Last updated: August 23, 2025
In December, the average temperature in Aouste-sur-Sye, France hovers around 5°C (41°F). Expect chilly days with minimum temperatures dipping to -5°C (24°F), while maximums can reach a mild 16°C (61°F). This month also brings a noteworthy precipitation amount of 106 mm (4.2 in) over about 14 days, paired with a high average humidity of 92%. Be prepared for a mix of cool, damp weather!
In December in Aouste-sur-Sye, the average temperature is 5°C (41°F). The maximum can reach 16°C (61°F), and the minimum can be as low as -5°C (24°F). This weather makes it essential for travelers to pack layers to stay comfortable throughout the day.
In Aouste-sur-Sye in December, the precipitation amount is 106 mm (4.2 in) over a period of 14 days.
In Aouste-sur-Sye in December humidity is 92%. With an average temperature of 5°C (41°F), this humidity feels like a cold, damp blanket enveloping you, making travel uncomfortable and dampening the spirits of those unprepared for the chill.
In Aouste-sur-Sye 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 Aouste-sur-Sye, you can visit Hourly UV Index in Aouste-sur-Sye.
UV Risk Categories
Weather in Aouste-sur-Sye varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Aouste-sur-Sye, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 48 mm (1.9 inches) | 91% | low |
| February Weather | 6°C (43°F) | 50 mm (2.0 inches) | 88% | moderate |
| March Weather | 8°C (47°F) | 72 mm (2.8 inches) | 84% | moderate |
| April Weather | 11°C (53°F) | 62 mm (2.4 inches) | 81% | high |
| May Weather | 15°C (60°F) | 107 mm (4.2 inches) | 77% | very high |
| June Weather | 20°C (69°F) | 67 mm (2.6 inches) | 76% | very high |
| July Weather | 23°C (73°F) | 41 mm (1.6 inches) | 68% | very high |
| August Weather | 22°C (72°F) | 44 mm (1.7 inches) | 61% | very high |
| September Weather | 18°C (65°F) | 39 mm (1.5 inches) | 72% | high |
| October Weather | 13°C (56°F) | 102 mm (4.0 inches) | 88% | moderate |
| November Weather | 8°C (46°F) | 104 mm (4.1 inches) | 91% | moderate |
| December Weather | 5°C (41°F) | 106 mm (4.2 inches) | 92% | low |