Last updated: August 23, 2025
In Castelnau-de-Montmiral, France, the average temperature in December hovers around 7°C (45°F). Expect a range from a chilly -4°C (25°F) at its lowest to a comfortable 18°C (65°F) at its peak. Be prepared for some rain, as 118 mm (4.6 in) of precipitation typically falls over 15 days. With an average humidity of 88%, it’s advisable to dress in layers to stay cozy!
In December in Castelnau-de-Montmiral, the average temperature is 7°C (45°F). The maximum can reach 18°C (65°F) while the minimum can drop to as low as -4°C (25°F). Be sure to pack layers to stay comfortable during your travels!
In Castelnau-de-Montmiral in December, the precipitation amount is 118 mm (4.6 in) over the course of 15 days.
In Castelnau-de-Montmiral in December humidity is 88%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill that seeps into your bones, making traveling uncomfortable as you navigate through a heavy, thick atmosphere that clings to your skin.
In Castelnau-de-Montmiral 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 Castelnau-de-Montmiral, you can visit Hourly UV Index in Castelnau-de-Montmiral.
UV Risk Categories
Weather in Castelnau-de-Montmiral varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Castelnau-de-Montmiral, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 62 mm (2.4 inches) | 87% | low |
| February Weather | 8°C (47°F) | 63 mm (2.5 inches) | 83% | moderate |
| March Weather | 10°C (50°F) | 67 mm (2.6 inches) | 80% | high |
| April Weather | 13°C (55°F) | 60 mm (2.4 inches) | 77% | high |
| May Weather | 16°C (62°F) | 94 mm (3.7 inches) | 75% | very high |
| June Weather | 21°C (69°F) | 89 mm (3.5 inches) | 74% | very high |
| July Weather | 23°C (74°F) | 53 mm (2.1 inches) | 72% | very high |
| August Weather | 23°C (73°F) | 63 mm (2.5 inches) | 70% | very high |
| September Weather | 19°C (67°F) | 66 mm (2.6 inches) | 73% | high |
| October Weather | 15°C (58°F) | 62 mm (2.5 inches) | 82% | moderate |
| November Weather | 9°C (49°F) | 79 mm (3.1 inches) | 87% | moderate |
| December Weather | 7°C (45°F) | 118 mm (4.6 inches) | 88% | low |