Last updated: August 23, 2025
In December, the average temperature in San Floriano-Olmi, Italy hovers around 5°C (41°F), with a minimum dipping to -3°C (26°F) and a maximum rising to 15°C (59°F). Expect a fair amount of rain, with 120 mm (4.7 in) of precipitation over 9 days. Humidity levels are typically high, averaging 85%, making for a damp but cool atmosphere.
In December, in San Floriano-Olmi, the average temperature is 5°C (41°F). The maximum can reach 15°C (59°F) and the minimum can be as low as -3°C (26°F). Travelers should prepare for a mix of cool and mild weather, making it ideal for layering.
In San Floriano-Olmi in December, the precipitation amount is 120 mm (4.7 in) over the course of 9 days.
In San Floriano-Olmi in December, humidity is 85%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making outdoor exploration a challenge as the cold air clings to your skin.
In San Floriano-Olmi 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 Floriano-Olmi, you can visit Hourly UV Index in San Floriano-Olmi.
UV Risk Categories
Weather in San Floriano-Olmi varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Floriano-Olmi, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 42 mm (1.7 inches) | 87% | low |
| February Weather | 6°C (44°F) | 65 mm (2.5 inches) | 79% | moderate |
| March Weather | 9°C (48°F) | 63 mm (2.5 inches) | 69% | moderate |
| April Weather | 13°C (56°F) | 120 mm (4.7 inches) | 71% | high |
| May Weather | 18°C (64°F) | 146 mm (5.7 inches) | 70% | very high |
| June Weather | 23°C (73°F) | 92 mm (3.6 inches) | 65% | very high |
| July Weather | 24°C (76°F) | 77 mm (3.0 inches) | 61% | very high |
| August Weather | 25°C (77°F) | 82 mm (3.2 inches) | 54% | very high |
| September Weather | 20°C (68°F) | 134 mm (5.3 inches) | 66% | high |
| October Weather | 15°C (59°F) | 112 mm (4.4 inches) | 83% | moderate |
| November Weather | 10°C (50°F) | 165 mm (6.5 inches) | 88% | moderate |
| December Weather | 5°C (41°F) | 120 mm (4.7 inches) | 85% | low |