Last updated: June 24, 2025
In Milan, United States, the average temperature in May hovers around 11°C (52°F). However, be prepared for a range, with minimums dipping to -3°C (27°F) and maximums soaring up to 31°C (87°F). Expect a fair amount of rainfall, averaging 97 mm (3.8 in) over 13 days, coupled with a relatively high humidity of 78%.
In May in Milan, the average temperature is 11°C (52°F). The maximum can reach 31°C (87°F), while the minimum can drop as low as -3°C (27°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.
In Milan in May, the precipitation amount is 97 mm (3.8 in) over the course of 13 days.
In Milan in May humidity is 78%. With an average temperature of 11°C (52°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities somewhat uncomfortable and travel more challenging as you navigate the moist air.
In Milan 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 Milan.
UV Risk Categories
Weather in Milan varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Milan, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -9°C (16°F) | 85 mm (3.3 inches) | 91% | low |
| February Weather | -8°C (19°F) | 87 mm (3.4 inches) | 89% | moderate |
| March Weather | -4°C (25°F) | 75 mm (3.0 inches) | 85% | high |
| April Weather | 3°C (38°F) | 121 mm (4.8 inches) | 84% | very high |
| May Weather | 11°C (52°F) | 97 mm (3.8 inches) | 78% | very high |
| June Weather | 16°C (61°F) | 106 mm (4.2 inches) | 72% | very high |
| July Weather | 19°C (66°F) | 121 mm (4.8 inches) | 75% | very high |
| August Weather | 18°C (64°F) | 110 mm (4.3 inches) | 74% | very high |
| September Weather | 14°C (57°F) | 66 mm (2.6 inches) | 77% | high |
| October Weather | 7°C (45°F) | 124 mm (4.9 inches) | 85% | moderate |
| November Weather | -1°C (31°F) | 109 mm (4.3 inches) | 86% | moderate |
| December Weather | -7°C (21°F) | 100 mm (4.0 inches) | 85% | low |