Last updated: August 22, 2025
In May, the average temperature in Santa Maria, Argentina is a pleasant 18°C (64°F). However, be prepared for a range, as temperatures can dip to a chilly 5°C (42°F) or soar to a warm 32°C (90°F). During this month, expect about 188 mm (7.4 in) of precipitation spread over 11 days, accompanied by a high average humidity of 82%. Perfect weather for those who appreciate a mix of warmth and a bit of rain!
In May in Santa Maria, the average temperature is 18°C (64°F). Maximum temperatures can reach 32°C (90°F), while minimums can drop as low as 5°C (42°F). This makes Santa Maria a great destination for travelers seeking a mix of warm days and cooler evenings.
In Santa Maria in May, the precipitation amount is 188 mm (7.4 in) over the course of 11 days.
In Santa Maria in May humidity is 82%. With an average temperature of 18°C (64°F), this humidity feels like a warm, muggy embrace that can make exploring the area feel stifling, leaving travelers drenched in sweat and longing for respite in the shade.
In Santa Maria 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 Santa Maria, you can refer to this 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 | 27°C (80°F) | 171 mm (6.8 inches) | 70% | extreme |
| February Weather | 26°C (78°F) | 99 mm (3.9 inches) | 66% | extreme |
| March Weather | 24°C (76°F) | 137 mm (5.4 inches) | 73% | extreme |
| April Weather | 21°C (71°F) | 115 mm (4.5 inches) | 81% | very high |
| May Weather | 18°C (64°F) | 188 mm (7.4 inches) | 82% | high |
| June Weather | 16°C (62°F) | 105 mm (4.1 inches) | 77% | moderate |
| July Weather | 15°C (60°F) | 99 mm (3.9 inches) | 69% | moderate |
| August Weather | 17°C (63°F) | 83 mm (3.3 inches) | 51% | high |
| September Weather | 20°C (68°F) | 106 mm (4.2 inches) | 59% | very high |
| October Weather | 22°C (72°F) | 149 mm (5.9 inches) | 63% | extreme |
| November Weather | 24°C (75°F) | 148 mm (5.8 inches) | 66% | extreme |
| December Weather | 26°C (79°F) | 78 mm (3.1 inches) | 81% | extreme |