Landerneau Weather & Climate: Best Time to Visit
Average temperatures, rainfall, sunshine and the best time to visit Landerneau.
Climate overview of Landerneau
Landerneau, Brittany, France, has a moderate seasonal temperature range, with August reaching 21°C (70°F) and January cooling to 11°C (52°F).
The city receives considerable rainfall, with around 1006 mm (40 in) annually. December is the wettest month. It has pleasant summers and cold winters. July is the sunniest month, averaging 7.6 hours of sunshine per day.
Landerneau Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Landerneau - and find the best time to visit.
Monthly Temperature in Landerneau
The climate in Landerneau experiences moderate temperature changes, with mild shifts between seasons. Typically, average maximum daytime temperatures range from a pleasant 21°C (70°F) in August to a chilly 11°C (52°F) in the coolest month, January.
Nights vary from 14°C (57°F) in August to around 5°C (41°F) during the colder months.
Check out our detailed temperature page for more information.
Temperature ranges by month
Rainfall in Landerneau
Landerneau is known for its substantial rainfall, with annual precipitation reaching 1006 mm (40 in). Landerneau offers a pleasant mix of wetter and slightly drier months. The difference in precipitation between the wettest month December (114 mm (4.5 in)) and the driest month July (58 mm (2.3 in)) is not too significant. For more details, please visit our Landerneau 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 Landerneau
For those who appreciate different seasons, Landerneau serves as an ideal destination. Expect longer, more sun-filled days in July with an average of 7.6 hours of sunshine daily, and embrace the darker days in December, offering only 2.1 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
Water Temperature in Landerneau
The mean water temperature over the year ranges from 10°C (50°F) in January to 16°C (61°F) in August.
Water temperature over the year
Humidity in Landerneau by Month
The city experiences its highest humidity in January, reaching 86%. In April, the humidity drops to its lowest level at 81%. What does this mean? Read our detailed page on humidity levels for further details.
Relative humidity over the year
Wind Speed in Landerneau
The mean wind speed over the year ranges from 4 m/s (8 knots) in June, July, August, September, October and November to 5 m/s (10 knots) in January, February, March, April, May and December. What does this mean?
The mean monthly wind speed over the year (meters per second)
Best Time to Visit Landerneau
Monthly ratings reflect general weather comfort, based on daytime temperature and rainfall. Swimming and winter conditions are highlighted separately where relevant.
- Best overall: July, August and September
- Warmest weather: July, August and September
- Most sunshine: July
- Fewest rainy days: June, July, August and September
- Warmest water temperature: July, August and September, although the water may still feel cool.
- Seasonal pattern: Pleasant summers and cold winters
Frequently asked questions about the climate in Landerneau
What is the best time to visit Landerneau?
July, August and September typically offer the most optimal weather in Landerneau. In contrast, January and December tend to have less optimal conditions. Landerneau has pleasant summers and cold winters.
What temperatures can I expect in Landerneau?
Daytime highs range from 11°C (52°F) in January to 21°C (70°F) in August. Nighttime lows range from 5°C (41°F) to 14°C (57°F).
How much rain does Landerneau get?
Annual rainfall is around 1006 mm (40 in). December is the wettest month with 114 mm (4.5 in), while July is the driest with 58 mm (2.3 in).
How sunny is Landerneau?
Landerneau receives around 1,752 hours of sunshine per year. July is the sunniest month with 229 hours, while December is the cloudiest with just 63 hours.
Landerneau 3-Day Forecast
Landerneau on the map
Landerneau 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
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18°C (64°F) 
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