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May Weather in San Lorenzo, Argentina

Last updated: August 22, 2025

In May, the average temperature in San Lorenzo, Argentina hovers around 18°C (64°F). Expect a minimum chill of 4°C (39°F) and the heat can peak at 32°C (89°F). With an average humidity of 84%, the atmosphere feels quite muggy. Be prepared for 125 mm (4.9 in) of rainfall spread over 9 days, adding a splash of unpredictability to your plans!

May Temperature in San Lorenzo

In May in San Lorenzo, the average temperature is 18°C (64°F). Maximums can reach 32°C (89°F), and minimums can be as low as 4°C (39°F). This makes it an ideal time for travelers seeking pleasant weather and a variety of outdoor activities.

May Weather in San Lorenzo: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Lorenzo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Lorenzo, May typically has an average temperature of 18°C (64°F), with highs reaching up to 32°C (89°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec817976716460596367727679
Data source: Temperature data for San Lorenzo 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 San Lorenzo

In San Lorenzo in May, the total precipitation amount is 125 mm (4.9 in) recorded over a span of 9 days.

May Precipitation Trends in San Lorenzo

The chart displays monthly precipitation patterns in San Lorenzo, 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 San Lorenzo, May typically receives around 125 mm (4.9 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec166681311361256139429811514290
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Lorenzo

In San Lorenzo in May humidity is 84%. With an average temperature of 18°C (64°F), this humidity feels like there's a heavy blanket wrapping around you, making travel feel a bit sticky and muggy, potentially leading to fatigue if you're not prepared.

May Average Humidity in San Lorenzo

This chart illustrates the average monthly humidity levels in San Lorenzo, 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 San Lorenzo is approximately 84%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec66%61%71%81%84%76%64%46%55%57%59%75%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Lorenzo

In San Lorenzo in May, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in San Lorenzo, you can refer to this Hourly UV Index in San Lorenzo.

Maximum UV Index Levels in San Lorenzo for May

The chart shows the monthly maximum UV Index (UVI) for San Lorenzo 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 San Lorenzo typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec15141210655710121414
Data source: San Lorenzo 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.

How May Weather in San Lorenzo Compares to Other Months

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

This table compares monthly weather conditions in San Lorenzo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather27°C (82°F)166 mm (6.5 inches)66%extreme
February Weather26°C (80°F)68 mm (2.7 inches)61%extreme
March Weather24°C (76°F)131 mm (5.2 inches)71%extreme
April Weather21°C (71°F)136 mm (5.4 inches)81%very high
May Weather18°C (64°F)125 mm (4.9 inches)84%high
June Weather16°C (60°F)61 mm (2.4 inches)76%moderate
July Weather15°C (59°F)39 mm (1.5 inches)64%moderate
August Weather17°C (63°F)42 mm (1.7 inches)46%high
September Weather20°C (68°F)98 mm (3.9 inches)55%very high
October Weather22°C (72°F)115 mm (4.5 inches)57%extreme
November Weather24°C (76°F)142 mm (5.6 inches)59%extreme
December Weather26°C (79°F)90 mm (3.5 inches)75%extreme

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