Last updated: August 21, 2025
May in Perito Moreno, Argentina offers a unique blend of cool temperatures and atmospheric charm. With maximums reaching 17°C (63°F) and average temperatures around 7°C (45°F), the month presents a refreshing transition into winter. Visitors should prepare for occasional chilly nights, with minimum temperatures dipping to -4°C (24°F). This time of year also sees 40 mm (1.6 in) of precipitation spread over approximately 9 days, contributing to the region’s lush landscapes. High humidity levels at 92% add to the crispness of the air, making May a captivating time to experience the natural beauty of this stunning locale.
In May, Perito Moreno, Argentina begins to feel the chill of winter, with temperatures showcasing a noticeable drop compared to the preceding months. The minimum temperature dips to -4°C (24°F), while the average hovers around a brisk 7°C (45°F), peaking at a moderate 17°C (63°F). This gradual transition from the warmer autumn days of April's maximum of 21°C (70°F) sets the stage for a much cooler June. As the region shifts deeper into winter, it’s evident that May acts as a pivotal month, balancing the remnants of early warmth with the impending cold, creating a unique atmosphere that’s ripe for exploration and appreciation of the stunning glacial landscapes.
In May, Perito Moreno experiences a notable shift in precipitation, receiving 40 mm (1.6 in) of rain over 9 days—the same amount as in April, yet with an increase in rainy days. This trend of consistent rainfall marks the transition into the cooler months, paving the way for the wettest period of the year ahead in June, which sees a further increase in precipitation to 54 mm (2.1 in). It's a time when the green landscapes breathe life, making May a period of vibrant renewal despite the increasing chill in the air. The gradual rise in both the volume and frequency of rain underscores a significant change in weather patterns as Argentine autumn deepens.
In May, Perito Moreno, Argentina, experiences a significant rise in humidity, reaching 92%, which is part of a broader upward trend that begins in the early months of the year. As the seasons transition, humidity levels steadily increase, peaking in the winter months of June and July at 94% and 95%, respectively. This gradual climb highlights the region’s tendency towards a moist climate during the late autumn and winter, setting a backdrop for the stunning natural beauty that attracts visitors year-round. By the end of the year, humidity starts to ease but consistently hovers around the mid-80s percentage, showcasing Perito Moreno's characteristic dampness throughout the seasons.
In May, Perito Moreno experiences a moderate UV Index of 3, with a safe burn time of approximately 30 minutes under the sun. This marks a shift from the extreme levels witnessed in the peak of summer months, January and February, where the index soared to 13 and 11, respectively, demanding only 10 minutes of exposure before skin damage occurs. As the year progresses, April and May maintain a similar moderate classification, allowing residents and visitors a bit more time outdoors without the immediate risk of sunburn. However, caution should still be practiced as the UV Index begins to decrease into the colder months of June and July, where levels drop to 2, representing low exposure risk. For more detailed insights into UV trends throughout the year, check out the Perito Moreno UV Index.
UV Risk Categories
In May, Perito Moreno, Argentina, experiences a noticeable dip in sunshine, with only 201 hours of sunlight, marking the transition from the vibrant summer months into the cooler autumn. This is part of a broader trend, as sunshine hours peaking at 334 hours in February gradually decline, hitting their lowest point in June with just 179 hours. While the days may grow shorter, May still retains a charm, with its crisp air and breathtaking landscapes. The gradual increase in sunshine leading towards late autumn suggests a sense of renewal, as the region prepares for the luminous daylight hours that return in the spring, ultimately reaching an impressive 410 hours by December.
In Perito Moreno, Argentina, the likelihood of sunny weather takes a noticeable dip in May, with a 46% chance of clear skies. This drop follows a trend of decreasing sunlight from the sunnier climes of April—where the chance is notably higher at 39%—to the cooler months of late autumn and early winter. As we move into this transitional month, the weather becomes less predictable, while both June and August slightly rebound with chances around 48% and 45%, respectively. Travelers seeking sunshine may want to consider the earlier months of the year, especially January and February, which boast the highest probabilities of 59% and 71% respectively, whereas autumn brings a more subdued outlook.
In Perito Moreno, Argentina, the daylight duration exhibits a captivating seasonal rhythm. As the year begins, January shines brightly with 15 hours of daylight, gradually tapering off as February and March bring 13 and 12 hours respectively. The shift into autumn sees daylight decrease sharply, with April dipping to 10 hours. By May, the sunlight continues to fade, offering just 9 hours as winter approaches. This trend persists into June and July, where the daylight peaks at 8 hours. Fortunately, as spring emerges in August, daylight duration begins to rebound, climbing to 10 hours and reaching 11 in September. The transition to summer then reawakens longer days, with October showcasing 13 hours and November embracing 14 hours, culminating in December's return to the bright 15-hour mark. This cyclical pattern beautifully illustrates the interplay between daylight and the seasons in this enchanting region.
In May, the winds in Perito Moreno, Argentina tend to calm, averaging a gentle 3.8 m/s (9 mph), making it one of the quieter months for breezes in the region. This drop in wind speed follows the fluctuations seen from January through April, where speeds hovered between 5.0 and 6.4 m/s. As spring blossoms, the transition into early winter brings a noticeable respite from the stronger gusts, contrasting with the 6.6 m/s peaks in October. This shift creates a serene atmosphere ideal for enjoying the stunning landscapes, as the winds of May provide a tranquil backdrop to the breathtaking beauty of the area.
Weather in Perito Moreno varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Perito Moreno, focusing on differences in temperature, rainfall, humidity, and UV levels.
Comparing the weather in May and January reveals striking differences. In May, temperatures range from a chilly minimum of -4°C (24°F) to an average of 7°C (45°F) and a maximum of 17°C (63°F). This month experiences higher humidity at 92% and considerable precipitation, totaling about 40 mm (1.6 in) over 9 days. In contrast, January features much milder conditions, with temperatures varying from a minimum of 5°C (41°F) to a pleasant average of 15°C (60°F) and a maximum of 30°C (86°F). It also boasts lower humidity at 83% and significantly less rainfall, receiving only 16 mm (0.6 in) over 4 days. For more detailed insights on January weather patterns, refer to Perito Moreno weather in January.
May generally experiences cooler temperatures compared to February, with a minimum of -4°C (24°F) and highs averaging around 17°C (63°F), whereas February sees milder conditions with a minimum of 6°C (42°F) and maximums reaching as high as 35°C (94°F). Precipitation is more frequent in May, averaging 40 mm over 9 days, while February has lower precipitation at 17 mm over just 3 days. Additionally, humidity levels are slightly higher in May at 92%, compared to February’s 86%. For a detailed look at February’s climate, you can check Perito Moreno weather in February.
In comparing the weather between May and March, we see notable differences. May experiences cooler temperatures, with a minimum of -4°C (24°F), an average of 7°C (45°F), and a maximum of 17°C (63°F), along with higher humidity at 92%. It also sees about 40 mm (1.6 in) of precipitation over approximately 9 days. In contrast, March is significantly warmer, with a minimum of 1°C (34°F), an average of 14°C (57°F), and a maximum of 28°C (83°F). March also has lower precipitation, with about 30 mm (1.2 in) over around 6 days, and a slightly lower humidity of 85%. For more detailed insights, you can check the Perito Moreno weather in March.
In comparing the weather between April and May, it is evident that May experiences cooler temperatures, with an average of 7°C (45°F) compared to April's warmer average of 10°C (51°F). Additionally, maximum temperatures in May peak at 17°C (63°F), whereas April reaches a higher maximum of 21°C (70°F). Both months receive the same amount of precipitation, 40 mm (1.6 in), but May has slightly more rainy days, totaling 9 compared to April's 7. Humidity levels are also a bit higher in May at 92%, compared to April's 90%. For more detailed information, you can check Perito Moreno weather in April.
In May, temperatures range from a minimum of -4°C (24°F) to a maximum of 17°C (63°F), with an average of 7°C (45°F). The month sees a total precipitation of 40 mm (1.6 in) over 9 days and a high humidity level of 92%. In contrast, June experiences slightly cooler temperatures, with a minimum of -9°C (15°F), an average of 4°C (39°F), and a maximum of 12°C (54°F). Rainfall also increases to 54 mm (2.1 in), occurring over 11 days, while humidity remains high at 94%. This comparison highlights that while May is generally warmer, June brings increased precipitation and consistent humidity. For more specific weather patterns in June, you can check Perito Moreno weather in June.
In May, temperatures range from a chilly -4°C (24°F) to a mild maximum of 17°C (63°F), creating an average of around 7°C (45°F). Humidity is quite high at 92%, with approximately 40 mm (1.6 in) of precipitation over about 9 days. In contrast, July experiences even cooler weather, with minimum temperatures dipping to -11°C (13°F) and an average of just 3°C (38°F), peaking at 12°C (54°F). July also has slightly lower precipitation at 35 mm (1.4 in) over 8 days, but the humidity remains elevated at 95%. For more detailed information on July weather, you can check Perito Moreno weather in July.
In May, the weather is generally milder, with average temperatures around 7°C (45°F) and maximums reaching 17°C (63°F), while August brings cooler conditions with an average of 5°C (41°F) and a maximum of 14°C (57°F). Both months experience relatively high humidity, with May at 92% and August slightly higher at 93%. Precipitation levels are comparable, with May seeing 40 mm (1.6 in) over about 9 days, while August has slightly less, at 38 mm (1.5 in) over 7 days. For a detailed look at what to expect during this time, check out Perito Moreno weather in August.
In comparing the weather of May and September, both months exhibit a similar temperature profile, with minimum temperatures dipping to around -4°C (24°F) and maximum temperatures reaching approximately 17°C (63°F). However, May experiences slightly higher average humidity at 92%, compared to September's 88%. Additionally, May tends to be wetter, with 40 mm of precipitation over 9 days, whereas September boasts lighter rainfall at 22 mm across just 6 days. For more detailed insights on September weather, you can check out Perito Moreno weather in September.
In May, temperatures range from a chilly -4°C (24°F) at night to a mild 17°C (63°F) during the day, with an average temperature of 7°C (45°F). The month typically sees about 40 mm (1.6 in) of precipitation over approximately 9 days, and the humidity can be quite high at 92%. In contrast, October experiences slightly warmer temperatures, ranging from -4°C (25°F) to a comfortable 20°C (69°F), with an average of 9°C (48°F). Precipitation decreases to 22 mm (0.9 in) over just 5 days, and humidity levels are also lower at 86%. For those interested in specific weather patterns, you can check Perito Moreno weather in October.
In comparing May and November, we see a notable shift in weather patterns. May experiences colder temperatures, with averages around 7°C (45°F) and a maximum of 17°C (63°F), while November boasts a milder average of 12°C (54°F) and can rise to 25°C (78°F). Additionally, May tends to be wetter, with about 40 mm (1.6 in) of precipitation spread over 9 days, compared to November's lighter rainfall of 20 mm (0.8 in) over just 5 days. Humidity levels also differ slightly, with May at 92% and November at 85%. For more details about November weather in this region, check out Perito Moreno weather in November.
In comparing the weather between May and December, we see a notable shift in temperatures and humidity levels. May features a cooler climate, with average temperatures ranging from a chilly minimum of -4°C (24°F) to a maximum of 17°C (63°F), accompanied by higher humidity at 92% and an average of 40 mm (1.6 in) of precipitation over 9 days. In contrast, December enjoys much warmer conditions, with an average ranging from 5°C (41°F) to as high as 30°C (86°F). The humidity is slightly lower at 84%, and precipitation amounts to just 15 mm (0.6 in) over only 4 days. For more specific insights on December weather in this region, you can check out Perito Moreno weather in December.
As May graces Perito Moreno, the weather transitions into a cooler embrace, diverging from the preceding months with its crisp temperatures and increased humidity. Visitors can expect a refreshing chill with occasional frosty nights, setting the stage for the stunning landscapes to shine against the backdrop of lingering precipitation. With about a third of the month seeing rain, the vibrant greenery emerges, enhancing the natural beauty of this remarkable region. Those planning their trip should be prepared for variations in weather, making it essential to check local forecasts. For more insights on how this month fits into the yearly pattern, delve into the details at Perito Moreno Climate.