Last updated: August 23, 2025
In Monticello, France, the average temperature in December is a cool 8°C (47°F), with a minimum dipping to -1°C (31°F) and a maximum reaching 17°C (63°F). Expect 106 mm (4.2 in) of precipitation over about 14 days, and don't forget the average humidity of 76%, which adds to the chilly atmosphere.
In December in Monticello, the average temperature is 8°C (47°F). The maximum can reach up to 17°C (63°F), while the minimum can dip as low as -1°C (31°F). This variation in temperature makes it advisable for travelers to pack both light layers for the daytime and warmer clothing for the cooler evenings.
In Monticello in December, the precipitation amount is 106 mm (4.2 in) over a period of 14 days.
In Monticello in December, humidity is 76%. With an average temperature of 8°C (47°F), this humidity feels like traveling through a thick, damp blanket that clings to your skin, making every stroll feel heavier and more exhausting than it should.
In Monticello 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 Monticello, you can visit Hourly UV Index in Monticello.
UV Risk Categories
Weather in Monticello varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Monticello, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 7°C (44°F) | 58 mm (2.3 inches) | 80% | moderate |
| February Weather | 8°C (47°F) | 72 mm (2.9 inches) | 72% | moderate |
| March Weather | 9°C (49°F) | 67 mm (2.6 inches) | 69% | high |
| April Weather | 12°C (54°F) | 75 mm (3.0 inches) | 74% | very high |
| May Weather | 16°C (61°F) | 99 mm (3.9 inches) | 75% | very high |
| June Weather | 21°C (70°F) | 49 mm (1.9 inches) | 72% | very high |
| July Weather | 24°C (75°F) | 28 mm (1.1 inches) | 69% | very high |
| August Weather | 24°C (76°F) | 31 mm (1.2 inches) | 68% | very high |
| September Weather | 20°C (68°F) | 59 mm (2.3 inches) | 70% | high |
| October Weather | 16°C (60°F) | 70 mm (2.7 inches) | 77% | high |
| November Weather | 11°C (53°F) | 142 mm (5.6 inches) | 80% | moderate |
| December Weather | 8°C (47°F) | 106 mm (4.2 inches) | 76% | low |