Brennilis

Brennilis (French pronunciation: [bʁɛnilis]; Breton: Brenniliz) is a commune in the Finistère department of Brittany in northwestern France.

Brennilis Brenniliz
Commune
The Saint-Michel reservoir in Brennilis
Location of Brennilis
Brennilis Show map of France Brennilis Show map of Brittany
Coordinates: 48°21′30″N 3°50′59″W
Country	France
Region	Brittany
Department	Finistère
Arrondissement	Châteaulin
Canton	Carhaix-Plouguer
Intercommunality	Monts d'Arrée Communauté
Government
• Mayor (2020–2026)	Alexis Manac'h[1]
Area 1	18.69 km2 (7.22 sq mi)
Population  (2022)[2]	447
• Density	24/km2 (62/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	29018 /29690
Elevation	149–278 m (489–912 ft)
1 French Land Register data, which excludes lakes, ponds, glaciers > 1 km2 (0.386 sq mi or 247 acres) and river estuaries.

Geography

Climate

Brennilis has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Brennilis is 10.6 °C (51.1 °F). The average annual rainfall is 1,508.2 mm (59.38 in) with January as the wettest month. The temperatures are highest on average in July, at around 16.7 °C (62.1 °F), and lowest in February, at around 5.3 °C (41.5 °F). The highest temperature ever recorded in Brennilis was 36.9 °C (98.4 °F) on 8 August 2003; the coldest temperature ever recorded was −15.0 °C (5.0 °F) on 12 January 1987.

Climate data for Brennilis (1981–2010 averages, extremes 1977−2020)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high °C (°F)	16.0 (60.8)	21.2 (70.2)	23.0 (73.4)	28.0 (82.4)	31.0 (87.8)	35.0 (95.0)	34.5 (94.1)	36.9 (98.4)	31.0 (87.8)	28.7 (83.7)	20.6 (69.1)	17.0 (62.6)	36.9 (98.4)
Mean daily maximum °C (°F)	8.3 (46.9)	8.6 (47.5)	11.0 (51.8)	13.1 (55.6)	16.5 (61.7)	19.5 (67.1)	21.3 (70.3)	21.3 (70.3)	19.2 (66.6)	15.1 (59.2)	11.3 (52.3)	8.8 (47.8)	14.5 (58.1)
Daily mean °C (°F)	5.4 (41.7)	5.3 (41.5)	7.3 (45.1)	8.8 (47.8)	12.1 (53.8)	14.9 (58.8)	16.7 (62.1)	16.6 (61.9)	14.6 (58.3)	11.5 (52.7)	8.2 (46.8)	5.9 (42.6)	10.6 (51.1)
Mean daily minimum °C (°F)	2.5 (36.5)	2.1 (35.8)	3.6 (38.5)	4.5 (40.1)	7.8 (46.0)	10.2 (50.4)	12.2 (54.0)	12.0 (53.6)	10.1 (50.2)	7.9 (46.2)	5.1 (41.2)	3.0 (37.4)	6.8 (44.2)
Record low °C (°F)	−15.0 (5.0)	−11.0 (12.2)	−6.4 (20.5)	−4.0 (24.8)	−2.0 (28.4)	2.0 (35.6)	5.0 (41.0)	2.0 (35.6)	2.5 (36.5)	−3.0 (26.6)	−5.0 (23.0)	−8.0 (17.6)	−15.0 (5.0)
Average precipitation mm (inches)	191.4 (7.54)	143.0 (5.63)	124.7 (4.91)	108.2 (4.26)	99.9 (3.93)	71.3 (2.81)	79.2 (3.12)	82.1 (3.23)	104.7 (4.12)	156.5 (6.16)	160.5 (6.32)	186.7 (7.35)	1,508.2 (59.38)
Average precipitation days (≥ 1.0 mm)	18.5	14.8	15.4	13.5	12.2	9.7	11.0	10.3	11.4	15.9	17.6	17.9	168.2
Source: Meteociel[3]

Population

Historical population

Year	Pop.	±% p.a.
1968	760	—
1975	654	−2.12%
1982	573	−1.87%
1990	439	−3.28%
1999	467	+0.69%
2009	450	−0.37%
2014	460	+0.44%
2020	439	−0.78%
Source: INSEE[4]

Inhabitants of Brennilis are called Brennilisiens in French.

See also

• Communes of the Finistère department
• Brennilis Nuclear Power Plant
• Parc naturel régional d'Armorique
• Roland Doré sculptor