Last updated: August 23, 2025
In Colle Diana, Italy, the average temperature in May hovers around 17°C (63°F), offering a pleasant climate for outdoor activities. Temperatures can range from a cool 5°C (41°F) on the lower end to a warm 33°C (91°F) at its peak. Expect 110 mm (4.3 in) of precipitation spread across approximately 12 days, contributing to an average humidity of 69%. So, whether you’re planning a cozy indoor day or exploring the outdoors, be prepared for a bit of everything!
In May in Colle Diana, the average temperature is 17°C (63°F), with maximums reaching up to 33°C (91°F) and minimums dropping as low as 5°C (41°F). Travelers should prepare for a range of temperatures and pack accordingly to ensure a comfortable visit.
In Colle Diana in May, the precipitation amount is 110 mm (4.3 in) over a span of 12 days.
In Colle Diana in May, humidity is 69%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making outdoor activities feel slightly heavier, yet still comfortable for exploring.
In Colle Diana 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 Colle Diana.
UV Risk Categories
Weather in Colle Diana varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Colle Diana, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (43°F) | 77 mm (3.0 inches) | 84% | moderate |
| February Weather | 8°C (47°F) | 93 mm (3.6 inches) | 76% | moderate |
| March Weather | 10°C (49°F) | 101 mm (4.0 inches) | 68% | moderate |
| April Weather | 13°C (55°F) | 101 mm (4.0 inches) | 70% | high |
| May Weather | 17°C (63°F) | 110 mm (4.3 inches) | 69% | very high |
| June Weather | 22°C (72°F) | 57 mm (2.2 inches) | 62% | very high |
| July Weather | 25°C (77°F) | 43 mm (1.7 inches) | 57% | very high |
| August Weather | 25°C (78°F) | 41 mm (1.6 inches) | 55% | very high |
| September Weather | 20°C (69°F) | 147 mm (5.8 inches) | 66% | high |
| October Weather | 16°C (61°F) | 132 mm (5.2 inches) | 79% | moderate |
| November Weather | 12°C (53°F) | 195 mm (7.7 inches) | 84% | moderate |
| December Weather | 8°C (46°F) | 152 mm (6.0 inches) | 83% | low |