Last updated: August 23, 2025
In December, the average temperature in Valle San Giovanni, Italy hovers around 4°C (39°F), with variations that can dip as low as -10°C (13°F) and peak at 14°C (58°F). Expect a fair amount of precipitation, averaging 122 mm (4.8 in) over approximately 13 days, and brace yourself for a high level of humidity at 86%.
In December in Valle San Giovanni, the average temperature is 4°C (39°F). Maximum temperatures can reach 14°C (58°F), while minimums can drop as low as -10°C (13°F). It's essential to pack warm clothing and be prepared for fluctuating temperatures if you're planning to visit.
In Valle San Giovanni in December, the precipitation amount is 122 mm (4.8 in) recorded over a span of 13 days.
In Valle San Giovanni in December humidity is 86%. With an average temperature of 4°C (39°F), this humidity feels like a chilly mist enveloping you, making it essential to bundle up while exploring, as each breath comes with a damp chill that can be quite refreshing yet starkly invigorating for travelers.
In Valle San Giovanni 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 San Giovanni, you can visit Hourly UV Index in Valle San Giovanni.
UV Risk Categories
Weather in Valle San Giovanni varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Valle San Giovanni, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (35°F) | 83 mm (3.3 inches) | 85% | moderate |
| February Weather | 4°C (40°F) | 80 mm (3.1 inches) | 78% | moderate |
| March Weather | 5°C (42°F) | 104 mm (4.1 inches) | 69% | high |
| April Weather | 9°C (49°F) | 93 mm (3.7 inches) | 71% | very high |
| May Weather | 13°C (56°F) | 137 mm (5.4 inches) | 71% | very high |
| June Weather | 18°C (65°F) | 75 mm (3.0 inches) | 63% | very high |
| July Weather | 21°C (69°F) | 81 mm (3.2 inches) | 59% | very high |
| August Weather | 21°C (70°F) | 58 mm (2.3 inches) | 54% | very high |
| September Weather | 16°C (62°F) | 100 mm (3.9 inches) | 67% | very high |
| October Weather | 12°C (54°F) | 86 mm (3.4 inches) | 78% | high |
| November Weather | 8°C (47°F) | 149 mm (5.9 inches) | 84% | moderate |
| December Weather | 4°C (39°F) | 122 mm (4.8 inches) | 86% | low |