Last updated: August 23, 2025
In December, the average temperature in Isola Sant'Antonio, Italy hovers around 4°C (40°F). Expect chilly conditions, with minimum temperatures dipping to -5°C (23°F) and highs reaching up to 16°C (61°F). Prepare for 78 mm (3.1 in) of precipitation spread over 9 days, and stay cozy with an average humidity level of 85%.
In December in Isola Sant'Antonio, the average temperature is 4°C (40°F). Maximum temperatures can reach 16°C (61°F), while minimums can drop as low as -5°C (23°F). Travelers should be prepared for chilly weather and pack accordingly to enjoy their visit comfortably.
In Isola Sant'Antonio in December, the precipitation amount is 78 mm (3.1 in) over the course of 9 days.
In Isola Sant'Antonio in December, humidity is 85%. With an average temperature of 4°C (40°F), this humidity feels like an icy blanket wrapping around you, making outdoor activities feel much colder and damp, which can be quite uncomfortable for traveling.
In Isola Sant'Antonio 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 Isola Sant'Antonio, you can visit Hourly UV Index in Isola Sant'Antonio.
UV Risk Categories
Weather in Isola Sant'Antonio varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Isola Sant'Antonio, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 36 mm (1.4 inches) | 88% | low |
| February Weather | 7°C (45°F) | 47 mm (1.9 inches) | 81% | moderate |
| March Weather | 10°C (50°F) | 53 mm (2.1 inches) | 76% | moderate |
| April Weather | 14°C (58°F) | 62 mm (2.4 inches) | 77% | high |
| May Weather | 18°C (65°F) | 87 mm (3.4 inches) | 74% | very high |
| June Weather | 24°C (76°F) | 46 mm (1.8 inches) | 71% | very high |
| July Weather | 26°C (79°F) | 50 mm (2.0 inches) | 67% | very high |
| August Weather | 26°C (80°F) | 31 mm (1.2 inches) | 64% | very high |
| September Weather | 21°C (71°F) | 53 mm (2.1 inches) | 74% | high |
| October Weather | 16°C (60°F) | 93 mm (3.7 inches) | 87% | moderate |
| November Weather | 10°C (50°F) | 142 mm (5.6 inches) | 88% | moderate |
| December Weather | 4°C (40°F) | 78 mm (3.1 inches) | 85% | low |