Last updated: August 21, 2025
May in Salta, Argentina is characterized by a moderate and diverse climate. With maximum temperatures reaching up to 26°C (78°F) and an average hovering around 11°C (53°F), the weather presents a pleasant experience for both locals and visitors. However, nights can be chilly, dipping down to a minimum of 0°C (32°F). During this month, precipitation is significant, with about 120 mm (4.7 in) of rain spread over 14 days, contributing to a humidity level of 74%. This combination of warm days and cool nights, along with occasional rain, creates a unique atmosphere that defines the beauty of May in Salta.
In May, Salta, Argentina experiences a notable shift in temperatures as autumn settles in. The minimum temperature drops to 0°C (32°F), inviting a briskness in the air, while the average hovers around 11°C (53°F)—a comfortable respite from the warmer months. Daytime highs still reach a pleasant 26°C (78°F), allowing for enjoyable afternoons, especially for outdoor activities. This transitional month showcases a balance between the lingering warmth of late summer and the impending chill of winter, reflecting a broader trend of decreasing temperatures as the year progresses. The remarkable variation in May serves as a reminder of Salta's diverse climate, captivating visitors with its blend of seasonal charm.
In May, Salta experiences a notable drop in precipitation, receiving 120 mm (4.7 in) over approximately 14 days. This decline follows a series of wetter months; April had 223 mm (8.8 in), establishing a trend of diminishing rainfall as the region transitions into the drier months. While January through April are characterized by increased precipitation and frequent rainy days, May signals a shift toward a more moderate climate, preparing for the significantly lower rainfall seen in June and July. Such patterns highlight Salta's dynamic weather, where the lushness of early autumn gives way to the milder, drier conditions of late autumn.
In May, Salta experiences a notable drop in humidity, settling at 74% after months of higher levels that peak at 88% in March. This decline marks the transition into the drier winter months, with humidity levels continuing to decrease sharply in June to just 56%, indicating a seasonal shift. The trend of diminishing humidity from the peak summer months illustrates Salta's unique climate, where the lushness of the earlier year gives way to a more comfortable atmosphere. As summer's moisture recedes, May's relatively lower humidity invites residents and visitors alike to enjoy the region's scenic beauty with a refreshing crispness in the air.
In May, Salta experiences a notably lower UV Index of 9, categorizing it as very high and extending the safe burn time to 15 minutes. This decline from the extreme levels observed in earlier months signals a slight easing in sun intensity; however, caution remains imperative. A trend emerges as the UV Index gradually decreases toward winter, moving from January's extreme highs of 17 down to the more moderate levels of 6 by June. Despite this decrease, the sun's rays can still be deceptive, so it's essential to be mindful of sun exposure during your outdoor activities. For more detailed information, check out Salta UV Index.
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In Salta, Argentina, May brings a delightful continuation of sunshine, boasting 305 hours of radiant daylight. This month stands out, showing a consistent trend of ample sunshine that begins in January and peaks towards the end of the year. After a slight dip in April, May resurfaces with solid hours of sun, enhancing the region's natural beauty and vibrant culture. As the year progresses, sunlight hours generally increase, peaking in October with a remarkable 356 hours. Clearly, the sun shines favorably on Salta, inviting locals and visitors alike to enjoy its stunning landscapes during this bright spring month.
As we transition into May in Salta, Argentina, the likelihood of sunny weather significantly increases, boasting a notable 53% chance of sunshine. This marks a considerable jump from the preceding months of April and March, where the sun graced the skies only about a quarter of the time. Following this upward trend, June flourishes with a 64% chance, hinting at the onset of even sunnier days ahead. With July and August enjoying peak sunshine probabilities at 73% and 86%, respectively, May serves as a delightful precursor to the abundant warmth that characterizes the region's mid-year months. Planning a visit in May promises a greater opportunity to bask in the sun, making it an appealing time for outdoor explorations.
As the seasons transition in Salta, Argentina, daylight duration reveals a captivating rhythm. In May, the days shorten significantly to 10 hours, continuing the trend initiated in the preceding months. After basking in the abundant daylight of January and February, where hours stretch to 13 and 12 respectively, the gradual decline begins. April sees a modest 11 hours, signaling the impending winter months, which maintain the same duration in June and July. Interestingly, daylight begins to extend again in August and September, returning to 11 hours before climbing back to 12 hours by October and returning to 13 hours in the final months of the year. This ebb and flow not only marks the passage of time but also highlights how the vibrant culture of Salta adapts to the changing light.
In May, Salta experiences a consistent wind speed of 1.4 m/s (3 mph), maintaining the average seen throughout the earlier months of the year. This steadiness hints at the region's generally calm climatic conditions in late autumn. As spring fades into winter, wind speeds start to show a slight upward trend heading into the following months, with an increase to 1.5 m/s (3 mph) by August and climbing further in October to 1.7 m/s (4 mph). Overall, May stands out as a month of tranquility, perfectly capturing the gentle, refreshing breezes that often accompany the changing seasons in this beautiful Argentine locale.
Weather in Salta varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Salta, focusing on differences in temperature, rainfall, humidity, and UV levels.
May and January present distinctly different weather patterns. In May, temperatures range from a minimum of 0°C (32°F) to a maximum of 26°C (78°F), with an average of 11°C (53°F). This month sees about 120 mm (4.7 in) of precipitation over 14 days and maintains a humidity level of 74%. In contrast, January is generally warmer, with temperatures ranging from 10°C (51°F) to 29°C (85°F), averaging 19°C (66°F). The month is also wetter, receiving 241 mm (9.5 in) of rain across 22 days, accompanied by a higher humidity of 84%. For a closer look at January's conditions, check out Salta weather in January.
May and February present contrasting weather patterns. In May, temperatures range from a chilly minimum of 0°C (32°F) to a pleasant maximum of 26°C (78°F), with an average of 11°C (53°F). This month experiences moderate precipitation of 120 mm (4.7 in) over about 14 days, accompanied by a humidity level of 74%. In contrast, February boasts warmer temperatures with a minimum of 10°C (51°F) and a maximum of 28°C (83°F), averaging 17°C (64°F). However, it is also considerably wetter, with 267 mm (10.5 in) of rainfall over 24 days and higher humidity at 87%. For more details on February's weather, you can visit Salta weather in February.
In comparing the weather of May and March, we see notable differences in temperature and precipitation. May experiences a more moderate temperature range, with a minimum of 0°C (32°F) and a maximum of 26°C (78°F), averaging around 11°C (53°F). In contrast, March presents a warmer climate, with temperatures ranging from a minimum of 4°C (40°F) to a maximum of 29°C (84°F), averaging 16°C (61°F). Precipitation is also significantly higher in March, totaling 292 mm (11.5 in) over 24 days, compared to May's 120 mm (4.7 in) across 14 days. The humidity levels are higher in March at 88%, compared to May's 74%. For a more detailed look at March weather in Salta, check out Salta weather in March.
In comparing the weather of May and April, we see distinct differences in temperature and precipitation patterns. May experiences a wider range of temperatures, with minimums as low as 0°C (32°F) and maximums reaching 26°C (78°F), yielding an average of 11°C (53°F). In contrast, April is warmer overall, with minimum temperatures of 4°C (40°F) and an average of 14°C (58°F). precipitation is also notably higher in April, with 223 mm (8.8 in) of rain over 22 days compared to May's 120 mm (4.7 in) across 14 days, suggesting a drier month. Additionally, humidity levels are slightly lower in May at 74%, compared to April's higher 85%. For more detailed insights on April's weather, visit Salta weather in April.
In comparing the weather of May and June, May experiences a wider temperature range with a minimum of 0°C and an average of 11°C, while June's temperatures dip slightly with a minimum of -4°C and an average of 9°C. Both months see a maximum temperature of around 26°C, but May is notably wetter, receiving 120 mm of precipitation over 14 days compared to June's much drier 35 mm over just 7 days. Additionally, humidity levels are higher in May at 74%, while June sees a drop to 56%. For more specific details, you can check out Salta weather in June.
May and July present distinct weather patterns, showcasing the transition from spring to winter. In May, temperatures range from a chilly 0°C (32°F) overnight to a pleasant average of 11°C (53°F) during the day, with highs reaching up to 26°C (78°F). The month is characterized by significant precipitation, totaling 120 mm (4.7 in) over approximately 14 days, alongside a humidity level of 74%, making the air feel quite damp.
In contrast, July experiences cooler temperatures overall, with a minimum of -4°C (25°F) and an average of 9°C (48°F), while still allowing for maximum highs of 26°C (79°F). Precipitation drops dramatically to just 34 mm (1.3 in) across about 7 days, and the humidity decreases to 47%, providing a drier feel in comparison to May. For more details on July’s weather specifically, you can refer to Salta weather in July.
In comparison to May, August presents a cooler climate with minimum temperatures dipping to -4°C (25°F), as opposed to May's 0°C (32°F). The average temperature in August is slightly lower at 10°C (51°F), while the maximum can reach a comfortable 30°C (86°F), making for warm days. Precipitation also sees a notable decrease, with August recorded at only 41 mm (1.6 in) over just 6 days, compared to May's 120 mm (4.7 in) spread over 14 days. Additionally, humidity levels in August drop significantly to 44% from May's 74%, contributing to a drier feel during the month. For more detailed information on weather conditions, you can check Salta weather in August.
May and September exhibit distinct weather patterns, contrasting in both temperature and precipitation. In May, temperatures range from a chilly minimum of 0°C (32°F) to a moderate maximum of 26°C (78°F), with an average around 11°C (53°F). This month also sees considerable rainfall, averaging 120 mm (4.7 in) over 14 days, accompanied by relatively high humidity levels at 74%. In contrast, September experiences a slightly cooler minimum of -1°C (30°F) but can reach a warmer maximum of 31°C (88°F) and an average of 13°C (56°F). Additionally, September is characterized by significantly less precipitation, totaling 55 mm (2.2 in) over just 8 days, and lower humidity at 57%. For more information, you can check out Salta weather in September.
May and October present distinct contrasts in weather. In May, temperatures range from a chilly 0°C (32°F) at night to a mild 26°C (78°F) during the day, with an average of 11°C (53°F). The month is characterized by relatively high humidity at 74% and substantial precipitation, totaling 120 mm (4.7 inches) over 14 days. In contrast, October sees a slight increase in nighttime temperatures, starting at 3°C (37°F) and peaking at a warmer 32°C (90°F), with an average of 15°C (60°F). Although October experiences a bit more precipitation at 137 mm (5.4 inches) over 15 days, the humidity drops to a more comfortable 55%. For a closer look at October's weather specifics, you can check Salta weather in October.
In comparing May and November weather, we notice distinct differences in temperatures and precipitation patterns. May experiences a broader range of temperatures with minimums dropping to 0°C (32°F) and maximums reaching up to 26°C (78°F), while November is milder, with minimums around 7°C (45°F) and maximums peaking at 29°C (85°F). Precipitation is also notably higher in November, with 210 mm (8.2 in) over 18 days compared to May’s 120 mm (4.7 in) across 14 days. Despite the increased rainfall in November, humidity remains relatively consistent, hovering at 70% compared to May's 74%. For more details on the November climate, check out Salta weather in November.
May and December present notably different weather conditions. In May, temperatures range from a chilly 0°C (32°F) at night to a pleasant 26°C (78°F) during the day, with an average of 11°C (53°F). The month sees around 120 mm (4.7 in) of precipitation over 14 days, with humidity levels at 74%. In contrast, December offers warmer weather, with temperatures starting at a mild 7°C (45°F) and reaching up to 28°C (83°F), averaging 18°C (64°F). However, it also experiences significantly higher rainfall, with 278 mm (10.9 in) over 22 days and humidity slightly increasing to 77%. For more details on weather in December, you can visit Salta weather in December.
May in Salta presents a unique blend of mild temperatures and increased rainfall, setting it apart from the drier months of the year. While daytime highs are comfortably warm, the nights can dip to chilly lows, making layering essential for your wardrobe. This month also sees a rise in precipitation, with rain occurring on about half the days, contributing to the region's lush scenery. The humidity levels add a touch of softness to the air, enhancing the refreshing feel after the rain. Overall, May is a beautiful time to explore Salta’s stunning landscapes. For a more detailed understanding of the weather patterns throughout the year, check out Salta Climate.