Last updated: August 27, 2025
In Santiago de Cao, Peru, the average temperature in May hovers around 19°C (66°F), creating a pleasant climate. Expect minimums of 14°C (58°F) and maximums reaching 24°C (76°F). With a mere 4 mm (0.1 in) of precipitation spread over 0 days, you can enjoy mostly dry weather while basking in an average humidity of 84%.
In May in Santiago de Cao, the average temperature is 19°C (66°F). The maximum can reach 24°C (76°F), and the minimum can be as low as 14°C (58°F). This pleasant weather makes it an ideal time for travelers to explore the beauty and attractions of Santiago de Cao.
In Santiago de Cao in May, the precipitation amount is 4 mm (0.1 in) recorded over a span of 0 days.
In Santiago de Cao in May, humidity is 84%. With an average temperature of 19°C (66°F), this humidity feels like a warm, sticky embrace that can make traveling uncomfortable and exhausting, as the air clings to your skin, and every step taken feels heavier in the sultry atmosphere.
In Santiago de Cao 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 Santiago de Cao.
UV Risk Categories
Weather in Santiago de Cao varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Santiago de Cao, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 21°C (71°F) | 9 mm (0.4 inches) | 91% | extreme |
| February Weather | 23°C (73°F) | 9 mm (0.4 inches) | 89% | extreme |
| March Weather | 23°C (73°F) | 17 mm (0.7 inches) | 89% | extreme |
| April Weather | 20°C (69°F) | 8 mm (0.3 inches) | 88% | extreme |
| May Weather | 19°C (66°F) | 4 mm (0.1 inches) | 84% | extreme |
| June Weather | 18°C (64°F) | 6 mm (0.2 inches) | 73% | extreme |
| July Weather | 17°C (63°F) | 8 mm (0.3 inches) | 55% | extreme |
| August Weather | 16°C (62°F) | 9 mm (0.4 inches) | 53% | extreme |
| September Weather | 16°C (61°F) | 8 mm (0.3 inches) | 62% | extreme |
| October Weather | 17°C (62°F) | 6 mm (0.2 inches) | 82% | extreme |
| November Weather | 18°C (64°F) | 5 mm (0.2 inches) | 89% | extreme |
| December Weather | 19°C (67°F) | 11 mm (0.4 inches) | 91% | extreme |