Oyonnax Weather & Climate: Best Time to Visit

Average temperatures, rainfall, sunshine and the best time to visit Oyonnax.

Climate overview of Oyonnax

The climate in Oyonnax, Rhône-Alps, France, is marked by large temperature swings across the seasons, ranging from 26°C (79°F) in July to 6°C (43°F) in January.

With around 1642 mm (65 in) of annual rain/snowfall, Oyonnax has a notably wet climate. The wettest month is December. The most sunshine falls in July, with an average of 8.9 hours of daily sunshine.

Oyonnax Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Oyonnax — and find the best time to visit.

Monthly Temperature in Oyonnax

In Oyonnax, temperatures differ significantly between summer and winter months. Average daytime temperatures reach a comfortable 26°C (79°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 -1°C (30°F) in January.

Check out our detailed temperature page for more information.

Temperature ranges by month

Rainfall in Oyonnax

Oyonnax experiences significant rain/snowfall throughout the year, averaging 1642 mm (65 in) of precipitation annually. Despite minor fluctuations, Oyonnax enjoys fairly consistent precipitation throughout the year. In December, you can expect around 162 mm (6.4 in) of precipitation, while in August, Oyonnax receives about 121 mm (4.8 in). For more details, please visit our Oyonnax Precipitation page.

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

Sunshine Hours in Oyonnax

Oyonnax 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

Data from: Geneva, Switzerland (38 KM, 23 Miles).

Daily hours of sunshine

Data from: Geneva, Switzerland (38 KM, 23 Miles).

Humidity in Oyonnax by Month

Best Time to Visit Oyonnax

The best time to visit Oyonnax is during May, June, July, August and September, when the weather provides comfortable temperatures between 20°C (67°F) and 26°C (78°F). With rainfall of 121 mm (4.8 in) to 149 mm (5.9 in), you can expect pleasant weather during your visit in these months.

Be prepared for heavier rainfall during December, the wettest period of the year.

Wondering where to travel based on your weather preferences? Our recommendation tool helps you find destinations with your ideal climate conditions. Use our weather planner to find your perfect destination.

Frequently asked questions about the climate in Oyonnax

What is the best time to visit Oyonnax?

May, June, July, August and September typically offer the most optimal weather in Oyonnax. In contrast, January, February, March, November and December tend to have less optimal conditions.

What temperatures can I expect in Oyonnax?

Daytime highs range from 6°C (43°F) in January to 26°C (79°F) in July. Nighttime lows range from -1°C (30°F) to 14°C (57°F). Temperatures vary considerably through the year.

How much rain does Oyonnax get?

Annual rainfall is around 1642 mm (65 in). December is the wettest month with 162 mm (6.4 in), while August is the driest with 121 mm (4.8 in).

How sunny is Oyonnax?

Oyonnax 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.

Oyonnax 3-Day Forecast

Oyonnax 3-Day Forecast

Oyonnax on the map

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