Last updated: August 21, 2025
In May, San Martin de los Andes, Argentina, showcases a remarkable and dynamic climate. Temperatures vary significantly, with a maximum reaching 20°C (68°F) while averaging around a chilly 3°C (38°F) and dipping to a minimum of -16°C (4°F). This month experiences noteworthy precipitation totaling 105 mm (4.1 in) over approximately 13 days, contributing to the lush, green landscapes characteristic of the region. With humidity levels soaring to 88%, May offers a blend of invigorating coolness and vibrant natural beauty, making it a unique time to explore this picturesque alpine town.
In May, San Martin de los Andes experiences a notable drop in temperatures, firmly signaling the transition to winter. With average temperatures hovering around 3°C (38°F), the month sees chilly nights with minimums plummeting to -16°C (4°F). Although daytime highs can reach up to 20°C (68°F), the crisp air is a reminder of the impending cold. This month showcases a stark contrast to the warmth of summer, as April's milder weather gives way to the early winter chill, hinting at the snowy landscapes that await in the following months. May is indeed a time of preparation and transformation in this breathtaking Argentine destination.
In May, San Martin de los Andes experiences a significant increase in precipitation, with 105 mm (4.1 inches) recorded over 13 days, marking a notable shift from the earlier months. This spike suggests a transition into the wetter season, as April's rainfall of 64 mm was distributed over fewer days. The steady rise in precipitation leading into June—with its staggering 228 mm—highlights May's role as a pivotal month, where the landscape transforms under a more dramatic climate. As the region prepares for the winter months, the consistent downpours serve to both nourish the lush scenery and set the stage for the spectacular snow-capped peaks that define this picturesque Argentine destination.
In May, the charm of San Martin de los Andes truly shines despite the increased humidity of 88%, marking one of the wettest months of the year. This trend of rising humidity continues from April's 82%, reflecting the transition into the cooler, more saturated months ahead. Following May, the humidity remains high, peaking at 90% in July and August. Interestingly, this pattern showcases the region's shift towards a more humid climate during the late autumn and winter months, contrasting with the drier summer of January and February, where humidity hovers around 70%. Visitors to San Martin de los Andes in May can anticipate a refreshing and brisk atmosphere, perfect for enjoying the stunning natural landscapes that come alive with the moisture-rich air.
In May, San Martin de los Andes experiences a noticeable shift in UV levels, with a UV Index of 5, categorized as moderate. This decline from the extreme indices seen in the peak summer months of January and February reflects the arrival of cooler weather. As the burn time increases to 30 minutes, it offers a welcome respite for outdoor enthusiasts looking to enjoy the stunning vistas without the intense sun exposure of earlier months. However, vigilance remains important, as UV levels can still impact skin health. For those planning to bask in the natural beauty of this picturesque region, checking the San Martin de los Andes UV Index is advisable to ensure a safe and enjoyable experience.
UV Risk Categories
As spring transitions into early winter, May in San Martin de los Andes experiences a noticeable decline in sunlight, with 211 hours illuminating the picturesque landscapes. This decrease follows a vibrant April, showcasing 250 hours of sunshine, yet it remains a stark contrast to the summer months of January and February, which boast over 300 hours. Interestingly, the trend continues into the cooler months, where June offers just 143 hours, highlighting the shift toward shorter days. Despite this reduction, May’s remaining sunlight casts a gentle glow on the breathtaking scenery, inviting visitors to appreciate the tranquil beauty of the Andes as they prepare for the upcoming winter charm.
In San Martin de los Andes, the likelihood of sunny weather experiences a notable decline as spring transitions into winter, with May seeing just 31% chances for sunshine. This is a significant dip from the balmy days of summer, where January and February boast sun probabilities of 64% and 71% respectively. As the year progresses into the cooler months, the sun becomes more elusive, highlighted by April's already moderate 37% chance and June's stark drop to merely 23%. This trend underscores May as a time when the vibrant hues of nature may be cloaked in clouds, inviting visitors to enjoy the serene beauty of the Andes amidst cooler, less predictable weather.
In San Martin de los Andes, Argentina, the progression of daylight throughout the year tells a compelling story of seasonal change. May marks a notable shift as daylight dwindles to just 9 hours, a reflection of the deepening autumn. Following a gradual decline from 14 hours in January to 10 hours in April, May represents a turning point as the days grow shorter. This trend continues into June and July, where daylight remains consistent at 9 hours, enveloping the region in a cozy embrace of twilight. However, as winter gives way to spring, the days start to lengthen again in August, with an uptick to 10 hours—a hint of the vibrant life to return. This rhythmic cycle not only showcases the beauty of the changing seasons but also invites residents and visitors alike to savor the unique charm of each daylight hour in this picturesque destination.
In May, the winds in San Martin de los Andes come alive again, matching January's breezy pace with an average speed of 2.7 m/s (6 mph). This revival follows a gradual decline from the peak winds of early summer, dipping to 2.1 m/s in April. As autumn takes hold, the winds subtly shift, providing a refreshing backdrop for outdoor activities. Interestingly, the wind speed remains steady compared to the previous months, suggesting a harmonious balance in nature that continues into June. With an enduring strength evident throughout May, the area's scenic beauty is complemented by a gentle, invigorating breeze, perfect for exploring the stunning landscapes that define this Argentine gem.
Weather in San Martin de los Andes varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in San Martin de los Andes, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January exhibit significant differences in weather patterns. In May, temperatures range from a chilly minimum of -16°C (4°F) to a comfortable maximum of 20°C (68°F), with an average of 3°C (38°F). The month also sees considerable precipitation, totaling 105 mm (4.1 in) over 13 days, contributing to a high humidity level of 88%. In contrast, January offers much warmer conditions, with temperatures fluctuating from a low of -4°C (25°F) to a high of 32°C (89°F), averaging 13°C (55°F). This month experiences far less precipitation, only 28 mm (1.1 in) across just 4 days, and a lower humidity of 70%. For more detailed insights on January weather specifics, visit San Martin de los Andes weather in January.
When comparing the weather in May and February, significant differences become apparent. May experiences a much wider temperature range, with minimums dropping to -16°C (4°F) and maximums reaching 20°C (68°F), while average temperatures sit around 3°C (38°F). In contrast, February boasts milder conditions, where minimums are a warmer -3°C (27°F) and maximums can soar to 31°C (88°F), with an average of 13°C (56°F). Additionally, May tends to be much wetter, recording 105 mm (4.1 in) of precipitation over 13 days, compared to February's drier conditions with only 28 mm (1.1 in) over just 5 days. The humidity is also higher in May at 88%, while February maintains a lower humidity level of 69%. For a deeper dive into February's climate, refer to San Martin de los Andes weather in February.
When comparing the weather in May and March, a few notable differences emerge. In May, temperatures range from a chilly minimum of -16°C (4°F) to a much milder average of 3°C (38°F), reaching a maximum of 20°C (68°F). This month also experiences higher precipitation, with 105 mm (4.1 in) falling over 13 days and humidity levels climbing to 88%. In contrast, March offers more moderate temperatures, with a minimum of -6°C (22°F), an average of 10°C (51°F), and a maximum of 28°C (83°F). The precipitation is notably lower in March, totaling 46 mm (1.8 in) over just 6 days, and humidity is less intense at 73%. For more detailed weather information, you can check San Martin de los Andes weather in March.
In comparing the weather of May and April, May tends to be colder, with average temperatures ranging from a minimum of -16°C (4°F) to a maximum of 20°C (68°F), while April experiences milder conditions, with temperatures ranging from -7°C (20°F) up to 23°C (74°F). Additionally, May sees significantly more precipitation, totaling 105 mm (4.1 in) over 13 days, compared to April's 64 mm (2.5 in) across 9 days. Humidity levels are also higher in May, averaging 88%, compared to 82% in April. For a detailed look at April weather, you can visit San Martin de los Andes weather in April.
When comparing the weather in May and June, we see notable differences in temperature and precipitation patterns. In May, temperatures range from a minimum of -16°C (4°F) to a maximum of 20°C (68°F), with an average of 3°C (38°F), while June has a narrower range, with minimum temperatures of -11°C (13°F) and a maximum of 9°C (48°F), averaging at 0°C (33°F). Additionally, June experiences significantly higher precipitation with 228 mm (9.0 in) over 19 days compared to May's 105 mm (4.1 in) over 13 days. Both months maintain a high humidity level of 88%. For more detailed information about June's weather, you can visit San Martin de los Andes weather in June.
In comparing the weather of May and July, we see distinct differences in temperature and precipitation. May experiences a broader temperature range, with a minimum of -16°C (4°F) and a maximum of 20°C (68°F), leading to an average of 3°C (38°F). In contrast, July's temperatures are generally cooler, with a minimum of -14°C (7°F), maximum of 11°C (51°F), and an average of 0°C (32°F). Additionally, July records higher precipitation levels at 198 mm (7.8 in) over 16 days, compared to May's 105 mm (4.1 in) over 13 days, contributing to a slightly higher humidity of 90% versus 88% in May. For more detailed weather information, visit San Martin de los Andes weather in July.
May and August in San Martin de los Andes showcase distinct weather patterns reflective of early and late winter conditions. In May, temperatures range from a chilly -16°C (4°F) to a milder 20°C (68°F), with an average of 3°C (38°F) and around 105 mm (4.1 in) of precipitation over 13 days. In contrast, August sees lower temperatures, with a maximum of just 12°C (54°F) and an average of 1°C (33°F), while experiencing increased precipitation of 168 mm (6.6 in) across 16 days. Both months have high humidity levels, hovering around 88% in May and escalating slightly to 90% in August, indicating a damp and cool climate. For a closer look at specific August conditions, visit San Martin de los Andes weather in August.
May and September present distinct weather patterns, showcasing the transition of seasons. In May, temperatures range from a chilly minimum of -16°C (4°F) to a comfortable maximum of 20°C (68°F), averaging around 3°C (38°F). This month experiences significant rainfall, with 105 mm (4.1 in) spread over 13 days and a high humidity of 88%. In contrast, September offers slightly milder conditions, with temperatures varying from -10°C (14°F) to a maximum of 18°C (65°F) and an average of 2°C (36°F). Rainfall is less prevalent in September, totaling 81 mm (3.2 in) over 10 days, and humidity is slightly lower at 85%. For more detailed insights into September weather, visit San Martin de los Andes weather in September.
When comparing the weather in May and October, both months experience a range of temperatures, but October tends to be milder overall. In May, temperatures can drop as low as -16°C (4°F), with an average of 3°C (38°F) and a maximum of 20°C (68°F). In contrast, October has a slightly warmer minimum of -9°C (15°F), an average of 4°C (39°F), and a peak of 23°C (73°F). Precipitation levels are similar, with May receiving 105 mm (4.1 in) and October just slightly less at 102 mm (4.0 in), both spread over 13 days. However, October has a lower humidity level of 79%, compared to May's 88%, making it feel less damp. For more specific details about October weather conditions, you can visit San Martin de los Andes weather in October.
In comparing the weather of May and November, notable differences can be observed. May experiences lower temperatures, with a minimum of -16°C (4°F) and an average of 3°C (38°F), while November boasts a milder minimum of -7°C (20°F) and an average of 8°C (47°F). Additionally, May is wetter, with 105 mm (4.1 in) of precipitation spread over 13 days, compared to November's 58 mm (2.3 in) over just 9 days. Humidity levels also vary, as May has a higher humidity of 88% compared to November’s 71%. For more detailed insights on November weather, you can visit San Martin de los Andes weather in November.
In May, temperatures in San Martin de los Andes range widely from a minimum of -16°C (4°F) to a maximum of 20°C (68°F), with an average of 3°C (38°F). The month is characterized by significant precipitation, totaling 105 mm (4.1 in) over 13 days, and a high humidity level of 88%. In contrast, December experiences milder weather, with temperatures fluctuating between -2°C (29°F) and 28°C (83°F), and an average of 12°C (53°F). Precipitation is notably lower in December at 48 mm (1.9 in) over just 7 days, accompanied by reduced humidity at 73%. For more details, you can check out San Martin de los Andes weather in December.
As May arrives in San Martin de los Andes, it ushers in a noticeable shift in the weather, distinct from the warmer months that precede it. Temperatures cool significantly, offering crisp mornings and chilly nights, making it the perfect time for cozy evenings indoors. With an increase in humidity and a fair amount of precipitation, this month is characterized by frequent rain showers that nourish the lush landscapes. The beautiful contrast of the snow-capped peaks against the grey skies adds a serene beauty to the region, inviting those seeking the tranquility of a quieter season. For more details on the weather trends of this enchanting destination, explore the San Martin de los Andes Climate.