Ferney-Voltaire Weather & Climate: Best Time to Visit

The climate in Ferney-Voltaire is known for significant temperature differences throughout the year, making the weather dynamic. Average daytime temperatures reach a comfortable 25°C (77°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 6°C (43°F).

At night, temperatures range from around 14°C (57°F) in July to -2°C (28°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Ferney-Voltaire has a notably wet climate with abundant precipitation, recording 1564 mm (62 in) of rain/snowfall per year. Despite minor fluctuations, Ferney-Voltaire enjoys fairly consistent precipitation throughout the year. In May, you can expect around 148 mm (5.8 in) of precipitation, while in March, Ferney-Voltaire receives about 120 mm (4.7 in). For more details, please visit our Ferney-Voltaire Precipitation page.

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

The average number of days each month with precipitation

Ferney-Voltaire can be enjoyed more throughout the sunniest month of July under a blue sky, with approximately 8.9 hours of sunshine daily. In contrast, the city experiences much darker days in December, with only 1.6 hours of sunlight per day.

Visit our detailed sunshine hours page for more information.

Monthly hours of sunshine

Daily hours of sunshine

Daily percentage of sunshine

The mean water temperature over the year ranges from 6°C (43°F) in January to 23°C (73°F) in August.

Water temperature over the year

The relative humidity is high throughout the year in Ferney-Voltaire.

The city experiences its highest humidity in December, reaching 82%. In April, the humidity drops to its lowest level at 64%. What does this mean? Read our detailed page on humidity levels for further details.

Relative humidity over the year