Last updated: August 23, 2025
In Castelnau-de-Medoc, France, the average temperature in December hovers around 9°C (48°F). However, expect some variability, with minimums dipping to -5°C (24°F) and maximums reaching 18°C (64°F). You'll also want to prepare for frequent showers, as precipitation averages 118 mm (4.7 in) over 16 days. With an average humidity of 85%, it’s wise to pack accordingly for this moist and cool month!
In December in Castelnau-de-Medoc, the average temperature is 9°C (48°F). The maximum can reach 18°C (64°F) and the minimum can be as low as -5°C (24°F). Travelers should be prepared for a range of temperatures and pack accordingly.
In Castelnau-de-Medoc in December, the total precipitation amount is 118 mm (4.7 in) spread over 16 days.
In Castelnau-de-Medoc in December humidity is 85%. With an average temperature of 9°C (48°F), this humidity feels like a damp chill enveloping you, making outdoor activities less enjoyable and requiring extra layers to stay warm and comfortable while traveling.
In Castelnau-de-Medoc 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-Medoc, you can visit Hourly UV Index in Castelnau-de-Medoc.
UV Risk Categories
Weather in Castelnau-de-Medoc varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Castelnau-de-Medoc, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (44°F) | 61 mm (2.4 inches) | 85% | low |
| February Weather | 9°C (48°F) | 63 mm (2.5 inches) | 83% | moderate |
| March Weather | 11°C (51°F) | 71 mm (2.8 inches) | 82% | moderate |
| April Weather | 13°C (56°F) | 59 mm (2.3 inches) | 82% | high |
| May Weather | 17°C (62°F) | 117 mm (4.6 inches) | 82% | very high |
| June Weather | 20°C (68°F) | 89 mm (3.5 inches) | 80% | very high |
| July Weather | 22°C (72°F) | 41 mm (1.6 inches) | 76% | very high |
| August Weather | 22°C (71°F) | 39 mm (1.5 inches) | 73% | very high |
| September Weather | 19°C (67°F) | 53 mm (2.1 inches) | 76% | high |
| October Weather | 15°C (59°F) | 70 mm (2.8 inches) | 81% | moderate |
| November Weather | 10°C (50°F) | 78 mm (3.1 inches) | 83% | moderate |
| December Weather | 9°C (48°F) | 118 mm (4.7 inches) | 85% | low |