Last updated: August 27, 2025
In Santa Cruz, Portugal, the average temperature in May is a mild 15°C (59°F). Temperatures can range from a cool 1°C (35°F) to a warm 31°C (88°F), offering varied weather experiences. Expect precipitation of around 49 mm (1.9 in) over approximately 8 days, contributing to an average humidity of 78% for a tropical feel.
In May in Santa Cruz, the average temperature is 15°C (59°F). The maximum can reach 31°C (88°F), while the minimum can dip as low as 1°C (35°F). This means travelers should be prepared for a wide range of temperatures, so packing layers is advisable.
In Santa Cruz in May, the precipitation amount is 49 mm (1.9 in) spread over 8 days.
In Santa Cruz in May, humidity is 78%. With an average temperature of 15°C (59°F), this humidity feels like a warm, enveloping blanket that clings to your skin, making outdoor activities a bit more tiring and requiring frequent breaks for hydration as you explore the area.
In Santa Cruz in May, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in Santa Cruz.
UV Risk Categories
Weather in Santa Cruz varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Santa Cruz, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (42°F) | 43 mm (1.7 inches) | 87% | low |
| February Weather | 8°C (46°F) | 87 mm (3.4 inches) | 81% | moderate |
| March Weather | 9°C (48°F) | 90 mm (3.5 inches) | 78% | high |
| April Weather | 11°C (52°F) | 90 mm (3.5 inches) | 79% | very high |
| May Weather | 15°C (59°F) | 49 mm (1.9 inches) | 78% | very high |
| June Weather | 18°C (64°F) | 39 mm (1.5 inches) | 71% | extreme |
| July Weather | 21°C (69°F) | 19 mm (0.8 inches) | 63% | very high |
| August Weather | 20°C (69°F) | 15 mm (0.6 inches) | 64% | very high |
| September Weather | 18°C (65°F) | 30 mm (1.2 inches) | 71% | very high |
| October Weather | 14°C (57°F) | 71 mm (2.8 inches) | 79% | high |
| November Weather | 9°C (48°F) | 80 mm (3.2 inches) | 86% | moderate |
| December Weather | 7°C (45°F) | 114 mm (4.5 inches) | 87% | low |