La Roche-Derrien, France
Brittany · France
La Roche-Derrien is a small town in Brittany, France with a population of 1,063. Elevation: 75 ft (23 m). Average temperature: 53°F (12°C).
Population source: Wikidata (dated census and official estimates), GeoNames. Climate: WorldClim 2.1 normals (1970-2000), NASA POWER. Updated August 2026
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About La Roche-Derrien
La Roche-Derrien is a former commune in the Côtes-d'Armor department of Brittany in northwestern France. On 1 January 2019, it was merged into the new commune La Roche-Jaudy.
People
Climate
| Population | 1,063 |
| Population Density | 228 / sq mi |
| Elevation | 75 ft (23 m) |
| Coordinates | 48.7469°, -3.2606° |
| Timezone | Europe/Paris |
| Country | 🇫🇷 France |
| State / Province | Brittany |
| Average Temperature | 53°F (12°C) |
| January Average | 43°F (6°C) |
| July Average | 61°F (16°C) |
| Annual Precipitation | 43.1 inches (1,094 mm) |
| Annual Snowfall | 3.3 inches (8 cm) |
About La Roche-Derrien
La Roche-Derrien is a small town in France (Brittany) with a population of 1,063. The city sits at an elevation of 75 feet (23 meters) above sea level. The average annual temperature is 53°F (12°C). Temperatures range from 43°F in January to 61°F in July. Annual precipitation averages 43.1 inches. The timezone is Europe/Paris.
Climate in La Roche-Derrien
La Roche-Derrien has an average annual temperature of 12.2°C (54°F). The hottest month is Aug (17.6°C), the coldest is Jan (7.8°C). Average annual precipitation is 853 mm.
Temperature
| Annual Average | 53.0°F |
| 2% below France avg | |
| January Average | 43°F (6°C) |
| July Average | 61°F (16°C) |
Geography
| Elevation | 75 ft (23 m) |
| Area | 4.7 sq mi (12.1 km²) |
| Population Density | 228/sq mi |
| Coordinates | 48.7469°N, 3.2606°W |
| Timezone | Europe/Paris |
Precipitation & Snow
Air Quality
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 4.4 in | Coldest |
| February | 44°F (7°C) | 3.5 in | |
| March | 47°F (8°C) | 3.2 in | |
| April | 49°F (9°C) | 2.4 in | |
| May | 54°F (12°C) | 2.5 in | |
| June | 58°F (15°C) | 2.0 in | |
| July | 61°F (16°C) | 1.7 in | Driest |
| August | 63°F (17°C) | 2.1 in | Warmest |
| September | 60°F (15°C) | 2.9 in | |
| October | 55°F (13°C) | 3.7 in | |
| November | 49°F (10°C) | 4.5 in | Wettest |
| December | 46°F (8°C) | 4.5 in |
La Roche-Derrien has a seasonal temperature swing of 20°F / from 43°F in January to 63°F in August. Total annual precipitation is 37.4 inches, with November being the wettest month (4.5") and July the driest (1.7").
Schools in La Roche-Derrien
2 public schools (OpenStreetMap data).
| School | Level | Enrollment | Teachers | Student/Teacher |
|---|---|---|---|---|
| École primaire privée Sainte-Catherine | - | - | - | - |
| École Yvon Le Men | - | - | - | - |
Radio Stations near La Roche-Derrien
2 stations within ~55 km.
| Station | Genre | Quality | |
|---|---|---|---|
| CanalBreizh | breizh | MP3 192 kbps | |
| Radio Kreiz Breizh | breton | MP3 256 kbps |
Museums in La Roche-Derrien
| Name | Type | Address | Phone | Annual Revenue |
|---|---|---|---|---|
| Le Palacret | ||||
| Maison d'Ernest Renan | ||||
| Maison des Potiers | ||||
| Maison des talus et des routoirs à lin | ||||
| Mémoire d'Islande | ||||
| Milmarin | ||||
| Musée de l'histoire de Bretagne | ||||
| Musée de la Mer | ||||
| Musée des Forteresses Volantes |
Libraries in La Roche-Derrien
| Name | Address | Staff | Annual Visits | Circulation | Collection | Programs |
|---|---|---|---|---|---|---|
| Antenne de Cavan | 0.0 | |||||
| Bibliothèque | 0.0 | |||||
| Bibliothèque | 0.0 | |||||
| Bibliothèque | 0.0 | |||||
| Bibliothèque | 0.0 | |||||
| Bibliothèque | 0.0 | |||||
| Bibliothèque | 0.0 | |||||
| Bibliothèque | 0.0 | |||||
| Bibliothèque Jean-François Revel | 0.0 | |||||
| Bibliothèque La roche Derrien | 0.0 | |||||
| Bibliothèque Marianne Le druillenec | 0.0 | |||||
| Bibliothèque Municipale | 0.0 | |||||
| Bibliothèque Municipale | 0.0 | |||||
| Bibliothèque Municipale | 0.0 | |||||
| Bibliothèque municipale | 0.0 | |||||
| Bibliothèque municipale | 0.0 | |||||
| Bibliothèque Municipale | 0.0 | |||||
| Bibliothèque Municipale | 0.0 | |||||
| Bibliothèque municipale | 0.0 | |||||
| Bibliothèque Municipale de Pedernec | 0.0 | |||||
| Bibliothèque Perros-Guirec | 0.0 | |||||
| Centre culturel | 0.0 | |||||
| Espace l'oiseau Lyre | 0.0 | |||||
| La page en cours | 0.0 | |||||
| Les Amis de la Bibliothèque | 0.0 | |||||
| Médiathèque | 0.0 | |||||
| Médiathèque | 0.0 | |||||
| Médiathèque | 0.0 | |||||
| Médiathèque | 0.0 | |||||
| Médiathèque | 0.0 | |||||
| Médiathèque | 0.0 | |||||
| Médiathèque | 0.0 | |||||
| Médiathèque Chauvel | 0.0 |
Farmers Markets in La Roche-Derrien
| Name | Address | Season | Hours | Organic | Website |
|---|---|---|---|---|---|
| Halles Centrales | |||||
| Marché | |||||
| Marché à la ferme | |||||
| Marché Au Cadran | |||||
| Marché Buguéles | |||||
| Marché de La Clarté | |||||
| Marché de Lannion | |||||
| Marché de Paimpol | |||||
| Marché de Perros-Guirec | |||||
| Marché dominical de Lannion | |||||
| Marché du Vally | |||||
| Marché Penvénan | |||||
| Marché Port-Blanc | |||||
| Marché producteurs Kerbiguet | |||||
| Place du Martray | |||||
| Place Nd de Coat Colvezou |
Veterinaries in La Roche-Derrien
1 veterinaries within city radius - OpenStreetMap data
Banks in La Roche-Derrien
1 banks within city radius - OpenStreetMap data
Gyms in La Roche-Derrien
1 gyms within city radius - OpenStreetMap data
Breweries in La Roche-Derrien
| Name | Type | Address | Phone | Website |
|---|---|---|---|---|
| Brasstillerie KanArFoll | ||||
| La Bonne Humeur - Brasserie Artisanale de Paimpol | ||||
| Philomenn - Brasserie Artisanale Touken | ||||
| Philomenn - Brasserie Artisanale Touken |
Stadiums & Teams in La Roche-Derrien
| Team | League | Division |
|---|---|---|
Airports Near La Roche-Derrien
8 airports within the area.
| Airport | IATA | Type |
|---|---|---|
| Guernsey Airport | GCI | Medium Airport |
| Lannion Airport | LAI | Medium Airport |
| Morlaix-Ploujean Airport | MXN | Medium Airport |
| Saint-Brieuc-Armor Airport | SBK | Medium Airport |
| Guiscriff Scaer Airfield | - | Small Airport |
| Kerfot Ultralight Airfield | - | Small Airport |
| Pontivy Airfield | - | Small Airport |
| Poullaouen Le Stancou Airfield | - | Small Airport |
Post Offices in La Roche-Derrien
1 post offices.
| Post Office | Address |
|---|---|
| La Poste |
Churches & Religious Organizations in La Roche-Derrien
2 religious organizations (IRS tax-exempt data).
| Name | Address |
|---|---|
| Chapelle Notre-Dame de Pitié | |
| Église Sainte-Catherine |
Quick Facts
🇫🇷 About France
Public Holidays in France
11 public holidays this year
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Get ReportFrequently Asked Questions About La Roche-Derrien
What is the population of La Roche-Derrien?
La Roche-Derrien has a population of 1,063 residents and is located in France. The population density is 228 people per square mile, spread across 4.7 square miles.
What is the weather like in La Roche-Derrien?
La Roche-Derrien has a four-season climate with an average annual temperature of 53°F (12°C). Winter temperatures average 43°F in January, while summers reach an average of 61°F in July. Annual rainfall totals 43.1 inches, with 3.3 inches of snow.
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