Last updated: August 23, 2025
In December, the average temperature in Santa Maria le Grotte, Italy hovers around 8°C (46°F), with minimums dipping to -2°C (29°F) and maximums reaching 18°C (65°F). Expect precipitation of about 95 mm (3.7 in) spread over 14 days, accompanied by an average humidity level of 78%.
In December in Santa Maria le Grotte, the average temperature is 8°C (46°F). Maximum temperatures can reach 18°C (65°F), while minimums can drop as low as -2°C (29°F). It's essential to pack layered clothing to stay comfortable during your travels.
In Santa Maria le Grotte in December, the total precipitation amount is 95 mm (3.7 in), spread over 14 days.
In Santa Maria le Grotte in December, humidity is 78%. With an average temperature of 8°C (46°F), this humidity feels like a chilly dampness that clings to your skin, making outdoor activities a bit uncomfortable and prompting you to dress in layers to stay warm while exploring.
In Santa Maria le Grotte 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 Santa Maria le Grotte, you can visit Hourly UV Index in Santa Maria le Grotte.
UV Risk Categories
Weather in Santa Maria le Grotte varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Santa Maria le Grotte, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (43°F) | 74 mm (2.9 inches) | 78% | moderate |
| February Weather | 7°C (46°F) | 80 mm (3.2 inches) | 71% | moderate |
| March Weather | 9°C (48°F) | 94 mm (3.7 inches) | 70% | high |
| April Weather | 12°C (54°F) | 62 mm (2.5 inches) | 73% | very high |
| May Weather | 16°C (61°F) | 38 mm (1.5 inches) | 72% | very high |
| June Weather | 21°C (70°F) | 31 mm (1.2 inches) | 67% | very high |
| July Weather | 23°C (74°F) | 13 mm (0.5 inches) | 64% | very high |
| August Weather | 24°C (76°F) | 21 mm (0.8 inches) | 61% | very high |
| September Weather | 20°C (69°F) | 57 mm (2.2 inches) | 68% | very high |
| October Weather | 16°C (60°F) | 78 mm (3.1 inches) | 73% | high |
| November Weather | 12°C (54°F) | 151 mm (6.0 inches) | 77% | moderate |
| December Weather | 8°C (46°F) | 95 mm (3.7 inches) | 78% | low |