Last updated: August 23, 2025
In December, the average temperature in San Genesio, Italy hovers around -6°C (21°F), with extremes ranging from a chilling -22°C (-8°F) to a milder 5°C (41°F). Expect around 106 mm (4.2 in) of precipitation over 12 days, contributing to a high average humidity of 90%. Prepare for a brisk and damp month!
In December in San Genesio, the average temperature is -6°C (21°F). The maximum can reach 5°C (41°F), while the minimum can drop as low as -22°C (-8°F). Travelers should prepare for cold weather and pack accordingly to enjoy their visit comfortably.
In San Genesio in December, the precipitation amount is 106 mm (4.2 in), occurring over a span of 12 days.
In San Genesio in December humidity is 90%. With an average temperature of -6°C (21°F), this humidity feels like a heavy, icy mist that clings to your skin, making every breath feel sharp and cold, which can be quite challenging for traveling.
In San Genesio 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 San Genesio, you can visit Hourly UV Index in San Genesio.
UV Risk Categories
Weather in San Genesio varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Genesio, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -7°C (19°F) | 52 mm (2.0 inches) | 93% | low |
| February Weather | -4°C (25°F) | 52 mm (2.0 inches) | 89% | moderate |
| March Weather | -1°C (30°F) | 66 mm (2.6 inches) | 86% | high |
| April Weather | 2°C (36°F) | 84 mm (3.3 inches) | 83% | very high |
| May Weather | 6°C (44°F) | 132 mm (5.2 inches) | 78% | very high |
| June Weather | 12°C (54°F) | 133 mm (5.3 inches) | 79% | very high |
| July Weather | 13°C (56°F) | 147 mm (5.8 inches) | 82% | very high |
| August Weather | 13°C (56°F) | 177 mm (7.0 inches) | 80% | very high |
| September Weather | 10°C (49°F) | 105 mm (4.1 inches) | 83% | high |
| October Weather | 5°C (41°F) | 104 mm (4.1 inches) | 90% | moderate |
| November Weather | 0°C (31°F) | 127 mm (5.0 inches) | 89% | moderate |
| December Weather | -6°C (21°F) | 106 mm (4.2 inches) | 90% | low |