Last updated: August 23, 2025
In San Giovanni-San Bernardino, Italy, the average temperature in December hovers around 3°C (38°F). Expect lows of -9°C (16°F) and highs reaching up to 14°C (58°F). During this month, you'll likely encounter approximately 126 mm (5.0 in) of precipitation over 11 days, with an average humidity of 85%. Prepare accordingly for a cool and damp time!
In December in San Giovanni-San Bernardino, the average temperature is 3°C (38°F). Maximum temperatures can reach up to 14°C (58°F), while minimums can drop as low as -9°C (16°F). Be sure to pack warm clothing and prepare for chilly conditions if you plan to travel during this time.
In San Giovanni-San Bernardino in December, the total precipitation amount is 126 mm (5.0 in) spread over 11 days.
In San Giovanni-San Bernardino in December, humidity is 85%. With an average temperature of 3°C (38°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable as you contend with the heavy, cold air surrounding you.
In San Giovanni-San Bernardino 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 Giovanni-San Bernardino, you can visit Hourly UV Index in San Giovanni-San Bernardino.
UV Risk Categories
Weather in San Giovanni-San Bernardino varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Giovanni-San Bernardino, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (36°F) | 45 mm (1.8 inches) | 88% | low |
| February Weather | 5°C (41°F) | 67 mm (2.6 inches) | 81% | moderate |
| March Weather | 7°C (45°F) | 77 mm (3.0 inches) | 76% | high |
| April Weather | 11°C (52°F) | 92 mm (3.6 inches) | 77% | high |
| May Weather | 15°C (59°F) | 143 mm (5.6 inches) | 74% | very high |
| June Weather | 20°C (68°F) | 71 mm (2.8 inches) | 71% | very high |
| July Weather | 22°C (71°F) | 91 mm (3.6 inches) | 67% | very high |
| August Weather | 22°C (71°F) | 91 mm (3.6 inches) | 64% | very high |
| September Weather | 17°C (63°F) | 120 mm (4.7 inches) | 74% | high |
| October Weather | 12°C (54°F) | 114 mm (4.5 inches) | 87% | moderate |
| November Weather | 7°C (45°F) | 165 mm (6.5 inches) | 88% | moderate |
| December Weather | 3°C (38°F) | 126 mm (5.0 inches) | 85% | low |