Melgven Mêlwenn
Commune
The chapel of La Trinité, in Melgven
Location of Melgven
Melgven Show map of France Melgven Show map of Brittany
Coordinates: 47°54′24″N 3°50′05″W / 47.9067°N 3.8347°W / 47.9067; -3.8347
Country	France
Region	Brittany
Department	Finistère
Arrondissement	Quimper
Canton	Concarneau
Intercommunality	Concarneau Cornouaille Agglomération
Government
• Mayor (2020–2026)	Catherine Esvant^[1]
Area ¹	51.17 km² (19.76 sq mi)
Population (2021)^[2]	3,405
• Density	67/km² (170/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	29146 /29140
Elevation	1–155 m (3.3–508.5 ft)
¹ French Land Register data, which excludes lakes, ponds, glaciers > 1 km² (0.386 sq mi or 247 acres) and river estuaries.

Melgven (French pronunciation: [mɛlvɛ̃]; Breton: Mêlwenn) is a commune in the Finistère department of Brittany in northwestern France.

Geography

Climate

Melgven has a oceanic climate (Köppen climate classification Cfb). The average annual temperature in Melgven is 11.9 °C (53.4 °F). The average annual rainfall is 1,132.0 mm (44.57 in) with December as the wettest month. The temperatures are highest on average in July, at around 18.1 °C (64.6 °F), and lowest in January, at around 6.5 °C (43.7 °F). The highest temperature ever recorded in Melgven was 39.2 °C (102.6 °F) on 9 August 2003; the coldest temperature ever recorded was −11.0 °C (12.2 °F) on 17 January 1985.

Climate data for Melgven (1981–2010 averages, extremes 1982−2017)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high °C (°F)	15.5 (59.9)	19.0 (66.2)	24.0 (75.2)	26.8 (80.2)	30.5 (86.9)	34.6 (94.3)	36.5 (97.7)	39.2 (102.6)	31.6 (88.9)	29.5 (85.1)	19.8 (67.6)	17.0 (62.6)	39.2 (102.6)
Mean daily maximum °C (°F)	9.4 (48.9)	10.0 (50.0)	12.5 (54.5)	14.7 (58.5)	18.2 (64.8)	21.4 (70.5)	23.4 (74.1)	23.5 (74.3)	21.2 (70.2)	16.9 (62.4)	12.7 (54.9)	10.0 (50.0)	16.2 (61.2)
Daily mean °C (°F)	6.5 (43.7)	6.6 (43.9)	8.5 (47.3)	10.1 (50.2)	13.4 (56.1)	16.2 (61.2)	18.1 (64.6)	18.1 (64.6)	16.0 (60.8)	12.9 (55.2)	9.2 (48.6)	7.0 (44.6)	11.9 (53.4)
Mean daily minimum °C (°F)	3.6 (38.5)	3.2 (37.8)	4.5 (40.1)	5.5 (41.9)	8.6 (47.5)	11.0 (51.8)	12.8 (55.0)	12.6 (54.7)	10.8 (51.4)	8.9 (48.0)	5.7 (42.3)	4.0 (39.2)	7.6 (45.7)
Record low °C (°F)	−11.0 (12.2)	−10.0 (14.0)	−8.0 (17.6)	−4.2 (24.4)	−1.4 (29.5)	2.2 (36.0)	4.0 (39.2)	4.0 (39.2)	3.0 (37.4)	−2.5 (27.5)	−4.8 (23.4)	−7.2 (19.0)	−11.0 (12.2)
Average precipitation mm (inches)	129.9 (5.11)	100.9 (3.97)	89.9 (3.54)	78.2 (3.08)	83.4 (3.28)	55.4 (2.18)	63.0 (2.48)	64.0 (2.52)	80.2 (3.16)	121.4 (4.78)	128.4 (5.06)	137.4 (5.41)	1,132 (44.57)
Average precipitation days (≥ 1.0 mm)	16.0	12.8	13.0	12.2	11.1	8.2	9.6	8.6	9.5	14.9	15.2	15.7	146.8
Source: Meteociel^[3]

Population

Inhabitants of Melgven are called Melgvinois in French.

Historical population

Year	Pop.	±% p.a.
1793	2,133	—
1800	2,239	+0.70%
1806	1,759	−3.94%
1821	2,009	+0.89%
1831	2,029	+0.10%
1836	2,190	+1.54%
1841	2,195	+0.05%
1846	2,274	+0.71%
1851	2,296	+0.19%
1856	2,241	−0.48%
1861	2,327	+0.76%
1866	2,378	+0.43%
1872	2,448	+0.48%
1876	2,632	+1.83%
1881	2,803	+1.27%
1886	2,874	+0.50%
1891	2,950	+0.52%
1896	2,928	−0.15%

Year	Pop.	±% p.a.
1901	2,933	+0.03%
1906	2,949	+0.11%
1911	2,858	−0.62%
1921	2,834	−0.08%
1926	2,879	+0.32%
1931	3,023	+0.98%
1936	2,986	−0.25%
1946	3,018	+0.11%
1954	2,886	−0.56%
1962	2,849	−0.16%
1968	3,072	+1.26%
1975	2,403	−3.45%
1982	2,809	+2.26%
1990	2,987	+0.77%
1999	2,947	−0.15%
2007	3,215	+1.09%
2012	3,404	+1.15%
2017	3,356	−0.28%

Source: EHESS^[4] and INSEE (1968-2017)^[5]

Sights

A gothic church from the 14th century at the center of the village^[6]
Chapelle de Bonne Nouvelle dedicated to notre Dame de Bonne Nouvelle^[6]
Chapelle de la Trinité built at the 16th century by the atelier de Saint Herbot^[6]