Last updated: August 23, 2025
In December, the average temperature in Castelnuovo di Val di Cecina, Italy hovers around 7°C (45°F). You can expect a chilly minimum of -2°C (29°F) and a milder maximum of 16°C (61°F). Be prepared for 108 mm (4.2 in) of precipitation spread over 13 days, making it one of the wetter months. With an average humidity of 83%, don’t forget your umbrella and a warm jacket!
In December in Castelnuovo di Val di Cecina, the average temperature is 7°C (45°F). Maximum temperatures can reach 16°C (61°F), while minimum temperatures can dip as low as -2°C (29°F). It's essential to pack layers to stay comfortable during your travels in this variable climate.
In Castelnuovo di Val di Cecina in December, the precipitation amount is 108 mm (4.2 in), spread across 13 days.
In Castelnuovo di Val di Cecina in December, humidity is 83%. With an average temperature of 7°C (45°F), this humidity feels like a chilly blanket wrapping around you, making travel somewhat uncomfortable as you navigate the dampness that settles in your clothes, leading to a heavy and muggy experience outdoors.
In Castelnuovo di Val di Cecina 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 Castelnuovo di Val di Cecina, you can visit Hourly UV Index in Castelnuovo di Val di Cecina.
UV Risk Categories
Weather in Castelnuovo di Val di Cecina varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Castelnuovo di Val di Cecina, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (43°F) | 48 mm (1.9 inches) | 84% | low |
| February Weather | 8°C (46°F) | 69 mm (2.7 inches) | 76% | moderate |
| March Weather | 9°C (49°F) | 61 mm (2.4 inches) | 68% | moderate |
| April Weather | 13°C (55°F) | 86 mm (3.4 inches) | 70% | high |
| May Weather | 17°C (62°F) | 93 mm (3.7 inches) | 69% | very high |
| June Weather | 21°C (71°F) | 41 mm (1.6 inches) | 62% | very high |
| July Weather | 24°C (75°F) | 36 mm (1.4 inches) | 57% | very high |
| August Weather | 25°C (77°F) | 33 mm (1.3 inches) | 55% | very high |
| September Weather | 20°C (69°F) | 89 mm (3.5 inches) | 66% | high |
| October Weather | 15°C (60°F) | 88 mm (3.5 inches) | 79% | moderate |
| November Weather | 11°C (52°F) | 147 mm (5.8 inches) | 84% | moderate |
| December Weather | 7°C (45°F) | 108 mm (4.2 inches) | 83% | low |