Last updated: August 22, 2025
In May, the average temperature in San Lorenzo, Argentina hovers around 15°C (59°F). Expect a range where minimum temperatures can dip to -1°C (30°F), while maximums can soar up to 29°C (84°F). During this period, you can anticipate precipitation totaling 69 mm (2.7 in) over approximately 7 days, contributing to an average humidity level of 82%. Whether you're exploring the outdoors or cozying up inside, be prepared for a mix of weather!
In May in San Lorenzo, the average temperature is 15°C (59°F), with maximums reaching up to 29°C (84°F) and minimums dropping as low as -1°C (30°F). This makes it a perfect time for travelers to experience a range of weather conditions, so be sure to pack accordingly!
In San Lorenzo in May, the precipitation amount is 69 mm (2.7 in) over the course of 7 days.
In San Lorenzo in May, humidity is 82%. With an average temperature of 15°C (59°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities feel sticky and uncomfortable for travelers.
In San Lorenzo in May, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in San Lorenzo.
UV Risk Categories
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.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 25°C (78°F) | 117 mm (4.6 inches) | 48% | extreme |
| February Weather | 24°C (75°F) | 52 mm (2.0 inches) | 55% | extreme |
| March Weather | 22°C (71°F) | 100 mm (3.9 inches) | 64% | extreme |
| April Weather | 19°C (67°F) | 139 mm (5.5 inches) | 76% | very high |
| May Weather | 15°C (59°F) | 69 mm (2.7 inches) | 82% | moderate |
| June Weather | 12°C (54°F) | 34 mm (1.4 inches) | 77% | moderate |
| July Weather | 11°C (52°F) | 28 mm (1.1 inches) | 62% | moderate |
| August Weather | 13°C (56°F) | 34 mm (1.4 inches) | 59% | high |
| September Weather | 16°C (61°F) | 56 mm (2.2 inches) | 62% | very high |
| October Weather | 18°C (65°F) | 66 mm (2.6 inches) | 52% | extreme |
| November Weather | 22°C (72°F) | 82 mm (3.2 inches) | 56% | extreme |
| December Weather | 24°C (75°F) | 78 mm (3.1 inches) | 51% | extreme |