Last updated: August 23, 2025
In December, the average temperature in Castiglione d'Orcia, Italy hovers around 7°C (45°F). However, don't be surprised if it dips to a chilly -3°C (27°F) or climbs to a pleasant 17°C (63°F). Expect 95 mm (3.7 in) of precipitation spread over 11 days, with an average humidity of 83%. Prepare accordingly for a month that balances cool temperatures and wet days!
In December in Castiglione d'Orcia, the average temperature is 7°C (45°F), with maximums reaching 17°C (63°F) and minimums dropping as low as -3°C (27°F). This variation in weather makes it essential to pack layers for your trip to Castiglione d'Orcia.
In Castiglione d'Orcia in December, the total precipitation amount is 95 mm (3.7 in) spread over 11 days.
In Castiglione d'Orcia 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 Castiglione d'Orcia 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 Castiglione d'Orcia, you can visit Hourly UV Index in Castiglione d'Orcia.
UV Risk Categories
Weather in Castiglione d'Orcia varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Castiglione d'Orcia, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (42°F) | 42 mm (1.7 inches) | 84% | low |
| February Weather | 8°C (46°F) | 62 mm (2.4 inches) | 76% | moderate |
| March Weather | 9°C (49°F) | 61 mm (2.4 inches) | 68% | high |
| April Weather | 13°C (55°F) | 73 mm (2.9 inches) | 70% | high |
| May Weather | 17°C (63°F) | 90 mm (3.5 inches) | 69% | very high |
| June Weather | 22°C (72°F) | 32 mm (1.3 inches) | 62% | very high |
| July Weather | 25°C (77°F) | 28 mm (1.1 inches) | 57% | very high |
| August Weather | 25°C (78°F) | 33 mm (1.3 inches) | 55% | very high |
| September Weather | 21°C (69°F) | 68 mm (2.7 inches) | 66% | high |
| October Weather | 15°C (60°F) | 85 mm (3.3 inches) | 79% | moderate |
| November Weather | 11°C (52°F) | 143 mm (5.6 inches) | 84% | moderate |
| December Weather | 7°C (45°F) | 95 mm (3.7 inches) | 83% | low |