Sizun

Sizun (French pronunciation: [sizœ̃]; Breton: Sizun) is a commune in the Finistère department of Brittany in north-western France.

Sizun
Commune
Arc de Triomphe in Sizun
Coat of arms
Location of Sizun
Sizun Show map of France Sizun Show map of Brittany
Coordinates: 48°24′21″N 4°04′34″W
Country	France
Region	Brittany
Department	Finistère
Arrondissement	Morlaix
Canton	Landivisiau
Intercommunality	Pays de Landivisiau
Government
• Mayor (2023–2026)	Catherine Le Roux[1]
Area 1	58.14 km2 (22.45 sq mi)
Population  (2022)[2]	2,334
• Density	40/km2 (100/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	29277 /29450
Elevation	61–382 m (200–1,253 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

Sizun has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Sizun is 10.4 °C (50.7 °F). The average annual rainfall is 1,324.0 mm (52.13 in) with January as the wettest month. The temperatures are highest on average in August, at around 16.3 °C (61.3 °F), and lowest in February, at around 5.4 °C (41.7 °F). The highest temperature ever recorded in Sizun was 37.7 °C (99.9 °F) on 9 August 2003; the coldest temperature ever recorded was −11.3 °C (11.7 °F) on 17 January 1985.

Climate data for Sizun (1981–2010 averages, extremes 1983−present)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high °C (°F)	16.2 (61.2)	21.7 (71.1)	23.7 (74.7)	28.4 (83.1)	29.3 (84.7)	33.8 (92.8)	34.7 (94.5)	37.7 (99.9)	31.2 (88.2)	28.6 (83.5)	21.0 (69.8)	17.2 (63.0)	37.7 (99.9)
Mean daily maximum °C (°F)	8.0 (46.4)	8.2 (46.8)	10.4 (50.7)	12.4 (54.3)	15.8 (60.4)	18.5 (65.3)	20.3 (68.5)	20.6 (69.1)	18.5 (65.3)	14.8 (58.6)	10.6 (51.1)	8.5 (47.3)	13.9 (57.0)
Daily mean °C (°F)	5.5 (41.9)	5.4 (41.7)	7.2 (45.0)	8.6 (47.5)	11.7 (53.1)	14.2 (57.6)	16.1 (61.0)	16.3 (61.3)	14.4 (57.9)	11.5 (52.7)	7.8 (46.0)	5.9 (42.6)	10.4 (50.7)
Mean daily minimum °C (°F)	3.0 (37.4)	2.6 (36.7)	4.0 (39.2)	4.8 (40.6)	7.6 (45.7)	9.9 (49.8)	11.9 (53.4)	11.9 (53.4)	10.2 (50.4)	8.2 (46.8)	5.1 (41.2)	3.2 (37.8)	6.9 (44.4)
Record low °C (°F)	−11.3 (11.7)	−8.0 (17.6)	−4.6 (23.7)	−3.8 (25.2)	−2.0 (28.4)	2.0 (35.6)	2.5 (36.5)	3.4 (38.1)	1.9 (35.4)	−2.0 (28.4)	−5.0 (23.0)	−9.0 (15.8)	−11.3 (11.7)
Average precipitation mm (inches)	162.7 (6.41)	127.1 (5.00)	105.8 (4.17)	101.3 (3.99)	84.0 (3.31)	63.9 (2.52)	71.4 (2.81)	75.9 (2.99)	95.7 (3.77)	132.5 (5.22)	145.4 (5.72)	158.3 (6.23)	1,324 (52.13)
Average precipitation days (≥ 1.0 mm)	18.0	15.0	14.6	14.0	11.7	9.4	11.1	10.8	11.0	15.0	17.4	17.0	164.9
Source: Meteociel[3]

Population

Inhabitants of Sizun are called in French Sizuniens.

Historical population

Year Pop. ±% p.a. 1793 2,888 —     1821 3,156 +0.32% 1846 3,843 +0.79% 1872 3,716 −0.13% 1901 3,685 −0.03% 1926 3,123 −0.66% 1946 2,608 −0.90% 1962 2,201 −1.05%	Year Pop. ±% p.a. 1968 2,025 −1.38% 1975 1,787 −1.77% 1982 1,765 −0.18% 1990 1,728 −0.26% 1999 1,850 +0.76% 2009 2,221 +1.84% 2014 2,253 +0.29% 2020 2,304 +0.37%
Source: EHESS[4] and INSEE (1968-2020)[5]

Breton language

In 2008, 19.74% of primary-school children attended bilingual schools.^[6]

See also

• Communes of the Finistère department
• Parc naturel régional d'Armorique
• Sizun Parish close