Last updated: August 27, 2025
In May, the average temperature in Santo Andre, Portugal is a pleasant 19°C (67°F). Expect a minimum of 5°C (42°F) and a potential high of 37°C (98°F). During this time, 39 mm (1.5 in) of precipitation typically falls over about 5 days, and the average humidity hovers around 70% for a warm and slightly humid atmosphere.
In May in Santo Andre, the average temperature is 19°C (67°F). Maximums can reach 37°C (98°F) and minimums can be as low as 5°C (42°F). This varied climate makes Santo Andre a versatile destination for travelers seeking both warm and cooler conditions.
In Santo Andre in May, the precipitation amount is 39 mm (1.5 in) spread over a duration of 5 days.
In Santo Andre in May humidity is 70%. With an average temperature of 19°C (67°F), this humidity feels like a warm blanket wrapping around you, making traveling somewhat uncomfortable and sticky, as the air feels dense and every movement requires a bit more effort.
In Santo Andre in May, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Santo Andre.
UV Risk Categories
Weather in Santo Andre varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Santo Andre, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 9°C (49°F) | 35 mm (1.4 inches) | 85% | moderate |
| February Weather | 12°C (54°F) | 50 mm (2.0 inches) | 75% | moderate |
| March Weather | 13°C (56°F) | 80 mm (3.1 inches) | 72% | high |
| April Weather | 15°C (60°F) | 81 mm (3.2 inches) | 70% | very high |
| May Weather | 19°C (67°F) | 39 mm (1.5 inches) | 70% | very high |
| June Weather | 21°C (70°F) | 15 mm (0.6 inches) | 63% | extreme |
| July Weather | 23°C (74°F) | 5 mm (0.2 inches) | 60% | very high |
| August Weather | 24°C (75°F) | 6 mm (0.3 inches) | 60% | very high |
| September Weather | 22°C (72°F) | 28 mm (1.1 inches) | 67% | very high |
| October Weather | 19°C (66°F) | 43 mm (1.7 inches) | 74% | high |
| November Weather | 13°C (56°F) | 73 mm (2.9 inches) | 83% | moderate |
| December Weather | 11°C (53°F) | 57 mm (2.2 inches) | 85% | moderate |