May Weather in Santa Fe, Argentina

Last updated: August 21, 2025

In Santa Fe, Argentina, May brings a delightful transition into the cooler months, with average temperatures hovering around 15°C (60°F). Daytime highs can reach a pleasant 29°C (85°F), while nighttime can dip to a crisp 1°C (34°F). Despite the comfort of mild days, residents should prepare for some rain, as May sees approximately 83 mm (3.3 in) of precipitation over about 7 days, accompanied by high humidity levels at 83%. This blend of weather conditions makes May a unique time to experience the vibrant changes of the season in Santa Fe.

May Temperature in Santa Fe

In May, temperatures in Santa Fe, Argentina, mark a notable shift as the city transitions into cooler months. With minimums dipping to around 1°C (34°F), the average temperature settles at a brisk 15°C (60°F), providing a refreshing contrast to the warmer earlier months. Daytime highs can reach up to 29°C (85°F), hinting at the lingering warmth of the late autumn sun. This month encapsulates a typical late fall experience, where mornings are crisp and pleasant afternoons invite outdoor activities, making it an ideal time to explore the city's vibrant culture before the chill of winter sets in.

May Weather in Santa Fe: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Santa Fe, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Santa Fe, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec787672676055535662667276
Data source: Temperature data for Santa Fe generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Santa Fe

In May, Santa Fe experiences a moderate precipitation of 83 mm (3.3 in) spread across approximately 7 days, maintaining a consistent rhythm seen in the preceding months. This month marks a slight decrease from the rainfall of April, which saw 103 mm (4.1 in), reflecting a gradual transition toward the drier winter months. As the city shifts into June, where precipitation dips further to 45 mm (1.8 in), May serves as a bridge in the annual rainfall cycle, balancing the liberating showers of summer with the aridity of the colder season ahead. Overall, the precipitation patterns of May continue to underscore Santa Fe's characteristic variability, combining both sustenance for its lush landscapes and a welcome respite before the winter dry spell.

May Precipitation Trends in Santa Fe

The chart displays monthly precipitation patterns in Santa Fe, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Santa Fe, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec1256110510383453628511087597
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Santa Fe

In May, Santa Fe, Argentina, experiences a notable shift in its humidity levels, reaching an average of 83%. This figure marks a significant increase from the preceding months, particularly juxtaposed against April's 76%. As the region transitions from the warm summer months into the cooler autumn season, the rising humidity can create a distinctly more saturated atmosphere. Following May, humidity begins to taper off slightly during June, dropping to 78%, before plunging to 58% by July. Overall, this trend highlights a mid-year peak in humidity, indicative of late autumn's embrace, while hinting at the upcoming dryness of the winter months.

May Average Humidity in Santa Fe

This chart illustrates the average monthly humidity levels in Santa Fe, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Santa Fe is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%57%65%76%83%78%58%54%59%50%53%57%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Santa Fe

In May, Santa Fe experiences a notable shift in UV exposure, with the UV Index dropping to 6, indicating a high risk level for sunburn. This is a welcome respite from the intense January through March months, where values soared to 14 and consistently demanded caution due to extreme exposure. As the seasons transition, the burn time increases to 25 minutes, offering a bit more leeway for outdoor activities. Following May, the UV Index gradually lowers to 4 in June, marking a shift to moderate exposure. For those planning to bask in the May sun in Santa Fe, it's essential to stay informed and protected: understand the risks and enjoy the warmth responsibly. For more detailed information, visit Santa Fe UV Index.

Maximum UV Index Levels in Santa Fe for May

The chart shows the monthly maximum UV Index (UVI) for Santa Fe in May, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In May, the maximum UV index in Santa Fe typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec141311864569111414
Data source: Santa Fe May UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

May Sunshine in Santa Fe

As winter approaches in Santa Fe, Argentina, May brings a modest 228 hours of sunshine, marking a gradual decline in daylight from the vibrant summer months. Following the sunniest peak in January, which boasts 293 hours, the daylight hours wane steadily, with April experiencing 269 hours before dipping further in May. This pattern of decreasing sunlight continues into the cooler months, with June seeing a low of 217 hours. However, the following months hint at a brighter future, as the sun returns in July and August, with sunny days becoming more plentiful again. The consistent influx of sunlight throughout the year highlights Santa Fe's dynamic climate, offering a balance of sun and shade that shapes the beauty of its seasons.

Monthly Sunshine Duration in Santa Fe: May Highlighted

The May sunshine duration represents the total number of hours Santa Fe experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec293h315h311h269h228h217h235h284h278h313h347h378h
Data source: Santa Fe May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Santa Fe During May

In Santa Fe, Argentina, May sees a 62% chance of sunny weather, aligning closely with the sunny disposition of earlier months like January and April. While March dips to 48%, the trend shows a resilient return to brightness as the seasons transition. Following May, the likelihood of sunny days begins to wane slightly, with June experiencing a 52% chance, before reviving in the height of winter months like July and August. Overall, May serves as a delightful bridge, allowing residents and visitors to enjoy the last vestiges of autumn sunshine before the cooler months settle in.

Percentage of Sunny Days in May in Santa Fe

The chart illustrates the percentage of sunny days in Santa Fe throughout the year, with May highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Santa Fe experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec62%68%48%65%62%52%74%78%51%74%64%74%
Data source: Santa Fe May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Santa Fe in May

In Santa Fe, Argentina, the daylight duration exhibits a rhythmic ebb and flow throughout the year. January and February bask in 13 hours of daylight, inviting long, sun-soaked days perfect for outdoor activities. As March progresses, daylight starts to wane, dropping to 12 hours before the shift becomes more pronounced in April with just 11 hours. By May, the city experiences a further reduction to 10 hours of daylight, as winter approaches. This trend continues through June, July, and August, with daylight holding steady at 10 hours. However, as spring arrives in September, a gradual increase begins, leading to 11 hours in that month and subsequently 12 hours in October. The cycle closes with November bringing back 13 hours and December culminating in a generous 14 hours of daylight, showcasing Santa Fe's seasonal transformation and the comfort of longer days just in time for summer celebrations.

Average Daylight Hours in Santa Fe for May

The chart illustrates the variation in daylight duration in Santa Fe throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec13h 55m13h 10m12h 13m11h 16m10h 28m10h 5m10h 18m10h 59m11h 54m12h 52m13h 43m14h 9m
Data source: Santa Fe daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Santa Fe

In May, the winds in Santa Fe, Argentina, begin to pick up slightly, with an average speed of 3.1 m/s (7 mph). This marks a gentle increase compared to the previous months of April, when the winds were at 2.8 m/s (6 mph), and March, maintaining a steady calm. As the city transitions into winter, June follows closely with a stable average of 3.0 m/s (7 mph). These trends suggest that while May’s breezes are mild, the progression into the colder months brings a slight uptick in wind speed, hinting at the changing seasons. Overall, May serves as a bridge between the gentler winds of early autumn and the more pronounced gusts of winter, inviting residents to enjoy the transition outdoors.

Average May Wind Speed in Santa Fe

The chart displays monthly wind speed patterns in Santa Fe, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.22.72.72.83.1 m/s3.03.43.13.83.23.52.9
Data source: Santa Fe May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Santa Fe Compares to Other Months

Weather in Santa Fe varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Santa Fe, focusing on differences in temperature, rainfall, humidity, and UV levels.

May and January showcase a striking contrast in weather patterns. In May, temperatures range significantly, with a minimum of 1°C (34°F) and a maximum of 29°C (85°F), averaging around 15°C (60°F). The month experiences a total precipitation of 83 mm (3.3 in) over approximately 7 days, accompanied by high humidity at 83%. In comparison, January boasts much warmer temperatures, with a minimum of 13°C (55°F) and a maximum soaring to 41°C (106°F), averaging 26°C (78°F). January also sees increased rainfall, totaling 125 mm (4.9 in) over 7 days, but the humidity is notably lower at 51%. For further details on January weather, you can visit Santa Fe weather in January.

When comparing the weather in May and February, there are notable differences in temperature and humidity. May experiences cooler temperatures with a minimum of 1°C (34°F) and an average of 15°C (60°F), while February boasts warmer conditions, ranging from a minimum of 11°C (51°F) to an average of 24°C (76°F) and peaking at a maximum of 37°C (98°F). Additionally, May tends to be more humid, with humidity levels reaching 83% compared to February's 57%. Precipitation is slightly higher in May, with 83 mm (3.3 in) over 7 days, compared to February's 61 mm (2.4 in) during the same number of days. For further details on February weather, visit Santa Fe weather in February.

May and March present distinct weather patterns that significantly impact outdoor activities and daily life. In May, temperatures range from a chilly 1°C (34°F) at night to a warm 29°C (85°F) during the day, averaging around 15°C (60°F). This month also sees about 83 mm (3.3 in) of precipitation over 7 days, with a high humidity level of 83%. In contrast, March boasts milder minimum temperatures of 9°C (48°F) and can reach a scorching high of 36°C (97°F), averaging 22°C (72°F). It experiences slightly higher precipitation at 105 mm (4.1 in) over 8 days, but with a lower humidity of 65%. For a more detailed comparison, check out Santa Fe weather in March.

In comparing the weather of April and May, we notice some significant differences. April typically experiences warmer conditions, with average temperatures around 20°C (68°F) and highs reaching up to 35°C (95°F). In contrast, May's temperatures are cooler, averaging 15°C (60°F) with maximums of 29°C (85°F) and a noticeable drop in minimum temperatures to 1°C (34°F). Precipitation levels are also noteworthy; April sees slightly more rainfall at 103 mm (4.1 in) over 8 days, while May has 83 mm (3.3 in) spread over 7 days. Additionally, humidity is higher in May at 83%, compared to April's 76%. For more details on the climate during April, you can visit Santa Fe weather in April.

May and June present contrasting weather patterns, with May experiencing warmer temperatures overall. In May, temperatures range from a minimum of 1°C (34°F) to a maximum of 29°C (85°F), averaging 15°C (60°F) and accompanied by 83 mm (3.3 in) of precipitation over seven days and a humidity level of 83%. In contrast, June sees slightly cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 27°C (81°F), averaging just 13°C (55°F). The month also enjoys less rainfall, with only 45 mm (1.8 in) of precipitation occurring over five days and humidity slightly lower at 78%. For those interested in more specifics about June weather, they can refer to Santa Fe weather in June.

In comparing the weather between May and July, May generally presents a more temperate climate with average temperatures around 15°C (60°F), experiencing a slightly wider range from a chilly minimum of 1°C (34°F) to a warm maximum of 29°C (85°F). This month also sees higher precipitation levels at 83 mm (3.3 in) over approximately 7 days, coupled with a high humidity of 83%. In contrast, July tends to be cooler, with an average temperature of 12°C (53°F) and a minimum temperature dropping to -2°C (29°F). The total precipitation in July is significantly lower at 36 mm (1.4 in), occurring over just 4 days, and the humidity decreases to 58%. For more detailed weather information, you can visit Santa Fe weather in July.

May and August present contrasting weather patterns. In May, temperatures range from a chilly 1°C (34°F) at night to a warm 29°C (85°F) during the day, with an average of 15°C (60°F). This month is marked by higher humidity at 83% and significant rainfall, with around 83 mm (3.3 in) falling over approximately 7 days. In contrast, August sees slightly cooler temperatures, with a low of 0°C (32°F) and a high of 32°C (89°F), averaging around 14°C (57°F). The month is much drier, with only 27 mm (1.1 in) of precipitation over just 4 days and lower humidity at 54%. For more details on the specifics of August weather, check out Santa Fe weather in August.

In comparing the weather of May and September, May presents a slightly cooler climate with average temperatures ranging from 1°C (34°F) to a maximum of 29°C (85°F), while September experiences temperatures between 2°C (35°F) and a higher peak of 35°C (95°F). May also has a higher level of precipitation, with about 83 mm (3.3 in) falling over approximately 7 days, compared to September's 51 mm (2.0 in) over just 5 days. Additionally, the humidity in May is notably higher at 83%, making it feel more sultry, whereas September boasts a more comfortable humidity level of 59%. For a detailed overview of September's climate, you can check Santa Fe weather in September.

In May, temperatures range from a chilly 1°C (34°F) at night to a warm 29°C (85°F) during the day, with an average of 15°C (60°F). The month sees a decent amount of rain, totaling 83 mm (3.3 in) over about seven days, along with high humidity at 83%. In contrast, October features milder temperatures, with nighttime lows of 5°C (41°F) and daytime highs reaching up to 37°C (100°F), averaging 19°C (66°F). October experiences slightly more rainfall at 108 mm (4.2 in) over eight days, while humidity drops significantly to 50%. For a more detailed look at October's weather, you can visit Santa Fe weather in October.

May and November exhibit distinct weather patterns, reflecting their transition into different seasons. In May, temperatures range from a cool minimum of 1°C (34°F) to a pleasant average of 15°C (60°F), peaking at a warm 29°C (85°F). This month experiences higher humidity at 83% and receives 83 mm (3.3 in) of rainfall over about 7 days. In contrast, November is notably warmer, with minimum temperatures starting at 9°C (48°F) and averaging 22°C (72°F), while maximums can soar to 38°C (101°F). It has slightly less precipitation at 75 mm (2.9 in) over around 6 days, accompanied by lower humidity levels at 53%. For more detailed information, you can check Santa Fe weather in November.

May and December present contrasting weather patterns in terms of temperature and humidity. In May, temperatures range from a chilly 1°C (34°F) at night to a warm average of 15°C (60°F) during the day, peaking at 29°C (85°F). The month also experiences significant precipitation of 83 mm (3.3 in) over about 7 days, coupled with high humidity levels at 83%. In contrast, December sees much warmer temperatures, with a minimum of 10°C (51°F) and an average of 24°C (76°F), reaching a scorching maximum of 38°C (101°F). Although December's precipitation is slightly higher at 97 mm (3.8 in), the humidity drops to a more comfortable 57%. For more specific insights into December weather, you can visit Santa Fe weather in December.

Compare Santa Fe's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Santa Fe

As the vibrant colors of May unfold in Santa Fe, the weather offers a delightful contrast to the preceding months. With pleasantly mild temperatures averaging around 15°C, this month is a breath of fresh air compared to the hotter peaks of summer. Although occasional rain adds a refreshing touch, with around 83 mm of precipitation across approximately 7 days, the overall humidity remains high, contributing to a lush and vibrant landscape. Unlike the more extreme weather seen in other seasons, May strikes a lovely balance, inviting both locals and visitors to enjoy the outdoors. For a deeper look into the climatic patterns of this charming city, visit Santa Fe Climate.