Last updated: August 23, 2025
In December, the average temperature in Riez, France is a crisp 5°C (42°F), with temperatures ranging from a brisk -4°C (25°F) to a mild 17°C (63°F). Expect some rain, as precipitation averages around 75 mm (3.0 in) over 8 days, accompanied by an average humidity of 79%. Embrace the fresh air and prepare for some cozy days ahead!
In December, in Riez, the average temperature is 5°C (42°F), with maximums reaching up to 17°C (63°F) and minimums dropping as low as -4°C (25°F). It's advisable to pack layers if you're traveling during this time to stay comfortable in varying temperatures.
In Riez in December, the total precipitation amount is 75 mm (3.0 in) over the course of 8 days.
In Riez in December, humidity is 79%. With an average temperature of 5°C (42°F), this humidity feels like a chilly mist enveloping you, making outdoor activities challenging and travel less appealing, as the dampness clings to your skin and the cold bites through your layers.
In Riez 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 Riez, you can visit Hourly UV Index in Riez.
UV Risk Categories
Weather in Riez varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Riez, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 5°C (41°F) | 32 mm (1.3 inches) | 80% | low |
| February Weather | 7°C (45°F) | 46 mm (1.8 inches) | 73% | moderate |
| March Weather | 9°C (48°F) | 59 mm (2.3 inches) | 71% | high |
| April Weather | 12°C (54°F) | 77 mm (3.0 inches) | 75% | high |
| May Weather | 16°C (61°F) | 84 mm (3.3 inches) | 74% | very high |
| June Weather | 21°C (70°F) | 47 mm (1.8 inches) | 72% | very high |
| July Weather | 24°C (75°F) | 13 mm (0.5 inches) | 69% | very high |
| August Weather | 23°C (75°F) | 19 mm (0.7 inches) | 66% | very high |
| September Weather | 19°C (66°F) | 33 mm (1.3 inches) | 71% | high |
| October Weather | 14°C (58°F) | 83 mm (3.2 inches) | 78% | moderate |
| November Weather | 9°C (48°F) | 96 mm (3.8 inches) | 82% | moderate |
| December Weather | 5°C (42°F) | 75 mm (3.0 inches) | 79% | low |