Last updated: June 24, 2025
In December, the average temperature in Marseilles, United States hovers around 1°C (34°F). This month can see extremes, with minimums dipping to -21°C (-6°F) and maximums reaching up to 20°C (68°F). Expect about 55 mm (2.2 in) of precipitation spread across 6 days, contributing to an average humidity of 84%. Stay prepared for a mix of chilly days and wet weather!
In December in Marseilles, the average temperature is 1°C (34°F). The maximum can reach 20°C (68°F), while the minimum can be as low as -21°C (-6°F). It's advisable to pack layers when traveling to this destination during this time of year, as the temperature can fluctuate significantly.
In Marseilles in December, the total precipitation amount is 55 mm (2.2 in) spread over 6 days.
In Marseilles in December humidity is 84%. With an average temperature of 1°C (34°F), this humidity feels like a biting chill that seeps into your bones, making travel uncomfortable and requiring extra layers to keep warm while navigating the damp air.
In Marseilles 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 Marseilles, you can visit Hourly UV Index in Marseilles.
UV Risk Categories
Weather in Marseilles varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Marseilles, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | -3°C (26°F) | 62 mm (2.5 inches) | 82% | moderate |
| February Weather | -2°C (28°F) | 66 mm (2.6 inches) | 83% | moderate |
| March Weather | 5°C (41°F) | 93 mm (3.7 inches) | 84% | high |
| April Weather | 10°C (50°F) | 117 mm (4.6 inches) | 85% | very high |
| May Weather | 17°C (63°F) | 165 mm (6.5 inches) | 79% | very high |
| June Weather | 23°C (73°F) | 145 mm (5.7 inches) | 82% | very high |
| July Weather | 24°C (76°F) | 101 mm (4.0 inches) | 80% | very high |
| August Weather | 23°C (74°F) | 87 mm (3.4 inches) | 81% | very high |
| September Weather | 20°C (69°F) | 91 mm (3.6 inches) | 80% | very high |
| October Weather | 13°C (56°F) | 134 mm (5.3 inches) | 82% | high |
| November Weather | 4°C (40°F) | 57 mm (2.2 inches) | 88% | moderate |
| December Weather | 1°C (34°F) | 55 mm (2.2 inches) | 84% | low |