Last updated: August 23, 2025
In January, the average temperature in Chateauneuf-sur-Isere, France hovers around 4°C (39°F), with extremes dipping to a chill of -10°C (15°F) and occasionally reaching a mild 16°C (61°F). Expect about 55 mm (2.2 in) of precipitation over 10 days, contributing to the area’s remarkable 91% average humidity.
In January in Chateauneuf-sur-Isere, the average temperature is 4°C (39°F). Maximums can reach 16°C (61°F) and minimums can be as low as -10°C (15°F). Be prepared for a cool and potentially chilly visit, so pack accordingly!
In Chateauneuf-sur-Isere in January, the precipitation amount is 55 mm (2.2 in) spread over a duration of 10 days.
In Chateauneuf-sur-Isere in January, humidity is 91%. With an average temperature of 4°C (39°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities less enjoyable and forcing travelers to bundle up tightly against the cold, sticky air.
In Chateauneuf-sur-Isere in January, 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-sur-Isere, you can visit Hourly UV Index in Chateauneuf-sur-Isere.
UV Risk Categories
Weather in Chateauneuf-sur-Isere varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Chateauneuf-sur-Isere, focusing on differences in temperature, rainfall, humidity, and UV levels.
| Temperature | Precipitation | Humidity | UV | |
|---|---|---|---|---|
| January Weather | 4°C (39°F) | 55 mm (2.2 inches) | 91% | low |
| February Weather | 6°C (44°F) | 54 mm (2.1 inches) | 88% | moderate |
| March Weather | 9°C (48°F) | 70 mm (2.8 inches) | 84% | moderate |
| April Weather | 12°C (54°F) | 52 mm (2.0 inches) | 81% | high |
| May Weather | 16°C (61°F) | 108 mm (4.3 inches) | 77% | very high |
| June Weather | 21°C (69°F) | 66 mm (2.6 inches) | 76% | very high |
| July Weather | 23°C (74°F) | 50 mm (1.9 inches) | 68% | very high |
| August Weather | 23°C (73°F) | 46 mm (1.8 inches) | 61% | very high |
| September Weather | 19°C (66°F) | 38 mm (1.5 inches) | 72% | high |
| October Weather | 13°C (56°F) | 97 mm (3.8 inches) | 88% | moderate |
| November Weather | 8°C (46°F) | 100 mm (3.9 inches) | 91% | moderate |
| December Weather | 5°C (42°F) | 113 mm (4.5 inches) | 92% | low |