Last updated: August 23, 2025
In May, the average temperature in Ono San Pietro, Italy hovers around 9°C (48°F). Expect some variability, with minimum temperatures dipping to -8°C (18°F) and highs reaching 20°C (69°F). During this month, precipitation amounts to 227 mm (8.9 in) over approximately 24 days, while the average humidity stays around 70%.
In May in Ono San Pietro, the average temperature is 9°C (48°F), with maximums reaching up to 20°C (69°F) and minimums plummeting as low as -8°C (18°F). This variety in temperature makes it essential to pack layers and be prepared for both mild and chilly conditions while traveling.
In Ono San Pietro in May, the precipitation amount is 227 mm (8.9 in) over a span of 24 days.
In Ono San Pietro in May, humidity is 70%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill that can quickly sap your energy, making outdoor activities less enjoyable and requiring extra layers to stay warm and dry while traveling.
In Ono San Pietro 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 Ono San Pietro.
UV Risk Categories
Weather in Ono San Pietro varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Ono San Pietro, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -5°C (23°F) | 41 mm (1.6 inches) | 87% | low |
| February Weather | -2°C (29°F) | 59 mm (2.3 inches) | 79% | moderate |
| March Weather | 1°C (34°F) | 107 mm (4.2 inches) | 69% | high |
| April Weather | 5°C (41°F) | 161 mm (6.3 inches) | 71% | high |
| May Weather | 9°C (48°F) | 227 mm (8.9 inches) | 70% | very high |
| June Weather | 14°C (57°F) | 212 mm (8.4 inches) | 65% | very high |
| July Weather | 15°C (59°F) | 218 mm (8.6 inches) | 61% | very high |
| August Weather | 15°C (59°F) | 240 mm (9.4 inches) | 54% | very high |
| September Weather | 11°C (53°F) | 172 mm (6.8 inches) | 66% | high |
| October Weather | 7°C (45°F) | 185 mm (7.3 inches) | 83% | moderate |
| November Weather | 2°C (35°F) | 183 mm (7.2 inches) | 88% | moderate |
| December Weather | -3°C (26°F) | 119 mm (4.7 inches) | 85% | low |