Last updated: August 21, 2025
In May, San Miguel de Tucumán experiences a delightful transition into cooler weather, with average temperatures around 14°C (58°F), peaking at a comfortable 27°C (81°F). The month is characterized by a notable minimum temperature of 2°C (36°F), emphasizing the freshness of autumn. Rainfall is present, as 125 mm (4.9 in) of precipitation accumulates over 12 days, contributing to a relatively high humidity level of 75%. This combination of mild temperatures and increased moisture creates a refreshing atmosphere, ideal for enjoying the city's natural beauty and vibrant culture.
In May, San Miguel de Tucumán experiences a notable transition as temperatures drop, marking the onset of winter. The month starts with a minimum of 2°C (36°F), a significant shift from the milder evenings of previous months. Daytime temperatures are more moderate, averaging 14°C (58°F) and peaking at a still comfortable 27°C (81°F). This trend highlights a gradual cool-down following the warmer summer months, making May a refreshing time to explore the beauty of the Argentine countryside. As the month progresses, residents and visitors alike can enjoy the crisp air and clear skies, perfect for outdoor activities.
In May, San Miguel de Tucumán experiences a noticeable shift in precipitation patterns, with 125 mm (4.9 in) of rain, marking a decline from the wetter months preceding it. This drop aligns with only 12 rainy days, which is significantly fewer compared to the more substantial rainfall earlier in the year—278 mm (11.0 in) in February, for instance. As autumn settles in, May’s softer rainfall contrasts sharply with the deluge of summer, suggesting a transitional phase where the landscape begins to dry out, paving the way for the drier months ahead. With each passing month, the decreasing precipitation not only affects local flora and fauna but also alters the everyday rhythms of life in this vibrant Argentine city.
In May, San Miguel de Tucumán experiences a notable shift in humidity, dropping to 75% after reaching a peak in the preceding months. This change reflects a gradual transition from the region's more humid summer months, which average in the high seventies to mid-eighties, down toward the drier conditions of winter. As the humidity decreases, the air feels crisper, lending a refreshing quality to the atmosphere. This trend continues into June and July, with humidity levels further declining to 62% and 53%, respectively. Overall, May acts as a bridge, where the lingering warmth of late autumn dances with an emerging dry chill, perfectly illustrating the shifting climate profile of the region.
In May, San Miguel de Tucumán experiences a notable shift in its UV Index, with a reading of 7 that categorizes the exposure as high. This is a marked decrease from the extreme levels observed earlier in the year, particularly from January to March when the UV Index soared to 15. As the seasons transition, the recommended burn time increases to a safer 25 minutes in May, allowing for more outdoor enjoyment while still emphasizing the need for protection against the sun's harmful rays. This trend reflects a gradual moderation of UV exposure as winter approaches, making it crucial for residents and visitors alike to stay informed on sun safety. For more details on the UV Index throughout the year, check the resource here: San Miguel de Tucuman UV Index.
UV Risk Categories
In San Miguel de Tucumán, the month of May experiences a gentle transition as the days begin to shorten, offering a delightful 228 hours of sunshine. As spring unfolds, this marks a slight dip in sunlight compared to the sunnier months of January through April, where the city basked in 255 to 270 hours. Yet, this moderate sunshine sets the stage for lush greenery and vibrant blooms, typical of the season. The following months, especially August, see a significant increase, reaching 301 hours. This pattern showcases a dynamic climate, where the abundant sunshine during the year creates a balanced rhythm, perfect for enjoying both the warmth of late spring and the vibrant transformations of nature as summer approaches.
May in San Miguel de Tucumán marks a delightful transition into sunnier weather, boasting a noteworthy 62% chance of sunshine. This increase is particularly refreshing compared to previous months like January, March, and April, which hover around the lower 40s. The trend continues upward into June and July, where the likelihood of sun escalates further, reaching a peak of 75% in July. This upward trajectory not only highlights May as a vibrant month for outdoor activities but also hints at the approaching dry season, characterized by high sunshine frequency in the subsequent months of August and beyond. Overall, May stands out as an inviting month for those looking to bask in the warmth of the sun.
In San Miguel de Tucumán, Argentina, the daylight duration experiences a gradual decline as the year progresses towards winter. Starting from a generous 13 hours in January, daylight diminishes consistently through the months, falling to 10 hours by May and remaining steady through June and July. This period of shorter days marks the peak of winter, after which a slight resurgence begins in August with 11 hours of daylight. Come spring in October, the hours begin to grow again, returning to 12 hours, and finally reaching back to 13 hours by December. This cyclical pattern not only highlights the transition of seasons but also contributes to the vibrant agricultural and cultural rhythms of the region.
In San Miguel de Tucumán, May brings a subtle breeze, with an average wind speed of 1.5 m/s (3 mph), mirroring the calm experienced earlier in the year. As we transition from April, the winds hold steady, offering a gentle touch that complements the region's vibrant landscapes. Interestingly, the wind speeds begin to show a gradual upward trend as the year progresses, with July and August marking a noticeable increase to 1.6 m/s (4 mph) and 1.7 m/s (4 mph), respectively. This slight escalation hints at the changing seasons, as the warm months give way to the cooler, breezier days ahead. Thus, while May enjoys a tranquil atmosphere, it paves the way for a windier experience in the upcoming months, inviting all to revel in the evolving climate of Tucumán.
Weather in San Miguel de Tucuman varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in San Miguel de Tucuman, focusing on differences in temperature, rainfall, humidity, and UV levels.
When comparing the weather in May and January, it's evident that January is significantly warmer, with average temperatures ranging from a low of 12°C (54°F) to a high of 37°C (99°F), while May sees temperatures from a minimum of 2°C (36°F) to a maximum of 27°C (81°F). Moreover, January experiences more rainfall, totaling 232 mm (9.1 in) over 16 days, compared to May, which has 125 mm (4.9 in) of precipitation across 12 days. The humidity levels are relatively similar, with January at 79% and May at 75%. For a detailed look at January weather, you can click here: San Miguel de Tucuman weather in January.
When comparing the weather in May and February, distinct contrasts emerge. February is warmer, with average temperatures ranging from a minimum of 12°C (54°F) to a maximum of 34°C (94°F), while May experiences a significant drop, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 27°C (81°F). Additionally, February is wetter, receiving 278 mm (11.0 in) of precipitation over 15 days compared to May's 125 mm (4.9 in) over 12 days. Humidity levels are also slightly higher in February at 81% compared to May's 75%. For more detailed insights, you can refer to San Miguel de Tucuman weather in February.
When comparing the weather in May and March, several key differences stand out. May features cooler temperatures with a minimum of 2°C (36°F) and an average of 14°C (58°F), reaching a maximum of 27°C (81°F). In contrast, March is generally warmer, starting with a minimum of 8°C (48°F) and averaging 20°C (69°F), soaring up to a maximum of 33°C (91°F). Additionally, March experiences more precipitation, totaling 219 mm (8.6 in) over 17 days, compared to May's 125 mm (4.9 in) spread across 12 days. The humidity in March is also slightly higher at 83%, compared to May's 75%. For a more detailed look at the specific conditions, check out San Miguel de Tucuman weather in March.
When comparing the weather in May to that of April, several notable differences emerge. May experiences slightly cooler temperatures, with average values ranging from a minimum of 2°C (36°F) to a maximum of 27°C (81°F), while April tends to be warmer, with temperatures fluctuating between 7°C (44°F) and 30°C (87°F). Additionally, May sees less precipitation, measuring 125 mm (4.9 in) over 12 days, compared to April's 184 mm (7.3 in) across 16 days, indicating a drier month overall. Humidity is also marginally lower in May at 75%, in contrast to April's 85%. For more detailed insights about April's weather, you can check San Miguel de Tucuman weather in April.
May and June present distinct weather patterns. In May, temperatures range from a minimum of 2°C (36°F) to a comfortable average of 14°C (58°F), peaking at a warm 27°C (81°F). This month also sees higher precipitation levels of 125 mm (4.9 in) over about 12 days, contributing to a relatively high humidity of 75%. In contrast, June features slightly cooler temperatures, with a minimum of -2°C (29°F), an average of 11°C (53°F), and a maximum of 26°C (79°F). Rainfall decreases significantly to 52 mm (2.0 in) over just 8 days, resulting in a drop in humidity to 62%. For more details, check out San Miguel de Tucuman weather in June.
When comparing the weather in May and July, several key differences emerge. May experiences a warmer average temperature of 14°C (58°F) with maximums reaching up to 27°C (81°F). In contrast, July sees a cooler average of 11°C (52°F), with minimum temperatures occasionally dropping to -1°C (30°F). Additionally, May is considerably wetter, receiving 125 mm (4.9 in) of precipitation over 12 days, while July only has 27 mm (1.1 in) across just 6 days. Furthermore, the humidity is higher in May at 75%, compared to July's 53%. For those interested in more detailed information, you can visit San Miguel de Tucuman weather in July.
May and August present contrasting weather profiles. In May, temperatures average around 14°C (58°F), with minimums reaching 2°C (36°F) and maximums peaking at 27°C (81°F). The month is characterized by significant rainfall, totaling 125 mm (4.9 in) over approximately 12 days, coupled with high humidity at 75%. In contrast, August offers more stable weather conditions, with an average temperature still around 14°C (57°F) but with lower extremes of 0°C (32°F) and a higher maximum of 33°C (91°F). Precipitation drops dramatically to just 17 mm (0.7 in), occurring on only 3 days, while humidity decreases to 44%. For more detailed information, check San Miguel de Tucuman weather in August.
May and September showcase distinct weather characteristics, reflecting the transition from spring to late winter. In May, temperatures range from a cool 2°C (36°F) to a comfortable 27°C (81°F), with an average of 14°C (58°F). The month also sees considerable rainfall, totaling 125 mm (4.9 in) over approximately 12 days, and humidity levels remain high at 75%. In contrast, September experiences slightly warmer average temperatures, with a range from 2°C (36°F) to a maximum of 35°C (95°F) and an average of 17°C (63°F). Rainfall drops significantly to 57 mm (2.3 in) over just 7 days, with humidity decreasing to 58%. This shift marks September as a drier, warmer month compared to May. For more details, you can check San Miguel de Tucuman weather in September.
When comparing the weather in May and October, a noticeable difference in temperature and humidity emerges. May experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 14°C (58°F), while October sees slightly warmer conditions, starting at 6°C (43°F) and averaging 19°C (67°F). Additionally, the maximum temperature in October can reach a sweltering 38°C (100°F), contrasting sharply with May's peak of 27°C (81°F). Both months receive similar levels of precipitation, around 125 mm (4.9 in) in May and 116 mm (4.6 in) in October, but May tends to be more humid at 75%, compared to 54% in October. For more details on the October climate, you can check San Miguel de Tucuman weather in October.
May and November present contrasting weather patterns in San Miguel de Tucumán. In May, temperatures range from a minimum of 2°C (36°F) to a maximum of 27°C (81°F), with an average of 14°C (58°F). This month experiences significant precipitation, totaling 125 mm (4.9 in) over 12 days, and humidity is relatively high at 75%. In contrast, November showcases warmer conditions with minimum temperatures around 9°C (49°F) and maximums soaring to 37°C (100°F), averaging 22°C (71°F). Precipitation increases to 178 mm (7.0 in) over the same number of rainy days, but humidity drops to 66%. For a more detailed look at November weather, visit San Miguel de Tucuman weather in November.
May and December in San Miguel de Tucumán present distinct weather patterns. In May, the temperatures range from a cool 2°C (36°F) at night to a comfortable average of 14°C (58°F), peaking at 27°C (81°F) during the day. The month sees about 125 mm (4.9 in) of rainfall spread over 12 days, with humidity levels around 75%. In contrast, December is significantly warmer, with temperatures ranging from a minimum of 12°C (54°F) to an average of 23°C (73°F), reaching highs of 38°C (100°F). The precipitation increases to 193 mm (7.6 in) over 17 days, while humidity remains relatively stable at 74%. For more detailed insights, check out San Miguel de Tucuman weather in December.
As May unfolds in San Miguel de Tucuman, the weather presents a refreshing shift from the warmer months that precede it. While daytime temperatures remain pleasantly mild, averaging around 14°C, the nights can dip quite low, offering a stark contrast that adds a cool ambiance to the evenings. This month also ushers in a noticeable increase in precipitation, with rain gracing about half the days, making the landscape lush and vibrant. The humidity levels tend to rise, contributing to a rich, fragrant atmosphere filled with the essence of blooming flora. For a more comprehensive understanding of how these weather patterns shape the region, explore our detailed page on San Miguel de Tucuman Climate.