Last updated: August 23, 2025
In San Giovanni, Italy, the average temperature in December hovers around 6°C (43°F), with lows dipping to about -4°C (26°F) and highs reaching up to 17°C (63°F). Expect a precipitation total of 62 mm (2.5 in) spread over 9 days, contributing to an average humidity of 85%. Whether you're braving chilly winds or enjoying crisp air, this month offers a unique experience!
In December in San Giovanni, the average temperature is 6°C (43°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -4°C (26°F). Travelers should prepare for a wide range of temperatures and pack accordingly for both chilly and milder conditions.
In San Giovanni in December, the precipitation amount is 62 mm (2.5 in) over a span of 9 days, indicating a relatively wet period.
In San Giovanni in December, humidity is 85%. With an average temperature of 6°C (43°F), this humidity feels like a damp chill that seeps into your bones, making travel feel more uncomfortable and limiting your enjoyment of the sights as you navigate the wet, brisk air.
In San Giovanni 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, you can visit Hourly UV Index in San Giovanni.
UV Risk Categories
Weather in San Giovanni varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in San Giovanni, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (40°F) | 21 mm (0.8 inches) | 87% | low |
| February Weather | 7°C (46°F) | 66 mm (2.6 inches) | 79% | moderate |
| March Weather | 10°C (51°F) | 43 mm (1.7 inches) | 69% | moderate |
| April Weather | 15°C (59°F) | 55 mm (2.2 inches) | 71% | high |
| May Weather | 19°C (67°F) | 93 mm (3.6 inches) | 70% | very high |
| June Weather | 25°C (78°F) | 46 mm (1.8 inches) | 65% | very high |
| July Weather | 27°C (80°F) | 73 mm (2.9 inches) | 61% | very high |
| August Weather | 27°C (81°F) | 49 mm (1.9 inches) | 54% | very high |
| September Weather | 22°C (71°F) | 98 mm (3.9 inches) | 66% | high |
| October Weather | 16°C (62°F) | 61 mm (2.4 inches) | 83% | moderate |
| November Weather | 12°C (53°F) | 87 mm (3.4 inches) | 88% | moderate |
| December Weather | 6°C (43°F) | 62 mm (2.5 inches) | 85% | low |