Last updated: August 23, 2025
In December, the average temperature in Nantilly, France hovers around 5°C (41°F). Expect chilly days with potential lows of -5°C (23°F) and highs reaching up to 15°C (59°F). The region experiences considerable precipitation, totaling 140 mm (5.5 in) over approximately 18 days, accompanied by a high average humidity of 91%. Prepare accordingly for a typically damp and cool climate!
In December in Nantilly, the average temperature is 5°C (41°F). The maximum can reach 15°C (59°F), while the minimum can drop as low as -5°C (23°F). It’s advisable to pack layered clothing to stay comfortable while exploring the area.
In Nantilly in December, the precipitation amount is 140 mm (5.5 in) over the course of 18 days.
In Nantilly in December humidity is 91%. With an average temperature of 5°C (41°F), this humidity feels like a damp chill that seeps into your bones, making traveling outdoors a rather uncomfortable experience unless you're dressed warmly and prepared for the moist air that clings to your skin.
In Nantilly in December, the maximum UV index is 1, which corresponds to a low Exposure Category. This means you have a time to burn of 45 minutes. For more details, you can check the Hourly UV Index in Nantilly.
UV Risk Categories
Weather in Nantilly varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Nantilly, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 3°C (37°F) | 88 mm (3.5 inches) | 91% | low |
| February Weather | 5°C (42°F) | 76 mm (3.0 inches) | 89% | moderate |
| March Weather | 8°C (46°F) | 87 mm (3.4 inches) | 87% | moderate |
| April Weather | 11°C (52°F) | 47 mm (1.9 inches) | 84% | high |
| May Weather | 15°C (59°F) | 102 mm (4.0 inches) | 80% | very high |
| June Weather | 20°C (68°F) | 78 mm (3.1 inches) | 82% | very high |
| July Weather | 22°C (71°F) | 59 mm (2.3 inches) | 82% | very high |
| August Weather | 21°C (70°F) | 51 mm (2.0 inches) | 77% | very high |
| September Weather | 17°C (63°F) | 50 mm (1.9 inches) | 81% | high |
| October Weather | 12°C (54°F) | 80 mm (3.1 inches) | 89% | moderate |
| November Weather | 7°C (44°F) | 80 mm (3.2 inches) | 89% | low |
| December Weather | 5°C (41°F) | 140 mm (5.5 inches) | 91% | low |