a slight decrease from the previous months. As spring unfolds, the winds generally soften during this time compared to the earlier summer months, where average speeds hovered around 2.4 m/s (5 mph) in January. Notably, the transition into autumn brings a consistent decline in wind speeds, with only a slight uptick in June and July, potentially due to seasonal shifts. As one prepares for adventures in this stunning region, the calm winds of May create a perfect backdrop for outdoor explorations, allowing visitors to fully appreciate the breathtaking landscapes without the distraction of stronger gusts.
Weather in El Chalten varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in El Chalten, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of May and January, we observe distinct differences in temperatures and conditions. May experiences a wide temperature range, with minimums dropping to -14°C (7°F) and averaging around -1°C (30°F), while January boasts milder temperatures, with lows of -10°C (13°F) and an average of 4°C (40°F). Precipitation levels are fairly similar in both months, with May receiving 266 mm (10.5 in) and January slightly less at 249 mm (9.8 in), each spanning about 21 days. The humidity also plays a role; May has a higher humidity level at 92%, compared to January's 88%. For a more detailed look at January weather, you can visit El Chalten weather in January.
When comparing the weather in May and February, we see notable differences in temperature and precipitation patterns. May experiences colder temperatures with a minimum of -14°C (7°F) and an average of -1°C (30°F), while February is relatively milder, with a minimum of -7°C (20°F) and an average of 6°C (42°F). In terms of precipitation, May is much wetter, receiving 266 mm (10.5 in) over 21 days compared to February's 192 mm (7.6 in) over 19 days. Additionally, the humidity remains high in both months, with May at 92% and February at 90%. For more detailed weather information specific to February, you can visit El Chalten weather in February.
In comparing the weather of May and March, we see that May experiences slightly colder temperatures, with an average of -1°C (30°F), compared to March's warmer average of 4°C (39°F). While both months have comparable precipitation levels—May with 266 mm (10.5 in) and March with 261 mm (10.3 in)—May sees just one additional day of precipitation, totaling 21 days. Additionally, May's humidity is higher at 92%, in contrast to March's 89%, suggesting a more pronounced dampness during the later spring month. For detailed information on March weather, you can visit El Chalten weather in March.
In comparing the weather patterns of April and May, both months experience chilly temperatures, with minimums reaching as low as -14°C (7°F). However, May tends to be slightly colder overall, with an average temperature of -1°C (30°F) compared to April's average of 1°C (34°F). Precipitation is also noteworthy; April sees more rainfall, totaling 313 mm (12.3 in) over 22 days, whereas May has 266 mm (10.5 in) over 21 days. Humidity remains high in both months, at 91% for April and 92% for May, contributing to the damp, cool conditions. For more insights on the weather during this time, you can check out El Chalten weather in April.
May and June present challenging weather conditions, but they differ slightly in temperature and precipitation patterns. In May, temperatures range from a minimum of -14°C (7°F) to a maximum of 8°C (46°F), with an average around -1°C (30°F) and a significant 266 mm (10.5 in) of precipitation over 21 days. In contrast, June experiences slightly colder temperatures, with a minimum of -16°C (4°F) and a maximum of only 4°C (40°F), leading to an average of -4°C (25°F). June also sees 241 mm (9.5 in) of precipitation across 22 days, alongside higher humidity at 93%. For a more detailed overview, you can check El Chalten weather in June.
May and July present notably similar yet distinct weather patterns. In May, temperatures range from a chilly -14°C (7°F) as a minimum to a maximum of 8°C (46°F), with an average of -1°C (30°F). The month sees significant rainfall, with 266 mm (10.5 in) spread over 21 days, and a high humidity level of 92%. On the other hand, July experiences slightly cooler temperatures with a minimum of -14°C (6°F), an average of -4°C (26°F), and a maximum of 7°C (45°F). Precipitation in July totals 248 mm (9.8 in), occurring on 22 days, and humidity rises slightly to 94%. For more detailed information, you can refer to El Chalten weather in July.
May and August share some similarities in weather patterns, though there are notable differences. May typically sees slightly milder temperatures, with an average of -1°C (30°F), compared to August's average of -3°C (28°F). Both months experience high humidity levels, around 92% in May and 93% in August, contributing to a damp atmosphere. Precipitation is also prevalent in both months, with May receiving 266 mm (10.5 in) over 21 days, while August has just a bit more at 270 mm (10.6 in) over 24 days. For more detailed information on August weather in El Chaltén, visit El Chalten weather in August.
May and September share some similarities in temperature, with average highs around 8°C (46°F) and lows of -14°C (7°F) for May and -12°C (10°F) for September. However, May tends to be slightly wetter, receiving 266 mm (10.5 in) of precipitation over 21 days compared to September's 235 mm (9.2 in) across 22 days. Additionally, the humidity levels are marginally higher in May at 92%, while September sees a lower level at 90%. For more detailed information about the weather conditions in September, you can visit El Chalten weather in September.
May and October in El Chaltén offer similar temperature ranges, with daytime highs reaching around 8°C (46°F) in both months. However, October tends to be slightly colder, featuring a minimum temperature of -16°C (4°F) compared to May's -14°C (7°F). Precipitation levels are similar, with May receiving 266 mm (10.5 in) over 21 days and October experiencing 243 mm (9.6 in) over 23 days, indicating that both months can be quite wet. Humidity levels are also comparable, at 92% for May and 90% for October, creating a consistently damp atmosphere. For those interested in the specifics of October weather, you can find more details here.
In May, temperatures range from a chilly -14°C (7°F) to a maximum of 8°C (46°F), with an average of -1°C (30°F). The month is characterized by significant precipitation, totaling 266 mm (10.5 in) over 21 days, contributing to a high humidity level of 92%. In contrast, November offers slightly milder conditions, with temperatures ranging from -8°C (18°F) to 11°C (51°F) and an average of 2°C (35°F). Precipitation decreases to 235 mm (9.2 in) over the same number of days, resulting in a slightly lower humidity of 89%. For more detailed insights into November's climate, visit El Chalten weather in November.
In comparing the weather patterns of May and December, notable differences emerge. May experiences colder temperatures with a minimum of -14°C (7°F), an average of -1°C (30°F), and a maximum of 8°C (46°F). This month also sees considerable precipitation, averaging 266 mm (10.5 in) over 21 days, accompanied by high humidity levels of 92%. In contrast, December offers milder conditions with a minimum of -7°C (20°F) and an average of 4°C (39°F), peaking at a more comfortable 16°C (62°F). Despite slightly lower precipitation at 259 mm (10.2 in) across 22 days, humidity is also lower at 88%. For more specific information on the December climate, you can visit El Chalten weather in December.
In May, El Chaltén's weather takes a significant turn as temperatures drop, bringing a chill in the air that is markedly different from the preceding months. With maximums hovering around 8°C, and lows dipping as low as -14°C, it's a stark reminder that winter is approaching. Precipitation becomes more frequent, with nearly 21 days of rain contributing to an overall 266 mm of rainfall, creating a damp and misty atmosphere with relative humidity at an impressive 92%. This shift not only transforms the landscape but also enhances the captivating beauty of the region. For a deeper understanding of this stunning destination's yearly climate patterns, be sure to check out El Chalten Climate.