Last updated: August 22, 2025
In Santa Maria, Argentina, the average temperature for May is a mild 10°C (51°F). Expect a minimum of -4°C (25°F) and a maximum of 27°C (80°F), providing a diverse range of weather. Precipitation is minimal, with an average of just 3 mm (0.1 in) over 0 days, and the average humidity sits at a comfortable 75%.
In May in Santa Maria, the average temperature is 10°C (51°F). The maximum can reach 27°C (80°F) and the minimum can be as low as -4°C (25°F). Be prepared for a range of temperatures when traveling, as you may need both light clothing for warm days and warmer layers for chilly nights.
In Santa Maria in May, the precipitation amount is 3 mm (0.1 in) during a total of 0 days.
In Santa Maria in May humidity is 75%. With an average temperature of 10°C (51°F), this humidity feels like a heavy blanket wrapping around you, making every step outside feel laborious and damp, perfect for cozy indoor exploration but challenging for outdoor adventures.
In Santa Maria in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Santa Maria.
UV Risk Categories
Weather in Santa Maria varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Santa Maria, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 17°C (63°F) | 57 mm (2.3 inches) | 79% | extreme |
| February Weather | 16°C (61°F) | 55 mm (2.2 inches) | 81% | extreme |
| March Weather | 15°C (59°F) | 30 mm (1.2 inches) | 83% | extreme |
| April Weather | 13°C (56°F) | 19 mm (0.8 inches) | 85% | extreme |
| May Weather | 10°C (51°F) | 3 mm (0.1 inches) | 75% | very high |
| June Weather | 8°C (47°F) | 3 mm (0.1 inches) | 62% | high |
| July Weather | 8°C (47°F) | 2 mm (0.1 inches) | 53% | very high |
| August Weather | 9°C (48°F) | 3 mm (0.1 inches) | 44% | very high |
| September Weather | 12°C (53°F) | 5 mm (0.2 inches) | 58% | extreme |
| October Weather | 14°C (58°F) | 10 mm (0.4 inches) | 54% | extreme |
| November Weather | 15°C (60°F) | 23 mm (0.9 inches) | 66% | extreme |
| December Weather | 16°C (61°F) | 36 mm (1.4 inches) | 74% | extreme |