Last updated: August 23, 2025
In Valle San Bartolomeo, Italy, the average temperature in May hovers around 18°C (65°F), offering a comfortable climate. However, be prepared for fluctuations, as temperatures can dip to a minimum of 5°C (41°F) and soar to a maximum of 33°C (92°F). Expect 87 mm (3.4 in) of precipitation spread over 13 days, contributing to an overall average humidity of 74%. Whether you’re enjoying sunny days or the occasional shower, this month has something for everyone!
In May in Valle San Bartolomeo, the average temperature is 18°C (65°F). Maximums can reach 33°C (92°F), while minimums can drop as low as 5°C (41°F). This makes Valle San Bartolomeo an ideal destination for travelers seeking a mix of warm days and cooler evenings.
In Valle San Bartolomeo in May, the precipitation amount is 87 mm (3.4 in) spread over 13 days.
In Valle San Bartolomeo in May humidity is 74%. With an average temperature of 18°C (65°F), this humidity feels like a warm, sticky embrace that can make even short walks feel laborious, leading travelers to seek shade and refreshment more often.
In Valle San Bartolomeo in May, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Valle San Bartolomeo.
UV Risk Categories
Weather in Valle San Bartolomeo varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Valle San Bartolomeo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 36 mm (1.4 inches) | 88% | low |
| February Weather | 7°C (45°F) | 47 mm (1.9 inches) | 81% | moderate |
| March Weather | 10°C (50°F) | 53 mm (2.1 inches) | 76% | moderate |
| April Weather | 14°C (58°F) | 62 mm (2.4 inches) | 77% | high |
| May Weather | 18°C (65°F) | 87 mm (3.4 inches) | 74% | very high |
| June Weather | 24°C (76°F) | 46 mm (1.8 inches) | 71% | very high |
| July Weather | 26°C (79°F) | 50 mm (2.0 inches) | 67% | very high |
| August Weather | 26°C (80°F) | 31 mm (1.2 inches) | 64% | very high |
| September Weather | 21°C (71°F) | 53 mm (2.1 inches) | 74% | high |
| October Weather | 16°C (60°F) | 93 mm (3.7 inches) | 87% | moderate |
| November Weather | 10°C (50°F) | 142 mm (5.6 inches) | 88% | moderate |
| December Weather | 4°C (40°F) | 78 mm (3.1 inches) | 85% | low |