Last updated: August 23, 2025
In December, the average temperature in Saint-Genis-des-Fontaines, France hovers around 9°C (49°F), with a minimum of -1°C (31°F) and a maximum reaching up to 20°C (67°F). Expect about 40 mm (1.6 in) of precipitation spread over 6 days, contributing to an average humidity of 83%.
In December in Saint-Genis-des-Fontaines, the average temperature is 9°C (49°F), with maximums reaching up to 20°C (67°F) and minimums dropping as low as -1°C (31°F). This makes it an ideal time for travelers to experience a cool yet pleasant climate while exploring the beauty of Saint-Genis-des-Fontaines.
In Saint-Genis-des-Fontaines in December, the precipitation amount is 40 mm (1.6 in) over the course of 6 days.
In Saint-Genis-des-Fontaines in December, humidity is 83%. With an average temperature of 9°C (49°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities uncomfortable for traveling and requiring extra layers to stay warm and dry.
In Saint-Genis-des-Fontaines 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 Saint-Genis-des-Fontaines, you can visit Hourly UV Index in Saint-Genis-des-Fontaines.
UV Risk Categories
Weather in Saint-Genis-des-Fontaines varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Saint-Genis-des-Fontaines, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 8°C (46°F) | 66 mm (2.6 inches) | 82% | moderate |
| February Weather | 10°C (50°F) | 50 mm (2.0 inches) | 77% | moderate |
| March Weather | 12°C (53°F) | 54 mm (2.1 inches) | 73% | moderate |
| April Weather | 14°C (57°F) | 81 mm (3.2 inches) | 73% | high |
| May Weather | 18°C (64°F) | 51 mm (2.0 inches) | 71% | very high |
| June Weather | 22°C (72°F) | 36 mm (1.4 inches) | 67% | very high |
| July Weather | 25°C (78°F) | 14 mm (0.6 inches) | 66% | very high |
| August Weather | 25°C (77°F) | 26 mm (1.0 inches) | 63% | very high |
| September Weather | 21°C (70°F) | 53 mm (2.1 inches) | 70% | high |
| October Weather | 17°C (63°F) | 104 mm (4.1 inches) | 80% | high |
| November Weather | 12°C (53°F) | 75 mm (3.0 inches) | 84% | moderate |
| December Weather | 9°C (49°F) | 40 mm (1.6 inches) | 83% | low |