Last updated: August 23, 2025
In San Basilio, Italy, the average temperature in December hovers around 10°C (51°F), with a range that can dip to a chilly 0°C (32°F) and peak at a comfortable 19°C (67°F). Expect 46 mm (1.8 in) of precipitation spread over 7 days, and with an average humidity of 74%, make sure to dress accordingly for both the cool weather and damp conditions!
In December in San Basilio, the average temperature is 10°C (51°F). The maximum can reach 19°C (67°F), while the minimum can drop to as low as 0°C (32°F). Be sure to pack layers when traveling, as the temperatures can vary significantly throughout the day.
In San Basilio in December, the precipitation amount is 46 mm (1.8 in) over the course of 7 days.
In San Basilio in December humidity is 74%. With an average temperature of 10°C (51°F), this humidity feels like a damp chill enveloping you, making travel a bit uncomfortable as the cold air clings to your skin, and you may find yourself wishing you had packed an extra layer to stay warm and dry.
In San Basilio 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 Basilio, you can visit Hourly UV Index in San Basilio.
UV Risk Categories
Weather in San Basilio varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Basilio, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 9°C (48°F) | 35 mm (1.4 inches) | 76% | moderate |
| February Weather | 10°C (51°F) | 29 mm (1.1 inches) | 73% | moderate |
| March Weather | 11°C (53°F) | 48 mm (1.9 inches) | 73% | high |
| April Weather | 14°C (58°F) | 50 mm (2.0 inches) | 77% | very high |
| May Weather | 18°C (65°F) | 54 mm (2.1 inches) | 78% | very high |
| June Weather | 23°C (74°F) | 25 mm (1.0 inches) | 77% | very high |
| July Weather | 27°C (80°F) | 2 mm (0.1 inches) | 77% | very high |
| August Weather | 27°C (80°F) | 20 mm (0.8 inches) | 74% | very high |
| September Weather | 23°C (73°F) | 37 mm (1.5 inches) | 75% | very high |
| October Weather | 18°C (65°F) | 40 mm (1.6 inches) | 76% | high |
| November Weather | 13°C (56°F) | 94 mm (3.7 inches) | 75% | moderate |
| December Weather | 10°C (51°F) | 46 mm (1.8 inches) | 74% | low |