Last updated: August 23, 2025
In December, the average temperature in Valle Santa, Italy hovers around 10°C (50°F), with minimums dipping to 0°C (33°F) and peaks reaching up to 18°C (65°F). Visitors can expect a notable precipitation level of 147 mm (5.8 in) over 13 days, accompanied by a relatively high humidity of 77%.
In December in Valle Santa, the average temperature is 10°C (50°F). Maximums can reach 18°C (65°F) and minimums can be as low as 0°C (33°F). It's a great time to explore Valle Santa while enjoying mild weather and the possibility of cool evenings.
In Valle Santa in December, the total precipitation amount is 147 mm (5.8 in), which occurs over a span of 13 days.
In Valle Santa in December, humidity is 77%. With an average temperature of 10°C (50°F), this humidity feels like a thick, heavy blanket enveloping you, making travel uncomfortable and sticky, as it clings to your skin and clothes, turning each step into a challenge.
In Valle Santa in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Valle Santa, you can visit Hourly UV Index in Valle Santa.
UV Risk Categories
Weather in Valle Santa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Valle Santa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (47°F) | 74 mm (2.9 inches) | 80% | moderate |
| February Weather | 10°C (50°F) | 86 mm (3.4 inches) | 73% | moderate |
| March Weather | 11°C (52°F) | 84 mm (3.3 inches) | 69% | moderate |
| April Weather | 14°C (57°F) | 67 mm (2.6 inches) | 74% | high |
| May Weather | 18°C (65°F) | 69 mm (2.7 inches) | 76% | very high |
| June Weather | 23°C (73°F) | 25 mm (1.0 inches) | 73% | very high |
| July Weather | 25°C (78°F) | 24 mm (1.0 inches) | 70% | very high |
| August Weather | 26°C (79°F) | 20 mm (0.8 inches) | 68% | very high |
| September Weather | 22°C (72°F) | 111 mm (4.4 inches) | 71% | high |
| October Weather | 17°C (64°F) | 110 mm (4.3 inches) | 76% | moderate |
| November Weather | 14°C (57°F) | 187 mm (7.4 inches) | 79% | moderate |
| December Weather | 10°C (50°F) | 147 mm (5.8 inches) | 77% | low |