Chantonnay

For the Chantonnay meteorite of 1812, see meteorite falls.

Chantonnay (French: [ʃɑ̃tɔnɛ]) is a commune in the Vendée department in the Pays de la Loire region in western France.

Chantonnay
Commune
The town hall in Chantonnay
Coat of arms
Location of Chantonnay
Chantonnay Show map of France Chantonnay Show map of Pays de la Loire
Coordinates: 46°41′16″N 1°02′58″W
Country	France
Region	Pays de la Loire
Department	Vendée
Arrondissement	La Roche-sur-Yon
Canton	Chantonnay
Intercommunality	Pays de Chantonnay
Government
• Mayor (2020–2026)	Isabelle Moinet[1]
Area 1	82.91 km2 (32.01 sq mi)
Population  (2022)[2]	8,518
• Density	100/km2 (270/sq mi)
Time zone	UTC+01:00 (CET)
• Summer (DST)	UTC+02:00 (CEST)
INSEE/Postal code	85051 /85110
Elevation	18–112 m (59–367 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 Lay flows southwestward through the commune and forms part of its eastern and southern borders.

Climate

Chantonnay has an oceanic climate (Köppen climate classification Cfb). The average annual temperature in Chantonnay is 12.3 °C (54.1 °F). The average annual rainfall is 876.9 mm (34.52 in) with November as the wettest month. The temperatures are highest on average in July, at around 19.9 °C (67.8 °F), and lowest in January, at around 5.4 °C (41.7 °F). The highest temperature ever recorded in Chantonnay was 41.3 °C (106.3 °F) on 27 June 2019; the coldest temperature ever recorded was −17.0 °C (1.4 °F) on 15 February 1956.

Climate data for Chantonnay (1981−2010 normals, extremes 1951−present)
Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Year
Record high °C (°F)	16.7 (62.1)	24.0 (75.2)	26.8 (80.2)	30.3 (86.5)	35.0 (95.0)	41.3 (106.3)	39.8 (103.6)	41.0 (105.8)	35.2 (95.4)	31.6 (88.9)	22.8 (73.0)	19.0 (66.2)	41.3 (106.3)
Mean daily maximum °C (°F)	8.6 (47.5)	10.0 (50.0)	13.4 (56.1)	15.1 (59.2)	20.1 (68.2)	23.9 (75.0)	26.1 (79.0)	26.1 (79.0)	22.9 (73.2)	17.8 (64.0)	12.2 (54.0)	9.0 (48.2)	17.2 (63.0)
Daily mean °C (°F)	5.4 (41.7)	5.9 (42.6)	8.5 (47.3)	10.7 (51.3)	14.6 (58.3)	18.0 (64.4)	19.9 (67.8)	19.8 (67.6)	16.9 (62.4)	13.3 (55.9)	8.6 (47.5)	5.8 (42.4)	12.3 (54.1)
Mean daily minimum °C (°F)	2.2 (36.0)	1.8 (35.2)	3.7 (38.7)	5.4 (41.7)	9.1 (48.4)	12.0 (53.6)	13.7 (56.7)	13.5 (56.3)	10.8 (51.4)	8.8 (47.8)	4.9 (40.8)	2.6 (36.7)	7.4 (45.3)
Record low °C (°F)	−15.0 (5.0)	−17.0 (1.4)	−11.2 (11.8)	−5.0 (23.0)	−3.0 (26.6)	1.0 (33.8)	3.0 (37.4)	3.0 (37.4)	0.0 (32.0)	−4.4 (24.1)	−8.0 (17.6)	−12.5 (9.5)	−17.0 (1.4)
Average precipitation mm (inches)	97.5 (3.84)	67.4 (2.65)	63.5 (2.50)	67.3 (2.65)	62.6 (2.46)	44.0 (1.73)	49.9 (1.96)	45.2 (1.78)	73.2 (2.88)	106.9 (4.21)	96.3 (3.79)	103.1 (4.06)	876.9 (34.52)
Average precipitation days (≥ 1.0 mm)	13.2	10.4	11.0	10.9	10.4	7.1	7.2	6.7	8.4	12.3	13.1	13.3	123.9
Source: Météo-France[3]

Population

Historical population

Year	Pop.	±% p.a.
1968	6,172	—
1975	6,991	+1.80%
1982	7,235	+0.49%
1990	7,458	+0.38%
1999	7,541	+0.12%
2007	8,040	+0.80%
2012	8,306	+0.65%
2017	8,318	+0.03%
Source: INSEE[4]

See also

• Communes of the Vendée department