Last updated: August 27, 2025
In May, the average temperature in Buenos Aires (San Isidro), Mexico reaches a warm 28°C (83°F). Temperatures can range from a refreshing 18°C (64°F) at their lowest to a sweltering 39°C (102°F) at their peak. With 112 mm (4.4 in) of precipitation spread over 12 days, it's a moist and humid time of year, boasting an average humidity of 82%. Enjoy the tropical climate!
In May in Buenos Aires (San Isidro), the average temperature is 28°C (83°F). Maximum temperatures can reach 39°C (102°F), while minimums can drop to as low as 18°C (64°F). This makes it an ideal time for travelers looking for warm weather while enjoying both the heat of the day and cooler evenings.
In Buenos Aires (San Isidro) in May, the total precipitation amount is 112 mm (4.4 in), falling over the course of 12 days.
In Buenos Aires (San Isidro) in May, humidity is 82%. With an average temperature of 28°C (83°F), this humidity feels like stepping into a warm, damp embrace, which can make traveling feel heavy and exhausting, as every movement can be met with a sticky veil of moisture that clings to the skin.
In Buenos Aires (San Isidro) in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Buenos Aires (San Isidro).
UV Risk Categories
Weather in Buenos Aires (San Isidro) varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Buenos Aires (San Isidro), focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 20°C (68°F) | 55 mm (2.1 inches) | 88% | high |
| February Weather | 21°C (71°F) | 35 mm (1.4 inches) | 86% | very high |
| March Weather | 23°C (74°F) | 47 mm (1.8 inches) | 83% | extreme |
| April Weather | 26°C (79°F) | 66 mm (2.6 inches) | 80% | extreme |
| May Weather | 28°C (83°F) | 112 mm (4.4 inches) | 82% | extreme |
| June Weather | 28°C (83°F) | 189 mm (7.4 inches) | 79% | extreme |
| July Weather | 28°C (83°F) | 144 mm (5.7 inches) | 72% | extreme |
| August Weather | 29°C (84°F) | 180 mm (7.1 inches) | 74% | extreme |
| September Weather | 28°C (82°F) | 216 mm (8.5 inches) | 84% | extreme |
| October Weather | 26°C (79°F) | 195 mm (7.7 inches) | 92% | extreme |
| November Weather | 23°C (73°F) | 77 mm (3.0 inches) | 91% | very high |
| December Weather | 21°C (69°F) | 23 mm (0.9 inches) | 91% | high |