Last updated: August 21, 2025
May in El Calafate, Argentina is characterized by a chilly embrace, with temperatures reaching a maximum of 14°C (57°F) and dipping to a minimum of -5°C (23°F). The average temperature hovers around 4°C (39°F), setting the stage for a crisp atmosphere. Expect moderate precipitation, with about 75 mm (3.0 in) of rain falling over 14 days, contributing to a humid environment with levels soaring to 87%. As the landscapes transform under the unique climatic conditions, May invites both adventurers and nature lovers to experience the serene beauty of Patagonia.
As May unfolds in El Calafate, Argentina, the temperatures continue their descent into the cooler months, with a noticeable shift from the warmth of summer. Average lows drop to a brisk -5°C (23°F), while daytime highs reach a modest 14°C (57°F). This month marks a significant transition, down from April's milder conditions, where temperatures hovered around 7°C (44°F). With the average temperature settling at 4°C (39°F), May hints at the approaching winter, as chilly winds begin to sweep through the region. Travelers can expect to witness the beauty of the Patagonian landscape cloaked in early snowfall, making it a unique time to explore this enchanting destination.
May in El Calafate experiences a moderate precipitation level, with 75 mm (3.0 in) of rain falling over approximately 14 days. This shows a slight decrease from April’s peak, where 91 mm (3.6 in) was recorded in 15 days, signaling a transition from the wetter autumn months. As the region moves into early winter, May's rainfall remains significant, typically lush and freshening the breathtaking landscapes. Notably, the month exhibits a balance in rainfall patterns, maintaining an average similar to those of previous months, such as October and February. This consistency not only supports the region's vibrant flora but also sets the stage for the cold, crisp days of June ahead.
As May arrives in El Calafate, Argentina, the town experiences a notable increase in humidity, reaching 87%. This marks a steady rise from April's 86%, continuing the trend of escalating moisture that typically begins in the fall. Following this pattern, humidity levels are expected to peak in the winter months, hitting 89% in June and 90% in July. Reflecting the transitional climate, the gradual increase in humidity from January's 80% to May's figure signifies the approach of colder weather while also highlighting El Calafate's unique atmospheric character that contributes to its breathtaking landscapes. The consistently high humidity levels throughout mid-year emphasize the region’s allure, making it a memorable destination for visitors and adventurers alike.
In May, El Calafate enjoys a low UV Index of 2, allowing for a more relaxed experience outdoors with a burn time of 45 minutes. This marks a significant drop from the intense summer months of January and February, where the UV Index soared to extreme levels of 12 and 10, respectively. As autumn settles in, both the UV Index and exposure categories decrease, highlighting a trend towards milder conditions leading into winter. With only moderate to low UV levels from March onward, residents and visitors can safely bask in the beauty of Patagonia's landscapes. For those planning outdoor activities, May's gentle sun makes it an ideal time to explore without the intense risks associated with the preceding months. Stay informed about the UV changes throughout the year at El Calafate UV Index.
UV Risk Categories
As the calendar turns to May in El Calafate, Argentina, sunshine begins to wane, with the region enjoying 160 hours of bright daylight—a marked decrease from the vibrant days of late summer. After basking in the long hours of January and February, which boasted nearly 300 hours of sun each, May's shift signals the approach of winter, evidenced by a gradual decline in sunlight throughout the season. Following April's 220 hours, the diminishing light continues into June, emphasizing the stark contrast to the sun-kissed Argentine summer. Yet, even as the days shorten, the spectacular landscapes of El Calafate remain alluring, showcasing the serene beauty of this enchanting destination. With each passing month, the dance of daylight and shadow creates a picturesque setting, inviting visitors to experience the unique charm of the region in every season.
As spring gives way to the biting chill of winter in El Calafate, May presents a notable shift in weather patterns, with only a 25% chance of sunny days. This dip is reflective of the month’s transitional nature, where the increasing cloud cover increasingly masks the sun. Interestingly, sunny weather trends vary across the year, with the highest likelihood occurring in the warmer months—November and October both boast over 49% sunshine. In contrast, as May approaches, the forecast grows gloomier, following a steady decline from 36% in April to the lowest point of 22% in June. This trend underscores the region's unpredictable climate, emphasizing the importance of preparing for both sun and potential precipitation when visiting during this time.
In El Calafate, Argentina, daylight duration experiences a dramatic shift throughout the year. Starting strong in January with a generous 15 hours of sunlight, the days gradually shorten, reaching 8 hours by May and maintaining that duration through June and July. As winter sets in, the trend stabilizes at a minimal level before the daylight begins to rekindle. August brings a slight increase to 9 hours, followed by a steady rise as the months progress, culminating in December's peak of 16 hours. This cyclical pattern highlights the region's diverse seasonal character, making each month's daylight a distinct experience to cherish.
In May, El Calafate experiences a gentle shift in its winds, with an average speed of 1.7 m/s (4 mph), making it one of the calmer months in the region. Following the breezy months of January and December, where winds peak at 3.1 m/s (7 mph), May marks a notable decline in wind speed that continues into the early winter months. This trend of gradually diminishing winds from April to June not only suggests a transition to cooler weather but also offers a serene atmosphere, perfect for observing the breathtaking landscapes around Lake Argentino. As summer draws to a close, May's tranquil breezes create a peaceful backdrop, inviting visitors to immerse themselves in the stunning beauty of Patagonia.
Weather in El Calafate varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in El Calafate, focusing on differences in temperature, rainfall, humidity, and UV levels.
In comparing the weather of May and January, we find notable differences in both temperature and precipitation. May features colder temperatures with a minimum of -5°C (23°F) and an average of 4°C (39°F), while January offers a milder experience with temperatures ranging from a minimum of 1°C (34°F) to an average of 11°C (53°F). Precipitation levels in May are slightly higher at 75 mm (3.0 in) across 14 days, compared to January's 61 mm (2.4 in) over 13 days. Humidity is also higher in May at 87%, while January maintains a relatively lower humidity level of 80%. For a detailed look at January's weather, you can visit El Calafate weather in January.
When comparing the weather in May and February, there are notable differences in temperature and humidity. In May, temperatures range from a chilly -5°C (23°F) to a mild 14°C (57°F), with an average of 4°C (39°F). The month sees about 75 mm (3.0 in) of precipitation over approximately 14 days, accompanied by high humidity of 87%. In contrast, February enjoys much warmer temperatures, with a minimum of 1°C (35°F) and a maximum reaching 28°C (83°F), and an average of 12°C (54°F). The precipitation level in February is slightly higher at 77 mm (3.0 in), spread over 12 days, but the humidity is a bit lower at 83%. For more specifics on February weather, check out El Calafate weather in February.
In comparing the weather of May and March, we see notable differences in temperature and precipitation patterns. May experiences cooler temperatures with a minimum of -5°C (23°F) and an average of 4°C (39°F), peaking at 14°C (57°F). In contrast, March offers milder conditions, featuring a minimum of -1°C (31°F) and a much warmer average of 10°C (50°F), with highs reaching 22°C (71°F). Precipitation in May is slightly lower at 75 mm (3.0 in) over 14 days, compared to March's 80 mm (3.2 in) spread across 15 days, while humidity remains relatively high in both months, at 87% for May and 82% for March. For more detailed insights, you can check out El Calafate weather in March.
In comparing the weather in May and April, May tends to be cooler with an average temperature of 4°C (39°F), whereas April averages 7°C (44°F). The maximum temperature in May reaches only 14°C (57°F), significantly lower than April's peak of 19°C (66°F). Precipitation is slightly lower in May at 75 mm (3.0 in) over 14 days, compared to April's 91 mm (3.6 in) over 15 days. Humidity levels are quite similar, with May at 87% and April at 86%. For more detailed insights, you can check El Calafate weather in April.
In comparing the weather between May and June, we see some notable differences. May typically experiences slightly milder temperatures, with an average of 4°C (39°F), while June's average drops to 0°C (33°F). Precipitation levels are also different; May has 75 mm (3.0 in) of rain across 14 days, compared to June's 54 mm (2.1 in) over 12 days. Additionally, humidity remains high in both months, but June sees a slight increase to 89%, compared to May's 87%. For more detailed weather insights, you can check El Calafate weather in June.
In comparing the weather between May and July, May generally enjoys milder temperatures, with a minimum of -5°C (23°F), an average of 4°C (39°F), and a maximum of 14°C (57°F). In contrast, July experiences cooler conditions, featuring a minimum of -8°C (18°F), an average of 0°C (32°F), and a maximum of 8°C (47°F). Precipitation levels are slightly lower in July at 59 mm (2.3 in) over 13 days, compared to May's 75 mm (3.0 in) across 14 days. Humidity remains high in both months, peaking at 87% in May and slightly increasing to 90% in July. For more detailed insights into July weather, you can check El Calafate weather in July.
May and August weather in El Calafate display notable similarities and subtle differences. In May, temperatures range from a minimum of -5°C (23°F) to a maximum of 14°C (57°F), with an average temperature of 4°C (39°F). The month experiences around 75 mm (3.0 in) of rainfall over 14 days, contributing to a humid atmosphere with 87% humidity. In contrast, August sees slightly cooler average conditions, with temperatures ranging from a minimum of -7°C (20°F) to a maximum of 13°C (55°F) and an average of just 1°C (35°F). Precipitation remains fairly consistent at 72 mm (2.8 in) over 13 days, maintaining the same high humidity level of 87%. For further details on August weather, you can check El Calafate weather in August.
May and September present somewhat similar weather patterns, but with notable differences in temperature and precipitation. In May, temperatures range from a minimum of -5°C (23°F) to a maximum of 14°C (57°F), averaging around 4°C (39°F). The month is characterized by higher humidity at 87% and approximately 75 mm (3.0 in) of precipitation over 14 days. Conversely, September sees slightly cooler temperatures, with a minimum of -6°C (22°F) and a maximum of 15°C (59°F), averaging 3°C (38°F). Interestingly, September has less precipitation, totaling 66 mm (2.6 in) over just 11 days, and a slightly lower humidity of 84%. For more detailed information, you can check out El Calafate weather in September.
May and October both feature relatively cool temperatures, but October tends to be slightly warmer on average. In May, temperatures range from a minimum of -5°C (23°F) to a maximum of 14°C (57°F), while October sees a broader range from -7°C (20°F) to 18°C (65°F). Both months receive similar levels of precipitation, approximately 75-76 mm (3.0 in), and experience about 14 days of rain. However, the humidity is marginally higher in May at 87% compared to October's 83%. For more information on what to expect weather-wise in October, you can visit El Calafate weather in October.
In May, temperatures typically range from a low of -5°C (23°F) to a high of 14°C (57°F), with an average of 4°C (39°F). The month sees considerable precipitation, with around 75 mm (3.0 in) falling over 14 days, accompanied by a high humidity level of 87%. In contrast, November brings milder conditions, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 21°C (71°F), averaging at 9°C (48°F). Precipitation decreases to 61 mm (2.4 in) across 11 days, and humidity drops slightly to 81%. For a closer look at what November weather entails, visit El Calafate weather in November.
In comparing the weather of May and December, we observe notable differences in temperature and precipitation. May tends to be cooler, with average temperatures ranging from a brisk 4°C (39°F) to a maximum of 14°C (57°F), compared to December, which enjoys milder conditions with an average of 11°C (53°F) and highs reaching up to 26°C (78°F). Precipitation levels are relatively similar, but December records slightly less at 57 mm (2.2 in) over 12 days, while May receives 75 mm (3.0 in) over 14 days. Humidity levels are higher in May at 87%, slightly tapering off in December to 82%. For a detailed look at December weather in El Calafate, you can visit El Calafate weather in December.
As May settles in El Calafate, the weather transforms significantly, reflecting the passage into cooler months. With temperatures dipping to an average of 4°C and occasional plunges to below freezing, visitors should prepare for brisk conditions unlike the milder preceding months. This drop in temperature is accompanied by increased precipitation, making May one of the wetter months with about half the days witnessing rain. While the humidity lingers at a high 87%, the lush scenery of the region enjoys a refreshing burst of life. For those interested in understanding how May's unpredictable weather compares to other months, a comprehensive overview can be found at El Calafate Climate.