Last updated: August 23, 2025
In Pian Rosso-Costa, Italy, the average temperature in December hovers around 7°C (45°F). Expect minimum temperatures to drop as low as -3°C (26°F), while highs can reach up to 16°C (61°F). During this month, precipitation amounts to 106 mm (4.2 in), spread over 9 days, contributing to an average humidity of 76%. Prepare for a mix of chilly days and occasional rainfall!
In December in Pian Rosso-Costa, the average temperature is 7°C (45°F). Maximums can reach 16°C (61°F) and minimums can be as low as -3°C (26°F). This means travelers should be prepared for a mix of cool and mild weather, making it a great time for layering and enjoying outdoor activities.
In Pian Rosso-Costa in December, the total precipitation amount is 106 mm (4.2 in), spread over the course of 9 days.
In Pian Rosso-Costa in December, humidity is 76%. With an average temperature of 7°C (45°F), this humidity feels like a chilly embrace that can make even short walks feel damp and uncomfortable, requiring travelers to dress in layers and prepare for sudden changes in weather.
In Pian Rosso-Costa 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 Pian Rosso-Costa, you can visit Hourly UV Index in Pian Rosso-Costa.
UV Risk Categories
Weather in Pian Rosso-Costa varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Pian Rosso-Costa, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (43°F) | 61 mm (2.4 inches) | 80% | low |
| February Weather | 8°C (46°F) | 53 mm (2.1 inches) | 72% | moderate |
| March Weather | 9°C (48°F) | 83 mm (3.3 inches) | 69% | high |
| April Weather | 12°C (53°F) | 93 mm (3.7 inches) | 74% | high |
| May Weather | 15°C (59°F) | 105 mm (4.1 inches) | 75% | very high |
| June Weather | 19°C (67°F) | 71 mm (2.8 inches) | 72% | very high |
| July Weather | 22°C (71°F) | 76 mm (3.0 inches) | 69% | very high |
| August Weather | 22°C (72°F) | 47 mm (1.9 inches) | 68% | very high |
| September Weather | 19°C (66°F) | 81 mm (3.2 inches) | 70% | high |
| October Weather | 15°C (59°F) | 117 mm (4.6 inches) | 77% | moderate |
| November Weather | 10°C (51°F) | 167 mm (6.6 inches) | 80% | moderate |
| December Weather | 7°C (45°F) | 106 mm (4.2 inches) | 76% | low |