Last updated: August 23, 2025
In December, the average temperature in Gravedona-San Gregorio, Italy hovers around -1°C (30°F), creating a brisk atmosphere. Expect minimum temperatures to drop as low as -14°C (6°F), while highs can reach up to 9°C (48°F). With an average precipitation of 108 mm (4.2 in) spread over 10 days, and a high humidity level of 90%, it's wise to prepare for a damp chill.
In December in Gravedona-San Gregorio, the average temperature is -1°C (30°F). The maximum can reach 9°C (48°F), while the minimum can drop as low as -14°C (6°F). Travelers should be prepared for cold conditions and dress warmly when visiting during this time.
In Gravedona-San Gregorio in December, the precipitation amount is 108 mm (4.2 in) distributed over a duration of 10 days.
In Gravedona-San Gregorio in December, humidity is 90%. With an average temperature of -1°C (30°F), this humidity feels like a bone-chilling dampness that seeps into your clothes, making outdoor activities uncomfortable and travel quite challenging.
In Gravedona-San Gregorio 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 Gravedona-San Gregorio, you can visit Hourly UV Index in Gravedona-San Gregorio.
UV Risk Categories
Weather in Gravedona-San Gregorio varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Gravedona-San Gregorio, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -2°C (28°F) | 52 mm (2.0 inches) | 92% | low |
| February Weather | 0°C (33°F) | 50 mm (2.0 inches) | 89% | moderate |
| March Weather | 3°C (37°F) | 85 mm (3.3 inches) | 87% | high |
| April Weather | 7°C (44°F) | 114 mm (4.5 inches) | 84% | very high |
| May Weather | 10°C (51°F) | 151 mm (6.0 inches) | 80% | very high |
| June Weather | 15°C (60°F) | 131 mm (5.2 inches) | 82% | very high |
| July Weather | 17°C (63°F) | 92 mm (3.6 inches) | 83% | very high |
| August Weather | 17°C (62°F) | 135 mm (5.3 inches) | 80% | very high |
| September Weather | 13°C (55°F) | 113 mm (4.4 inches) | 83% | high |
| October Weather | 8°C (47°F) | 166 mm (6.5 inches) | 90% | moderate |
| November Weather | 3°C (38°F) | 139 mm (5.5 inches) | 88% | moderate |
| December Weather | -1°C (30°F) | 108 mm (4.2 inches) | 90% | low |