Last updated: August 23, 2025
In May, the average temperature in San Bernardo, Italy hovers around 5°C (42°F). Expect a wide range, with minimums plunging to -14°C (7°F) and highs reaching up to 18°C (65°F). This month also sees 146 mm (5.8 in) of precipitation over approximately 21 days, accompanied by a notably high average humidity of 78%.
In May in San Bernardo, the average temperature is 5°C (42°F). The maximum can reach 18°C (65°F) and the minimum can be as low as -14°C (7°F). Be prepared for a wide range of temperatures if you're planning to travel during this time.
In San Bernardo in May, the precipitation amount is 146 mm (5.8 in) over the course of 21 days.
In San Bernardo in May, humidity is 78%. With an average temperature of 5°C (42°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and urging travelers to bundle up against the cold, sticky air.
In San Bernardo 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 San Bernardo.
UV Risk Categories
Weather in San Bernardo varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in San Bernardo, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -10°C (13°F) | 44 mm (1.8 inches) | 93% | low |
| February Weather | -7°C (20°F) | 46 mm (1.8 inches) | 89% | moderate |
| March Weather | -4°C (25°F) | 59 mm (2.3 inches) | 86% | high |
| April Weather | 1°C (34°F) | 96 mm (3.8 inches) | 83% | high |
| May Weather | 5°C (42°F) | 146 mm (5.8 inches) | 78% | very high |
| June Weather | 11°C (52°F) | 179 mm (7.1 inches) | 79% | very high |
| July Weather | 12°C (53°F) | 233 mm (9.2 inches) | 82% | very high |
| August Weather | 12°C (53°F) | 229 mm (9.0 inches) | 80% | very high |
| September Weather | 8°C (46°F) | 140 mm (5.5 inches) | 83% | high |
| October Weather | 4°C (39°F) | 124 mm (4.9 inches) | 90% | moderate |
| November Weather | -3°C (27°F) | 136 mm (5.4 inches) | 89% | moderate |
| December Weather | -9°C (16°F) | 105 mm (4.1 inches) | 90% | low |