Châteauneuf-dʼIlle-et-Vilaine Weather & Climate: Best Time to Visit

Visitors to Châteauneuf-dʼIlle-et-Vilaine can expect significant temperature changes throughout the year. Average daytime temperatures reach a comfortable 23°C (73°F) in August. In January, the coolest month of the year, temperatures drop to a chilly 10°C (50°F).

At night, temperatures range from around 15°C (59°F) in August to 4°C (39°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Generally, Châteauneuf-dʼIlle-et-Vilaine experiences moderate precipitation patterns, averaging 894 mm (35 in) yearly. Despite minor fluctuations, Châteauneuf-dʼIlle-et-Vilaine enjoys fairly consistent precipitation throughout the year. In December, you can expect around 96 mm (3.8 in) of precipitation, while in July, Châteauneuf-dʼIlle-et-Vilaine receives about 59 mm (2.3 in). For more details, please visit our Châteauneuf-dʼIlle-et-Vilaine Precipitation page.

The mean monthly precipitation over the year, including rain, hail, and snow

The average number of days each month with precipitation

Châteauneuf-dʼIlle-et-Vilaine can be enjoyed more throughout the sunniest month of June under a blue sky, with approximately 6.9 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 2.2 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

The city experiences its highest humidity in October, reaching 85%. In March, the humidity drops to its lowest level at 78%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year