Last updated: August 23, 2025
In Casa Santa, Italy, the average temperature in December hovers around 14°C (57°F). Expect cool nights, with minimums dipping to 6°C (43°F), while daytime highs can reach up to 20°C (68°F). You’ll encounter about 82 mm (3.2 in) of precipitation over 11 days, accompanied by an average humidity level of 72%. Perfect weather for layering!
In December in Casa Santa, the average temperature is 14°C (57°F), with maximums reaching 20°C (68°F) and minimums dipping as low as 6°C (43°F). This mild climate makes it an ideal time for exploring the sights and enjoying outdoor activities in Casa Santa.
In Casa Santa in December, the precipitation amount is 82 mm (3.2 in) over the course of 11 days.
In Casa Santa in December humidity is 72%. With an average temperature of 14°C (57°F), this humidity feels like a damp embrace, making outdoor activities slightly uncomfortable and requiring careful planning to stay hydrated and enjoy your travels.
In Casa Santa in December, the maximum UV index is 3, which corresponds to a moderate Exposure Category. The time to burn is approximately 30 minutes. For more details on the hourly UV index in Casa Santa, you can check the information here.
UV Risk Categories
Weather in Casa Santa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Casa Santa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (54°F) | 48 mm (1.9 inches) | 73% | moderate |
| February Weather | 13°C (55°F) | 57 mm (2.3 inches) | 71% | moderate |
| March Weather | 13°C (56°F) | 72 mm (2.8 inches) | 72% | high |
| April Weather | 16°C (60°F) | 36 mm (1.4 inches) | 75% | very high |
| May Weather | 19°C (67°F) | 30 mm (1.2 inches) | 74% | very high |
| June Weather | 24°C (75°F) | 8 mm (0.3 inches) | 71% | very high |
| July Weather | 26°C (80°F) | 3 mm (0.1 inches) | 69% | very high |
| August Weather | 27°C (81°F) | 14 mm (0.6 inches) | 69% | very high |
| September Weather | 25°C (77°F) | 47 mm (1.8 inches) | 72% | very high |
| October Weather | 21°C (69°F) | 85 mm (3.4 inches) | 74% | high |
| November Weather | 17°C (63°F) | 131 mm (5.1 inches) | 72% | moderate |
| December Weather | 14°C (57°F) | 82 mm (3.2 inches) | 72% | moderate |