La Roche-sur-Foron Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit La Roche-sur-Foron.
Climate overview of La Roche-sur-Foron
La Roche-sur-Foron, Rhône-Alps, France, experiences significant temperature variation throughout the year. Summers bring daytime highs of 23°C (73°F) in July, while winters cool to 4°C (39°F) in January.
With around 1647 mm (65 in) of annual rain/snowfall, La Roche-sur-Foron has a notably wet climate. However, this rain/snowfall is not evenly distributed, the city has warm summers and cold winters. The wettest month is May. The sunniest month is July, with 8.9 hours of sunshine per day on average.
La Roche-sur-Foron Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in La Roche-sur-Foron - and find the best time to visit.
Monthly Temperature in La Roche-sur-Foron
Depending on the time of the year, temperatures range from comfortable to chilly in La Roche-sur-Foron. Average daytime temperatures reach a comfortable 23°C (73°F) in July. In January, the coolest month of the year, temperatures drop to a chilly 4°C (39°F).
At night, temperatures range from around 12°C (54°F) in July to -5°C (23°F) in January.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in La Roche-sur-Foron
La Roche-sur-Foron has a relatively rain/snowy climate with high precipitation levels, averaging 1647 mm (65 in) of rain/snowfall annually. Despite minor fluctuations, La Roche-sur-Foron enjoys fairly consistent precipitation throughout the year. In May, you can expect around 170 mm (6.7 in) of precipitation, while in October, La Roche-sur-Foron receives about 120 mm (4.7 in). For more details, please visit our La Roche-sur-Foron 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 La Roche-sur-Foron
La Roche-sur-Foron 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
Water Temperature in La Roche-sur-Foron
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
Humidity in La Roche-sur-Foron by Month
The relative humidity is high throughout the year in La Roche-sur-Foron.
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
Best Time to Visit La Roche-sur-Foron
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: June, July and August
- Warmest weather: July and August
- Most sunshine: July
- Best for swimming: June, July, August and September.
- Seasonal pattern: Warm summers and cold winters
- Coldest conditions: January, with freezing nights around -5°C (23°F).
Frequently asked questions about the climate in La Roche-sur-Foron
What is the best time to visit La Roche-sur-Foron?
June, July and August typically offer the most optimal weather in La Roche-sur-Foron. In contrast, January, February, March, November and December tend to have less optimal conditions. La Roche-sur-Foron has warm summers and cold winters.
What temperatures can I expect in La Roche-sur-Foron?
Daytime highs range from 4°C (39°F) in January to 23°C (73°F) in July. Nighttime lows range from -5°C (23°F) to 12°C (54°F). Temperatures vary considerably through the year.
How much rain does La Roche-sur-Foron get?
Annual rainfall is around 1647 mm (65 in). May is the wettest month with 170 mm (6.7 in), while October is the driest with 120 mm (4.7 in).
How sunny is La Roche-sur-Foron?
La Roche-sur-Foron receives around 1,883 hours of sunshine per year. July is the sunniest month with 267 hours, while December is the cloudiest with just 47 hours.
La Roche-sur-Foron 3-Day Forecast
La Roche-sur-Foron on the map
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