Last updated: August 23, 2025
In December, the average temperature in Giglio Castello, Italy hovers around 14°C (57°F). Expect minimum temperatures to drop to 8°C (46°F), while highs can reach up to 17°C (63°F). Be prepared for some rain, as 86 mm (3.4 in) of precipitation is expected over 12 days, along with an average humidity level of 83%.
In December in Giglio Castello, the average temperature is 14°C (57°F), with maximums reaching 17°C (63°F) and minimums dropping as low as 8°C (46°F). This pleasant climate makes it an ideal time for travelers to explore and enjoy all that Giglio Castello has to offer.
In Giglio Castello in December, the precipitation amount is 86 mm (3.4 in) over a span of 12 days.
In Giglio Castello in December, humidity is 83%. With an average temperature of 14°C (57°F), this humidity feels like you're stepping into a warm, damp embrace that can make outdoor activities quite uncomfortable, often leaving you sweaty and exhausted if you're not prepared with plenty of water and breathable clothing.
In Giglio Castello 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 Giglio Castello, you can visit Hourly UV Index in Giglio Castello.
UV Risk Categories
Weather in Giglio Castello varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Giglio Castello, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 12°C (54°F) | 55 mm (2.2 inches) | 84% | low |
| February Weather | 12°C (55°F) | 55 mm (2.2 inches) | 76% | moderate |
| March Weather | 13°C (55°F) | 53 mm (2.1 inches) | 68% | moderate |
| April Weather | 15°C (58°F) | 45 mm (1.8 inches) | 70% | high |
| May Weather | 18°C (64°F) | 42 mm (1.6 inches) | 69% | very high |
| June Weather | 22°C (72°F) | 8 mm (0.3 inches) | 62% | very high |
| July Weather | 25°C (77°F) | 10 mm (0.4 inches) | 57% | very high |
| August Weather | 26°C (78°F) | 4 mm (0.2 inches) | 55% | very high |
| September Weather | 23°C (74°F) | 51 mm (2.0 inches) | 66% | high |
| October Weather | 19°C (67°F) | 93 mm (3.6 inches) | 79% | moderate |
| November Weather | 16°C (61°F) | 168 mm (6.6 inches) | 84% | moderate |
| December Weather | 14°C (57°F) | 86 mm (3.4 inches) | 83% | low |