Saint-Nazaire Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint-Nazaire.
Climate overview of Saint-Nazaire
Saint-Nazaire, Pays de la Loire, France, experiences significant temperature variation throughout the year. Summers bring daytime highs of 24°C (75°F) in August, while winters cool to 10°C (50°F) in February.
The city receives around 769 mm (30 in) of rainfall per year. December is the wettest month and July the driest. The most sunshine falls in August, with an average of 7.6 hours of daily sunshine.
Saint-Nazaire Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Nazaire — and find the best time to visit.
Monthly Temperature in Saint-Nazaire
Depending on the time of the year, temperatures range from comfortable to chilly in Saint-Nazaire. On average, daytime temperatures range from a comfortable 24°C (75°F) in August to a chilly 10°C (50°F) in February.
Nighttime temperatures range from 16°C (61°F) in August to 5°C (41°F) in February.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint-Nazaire
Generally, Saint-Nazaire has a moderate amount of precipitation, averaging 769 mm (30 in) of rainfall annually. The amount of precipitation varies moderately throughout the year. The wettest month, December, sees around 85 mm (3.3 in) of rainfall, perfect for those who enjoy a bit of rain now and then. The driest month, July, still receives a respectable 47 mm (1.9 in) of rainfall. For more details, please visit our Saint-Nazaire 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 Saint-Nazaire
In Saint-Nazaire, summer days are longer and more sunny, with daily sunshine hours peaking at 7.6 hours in August. As the darker season arrives, the brightness of the sun becomes less. January sees a soft sun for only 2.4 hours per average day.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Saint-Nazaire by Month
The city experiences its highest humidity in December, reaching 89%. In July, the humidity drops to its lowest level at 75%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Best Time to Visit Saint-Nazaire
Rainfall during this time ranges from 47 mm (1.9 in) in July to 61 mm (2.4 in) in May. This means you can expect a mix of sunny days and occasional showers. Seeking the perfect travel destination for this year? We've created a tool that suggests locations matching your desired weather. Let our weather planner guide your travel decisions.
Frequently asked questions about the climate in Saint-Nazaire
What is the best time to visit Saint-Nazaire?
June, July, August and September typically offer the most optimal weather in Saint-Nazaire. In contrast, January tends to have less optimal conditions.
What temperatures can I expect in Saint-Nazaire?
Daytime highs range from 10°C (50°F) in February to 24°C (75°F) in August. Nighttime lows range from 5°C (41°F) to 16°C (61°F). Temperatures vary considerably through the year.
How much rain does Saint-Nazaire get?
Annual rainfall is around 769 mm (30 in). December is the wettest month with 85 mm (3.3 in), while July is the driest with 47 mm (1.9 in).
How sunny is Saint-Nazaire?
Saint-Nazaire receives around 1,797 hours of sunshine per year. August is the sunniest month with 228 hours, while January is the cloudiest with just 73 hours.
Saint-Nazaire 3-Day Forecast
Saint-Nazaire 3-Day Forecast
Saint-Nazaire on the map
Saint-Nazaire is highlighted — select any city to see its climate.
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