Saint-Herblain Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Saint-Herblain.
Climate overview of Saint-Herblain
Saint-Herblain, Pays de la Loire, France, experiences significant temperature variation throughout the year. Summers bring daytime highs of 25°C (77°F) in August, while winters cool to 10°C (50°F) in January.
With around 769 mm (30 in) of annual rainfall, the city has moderate precipitation levels. December is the wettest month and July the driest. It also has warm summers and cold winters. August is the sunniest month, averaging 7.6 hours of sunshine per day.
Saint-Herblain Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Saint-Herblain - and find the best time to visit.
Monthly Temperature in Saint-Herblain
Depending on the time of the year, temperatures range from comfortable to chilly in Saint-Herblain. Typically, average maximum daytime temperatures range from a comfortable 25°C (77°F) in August to a chilly 10°C (50°F) in the coolest month, January.
Nights vary from 15°C (59°F) in August to around 3°C (37°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Saint-Herblain
Generally, Saint-Herblain has a moderate amount of precipitation, averaging 769 mm (30 in) of rainfall annually. Saint-Herblain offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month December (84 mm (3.3 in)) and the driest month July (45 mm (1.8 in)) is not too significant. For more details, please visit our Saint-Herblain 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-Herblain
For those who appreciate different seasons, Saint-Herblain serves as an ideal destination. Expect longer, more sun-filled days in August with an average of 7.6 hours of sunshine daily, and embrace the darker days in January, offering only 2.4 hours of daily sunlight.
Visit our detailed sunshine hours page for more information.
Monthly hours of sunshine
Daily hours of sunshine
Daily percentage of sunshine
Humidity in Saint-Herblain 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-Herblain
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: May, June, July, August and September
- Warmest weather: July and August
- Most sunshine: August
- Fewest rainy days: June, July, August and September
- Seasonal pattern: Warm summers and cold winters
Frequently asked questions about the climate in Saint-Herblain
What is the best time to visit Saint-Herblain?
May, June, July, August and September typically offer the most optimal weather in Saint-Herblain. In contrast, January tends to have less optimal conditions. Saint-Herblain has warm summers and cold winters.
What temperatures can I expect in Saint-Herblain?
Daytime highs range from 10°C (50°F) in January to 25°C (77°F) in August. Nighttime lows range from 3°C (37°F) to 15°C (59°F). Temperatures vary considerably through the year.
How much rain does Saint-Herblain get?
Annual rainfall is around 769 mm (30 in). December is the wettest month with 84 mm (3.3 in), while July is the driest with 45 mm (1.8 in).
How sunny is Saint-Herblain?
Saint-Herblain 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-Herblain 3-Day Forecast
Saint-Herblain on the map
Saint-Herblain is highlighted - select any city to see its climate.
Popular this month
Where to go in August - average daytime high across popular destinations.
Marseille
32°C (90°F) Toulouse
29°C (84°F) Bordeaux29°C (84°F) Lyon28°C (82°F) Cannes27°C (81°F) Nice27°C (81°F) Paris26°C (79°F) Chamonix-Mont-Blanc
18°C (64°F) 
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
The 10 most charming villages in France
Discover France's top 10 beautiful villages. From Normandy to the Côte d'Azur, experience quaint squares and cobbled streets. Which one will you visit this summer?
An alternative way to discover Paris
From street art, vintage shops, vegetarian cafes, to amazing cultural events, Paris has much to offer for the creative traveler. An overview of sights that you must see if you want to visit this city in an alternative way.
Nature is allowed to take its course in the Ardeche
The Ardèche is France at its most beautiful. The authentic villages and breathtaking mountainous landscapes are one of the main reasons. he climate in Ardèche is very pleasant. Temperatures are high during summer and it is often very sunny.
Explore the natural wonders of Corsica
Corsica offers an abundance of incredible natural wonders to explore. This stunning Mediterranean island is a paradise for outdoor enthusiasts and nature lovers alike.