Last updated: August 23, 2025
In May, the average temperature in Valle e Castello, Italy hovers around 15°C (59°F), with minimums dipping to 1°C (35°F) and maximums soaring up to 29°C (84°F). Expect 109 mm (4.3 in) of precipitation spread across about 14 days, contributing to a relatively high average humidity of 71%.
In May in Valle e Castello, the average temperature is 15°C (59°F). Maximums can reach 29°C (84°F), while minimums can be as low as 1°C (35°F). Travelers should be prepared for a wide range of temperatures, making layering essential for comfort during their visit.
In Valle e Castello in May, the precipitation amount is 109 mm (4.3 in) over the course of 14 days.
In Valle e Castello in May humidity is 71%. With an average temperature of 15°C (59°F), this humidity feels like a damp embrace, making outdoor activities slightly uncomfortable and encouraging travelers to seek shade or indoor attractions to escape the muggy air.
In Valle e Castello 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 Valle e Castello.
UV Risk Categories
Weather in Valle e Castello varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Valle e Castello, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 64 mm (2.5 inches) | 85% | low |
| February Weather | 5°C (42°F) | 70 mm (2.7 inches) | 78% | moderate |
| March Weather | 7°C (44°F) | 87 mm (3.4 inches) | 69% | high |
| April Weather | 10°C (51°F) | 73 mm (2.9 inches) | 71% | high |
| May Weather | 15°C (59°F) | 109 mm (4.3 inches) | 71% | very high |
| June Weather | 20°C (68°F) | 50 mm (2.0 inches) | 63% | very high |
| July Weather | 23°C (73°F) | 48 mm (1.9 inches) | 59% | very high |
| August Weather | 23°C (74°F) | 50 mm (2.0 inches) | 54% | very high |
| September Weather | 18°C (64°F) | 81 mm (3.2 inches) | 67% | high |
| October Weather | 13°C (56°F) | 64 mm (2.5 inches) | 78% | moderate |
| November Weather | 9°C (49°F) | 115 mm (4.5 inches) | 84% | moderate |
| December Weather | 5°C (41°F) | 109 mm (4.3 inches) | 86% | low |