Merdrignac

Merdrignac (French pronunciation: [mɛʁdʁiɲak]; Breton: Medrigneg) is a commune in the Côtes-d'Armor department of Brittany in northwestern France. On 1 January 2025, the former commune of Saint-Launeuc was merged into Merdrignac.^[3]

Merdrignac Medrigneg
Commune
The manor of the old village of Merdrignac
Flag Coat of arms
Location of Merdrignac
Merdrignac Show map of France Merdrignac Show map of Brittany
Coordinates: 48°11′36″N 2°24′47″W
Country	France
Region	Brittany
Department	Côtes-d'Armor
Arrondissement	Saint-Brieuc
Canton	Broons
Intercommunality	Loudéac Communauté - Bretagne Centre
Government
• Mayor (2020–2026)	Eric Robin[1]
Area 1	68.70 km2 (26.53 sq mi)
Population  (2022)[2]	3,140
• Density	46/km2 (120/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	22147 /22230
Elevation	77–196 m (253–643 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Geography

The River Meu forms most of the commune's northern border.

Climate

Merdrignac has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Merdrignac is 11.5 °C (52.7 °F). The average annual rainfall is 931.5 mm (36.67 in) with December as the wettest month. The temperatures are highest on average in July, at around 17.9 °C (64.2 °F), and lowest in December, at around 5.5 °C (41.9 °F). The highest temperature ever recorded in Merdrignac was 39.2 °C (102.6 °F) on 5 August 2003; the coldest temperature ever recorded was −8.3 °C (17.1 °F) on 12 January 2010.

Climate data for Merdrignac (1981–2010 averages, extremes 1998−present)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high °C (°F)	17.7 (63.9)	22.0 (71.6)	23.5 (74.3)	27.2 (81.0)	30.5 (86.9)	34.4 (93.9)	36.4 (97.5)	39.2 (102.6)	31.7 (89.1)	29.0 (84.2)	20.3 (68.5)	16.2 (61.2)	39.2 (102.6)
Mean daily maximum °C (°F)	8.6 (47.5)	9.5 (49.1)	12.1 (53.8)	15.0 (59.0)	18.4 (65.1)	22.0 (71.6)	23.3 (73.9)	23.1 (73.6)	21.1 (70.0)	16.5 (61.7)	11.8 (53.2)	8.4 (47.1)	15.8 (60.4)
Daily mean °C (°F)	5.6 (42.1)	6.2 (43.2)	8.1 (46.6)	10.2 (50.4)	13.5 (56.3)	16.6 (61.9)	17.9 (64.2)	17.8 (64.0)	15.7 (60.3)	12.4 (54.3)	8.4 (47.1)	5.5 (41.9)	11.5 (52.7)
Mean daily minimum °C (°F)	2.7 (36.9)	3.0 (37.4)	4.0 (39.2)	5.5 (41.9)	8.6 (47.5)	11.2 (52.2)	12.6 (54.7)	12.5 (54.5)	10.4 (50.7)	8.4 (47.1)	5.1 (41.2)	2.7 (36.9)	7.2 (45.0)
Record low °C (°F)	−8.3 (17.1)	−7.6 (18.3)	−7.0 (19.4)	−2.6 (27.3)	−0.8 (30.6)	3.0 (37.4)	4.9 (40.8)	5.5 (41.9)	1.7 (35.1)	−1.9 (28.6)	−6.5 (20.3)	−7.8 (18.0)	−8.3 (17.1)
Average precipitation mm (inches)	97.0 (3.82)	73.9 (2.91)	80.9 (3.19)	64.9 (2.56)	68.0 (2.68)	40.0 (1.57)	73.5 (2.89)	56.8 (2.24)	60.2 (2.37)	104.6 (4.12)	105.0 (4.13)	106.7 (4.20)	931.5 (36.67)
Average precipitation days (≥ 1.0 mm)	15.0	12.6	12.8	11.3	11.1	6.8	9.8	7.9	8.1	13.6	14.5	14.9	138.5
Source: Meteociel[4]

Population

Inhabitants of Merdrignac are called merdrignaciens in French.

Historical population

Year	Pop.	±% p.a.
1968	2,576	—
1975	2,704	+0.70%
1982	2,780	+0.40%
1990	2,791	+0.05%
1999	2,830	+0.15%
2007	2,921	+0.40%
2012	2,895	−0.18%
2017	2,930	+0.24%
Source: INSEE[5]

See also

• Communes of the Côtes-d'Armor department