Grilly Weather & Climate: Best Time to Visit

Temperatures in Grilly, Rhône-Alps, France, vary greatly throughout the year. July is the hottest month at 24°C (75°F), while January is the coldest at 5°C (41°F).

The city has a wet climate, receiving around 1630 mm (64 in) of rain/snowfall per year. December is the wettest month. The most sunshine falls in July, with an average of 8.9 hours of daily sunshine.

Monthly Temperature in Grilly

The climate in Grilly is known for significant temperature differences throughout the year, making the weather dynamic. On average, daytime temperatures range from a comfortable 24°C (75°F) in July to a chilly 5°C (41°F) in January.

Nighttime temperatures range from 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

Rainfall in Grilly

Grilly has a notably wet climate with abundant precipitation, recording 1630 mm (64 in) of rain/snowfall per year. The wettest period in Grilly occurs in December, which receives around 153 mm (6 in) of precipitation. During the driest month, March, Grilly experiences high rainfall, totaling 124 mm (4.9 in). The consistent precipitation levels throughout the year contribute to a relatively stable climate. For more details, please visit our Grilly Precipitation page.

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

The average number of days each month with precipitation

Sunshine Hours in Grilly

In Grilly, summer days are longer and more sunny, with daily sunshine hours peaking at 8.9 hours in July. As the darker season arrives, the brightness of the sun becomes less. December sees a soft sun for only 1.6 hours per average day.

Visit our detailed sunshine hours page for more information.