La Roche-Jaudy

La Roche-Jaudy Roc'h-ar-Yeodi
Commune
The church of La Roche-Derrien
Coat of arms
Location of La Roche-Jaudy
La Roche-Jaudy Show map of France La Roche-Jaudy Show map of Brittany
Coordinates: 48°44′50″N 3°15′30″W
Country	France
Region	Brittany
Department	Côtes-d'Armor
Arrondissement	Lannion
Canton	Tréguier
Intercommunality	Lannion-Trégor Communauté
Government
• Mayor (2020–2026)	Jean-Louis Éven[1]
Area ^1	29.42 km^2 (11.36 sq mi)
Population  (2022)[2]	2,643
• Density	90/km^2 (230/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	22264 /22450
Elevation	0–94 m (0–308 ft)
^1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km^2 (0.386 sq mi or 247 acres) and river estuaries.

La Roche-Jaudy (French pronunciation: [la ʁɔʃ ʒodi]; Breton: Roc'h-ar-Yeodi) is a commune in the Côtes-d'Armor department of Brittany in northwestern France. It was established on 1 January 2019 by merger of the former communes of La Roche-Derrien (the seat), Hengoat, Pommerit-Jaudy and Pouldouran.^[3]

Geography

Climate

La Roche-Jaudy has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in La Roche-Jaudy is 11.7 °C (53.1 °F). The average annual rainfall is 891.0 mm (35.08 in) with December as the wettest month. The temperatures are highest on average in August, at around 17.6 °C (63.7 °F), and lowest in January, at around 6.8 °C (44.2 °F). The highest temperature ever recorded in La Roche-Jaudy was 37.2 °C (99.0 °F) on 9 August 2003; the coldest temperature ever recorded was −8.5 °C (16.7 °F) on 12 January 1987.

Climate data for Pommerit-Jaudy, La Roche-Jaudy (1981–2010 averages, extremes 1987−present)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high °C (°F)	16.2 (61.2)	22.3 (72.1)	24.3 (75.7)	28.0 (82.4)	29.7 (85.5)	33.5 (92.3)	36.8 (98.2)	37.2 (99.0)	31.5 (88.7)	30.6 (87.1)	21.6 (70.9)	17.4 (63.3)	37.2 (99.0)
Mean daily maximum °C (°F)	9.4 (48.9)	10.1 (50.2)	12.0 (53.6)	13.6 (56.5)	16.8 (62.2)	19.5 (67.1)	21.6 (70.9)	22.3 (72.1)	20.0 (68.0)	16.3 (61.3)	12.3 (54.1)	9.7 (49.5)	15.3 (59.5)
Daily mean °C (°F)	6.8 (44.2)	7.2 (45.0)	8.5 (47.3)	9.7 (49.5)	12.8 (55.0)	15.3 (59.5)	17.5 (63.5)	17.6 (63.7)	15.6 (60.1)	12.8 (55.0)	9.3 (48.7)	7.1 (44.8)	11.7 (53.1)
Mean daily minimum °C (°F)	4.2 (39.6)	4.2 (39.6)	5.1 (41.2)	5.9 (42.6)	8.8 (47.8)	11.1 (52.0)	12.9 (55.2)	13.0 (55.4)	11.3 (52.3)	9.3 (48.7)	6.4 (43.5)	4.5 (40.1)	8.1 (46.6)
Record low °C (°F)	−8.5 (16.7)	−6.5 (20.3)	−3.2 (26.2)	−2.8 (27.0)	−0.6 (30.9)	3.2 (37.8)	6.0 (42.8)	5.2 (41.4)	2.2 (36.0)	−3.1 (26.4)	−5.3 (22.5)	−6.7 (19.9)	−8.5 (16.7)
Average precipitation mm (inches)	91.3 (3.59)	86.4 (3.40)	64.0 (2.52)	73.1 (2.88)	59.7 (2.35)	54.0 (2.13)	51.7 (2.04)	45.1 (1.78)	57.1 (2.25)	96.1 (3.78)	101.9 (4.01)	110.6 (4.35)	891.0 (35.08)
Average precipitation days (≥ 1.0 mm)	14.2	13.4	11.8	12.3	9.4	8.0	9.4	8.3	9.5	14.4	15.4	15.0	141.2
Source: Météo France[4]

Population

Historical population

Year	Pop.	±% p.a.
1968	2,556	—
1975	2,409	−0.84%
1982	2,323	−0.52%
1990	2,215	−0.59%
1999	2,328	+0.55%
2007	2,646	+1.61%
2012	2,579	−0.51%
2017	2,688	+0.83%
Source: INSEE[5]

See also

• Communes of the Côtes-d'Armor department

References

1. "Répertoire national des élus: les maires". data.gouv.fr, Plateforme ouverte des données publiques françaises (in French). 2 December 2020.
2. (in French). The National Institute of Statistics and Economic Studies. 19 December 2024 https://www.insee.fr/fr/statistiques/8288323?geo=COM-22264. {{cite web}}: Missing or empty |title= (help)
3. Arrêté préfectoral 29 October 2018 (in French)
4. "Climate of La Roche-Jaudy 1981-2010" (PDF) (in French). Météo-France. Retrieved 19 June 2022.
5. Population en historique depuis 1968, INSEE