Last updated: August 23, 2025
In December, the average temperature in Chateauneuf-les-Martigues, France hovers around 8°C (46°F). Conditions can vary widely, with minimums dipping to -4°C (25°F) and maximums reaching up to 20°C (68°F). Expect some rain, as the area experiences approximately 62 mm (2.4 in) of precipitation over 8 days. On average, the humidity remains quite high at 79%, creating a chilly yet refreshing atmosphere.
In December in Chateauneuf-les-Martigues, the average temperature is 8°C (46°F), with maximums reaching up to 20°C (68°F) and minimums dropping as low as -4°C (25°F). This weather makes it a great time for travelers to enjoy outdoor activities while being prepared for chilly evenings.
In Chateauneuf-les-Martigues in December, the precipitation amount is 62 mm (2.4 in) over the course of 8 days.
In Chateauneuf-les-Martigues in December humidity is 79%. With an average temperature of 8°C (46°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities a bit less enjoyable and leading travelers to seek cozy, warm spots to regain their comfort.
In Chateauneuf-les-Martigues 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 Chateauneuf-les-Martigues, you can visit Hourly UV Index in Chateauneuf-les-Martigues.
UV Risk Categories
Weather in Chateauneuf-les-Martigues varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Chateauneuf-les-Martigues, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 6°C (44°F) | 40 mm (1.6 inches) | 80% | low |
| February Weather | 9°C (48°F) | 31 mm (1.2 inches) | 73% | moderate |
| March Weather | 11°C (52°F) | 47 mm (1.8 inches) | 71% | moderate |
| April Weather | 14°C (57°F) | 70 mm (2.8 inches) | 75% | high |
| May Weather | 18°C (65°F) | 76 mm (3.0 inches) | 74% | very high |
| June Weather | 23°C (73°F) | 33 mm (1.3 inches) | 72% | very high |
| July Weather | 26°C (78°F) | 12 mm (0.5 inches) | 69% | very high |
| August Weather | 25°C (78°F) | 20 mm (0.8 inches) | 66% | very high |
| September Weather | 21°C (70°F) | 45 mm (1.8 inches) | 71% | high |
| October Weather | 16°C (62°F) | 87 mm (3.4 inches) | 78% | moderate |
| November Weather | 11°C (52°F) | 102 mm (4.0 inches) | 82% | moderate |
| December Weather | 8°C (46°F) | 62 mm (2.4 inches) | 79% | low |