Last updated: August 23, 2025
In December, the average temperature in Cessieu, France hovers around 4°C (39°F). Expect chilly conditions, with temperatures dipping as low as -9°C (17°F) and occasionally rising to a mild 15°C (60°F). During this month, the region experiences a notable precipitation of 196 mm (7.7 in) over approximately 17 days, paired with a high average humidity of 90%. Prepare for a damp and cool atmosphere!
In December, in Cessieu, the average temperature is 4°C (39°F). Maximum temperatures can reach 15°C (60°F), while minimums can drop to as low as -9°C (17°F). It's a time to prepare for a mix of chilly days and the occasional mild spell, making it ideal for travelers who enjoy cooler weather and outdoor activities.
In Cessieu in December, the precipitation amount is 196 mm (7.7 in) over the course of 17 days.
In Cessieu in December humidity is 90%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making travel uncomfortable and requiring extra layers to stay warm while navigating the misty streets.
In Cessieu 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 Cessieu, you can visit Hourly UV Index in Cessieu.
UV Risk Categories
Weather in Cessieu varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Cessieu, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 2°C (37°F) | 104 mm (4.1 inches) | 91% | low |
| February Weather | 6°C (42°F) | 90 mm (3.6 inches) | 87% | moderate |
| March Weather | 8°C (47°F) | 111 mm (4.4 inches) | 84% | high |
| April Weather | 12°C (53°F) | 61 mm (2.4 inches) | 83% | high |
| May Weather | 15°C (59°F) | 147 mm (5.8 inches) | 78% | very high |
| June Weather | 20°C (68°F) | 119 mm (4.7 inches) | 75% | very high |
| July Weather | 22°C (72°F) | 93 mm (3.7 inches) | 72% | very high |
| August Weather | 21°C (71°F) | 80 mm (3.2 inches) | 63% | very high |
| September Weather | 17°C (63°F) | 69 mm (2.7 inches) | 73% | high |
| October Weather | 12°C (54°F) | 111 mm (4.4 inches) | 89% | moderate |
| November Weather | 7°C (44°F) | 107 mm (4.2 inches) | 90% | moderate |
| December Weather | 4°C (39°F) | 196 mm (7.7 inches) | 90% | low |